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Collins JE, Roemer FW, Guermazi A. Approaches to optimize analyses of multidimensional ordinal MRI data in osteoarthritis research: A perspective. Osteoarthr Cartil Open 2024; 6:100465. [PMID: 38601258 PMCID: PMC11004399 DOI: 10.1016/j.ocarto.2024.100465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/22/2024] [Indexed: 04/12/2024] Open
Abstract
Objective Knee osteoarthritis (OA) is a disease of the whole joint involving multiple tissue types. MRI-based semi-quantitative (SQ) scoring of knee OA is a method to perform multi-tissue joint assessment and has been shown to be a valid and reliable way to measure structural multi-tissue involvement and progression of the disease. While recent work has described how SQ scoring may be used for clinical trial enrichment and disease phenotyping in OA, less guidance is available for how these parameters may be used to assess study outcomes. Design Here we present recommendations for summarizing disease progression within specific tissue types. We illustrate how various methods may be used to quantify longitudinal change using SQ scoring and review examples from the literature. Results Approaches to quantify longitudinal change across subregions include the count of number of subregions, delta-subregion, delta-sum, and maximum grade changes. Careful attention should be paid to features that may fluctuate, such as bone marrow lesions, or with certain interventions, for example pharmacologic interventions with anticipated cartilage anabolic effects. The statistical approach must align with the nature of the outcome. Conclusions SQ scoring presents a way to understand disease progression across the whole joint. As OA is increasingly recognized as a heterogeneous disease with different phenotypes a better understanding of longitudinal progression across tissue types may present an opportunity to match study outcome to patient phenotype or to treatment mechanism of action.
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Affiliation(s)
- Jamie E. Collins
- Orthopaedics and Arthritis Center of Outcomes Research, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, BTM Suite 5016, Boston, MA, 02115, USA
| | - Frank W. Roemer
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, 820 Harrison Avenue, FGH Building, 4th Floor, Boston, MA, 02118, USA
- Department of Radiology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Maximiliansplatz 3, 91054 Erlangen, Germany
| | - Ali Guermazi
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, 820 Harrison Avenue, FGH Building, 4th Floor, Boston, MA, 02118, USA
- Department of Radiology, VA Boston Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA, 02132, USA
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Yu W, Guan WM, Hayashi D, Lin Q, Du MM, Xia WB, Wang YXJ, Guermazi A. Vertebral fracture severity assessment on anteroposterior radiographs with a new semi-quantitative technique. Osteoporos Int 2024; 35:831-839. [PMID: 38296865 DOI: 10.1007/s00198-024-07024-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 01/12/2024] [Indexed: 02/02/2024]
Abstract
We developed a new tool to assess the severity of osteoporotic vertebral fracture using radiographs of the spine. Our technique can be used in patient care by helping to stratify patients with osteoporotic vertebral fractures into appropriate treatment pathways. It can also be used for research purposes. PURPOSE The aim of our study was to propose a semi-quantitative (SQ) grading scheme for osteoporotic vertebral fracture (OVF) on anteroposterior (AP) radiographs. METHODS On AP radiographs, the vertebrae are divided into right and left halves, which are graded (A) vertical rectangle, (B) square, (C) traverse rectangle, and (D) trapezoid; whole vertebrae are graded (E) transverse band or (F) bow-tie. Type A and B were compared with normal and Genant SQ grade 1 OVF, Type C and D with grade 2 OVF, and Type E and F with grade 3 OVF. Spine AP radiographs and lateral radiographs of 50 females were assessed by AP radiographs SQ grading. After training, an experienced board-certified radiologist and a radiology trainee assessed the 50 AP radiographs. RESULTS The height-to-width ratio of the half vertebrae varied 1.32-1.48. On lateral radiographs, 84 vertebrae of the 50 patients had OVFs (38 grade 1, 24 grade 2, and 22 grade 3). On AP radiographs, the radiologist correctly assigned 84.2%, 91.7%, and 77.2% and the trainee correctly assigned 68.4%, 79.2%, and 81.8% of grade 1, 2, and 3 OVFs, respectively. Compared with lateral radiographs, the radiologist had a weighted Kappa of 0.944 including normal vertebrae and 0.883 not including normal vertebrae, while the corresponding Kappa values for the trainee were 0.891 and 0.830, respectively. CONCLUSION We propose a new semi-quantitative grading system for vertebral fracture severity assessment on AP spine radiographs.
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Affiliation(s)
- W Yu
- Department of Radiology, Chinese Academy Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, China.
| | - W-M Guan
- Department of Radiology, Chinese Academy Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, China
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - D Hayashi
- Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA
| | - Q Lin
- Department of Radiology, Chinese Academy Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, China
- Department of Radiology, Beijing Arion Cancer Center, Beijing, China
| | - M-M Du
- Department of Radiology, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Zhejiang Province, Wenzhou, China
| | - W-B Xia
- Department of Endocrinology, Chinese Academy Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, China
| | - Y-X J Wang
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, SAR, China
| | - A Guermazi
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA
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Hart HF, Crossley KM, Patterson BE, Guermazi A, Birmingham TB, Koskoletos C, Michaud A, De Livera A, Culvenor AG. Adiposity and cartilage lesions following ACL reconstruction. Osteoarthritis Cartilage 2024:S1063-4584(24)01153-1. [PMID: 38631554 DOI: 10.1016/j.joca.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/27/2024] [Accepted: 04/09/2024] [Indexed: 04/19/2024]
Abstract
OBJECTIVE To determine if global, central, or peripheral adiposity is associated with prevalent and worsening cartilage lesions following anterior cruciate ligament reconstruction (ACLR). METHODS In 107 individuals one-year post-ACLR, adiposity was assessed globally (body mass index), centrally (waist circumference), and peripherally (knee subcutaneous adipose tissue thickness) from magnetic resonance imaging (MRI). Tibiofemoral and patellofemoral cartilage lesions were assessed from knee MRIs at 1- and 5-years post-ACLR. Poisson regression evaluated the relation of adiposity with prevalent and worsening tibiofemoral and patellofemoral cartilage lesions adjusting for age, sex, and activity level. RESULTS The prevalence ratios of adiposity with tibiofemoral (presence in 49%) and patellofemoral (44%) cartilage lesions ranged from 0.99 to 1.03. Adiposity was more strongly associated with longitudinal changes in tibiofemoral (worsening in 21%) and patellofemoral (44%) cartilage lesions. One-unit increase in global (kg/m2), central (cm), and peripheral (mm) adiposity was associated with a higher risk of worsening tibiofemoral cartilage lesions by 17% (risk ratios [95% CI]: 1.17 [1.09 to 1.23]), 5% (1.05 [1.02 to 1.08]), and 9% (1.09 [1.03 to 1.16]), and patellofemoral cartilage lesions by 5% (1.05 [1.00 to 1.12]) 2% (1.02 [1.00 to 1.04]) and 2% (1.02 [1.00 to 1.04]), respectively. CONCLUSION Greater adiposity was a risk factor for worsening cartilage lesions up to 5 years post-ACLR. Clinical interventions aimed at mitigating excess adiposity may be beneficial in preventive approaches for early post-traumatic osteoarthritis.
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Affiliation(s)
- Harvi F Hart
- School of Physical Therapy, Western University, London, Ontario, Canada; La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia
| | - Kay M Crossley
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia
| | - Brooke E Patterson
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | | | | | | | - Alysha De Livera
- Mathematics and Statistics, School of Computing, Engineering and Mathematical Sciences, La Trobe University, Bundoora, Victoria, Australia
| | - Adam G Culvenor
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia.
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Mohajer B, Moradi K, Guermazi A, Dolatshahi M, Roemer FW, Ibad HA, Parastooei G, Conaghan PG, Zikria BA, Wan M, Cao X, Lima JAC, Demehri S. Statin use and longitudinal changes in quantitative MRI-based biomarkers of thigh muscle quality: data from Osteoarthritis Initiative. Skeletal Radiol 2024; 53:683-695. [PMID: 37840051 DOI: 10.1007/s00256-023-04473-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 10/17/2023]
Abstract
OBJECTIVE To assess whether changes in MRI-based measures of thigh muscle quality associated with statin use in participants with and without/at-risk of knee osteoarthritis. METHODS This retrospective cohort study used data from the Osteoarthritis Initiative study. Statin users and non-users were matched for relevant covariates using 1:1 propensity-score matching. Participants were further stratified according to baseline radiographic knee osteoarthritis status. We used a validated deep-learning method for thigh muscle MRI segmentation and calculation of muscle quality biomarkers at baseline, 2nd, and 4th visits. Mean difference and 95% confidence intervals (CI) in longitudinal 4-year measurements of muscle quality biomarkers, including cross-sectional area, intramuscular adipose tissue, contractile percent, and knee extensors and flexors maximum and specific contractile force (force/muscle area) were the outcomes of interest. RESULTS After matching, 3772 thighs of 1910 participants were included (1886 thighs of statin-users: 1886 of non-users; age: 62 ± 9 years (average ± standard deviation), range: 45-79; female/male: 1). During 4 years, statin use was associated with a slight decrease in muscle quality, indicated by decreased knee extension maximum (mean-difference, 95% CI: - 1.85 N/year, - 3.23 to - 0.47) and specific contractile force (- 0.04 N/cm2/year, - 0.07 to - 0.01), decreased thigh muscle contractile percent (- 0.03%/year, - 0.06 to - 0.01), and increased thigh intramuscular adipose tissue (3.06 mm2/year, 0.53 to 5.59). Stratified analyses showed decreased muscle quality only in participants without/at-risk of knee osteoarthritis but not those with established knee osteoarthritis. CONCLUSIONS Statin use is associated with a slight decrease in MRI-based measures of thigh muscle quality over 4 years. However, considering statins' substantial cardiovascular benefits, these slight muscle changes may be relatively less important in overall patient care.
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Affiliation(s)
- Bahram Mohajer
- Russell H. Morgan Department of Radiology and Radiological Science, Musculoskeletal Radiology, Johns Hopkins University School of Medicine, 601 N Caroline St, JHOC 3142, Baltimore, MD, 21287, USA.
| | - Kamyar Moradi
- Russell H. Morgan Department of Radiology and Radiological Science, Musculoskeletal Radiology, Johns Hopkins University School of Medicine, USA, Baltimore
| | - Ali Guermazi
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, MA, USA
| | - Mahsa Dolatshahi
- Russell H. Morgan Department of Radiology and Radiological Science, Musculoskeletal Radiology, Johns Hopkins University School of Medicine, USA, Baltimore
| | - Frank W Roemer
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Hamza A Ibad
- Russell H. Morgan Department of Radiology and Radiological Science, Musculoskeletal Radiology, Johns Hopkins University School of Medicine, 601 N Caroline St, JHOC 3142, Baltimore, MD, 21287, USA
| | | | - Philip G Conaghan
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds, UK
| | - Bashir A Zikria
- Department of Orthopedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Mei Wan
- Department of Orthopedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Xu Cao
- Department of Orthopedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Joao A C Lima
- Division of Cardiology, Department of Medicine, Johns Hopkins Hospital, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Shadpour Demehri
- Russell H. Morgan Department of Radiology and Radiological Science, Musculoskeletal Radiology, Johns Hopkins University School of Medicine, 601 N Caroline St, JHOC 3142, Baltimore, MD, 21287, USA
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Wáng YXJ, Griffith JF, Blake GM, Diacinti D, Xiao BH, Yu W, Su Y, Jiang Y, Guglielmi G, Guermazi A, Kwok TCY. Correction to: Revision of the 1994 World Health Organization T-score definition of osteoporosis for use in older East Asian women and men to reconcile it with their lifetime risk of fragility fracture. Skeletal Radiol 2024; 53:627-628. [PMID: 37993557 DOI: 10.1007/s00256-023-04519-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Affiliation(s)
- Yi Xiang J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.
| | - James F Griffith
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Glen M Blake
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, London, UK
| | - Daniele Diacinti
- Department of Radiological Sciences, Oncology, and Pathology, Sapienza University of Rome, Rome, Italy
| | - Ben-Heng Xiao
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Wei Yu
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yi Su
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Yebin Jiang
- VA Healthcare System, University of Michigan, Ann Arbor, MI, USA
| | - Giuseppe Guglielmi
- Radiology Unit, Department of Clinical and Experimental Medicine, Foggia University School of Medicine, Foggia, Italy
- Department of Radiology, Scientific Institute "Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Italy
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - Timothy C Y Kwok
- Jockey Club Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
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Wáng YXJ, Griffith JF, Blake GM, Diacinti D, Xiao BH, Yu W, Su Y, Jiang Y, Guglielmi G, Guermazi A, Kwok TCY. Revision of the 1994 World Health Organization T-score definition of osteoporosis for use in older East Asian women and men to reconcile it with their lifetime risk of fragility fracture. Skeletal Radiol 2024; 53:609-625. [PMID: 37889317 DOI: 10.1007/s00256-023-04481-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/09/2023] [Accepted: 10/09/2023] [Indexed: 10/28/2023]
Abstract
The 1994 WHO criterion of a T-score ≤ -2.5 for densitometric osteoporosis was chosen because it results in a prevalence commensurate with the observed lifetime risk of fragility fractures in Caucasian women aged ≥ 50 years. Due to the much lower risk of fragility fracture among East Asians, the application of the conventional WHO criterion to East Asians leads to an over inflated prevalence of osteoporosis, particularly for spine osteoporosis. According to statistical modeling and when a local BMD reference is used, we tentatively recommend the cutpoint values for T-score of femoral neck, total hip, and spine to be approximately -2.7, -2.6, and -3.7 for Hong Kong Chinese women. Using radiographic osteoporotic vertebral fracture as a surrogate clinical endpoint, we empirically demonstrated that a femoral neck T-score of -2.77 for Chinese women was equivalent to -2.60 for Italian women, a spine T-score of -3.75 for Chinese women was equivalent to -2.44 for Italian women, and for Chinese men a femoral neck T-score of -2.77 corresponded to spine T-score of -3.37. For older Chinese men, we tentatively recommend the cutpoint values for T-score of femoral neck, total hip, and spine to be approximately -2.7, -2.6, and -3.2. With the BMD reference published by IKi et al. applied, T-score of femoral neck, total hip, and spine of -2.75, -3.0, and -3.9 for Japanese women will be more in line with the WHO osteoporosis definition. The revised definition of osteoporosis cutpoint T-scores for East Asians will allow a more meaningful international comparison of disease burden.
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Affiliation(s)
- Yi Xiang J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - James F Griffith
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
| | - Glen M Blake
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, London, UK
| | - Daniele Diacinti
- Department of Radiological Sciences, Oncology, and Pathology, Sapienza University of Rome, Rome, Italy
| | - Ben-Heng Xiao
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
| | - Wei Yu
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yi Su
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Yebin Jiang
- VA Healthcare System, University of Michigan, Ann Arbor, MI, USA
| | - Giuseppe Guglielmi
- Radiology Unit, Department of Clinical and Experimental Medicine, Foggia University School of Medicine, Foggia, Italy
- Department of Radiology, Scientific Institute "Casa Sollievo Della Sofferenza" Hospital, San Giovanni Rotondo, Italy
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - Timothy C Y Kwok
- Jockey Club Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
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Roemer FW, Jarraya M, Hayashi D, Crema MD, Haugen IK, Hunter DJ, Guermazi A. A perspective on the evolution of semi-quantitative MRI assessment of osteoarthritis: Past, present and future. Osteoarthritis Cartilage 2024; 32:460-472. [PMID: 38211810 DOI: 10.1016/j.joca.2024.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 12/15/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024]
Abstract
OBJECTIVE This perspective describes the evolution of semi-quantitative (SQ) magnetic resonance imaging (MRI) in characterizing structural tissue pathologies in osteoarthritis (OA) imaging research over the last 30 years. METHODS Authors selected representative articles from a PubMed search to illustrate key steps in SQ MRI development, validation, and application. Topics include main scoring systems, reading techniques, responsiveness, reliability, technical considerations, and potential impact of artificial intelligence (AI). RESULTS Based on original research published between 1993 and 2023, this article introduces available scoring systems, including but not limited to Whole-Organ Magnetic Resonance Imaging Score (WORMS) as the first system for whole-organ assessment of the knee and the now commonly used MRI Osteoarthritis Knee Score (MOAKS) instrument. Specific systems for distinct OA subtypes or applications have been developed as well as MRI scoring instruments for other joints such as the hip, the fingers or thumb base. SQ assessment has proven to be valid, reliable, and responsive, aiding OA investigators in understanding the natural history of the disease and helping to detect response to treatment. AI may aid phenotypic characterization in the future. SQ MRI assessment's role is increasing in eligibility and safety evaluation in knee OA clinical trials. CONCLUSIONS Evidence supports the validity, reliability, and responsiveness of SQ MRI assessment in understanding structural aspects of disease onset and progression. SQ scoring has helped explain associations between structural tissue damage and clinical manifestations, as well as disease progression. While AI may support human readers to more efficiently perform SQ assessment in the future, its current application in clinical trials still requires validation and regulatory approval.
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Affiliation(s)
- Frank W Roemer
- Universitätsklinikum Erlangen & Friedrich Alexander Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany; Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA.
| | - Mohamed Jarraya
- Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Daichi Hayashi
- Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA; Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA
| | - Michel D Crema
- Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA; Institute of Sports Imaging, French National Institute of Sports (INSEP), Paris, France
| | - Ida K Haugen
- Center for Treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, Oslo, Norway
| | - David J Hunter
- Department of Rheumatology, Royal North Shore Hospital and Sydney Musculoskeletal Health, Kolling Institute, University of Sydney, St. Leonards, NSW, Australia
| | - Ali Guermazi
- Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA; Boston VA Healthcare System, West Roxbury, MA, USA
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Wáng YXJ, Blake GM, Xiao BH, Guglielmi G, Su Y, Jiang Y, Guermazi A, Kwok TCY, Griffith JF. East Asians' T-scores for the diagnosis of osteoporosis should be calculated using ethnicity- and gender-specific BMD reference ranges: justifications. Skeletal Radiol 2024; 53:409-417. [PMID: 37566149 DOI: 10.1007/s00256-023-04423-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/02/2023] [Accepted: 08/02/2023] [Indexed: 08/12/2023]
Abstract
The 2013 ISCD consensus recommended a Caucasian female reference database for T-score calculation in men, which says "A uniform Caucasian (non-race adjusted) female reference database should be used to calculate T-scores for men of all ethnic groups." However, this statement was recommended for the US population, and no position was taken with respect to BMD reference data or ethnicity matching outside of the USA. In East Asia, currently, a Japanese BMD reference database is universally adopted in Japan for clinical DXA diagnosis, while both local BMD and Caucasian BMD reference databases are in use in Mainland China, South Korea, Taiwan, and Singapore. In this article, we argue that an ethnicity- and gender-specific BMD database should be used for T-score calculations for East Asians, and we list the justifications why we advocate so. Use of a Caucasian BMD reference database leads to systematically lower T-scores for East Asians and an overestimation of the prevalence of osteoporosis. Using a female BMD reference database to calculate T-scores for male patients leads to higher T-score values and an underestimation of the prevalence of osteoporosis. Epidemiological evidence does not support using a female BMD reference database to calculate T-scores for men. We also note that BMD reference databases collected in Asia should be critically evaluated for their quality.
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Affiliation(s)
- Yi Xiang J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China.
| | - Glen M Blake
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, London, UK
| | - Ben-Heng Xiao
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China
| | - Giuseppe Guglielmi
- Radiology Unit, Department of Clinical and Experimental Medicine, Foggia University School of Medicine, Foggia, Italy
- Department of Radiology, Scientific Institute "Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Italy
| | - Yi Su
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan, China
| | - Yebin Jiang
- VA Healthcare System, University of Michigan, Ann Arbor, MI, USA
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - Timothy C Y Kwok
- Jockey Club Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China
| | - James F Griffith
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China
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Jarraya M, Bitoun O, Wu D, Balza R, Guermazi A, Collins J, Gupta R, Nielsen GP, Guermazi E, Simeone FJ, Omoumi P, Melnic CM, Yee S. Dual energy computed tomography cannot effectively differentiate between calcium pyrophosphate and basic calcium phosphate diseases in the clinical setting. Osteoarthr Cartil Open 2024; 6:100436. [PMID: 38384979 PMCID: PMC10879789 DOI: 10.1016/j.ocarto.2024.100436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
Background Recent reports suggested that dual-energy CT (DECT) may help discriminate between different types of calcium phosphate crystals in vivo, which would have important implications for the characterization of crystal deposition occurring in osteoarthritis. Purpose Our aim was to test the hypothesis that DECT can effectively differentiate basic calcium phosphate (BCP) from calcium pyrophosphate (CPP) deposition diseases. Methods Discarded tissue after total knee replacement specimens in a 71 year-old patient with knee osteoarthritis and chondrocalcinosis was scanned using DECT at standard clinical parameters. Specimens were then examined on light microscopy which revealed CPP deposition in 4 specimens (medial femoral condyle, lateral tibial plateau and both menisci) without BCP deposition. Regions of interest were placed on post-processed CT images using Rho/Z maps (Syngo.via, Siemens Healthineers, VB10B) in different areas of CPP deposition, trabecular bone BCP (T-BCP) and subchondral bone plate BCP (C-BCP). Results Dual Energy Index (DEI) of CPP was 0.12 (SD = 0.02) for reader 1 and 0.09 (SD = 0.03) for reader 2, The effective atomic number (Zeff) of CPP was 10.83 (SD = 0.44) for reader 1 and 10.11 (SD = 0.66) for reader 2. Nearly all DECT parameters of CPP were higher than those of T-BCP, lower than those of C-BCP, and largely overlapping with Aggregate-BCP (aggregate of T-BCP and C-BCP). Conclusion Differentiation of different types of calcium crystals using DECT is not feasible in a clinical setting.
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Affiliation(s)
- Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Olivier Bitoun
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Dufan Wu
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Rene Balza
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ali Guermazi
- VA Boston Healthcare, Boston University School of Medicine, Boston, MA, USA
| | - Jamie Collins
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women's Hospital, USA
| | - Rajiv Gupta
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Gunnlaugur Petur Nielsen
- Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | | | - F. Joseph Simeone
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Patrick Omoumi
- Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - Christopher M. Melnic
- Department of Orthopedics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Seonghwan Yee
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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10
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Messier SP, Callahan LF, Losina E, Mihalko SL, Guermazi A, Ip E, Miller GD, Katz JN, Loeser RF, Pietrosimone BG, Soto S, Cook JL, Newman JJ, DeVita P, Spindler KP, Runhaar J, Armitano-Lago C, Duong V, Selzer F, Hill R, Love M, Beavers DP, Saldana S, Stoker AM, Rice PE, Hunter DJ. The osteoarthritis prevention study (TOPS) - A randomized controlled trial of diet and exercise to prevent Knee Osteoarthritis: Design and rationale. Osteoarthr Cartil Open 2024; 6:100418. [PMID: 38144515 PMCID: PMC10746515 DOI: 10.1016/j.ocarto.2023.100418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/19/2023] [Accepted: 11/13/2023] [Indexed: 12/26/2023] Open
Abstract
Background Osteoarthritis (OA), the leading cause of disability among adults, has no cure and is associated with significant comorbidities. The premise of this randomized clinical trial is that, in a population at risk, a 48-month program of dietary weight loss and exercise will result in less incident structural knee OA compared to control. Methods/design The Osteoarthritis Prevention Study (TOPS) is a Phase III, assessor-blinded, 48-month, parallel 2 arm, multicenter randomized clinical trial designed to reduce the incidence of structural knee OA. The study objective is to assess the effects of a dietary weight loss, exercise, and weight-loss maintenance program in preventing the development of structural knee OA in females at risk for the disease. TOPS will recruit 1230 ambulatory, community dwelling females with obesity (Body Mass Index (BMI) ≥ 30 kg/m2) and aged ≥50 years with no radiographic (Kellgren-Lawrence grade ≤1) and no magnetic resonance imaging (MRI) evidence of OA in the eligible knee, with no or infrequent knee pain. Incident structural knee OA (defined as tibiofemoral and/or patellofemoral OA on MRI) assessed at 48-months from intervention initiation using the MRI Osteoarthritis Knee Score (MOAKS) is the primary outcome. Secondary outcomes include knee pain, 6-min walk distance, health-related quality of life, knee joint loading during gait, inflammatory biomarkers, and self-efficacy. Cost effectiveness and budgetary impact analyses will determine the value and affordability of this intervention. Discussion This study will assess the efficacy and cost effectiveness of a dietary weight loss, exercise, and weight-loss maintenance program designed to reduce incident knee OA. Trial registration ClinicalTrials.gov Identifier: NCT05946044.
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Affiliation(s)
- Stephen P. Messier
- J.B. Snow Biomechanics Laboratory, Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - Leigh F. Callahan
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Elena Losina
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Shannon L. Mihalko
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - Ali Guermazi
- Boston University School of Medicine, Boston, MA, USA
| | - Edward Ip
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Gary D. Miller
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - Jeffrey N. Katz
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Richard F. Loeser
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Brian G. Pietrosimone
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Sandra Soto
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - James L. Cook
- Department of Orthopaedic Surgery, Thompson Laboratory for Regenerative Orthopaedics, Missouri Orthopaedic Institute, University of Missouri School of Medicine, Columbia, MO, USA
| | - Jovita J. Newman
- J.B. Snow Biomechanics Laboratory, Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - Paul DeVita
- Department of Kinesiology, East Carolina University, Greenville, NC, USA
| | - Kurt P. Spindler
- Clinical Research and Outcomes, Cleveland Clinic Florida, Weston, FL, USA
| | - Jos Runhaar
- Erasmus MC University Medical Center Rotterdam, Department of General Practice, Rotterdam, the Netherlands
| | - Cortney Armitano-Lago
- Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Vicky Duong
- Sydney Musculoskeletal Health, Kolling Institute, University of Sydney, Sydney, Australia
| | - Faith Selzer
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Ryan Hill
- J.B. Snow Biomechanics Laboratory, Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - Monica Love
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - Daniel P. Beavers
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Santiago Saldana
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Aaron M. Stoker
- Department of Orthopaedic Surgery, Thompson Laboratory for Regenerative Orthopaedics, Missouri Orthopaedic Institute, University of Missouri School of Medicine, Columbia, MO, USA
| | - Paige E. Rice
- J.B. Snow Biomechanics Laboratory, Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, USA
| | - David J. Hunter
- Sydney Musculoskeletal Health, Kolling Institute, University of Sydney, Sydney, Australia
- Rheumatology Department, Royal North Shore Hospital, Sydney, Australia
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11
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Mohammadi S, Salehi MA, Jahanshahi A, Shahrabi Farahani M, Zakavi SS, Behrouzieh S, Gouravani M, Guermazi A. Artificial intelligence in osteoarthritis detection: A systematic review and meta-analysis. Osteoarthritis Cartilage 2024; 32:241-253. [PMID: 37863421 DOI: 10.1016/j.joca.2023.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/11/2023] [Accepted: 09/27/2023] [Indexed: 10/22/2023]
Abstract
OBJECTIVES As an increasing number of studies apply artificial intelligence (AI) algorithms in osteoarthritis (OA) detection, we performed a systematic review and meta-analysis to pool the data on diagnostic performance metrics of AI, and to compare them with clinicians' performance. MATERIALS AND METHODS A search in PubMed and Scopus was performed to find studies published up to April 2022 that evaluated and/or validated an AI algorithm for the detection or classification of OA. We performed a meta-analysis to pool the data on the metrics of diagnostic performance. Subgroup analysis based on the involved joint and meta-regression based on multiple parameters were performed to find potential sources of heterogeneity. The risk of bias was assessed using Prediction Model Study Risk of Bias Assessment Tool reporting guidelines. RESULTS Of the 61 studies included, 27 studies with 91 contingency tables provided sufficient data to enter the meta-analysis. The pooled sensitivities for AI algorithms and clinicians on internal validation test sets were 88% (95% confidence interval [CI]: 86,91) and 80% (95% CI: 68,88) and pooled specificities were 81% (95% CI: 75,85) and 79% (95% CI: 80,85), respectively. At external validation, the pooled sensitivity and specificity for AI algorithms were 94% (95% CI: 90,97) and 91% (95% CI: 77,97), respectively. CONCLUSION Although the results of this meta-analysis should be interpreted with caution due to the potential pitfalls in the included studies, the promising role of AI as a diagnostic adjunct to radiologists is indisputable.
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Affiliation(s)
- Soheil Mohammadi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | | | - Ali Jahanshahi
- Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran.
| | | | - Seyed Sina Zakavi
- Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Sadra Behrouzieh
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Mahdi Gouravani
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Ali Guermazi
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA.
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12
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Guermazi A. AI is indeed helpful but it should always be monitored! Diagn Interv Imaging 2024; 105:83-84. [PMID: 38458733 DOI: 10.1016/j.diii.2024.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 02/22/2024] [Indexed: 03/10/2024]
Affiliation(s)
- Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA 02118, USA; Department of Radiology, VA Boston Healthcare System, West Roxbury, MA 02132, USA.
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13
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Cheema H, Brophy R, Collins J, Cox CL, Guermazi A, Kumara M, Levy BA, MacFarlane L, Mandl LA, Marx R, Selzer F, Spindler K, Katz JN, Murray EJ. Causal relationships between pain, medical treatments, and knee osteoarthritis: A graphical causal model to guide analyses. Osteoarthritis Cartilage 2024; 32:319-328. [PMID: 37939895 DOI: 10.1016/j.joca.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/15/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
OBJECTIVE Randomized controlled trials (RCTs) are a gold standard for estimating the benefits of clinical interventions, but their decision-making utility can be limited by relatively short follow-up time. Longer-term follow-up of RCT participants is essential to support treatment decisions. However, as time from randomization accrues, loss to follow-up and competing events can introduce biases and require covariate adjustment even for intention-to-treat effects. We describe a process for synthesizing expert knowledge and apply this to long-term follow-up of an RCT of treatments for meniscal tears in patients with knee osteoarthritis (OA). METHODS We identified 2 post-randomization events likely to impact accurate assessment of pain outcomes beyond 5 years in trial participants: loss to follow-up and total knee replacement (TKR). We conducted literature searches for covariates related to pain and TKR in individuals with knee OA and combined these with expert input. We synthesized the evidence into graphical models. RESULTS We identified 94 potential covariates potentially related to pain and/or TKR among individuals with knee OA. Of these, 46 were identified in the literature review and 48 by expert panelists. We determined that adjustment for 50 covariates may be required to estimate the long-term effects of knee OA treatments on pain. CONCLUSION We present a process for combining literature reviews with expert input to synthesize existing knowledge and improve covariate selection. We apply this process to the long-term follow-up of a randomized trial and show that expert input provides additional information not obtainable from literature reviews alone.
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Affiliation(s)
- Haadiya Cheema
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA; Department of Health Sciences, Sargent College, Boston University, Boston, MA, USA
| | - Robert Brophy
- Washington University School of Medicine, St. Louis, MO, USA
| | - Jamie Collins
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Charles L Cox
- Vanderbilt University Medical Center, Nashville, TN, USA
| | - Ali Guermazi
- VA Boston Healthcare System, Boston, MA, USA; Boston University School of Medicine, Boston, MA, USA
| | - Mahima Kumara
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham Women's Hospital, Boston, MA, USA
| | | | - Lindsey MacFarlane
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Lisa A Mandl
- Division of Rheumatology and Department of Medicine, Hospital for Special Surgery and Weill Cornell Medicine, New York, NY, USA
| | - Robert Marx
- Department of Orthopedic Surgery, Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, USA
| | - Faith Selzer
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | | | - Jeffrey N Katz
- Orthopedic and Arthritis Center for Outcomes Research, Department of Orthopedic Surgery, Brigham Women's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Eleanor J Murray
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA.
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14
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Wáng YXJ, Blake GM, Tang SN, Guermazi A, Griffith JF. Quantitative CT lumbar spine BMD cutpoint value for classifying osteoporosis among older East Asian women should be lower than the value for Caucasians. Skeletal Radiol 2024:10.1007/s00256-024-04632-4. [PMID: 38411702 DOI: 10.1007/s00256-024-04632-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
For Caucasian women, the QCT (quantitative CT) lumbar spine (LS) bone mineral density (BMD) cutpoint value for classifying osteoporosis is 80 mg/ml. At the age of approximate 78 years, US Caucasian women QCT LS BMD population mean is 80 mg/ml, while that of Chinese women and Japanese women is around 50 mg/ml. Correlation analyses show, for Chinese women and Japanese women, QCT LS BMD of 45 mg/ml corresponds to the dual-energy X-ray absorptiometry cutpoint value for classifying osteoporosis. For Chinese and Japanese women, if QCT LS BMD 80 mg/ml is used as the threshold to classify osteoporosis, then the specificity of classifying subjects with vertebral fragility fracture into the osteoporotic group is low, whereas threshold of 45 mg/ml approximately achieve a similar separation for women with and without vertebral fragility fracture as the reports for Caucasian women. Moreover, by using 80mg/ml as the cutpoint value, LS QCT leads to excessively high prevalence of osteoporosis for Chinese women, with the discordance between hip dual-energy X-ray absorptiometry and LS QCT measures far exceeding expectation. Considering the different bone properties and the much lower prevalence of fragility fractures in the East Asian women compared with Caucasians, we argue that the QCT cutpoint value for classifying osteoporosis among older East Asian women will be close to and no more than 50 mg/ml LS BMD. We suggest that it is also imperative the QCT osteoporosis classification criterion for East Asian male LS, and male and female hips be re-examined.
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Affiliation(s)
- Yì Xiáng J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.
| | - Glen M Blake
- School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, London, UK
| | - Sheng-Nan Tang
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - James F Griffith
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
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15
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Liew JW, Jarraya M, Guermazi A, Lynch J, Felson D, Nevitt M, Lewis CE, Torner J, Roemer FW, Crema MD, Wang N, Becce F, Rabasa G, Pascart T, Neogi T. Intra-Articular Mineralization on Computerized Tomography of the Knee and Risk of Cartilage Damage: The Multicenter Osteoarthritis Study. Arthritis Rheumatol 2024. [PMID: 38369918 DOI: 10.1002/art.42832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/07/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
OBJECTIVE Intra-articular (IA) mineralization may contribute to osteoarthritis (OA) structural progression. We studied the association of IA mineralization on knee computed tomography (CT) with cartilage damage worsening on knee magnetic resonance imaging (MRI), with a focus on location- and tissue-specific effects. METHODS Participants from the Multicenter Osteoarthritis Study with knee CT and MRI scans were included. Presence of IA mineralization on CT was defined as a Boston University Calcium Knee Score >0 anywhere in the knee. Cartilage worsening on MRI was defined as any increase in the MRI OA Knee Score, including incident damage. We evaluated the association of whole-knee, compartment-specific (ie, medial or lateral), and subregion-specific (ie, location-matched) IA mineralization at baseline with cartilage worsening at two years' follow-up in the corresponding locations using binomial regression with generalized estimating equations, adjusting for age, sex, and body mass index (BMI). RESULTS We included 1,673 participants (mean age 60 years, 56% female, mean BMI 29). Nine percent had any IA mineralization in the knee, and 47.4% had any cartilage worsening on follow-up. Mineralization of any tissue in the knee, regardless of location, was not associated with MRI cartilage worsening. However, cartilage mineralization was associated with 1.39 (95% confidence interval 1.04-1.88) times higher risk of cartilage worsening in the same compartment, with similar results in subregion-specific analysis. CONCLUSION CT-detected IA mineralization in the cartilage was associated with higher risk of MRI cartilage worsening in the same compartment and subregion over two years. These findings suggest potential localized, tissue-specific effects of IA mineralization on cartilage pathology in knee OA.
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Affiliation(s)
| | - Mohammed Jarraya
- Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | | | | | | | | | | | | | - Frank W Roemer
- Universitätsklinikum Erlangen & Friedrich-Alexander Universität Erlangen Nürnberg, Erlangen, Germany, and Boston University, Boston, Massachusetts
| | - Michel D Crema
- Institut d'Imagerie du Sport, Institut National du Sport, de l'Expertise et de la Performance, Paris, France
| | - Na Wang
- Boston University, Boston, Massachusetts
| | - Fabio Becce
- Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | | | - Tristan Pascart
- Lille Catholic Hospitals and University of Lille, Lomme, France
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16
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Roemer FW, Wirth W, Demehri S, Kijowski R, Jarraya M, Hayashi D, Eckstein F, Guermazi A. Imaging Biomarkers of Osteoarthritis. Semin Musculoskelet Radiol 2024; 28:14-25. [PMID: 38330967 DOI: 10.1055/s-0043-1776432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Currently no disease-modifying osteoarthritis drug has been approved for the treatment of osteoarthritis (OA) that can reverse, hold, or slow the progression of structural damage of OA-affected joints. The reasons for failure are manifold and include the heterogeneity of structural disease of the OA joint at trial inclusion, and the sensitivity of biomarkers used to measure a potential treatment effect.This article discusses the role and potential of different imaging biomarkers in OA research. We review the current role of radiography, as well as advances in quantitative three-dimensional morphological cartilage assessment and semiquantitative whole-organ assessment of OA. Although magnetic resonance imaging has evolved as the leading imaging method in OA research, recent developments in computed tomography are also discussed briefly. Finally, we address the experience from the Foundation for the National Institutes of Health Biomarker Consortium biomarker qualification study and the future role of artificial intelligence.
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Affiliation(s)
- Frank W Roemer
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, Massachusetts
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich Alexander Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Wolfgang Wirth
- Center of Anatomy, and Ludwig Boltzmann Institute for Arthritis and Rehabilitation (LBIAR), Paracelsus Medical University, Salzburg, Austria
- Chondrometrics, GmbH, Freilassing, Germany
| | - Shadpour Demehri
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Richard Kijowski
- Department of Radiology, New York University Grossmann School of Medicine, New York, New York
| | - Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Daichi Hayashi
- Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts
- Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts
| | - Felix Eckstein
- Center of Anatomy, and Ludwig Boltzmann Institute for Arthritis and Rehabilitation (LBIAR), Paracelsus Medical University, Salzburg, Austria
- Chondrometrics, GmbH, Freilassing, Germany
| | - Ali Guermazi
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, Massachusetts
- Department of Radiology, Boston VA Healthcare System, West Roxbury, Massachusetts
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17
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Wáng YXJ, Guglielmi G, Guermazi A, Kwok TCY, Griffith JF. Much lower prevalence and severity of spine degenerative changes among older Chinese women than among older Caucasian women and its implication for the interpretation of lumbar spine BMD T-score for Chinese women. Skeletal Radiol 2024; 53:247-251. [PMID: 37552249 DOI: 10.1007/s00256-023-04419-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/09/2023]
Abstract
The prevalence and severity of spine degenerative changes have been noted to be lower among older Chinese women than among older Caucasian women. Spine degenerative changes associated with marginal osteophytosis, trabecular thickening, subchondral sclerosis, facet joint arthrosis, and disc space narrowing can all lead to artificially higher spine areal bone mineral density (BMD). The lower prevalence and severity of spine degeneration have important implications for the interpretation of spine areal BMD reading for Chinese women. With fewer contributions from spine degenerative changes, following natural aging, the declines of population group means of spine BMD and T-score are faster for Chinese women than for Caucasian women. While a cutpoint T-score ≤ -2.5 for defining spine densitometric osteoporosis is recommended for Caucasian women, for Chinese women the same cutpoint T-score of ≤ -2.5 inflates the estimated osteoporosis prevalence based on spine BMD measure. In addition to the use of an ethnicity-specific BMD reference database, a stricter cutpoint T-score for defining spine densitometric osteoporosis among older Chinese women should be applied.
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Affiliation(s)
- Yi Xiang J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
| | - Giuseppe Guglielmi
- Radiology Unit, Department of Clinical and Experimental Medicine, Foggia University School of Medicine, Foggia, Italy
- Department of Radiology, Scientific Institute "Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Italy
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - Timothy C Y Kwok
- Jockey Club Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - James F Griffith
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
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18
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Moradi K, Kwee RM, Mohajer B, Guermazi A, Roemer FW, Ibad HA, Haugen IK, Berenbaum F, Demehri S. Erosive hand osteoarthritis and sarcopenia: data from Osteoarthritis Initiative cohort. Ann Rheum Dis 2024:ard-2023-224997. [PMID: 38242637 DOI: 10.1136/ard-2023-224997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 01/04/2024] [Indexed: 01/21/2024]
Abstract
OBJECTIVES There is no evidence linking specific osteoarthritis (OA) types, such as erosive hand OA (EHOA), with distant generalised changes in muscle composition (sarcopenia), which can potentially be modified. This study pioneers the exploration of the association between EHOA and sarcopenia, both of which are predominantly observed in the older adults. METHODS Using the Osteoarthritis Initiative cohort, we selected hand OA (modified Kellgren and Lawrence (grade ≥2 in ≥1 hand joint) participants with radiographic central erosions in ≥1 joints (EHOA group) and propensity score-matched hand OA participants with no erosion (non-EHOA group). MRI biomarkers of thigh muscles were measured at baseline, year 2 and year 4 using a validated deep-learning algorithm. To adjust for 'local' effects of coexisting knee OA (KOA), participants were further stratified according to presence of radiographic KOA. The outcomes were the differences between EHOA and non-EHOA groups in the 4-year rate of change for both intramuscular adipose tissue (intra-MAT) deposition and contractile (non-fat) area of thigh muscles. RESULTS After adjusting for potential confounders, 844 thighs were included (211 EHOA:633 non-EHOA; 67.1±7.5 years, female/male:2.9). Multilevel mixed-effect regression models showed that EHOA is associated a different 4-year rate of change in intra-MAT deposition (estimate, 95% CI: 71.5 mm2/4 years, 27.9 to 115.1) and contractile area (estimate, 95% CI: -1.8%/4 years, -2.6 to -1.0) of the Quadriceps. Stratified analyses showed that EHOA presence is associated with adverse changes in thigh muscle quality only in participants without KOA. CONCLUSIONS EHOA is associated with longitudinal worsening of thigh muscle composition only in participants without concomitant KOA. Further research is needed to understand the systemic factors linking EHOA and sarcopenia, which unlike EHOA is modifiable through specific interventions.
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Affiliation(s)
- Kamyar Moradi
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Robert M Kwee
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Radiology, Zuyderland Medical Center, Heerlen/Sittard/Geleen, The Netherlands
| | - Bahram Mohajer
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Ali Guermazi
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, Massachusetts, USA
| | - Frank W Roemer
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, Massachusetts, USA
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Hamza Ahmed Ibad
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Ida K Haugen
- Center for Treatment of Rheumatic and Musculoskeletal Diseases, Diakonhjemmet Hospital, Oslo, Norway
| | - Francis Berenbaum
- Department of Rheumatology, Sorbonne University, INSERM CRSA, Saint-Antoine Hospital APHP, Paris, France
| | - Shadpour Demehri
- Russell H. Morgan Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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19
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Yu SP, Deveza LA, Kraus VB, Karsdal M, Bay-Jensen AC, Collins JE, Guermazi A, Roemer FW, Ladel C, Bhagavath V, Hunter DJ. Association of biochemical markers with bone marrow lesion changes on imaging-data from the Foundation for the National Institutes of Health Osteoarthritis Biomarkers Consortium. Arthritis Res Ther 2024; 26:30. [PMID: 38238803 PMCID: PMC10795356 DOI: 10.1186/s13075-023-03253-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 12/27/2023] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND To assess the prognostic value of short-term change in biochemical markers as it relates to bone marrow lesions (BMLs) on MRI in knee osteoarthritis (OA) over 24 months and, furthermore, to assess the relationship between biochemical markers involved with tissue turnover and inflammation and BMLs on MRI. METHODS Data from the Foundation for the National Institutes of Health OA Biomarkers Consortium within the Osteoarthritis Initiative (n = 600) was analyzed. BMLs were measured according to the MRI Osteoarthritis Knee Score (MOAKS) system (0-3), in 15 knee subregions. Serum and urinary biochemical markers assessed were as follows: serum C-terminal crosslinked telopeptide of type I collagen (CTX-I), serum crosslinked N-telopeptide of type I collagen (NTX-I), urinary CTX-Iα and CTX-Iβ, urinary NTX-I, urinary C-terminal cross-linked telopeptide of type II collagen (CTX-II), serum matrix metalloproteinase (MMP)-degraded type I, II, and III collagen (C1M, C2M, C3M), serum high sensitivity propeptide of type IIb collagen (hsPRO-C2), and matrix metalloproteinase-generated neoepitope of C-reactive protein (CRPM). The association between change in biochemical markers over 12 months and BMLs over 24 months was examined using regression models adjusted for covariates. The relationship between C1M, C2M, C3M, hsPRO-C2, and CRPM and BMLs at baseline and over 24 months was examined. RESULTS Increases in serum CTX-I and urinary CTX-Iβ over 12 months were associated with increased odds of changes in the number of subregions affected by any BML at 24 months. Increase in hsPRO-C2 was associated with decreased odds of worsening in the number of subregions affected by any BML over 24 months. C1M and C3M were associated with BMLs affected at baseline. CONCLUSIONS Short-term changes in serum CTX-I, hsPRO-C2, and urinary CTX-Iβ hold the potential to be prognostic of BML progression on MRI. The association of C1M and C3M with baseline BMLs on MRI warrants further investigation.
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Affiliation(s)
- Shirley P Yu
- Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards, Sydney, NSW, 2065, Australia.
- Sydney Musculoskeletal Health, The Kolling Institute, School of Medicine, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.
| | - Leticia A Deveza
- Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards, Sydney, NSW, 2065, Australia
- Sydney Musculoskeletal Health, The Kolling Institute, School of Medicine, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Virginia B Kraus
- Department of Medicine, Duke University School of Medicine, Durham, NC, USA
| | | | | | - Jamie E Collins
- Orthopaedic and Arthritis Centre for Outcomes Research, Brigham and Women's Hospital, Boston, MA, USA
| | - Ali Guermazi
- Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA
| | - Frank W Roemer
- Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | | | - Venkatesha Bhagavath
- Sydney Musculoskeletal Health, The Kolling Institute, School of Medicine, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Northern Sydney Local Health District, Royal North Shore Hospital, St Leonards, Sydney, NSW, Australia
| | - David J Hunter
- Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards, Sydney, NSW, 2065, Australia
- Sydney Musculoskeletal Health, The Kolling Institute, School of Medicine, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
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20
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Guermazi A, Omoumi P, Tordjman M, Fritz J, Kijowski R, Regnard NE, Carrino J, Kahn CE, Knoll F, Rueckert D, Roemer FW, Hayash D. Erratum for: How AI May Transform Musculoskeletal Imaging. Radiology 2024; 310:e249002. [PMID: 38289220 PMCID: PMC10831476 DOI: 10.1148/radiol.249002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2024]
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21
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Jarraya M, Guermazi A, Roemer FW. Osteoarthritis year in review 2023: Imaging. Osteoarthritis Cartilage 2024; 32:18-27. [PMID: 37879600 DOI: 10.1016/j.joca.2023.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/24/2023] [Accepted: 10/17/2023] [Indexed: 10/27/2023]
Abstract
PURPOSE This narrative review summarizes the original research in the field of in vivo osteoarthritis (OA) imaging between 1 January 2022 and 1 April 2023. METHODS A PubMed search was conducted using the following several terms pertaining to OA imaging, including but not limited to "Osteoarthritis / OA", "Magnetic resonance imaging / MRI", "X-ray" "Computed tomography / CT", "artificial intelligence /AI", "deep learning", "machine learning". This review is organized by topics including the anatomical structure of interest and modality, AI, challenges of OA imaging in the context of clinical trials, and imaging biomarkers in clinical trials and interventional studies. Ex vivo and animal studies were excluded from this review. RESULTS Two hundred and forty-nine publications were relevant to in vivo human OA imaging. Among the articles included, the knee joint (61%) and MRI (42%) were the predominant anatomical area and imaging modalities studied. Marked heterogeneity of structural tissue damage in OA knees was reported, a finding of potential relevance to clinical trial inclusion. The use of AI continues to rise rapidly to be applied in various aspect of OA imaging research but a lack of generalizability beyond highly standardized datasets limit interpretation and wide-spread application. No pharmacologic clinical trials using imaging data as outcome measures have been published in the period of interest. CONCLUSIONS Recent advances in OA imaging continue to heavily weigh on the use of AI. MRI remains the most important modality with a growing role in outcome prediction and classification.
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Affiliation(s)
- Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
| | - Ali Guermazi
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA.
| | - Frank W Roemer
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA; Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany.
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22
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Lanois CJ, Collins N, Neogi T, Guermazi A, Roemer FW, LaValley M, Nevitt M, Torner J, Lewis CE, Stefanik JJ. Associations between anterior knee pain and 2-year patellofemoral cartilage worsening: The MOST study. Osteoarthritis Cartilage 2024; 32:93-97. [PMID: 37783341 PMCID: PMC10842622 DOI: 10.1016/j.joca.2023.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/24/2023] [Accepted: 09/17/2023] [Indexed: 10/04/2023]
Abstract
OBJECTIVE Anterior knee pain (AKP) is associated with patellofemoral osteoarthritis (PFOA), but longitudinal studies are lacking. If AKP precedes PFOA, it may create an opportunity to identify and intervene earlier in the disease process. The purpose of this study was to examine the longitudinal relation of AKP to worsening patellofemoral (PF) cartilage over two years. DESIGN Participants were recruited from the Multicenter Osteoarthritis Study, a longitudinal study of individuals with or at risk for knee osteoarthritis (OA). Exclusion criteria included bilateral knee replacements, arthritis other than OA, and radiographic PFOA. At baseline, participants completed a knee pain map questionnaire and underwent knee magnetic resonance imaging (MRI). Imaging was repeated at 2-year follow-up. Exposure was presence of frequent AKP. Outcome was worsening cartilage damage in the PF joint defined as increase in MRI Osteoarthritis Knee Score from baseline to 2 years. Log-binomial models were used to calculate risk ratios (RR). RESULTS One knee from 1083 participants (age 56.7 ± 6.6 years; body mass index 28.0 ± 4.9 kg/m2) was included. Frequent AKP and frequent isolated AKP were present at baseline in 14.5% and 3.6%, respectively. Frequent AKP was associated with an increased risk (RR: 1.78, 95% confidence interval: 1.21, 2.62) of 2-year worsening cartilage damage in the lateral PF compartment. No association was found between frequent AKP and worsening in the medial PF joint. CONCLUSION Frequent AKP at baseline was associated with worsening cartilage damage in the lateral PF joint over 2 years.
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Affiliation(s)
- C J Lanois
- Northeastern University, Boston, MA, United States
| | - N Collins
- The University of Queensland, Brisbane, Australia
| | - T Neogi
- Boston University, Chobanian & Avedisian School of Medicine, Boston, MA, United States
| | - A Guermazi
- Boston University, Chobanian & Avedisian School of Medicine, Boston, MA, United States
| | - F W Roemer
- Friedrich-Alexander University Erlangen-Nurnber, Erlangen, Germany
| | - M LaValley
- Boston University, School of Public Health, Boston, MA, United States
| | - M Nevitt
- University of California San Francisco, San Francisco, CA, United States
| | - J Torner
- University of Iowa, Iowa City, IA, United States
| | - C E Lewis
- University of Alabama at Birmingham, Birmingham, AL, United States
| | - J J Stefanik
- Northeastern University, Boston, MA, United States.
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23
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Guermazi A, Omoumi P, Tordjman M, Fritz J, Kijowski R, Regnard NE, Carrino J, Kahn CE, Knoll F, Rueckert D, Roemer FW, Hayashi D. How AI May Transform Musculoskeletal Imaging. Radiology 2024; 310:e230764. [PMID: 38165245 PMCID: PMC10831478 DOI: 10.1148/radiol.230764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 06/18/2023] [Accepted: 07/11/2023] [Indexed: 01/03/2024]
Abstract
While musculoskeletal imaging volumes are increasing, there is a relative shortage of subspecialized musculoskeletal radiologists to interpret the studies. Will artificial intelligence (AI) be the solution? For AI to be the solution, the wide implementation of AI-supported data acquisition methods in clinical practice requires establishing trusted and reliable results. This implementation will demand close collaboration between core AI researchers and clinical radiologists. Upon successful clinical implementation, a wide variety of AI-based tools can improve the musculoskeletal radiologist's workflow by triaging imaging examinations, helping with image interpretation, and decreasing the reporting time. Additional AI applications may also be helpful for business, education, and research purposes if successfully integrated into the daily practice of musculoskeletal radiology. The question is not whether AI will replace radiologists, but rather how musculoskeletal radiologists can take advantage of AI to enhance their expert capabilities.
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Affiliation(s)
- Ali Guermazi
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Patrick Omoumi
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Mickael Tordjman
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Jan Fritz
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Richard Kijowski
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Nor-Eddine Regnard
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - John Carrino
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Charles E. Kahn
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Florian Knoll
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Daniel Rueckert
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Frank W. Roemer
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
| | - Daichi Hayashi
- From the Department of Radiology, Boston University School of
Medicine, Boston, Mass (A.G., F.W.R., D.H.); Department of Radiology, VA Boston
Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.);
Department of Radiology, Lausanne University Hospital and University of
Lausanne, Lausanne, Switzerland (P.O.); Department of Radiology, Hotel Dieu
Hospital and University Paris Cité, Paris, France (M.T.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.,
R.K.); Gleamer, Paris, France (N.E.R.); Réseau d’Imagerie Sud
Francilien, Clinique du Mousseau Ramsay Santé, Evry, France (N.E.R.);
Pôle Médical Sénart, Lieusaint, France (N.E.R.); Department
of Radiology and Imaging, Hospital for Special Surgery and Weill Cornell
Medicine, New York, NY (J.C.); Department of Radiology and Institute for
Biomedical Informatics, University of Pennsylvania, Philadelphia, Penn (C.E.K.);
Departments of Artificial Intelligence in Biomedical Engineering (F.K.) and
Radiology (F.W.R.), Universitätsklinikum Erlangen &
Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen,
Germany (F.K.); School of Medicine & Computation, Information and
Technology Klinikum rechts der Isar, Technical University Munich,
München, Germany (D.R.); Department of Computing, Imperial College
London, London, England (D.R.); and Department of Radiology, Tufts Medical
Center, Tufts University School of Medicine, Boston, Mass (D.H.)
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Kompel A, Guermazi A. Imaging of MSK infections in the ER. Skeletal Radiol 2023:10.1007/s00256-023-04554-7. [PMID: 38147081 DOI: 10.1007/s00256-023-04554-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 12/10/2023] [Accepted: 12/17/2023] [Indexed: 12/27/2023]
Abstract
Musculoskeletal infections in the ER are not an uncommon presentation. The clinical context is critical in determining the suspicion for infection and degree of tissue involvement which can involve all layers from the skin to bones. The location, extent, and severity of clinically suspected infection directly relate to the type of imaging performed. Uncomplicated cellulitis typically does not require any imaging. Localized and superficial infections can mostly be evaluated with ultrasound. If there is a diffuse site (an entire extremity) or suspected deeper involvement (muscle/deep fascia), then CT is accurate in diagnosing, widely available, and performed quickly. With potential osseous involvement, MRI is the gold standard for diagnosing acute osteomyelitis; however, it has the drawbacks of longer scan times, artifacts including patient motion, and limited availability.
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Affiliation(s)
- Andrew Kompel
- Boston University School of Medicine, Boston, MA, USA.
| | - Ali Guermazi
- Boston University School of Medicine, Boston, MA, USA
- Boston VA Healthcare System, West Roxbury, MA, USA
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25
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Rosenthal DI, Link TM, Palmer WE, Guermazi A. Obituary for Professor Murali Sundaram, MD, MBBS, SFCR, FACR. Skeletal Radiol 2023; 52:2525-2526. [PMID: 37749414 DOI: 10.1007/s00256-023-04436-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Affiliation(s)
- Daniel I Rosenthal
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
| | - Thomas M Link
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
| | - William E Palmer
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ali Guermazi
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA
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26
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Carrino JA, McAlindon TE, Schnitzer TJ, Guermazi A, Hochberg MC, Conaghan PG, Brown MT, Burr A, Fountaine RJ, Pixton GC, Viktrup L, Verburg KM, West CR. Characterization of adverse joint outcomes in patients with osteoarthritis treated with subcutaneous tanezumab. Osteoarthritis Cartilage 2023; 31:1612-1626. [PMID: 37652258 DOI: 10.1016/j.joca.2023.08.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/16/2023] [Accepted: 08/25/2023] [Indexed: 09/02/2023]
Abstract
OBJECTIVE Due to the risk of rapidly progressive osteoarthritis (RPOA), the phase III studies of subcutaneous (SC) tanezumab in patients with moderate to severe hip or knee osteoarthritis (OA) included comprehensive joint safety surveillance. This pooled analysis summarizes these findings. METHOD Joint safety events in the phase III studies of SC tanezumab (2 placebo- and 1- nonsteroidal anti-inflammatory drug [NSAID]-controlled) were adjudicated by a blinded external committee. Outcomes of RPOA1 and RPOA2, primary osteonecrosis, subchondral insufficiency fracture, and pathological fracture comprised the composite joint safety endpoint (CJSE). Potential patient- and joint-level risk factors for CJSE, RPOA, and total joint replacement (TJR) were explored. RESULTS Overall, 145/4541 patients (3.2%) had an adjudicated CJSE (0% placebo; 3.2% tanezumab 2.5 mg; 6.2% tanezumab 5 mg; 1.5% NSAID). There was a dose-dependent risk of adjudicated CJSE, RPOA1, and TJR with tanezumab vs NSAID. Patient-level cross-tabulation found associations between adjudicated RPOA with more severe radiographic/symptomatic (joint pain, swelling, and physical limitation) OA. Risk of adjudicated RPOA1 was highest in patients with Kellgren-Lawrence (KL) grade 2 or 3 OA at baseline. Risk of adjudicated RPOA2 or TJR was highest in patients with KL grade 4 joints at baseline. A higher proportion of joints with adjudicated RPOA2 had a TJR (14/26) than those with adjudicated RPOA1 (16/106). CONCLUSION In placebo- and NSAID controlled studies of SC tanezumab for OA, adjudicated CJSE, RPOA, and TJR most commonly occurred in patients treated with tanezumab and with more severe radiographic or symptomatic OA. NCT02697773; NCT02709486; NCT02528188.
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Affiliation(s)
| | | | - Tom J Schnitzer
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
| | - Ali Guermazi
- Boston University School of Medicine, Boston, MA, USA; Veteran Affairs Boston Healthcare System, Boston, MA, USA.
| | - Marc C Hochberg
- University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Philip G Conaghan
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds, UK.
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27
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Liew JW, Jarraya M, Guermazi A, Lynch J, Wang N, Rabasa G, Jafarzadeh SR, Nevitt M, Torner J, Lewis CE, Felson DT, Neogi T. Relation of Intra-Articular Mineralization to Knee Pain in Knee Osteoarthritis: A Longitudinal Analysis in the MOST Study. Arthritis Rheumatol 2023; 75:2161-2168. [PMID: 37410792 PMCID: PMC10770289 DOI: 10.1002/art.42649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/12/2023] [Accepted: 07/03/2023] [Indexed: 07/08/2023]
Abstract
OBJECTIVE Intra-articular (IA) calcium crystal deposition is common in knee osteoarthritis (OA), but of unclear significance. It is possible that low-grade, crystal-related inflammation may contribute to knee pain. We examined the longitudinal relation of computed tomography (CT)-detected IA mineralization to the development of knee pain. METHODS We used data from the National Institutes of Health-funded longitudinal Multicenter Osteoarthritis Study. Participants had knee radiographs and bilateral knee CTs at baseline, and pain assessments every 8 months for 2 years. CT images were scored using the Boston University Calcium Knee Score. We longitudinally examined the relation of CT-detected IA mineralization to the risk of frequent knee pain (FKP), intermittent or constant knee pain worsening, and pain severity worsening using generalized linear mixed-effects models. RESULTS We included 2,093 participants (mean age 61 years, 57% women, mean body mass index 28.8 kg/m2 ). Overall, 10.2% of knees had IA mineralization. The presence of any IA mineralization in the cartilage was associated with 2.0 times higher odds of having FKP (95% confidence interval [CI] 1.38-2.78) and 1.86 times more frequent intermittent or constant pain (95% CI 1.20-2.78), with similar results seen for the presence of any IA mineralization in the meniscus or joint capsule. A higher burden of IA mineralization anywhere within the knee was associated with a higher odds of all pain outcomes (odds ratio ranged from 2.14 to 2.21). CONCLUSION CT-detected IA mineralization was associated with risk of having more frequent, persistent, and worsening knee pain over 2 years. Targeting IA mineralization may have therapeutic potential for pain improvement in knee OA.
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Affiliation(s)
- Jean W. Liew
- Section of Rheumatology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA
| | - Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Ali Guermazi
- Radiology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA
| | - John Lynch
- University of California San Francisco, San Francisco, CA
| | - Na Wang
- School of Public Health, Boston University, Boston, MA
| | | | - S. Reza Jafarzadeh
- Section of Rheumatology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA
| | - Michael Nevitt
- University of California San Francisco, San Francisco, CA
| | | | - Cora E. Lewis
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL
| | - David T. Felson
- Section of Rheumatology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA
| | - Tuhina Neogi
- Section of Rheumatology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA
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Heiss R, Tol JL, Pogarell T, Roemer FW, Reurink G, Renoux J, Crema MD, Guermazi A. Imaging of muscle injuries in soccer. Skeletal Radiol 2023:10.1007/s00256-023-04514-1. [PMID: 37991553 DOI: 10.1007/s00256-023-04514-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/24/2023] [Accepted: 11/07/2023] [Indexed: 11/23/2023]
Abstract
Accurate diagnosis of muscle injuries is a challenge in everyday clinical practice and may have profound impact on the recovery and return-to-play decisions of professional athletes particularly in soccer. Imaging techniques such as ultrasound and magnetic resonance imaging (MRI), in addition to the medical history and clinical examination, make a significant contribution to the timely structural assessment of muscle injuries. The severity of a muscle injury determined by imaging findings has a decisive influence on therapy planning and affects prognosis. Imaging is of high importance when the diagnosis or grade of injury is unclear, when recovery is taking longer than expected, and when interventional or surgical management may be needed. This narrative review will discuss ultrasound and MRI for the assessment of sports-related muscle injuries in the context of soccer, including advanced imaging techniques, with the focus on the clinical relevance of imaging findings for the prediction of return to play.
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Affiliation(s)
- Rafael Heiss
- Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Johannes L Tol
- Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
- Department of Orthopedic Surgery and Sports Medicine, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands
- Musculoskeletal Health and Sports, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Tobias Pogarell
- Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Frank W Roemer
- Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
- Quantitative Imaging Center, Boston University School of Medicine, Boston, MA, USA
| | - Guus Reurink
- Musculoskeletal Health and Sports, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Jerome Renoux
- Institute of Sports Imaging, Sports Medicine Department, French National Institute of Sports (INSEP), Paris, France
| | - Michel D Crema
- Quantitative Imaging Center, Boston University School of Medicine, Boston, MA, USA
- Institute of Sports Imaging, Sports Medicine Department, French National Institute of Sports (INSEP), Paris, France
| | - Ali Guermazi
- Quantitative Imaging Center, Boston University School of Medicine, Boston, MA, USA.
- VA Boston Healthcare System, West Roxbury, MA, USA.
- Department of Radiology, VA Boston Healthcare System, 1400 VFW Parkway, Suite 1B106, West Roxbury, MA, 02132, USA.
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Sekiya I, Katano H, Guermazi A, Miura Y, Okanouchi N, Tomita M, Masumoto J, Kitazume Y, Koga H, Ozeki N. Association of AI-determined Kellgren-Lawrence grade with medial meniscus extrusion and cartilage thickness by AI-based 3D MRI analysis in early knee osteoarthritis. Sci Rep 2023; 13:20093. [PMID: 37973855 PMCID: PMC10654518 DOI: 10.1038/s41598-023-46953-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 11/07/2023] [Indexed: 11/19/2023] Open
Abstract
The associations among Kellgren-Lawrence (KL) grade, medial meniscus extrusion (MME), and cartilage thickness in knee osteoarthritis (OA) remain insufficiently understood. Our aim was to determine these associations in early to moderate medial tibiofemoral knee OA. We included 469 subjects with no lateral OA from the Kanagawa Knee Study. KL grade was assessed using artificial intelligence (AI) software. The MME was measured by MRI, and the cartilage thickness was evaluated in 18 subregions of the medial femorotibial joint by another AI system. The median MME width was 1.4 mm in KL0, 1.5 mm in KL1, 2.4 mm in KL2, and 6.0 mm in KL3. Cartilage thinning in the medial femur occurred in the anterior central subregion in KL1, expanded inwardly in KL2, and further expanded in KL3. Cartilage thinning in the medial tibia occurred in the anterior and middle external subregions in KL1, expanded into the anterior and middle central subregions in KL2, and further expanded in KL3. The absolute correlation coefficient between MME width and cartilage thickness increased as the KL grade increased in some subregions. This study provides novel insights into the early stages of knee OA and potentially has implications for the development of early intervention strategies.
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Affiliation(s)
- Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan.
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
| | - Hisako Katano
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ali Guermazi
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - Yugo Miura
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Noriya Okanouchi
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Makoto Tomita
- School of Data Science, Graduate School of Data Science, Yokohama City University, Kanagawa, Japan
| | | | - Yoshio Kitazume
- Department of Diagnostic Radiology and Nuclear Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Nobutake Ozeki
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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Roemer FW, Jarraya M, Collins JE, Kwoh CK, Hayashi D, Hunter DJ, Guermazi A. Structural phenotypes of knee osteoarthritis: potential clinical and research relevance. Skeletal Radiol 2023; 52:2021-2030. [PMID: 36161341 PMCID: PMC10509066 DOI: 10.1007/s00256-022-04191-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 02/02/2023]
Abstract
A joint contains many different tissues that can exhibit pathological changes, providing many potential targets for treatment. Researchers are increasingly suggesting that osteoarthritis (OA) comprises several phenotypes or subpopulations. Consequently, a treatment for OA that targets only one pathophysiologic abnormality is unlikely to be similarly efficacious in preventing or delaying the progression of all the different phenotypes of structural OA. Five structural phenotypes have been proposed, namely the inflammatory, meniscus-cartilage, subchondral bone, and atrophic and hypertrophic phenotypes. The inflammatory phenotype is characterized by marked synovitis and/or joint effusion, while the meniscus-cartilage phenotype exhibits severe meniscal and cartilage damage. Large bone marrow lesions characterize the subchondral bone phenotype. The hypertrophic and atrophic OA phenotype are defined based on the presence large osteophytes or absence of any osteophytes, respectively, in the presence of concomitant cartilage damage. Limitations of the concept of structural phenotyping are that they are not mutually exclusive and that more than one phenotype may be present. It must be acknowledged that a wide range of views exist on how best to operationalize the concept of structural OA phenotypes and that the concept of structural phenotypic characterization is still in its infancy. Structural phenotypic stratification, however, may result in more targeted trial populations with successful outcomes and practitioners need to be aware of the heterogeneity of the disease to personalize their treatment recommendations for an individual patient. Radiologists should be able to define a joint at risk for progression based on the predominant phenotype present at different disease stages.
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Affiliation(s)
- Frank W Roemer
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, 820 Harrison Avenue, FGH Building, 4th floor, Boston, MA, 02118, USA.
- Department of Radiology, Universitätsklinikum Erlangen and Friedrich-Alexander University Erlangen-Nürnberg (FAU), Maximiliansplatz 3, 91054, Erlangen, Germany.
| | - Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard University, 55 Fruit St, Boston, MA, 02114, USA
| | - Jamie E Collins
- Orthopaedics and Arthritis Center of Outcomes Research, Brigham and Women's Hospital, Harvard Medical, School, 75 Francis Street, BTM Suite 5016, Boston, MA, 02115, USA
| | - C Kent Kwoh
- University of Arizona Arthritis Center, The University of Arizona College of Medicine, 1501 N. Campbell Avenue, Suite, Tucson, AZ, 8303, USA
| | - Daichi Hayashi
- Department of Radiology, Stony Brook University Renaissance School of Medicine, State University of New York, 101 Nicolls Rd, HSc Level 4, Room 120, Stony Brook, NY, 11794-8460, USA
| | - David J Hunter
- Department of Rheumatology, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Reserve Rd, St. Leonards, 2065, NSW, Australia
| | - Ali Guermazi
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, 820 Harrison Avenue, FGH Building, 4th floor, Boston, MA, 02118, USA
- Department of Radiology, VA Boston Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA, 02132, USA
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Kasaeian A, Roemer FW, Ghotbi E, Ibad HA, He J, Wan M, Zbijewski WB, Guermazi A, Demehri S. Subchondral bone in knee osteoarthritis: bystander or treatment target? Skeletal Radiol 2023; 52:2069-2083. [PMID: 37646795 DOI: 10.1007/s00256-023-04422-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 08/01/2023] [Accepted: 08/01/2023] [Indexed: 09/01/2023]
Abstract
The subchondral bone is an important structural component of the knee joint relevant for osteoarthritis (OA) incidence and progression once disease is established. Experimental studies have demonstrated that subchondral bone changes are not simply the result of altered biomechanics, i.e., pathologic loading. In fact, subchondral bone alterations have an impact on joint homeostasis leading to articular cartilage loss already early in the disease process. This narrative review aims to summarize the available and emerging imaging techniques used to evaluate knee OA-related subchondral bone changes and their potential role in clinical trials of disease-modifying OA drugs (DMOADs). Radiographic fractal signature analysis has been used to quantify OA-associated changes in subchondral texture and integrity. Cross-sectional modalities such as cone-beam computed tomography (CT), contrast-enhanced cone beam CT, and micro-CT can also provide high-resolution imaging of the subchondral trabecular morphometry. Magnetic resonance imaging (MRI) has been the most commonly used advanced imaging modality to evaluate OA-related subchondral bone changes such as bone marrow lesions and altered trabecular bone texture. Dual-energy X-ray absorptiometry can provide insight into OA-related changes in periarticular subchondral bone mineral density. Positron emission tomography, using physiological biomarkers of subchondral bone regeneration, has provided additional insight into OA pathogenesis. Finally, artificial intelligence algorithms have been developed to automate some of the above subchondral bone measurements. This paper will particularly focus on semiquantitative methods for assessing bone marrow lesions and their utility in identifying subjects at risk of symptomatic and structural OA progression, and evaluating treatment responses in DMOAD clinical trials.
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Affiliation(s)
- Arta Kasaeian
- Musculoskeletal Radiology, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Frank W Roemer
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Elena Ghotbi
- Musculoskeletal Radiology, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Hamza Ahmed Ibad
- Musculoskeletal Radiology, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jianwei He
- Department of Orthopedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Mei Wan
- Department of Orthopedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Wojciech B Zbijewski
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
| | - Shadpour Demehri
- Musculoskeletal Radiology, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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Guermazi A, Roemer FW, Jarraya M, Hayashi D. A call for screening MRI as a tool for osteoarthritis clinical trials. Skeletal Radiol 2023; 52:2011-2019. [PMID: 37126081 DOI: 10.1007/s00256-023-04354-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 04/21/2023] [Accepted: 04/23/2023] [Indexed: 05/02/2023]
Abstract
Conventional radiography is the most commonly used imaging modality for the evaluation of osteoarthritis (OA) in clinical trials of disease-modifying OA drugs (DMOADs). Unfortunately, radiography has many shortcomings as an imaging technique to meaningfully assess the pathological features of OA. In this perspective paper, we will describe the reasons why radiography is not an ideal tool for structural OA assessment and why magnetic resonance imaging (MRI) should be preferred for such purposes. These shortcomings include a lack of reproducibility of radiographic joint space measurements (if conducted without using a standardized positioning frame), a lack of sensitivity and specificity, an insufficient definition of disease severity, a weak association of radiographic structural damage and pain, a lack of ability to depict many faces of OA, and incapability to depict diagnoses of exclusion. MRI offers solutions to these limitations of radiography. Several different phenotypes of OA have been recognized and it is important to recruit appropriate patients for specific therapeutic approaches in DMOAD trials. Radiography does not allow such phenotypical stratification. We will explain known hurdles for widespread deployment of MRI at eligibility screening and how they can be overcome by technological advances and the use of simplified image assessment.
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Affiliation(s)
- Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
- VA Boston Healthcare System, West Roxbury, MA, USA
| | - Frank W Roemer
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Daichi Hayashi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA.
- Department of Radiology, Tufts Medical Center, Tufts Medicine, Floating 4, 800 Washington Street, Boston, MA, USA.
- Harvard T.H. Chan School of Public Health, Boston, MA, USA.
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Hayashi D, Roemer FW, Jarraya M, Guermazi A. Update on recent developments in imaging of inflammation in osteoarthritis: a narrative review. Skeletal Radiol 2023; 52:2057-2067. [PMID: 36542129 DOI: 10.1007/s00256-022-04267-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/11/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
Synovitis is an important component of the osteoarthritis (OA) disease process, particularly regarding the "inflammatory phenotype" of OA. Imaging plays an important role in the assessment of synovitis in OA with MRI and ultrasound being the most deployed imaging modalities. Contrast-enhanced (CE) MRI, particularly dynamic CEMRI (DCEMRI) is the ideal method for synovitis assessment, but for several reasons CEMRI is not commonly performed for OA imaging in general. Effusion-synovitis and Hoffa-synovitis are commonly used as surrogate markers of synovitis on non-contrast-enhanced (NCE) MRI and have been used in many epidemiological observational studies of knee OA. Several semiquantitative MRI scoring systems are available for the evaluation of synovitis in knee OA. Synovitis can be a target tissue for disease-modifying OA drug (DMOAD) clinical trials. Both MRI and ultrasound may be used to determine the eligibility and assess the therapeutic efficacy of DMOAD approaches. Ultrasound is mostly used for evaluation of synovitis in hand OA, while MRI is typically used for larger joints, namely knees and hips. The role of other modalities such as CT (including dual-energy CT) and nuclear medicine imaging (such as positron-emission tomography (PET) and its hybrid imaging) is limited in the context of synovitis assessment in OA. Despite research efforts to develop NCEMRI-based synovitis evaluation methods, these typically underestimate the severity of synovitis compared to CEMRI, and thus more research is needed before we can rely only on NCEMRI.
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Affiliation(s)
- Daichi Hayashi
- Department of Radiology, Stony Brook University Renaissance School of Medicine, HSc Level 4, Room 120, Stony Brook, NY, 11794, USA.
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA.
- Harvard T.H. Chan School of Public Health, Boston, MA, USA.
| | - Frank W Roemer
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
- VA Boston Healthcare System, West Roxbury, Boston, MA, USA
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Jarraya M, Roemer F, Kwoh CK, Guermazi A. Crystal arthropathies and osteoarthritis-where is the link? Skeletal Radiol 2023; 52:2037-2043. [PMID: 36538066 DOI: 10.1007/s00256-022-04246-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 11/28/2022] [Accepted: 11/28/2022] [Indexed: 12/24/2022]
Abstract
Osteoarthritis (OA) is one of the leading causes of disability worldwide. As our understanding of OA progressively has moved from a purely mechanical "wear and tear" concept toward a complex multi-tissue condition in which inflammation plays a central role, the possible role of crystal-induced inflammation in OA incidence and progression may be relevant. In addition to gout, which affects 4% of the US population, basic calcium phosphate and calcium pyrophosphate deposition both may induce joint inflammation and may play a role in pain in OA. This narrative review article discusses the possible mechanisms underlying the associations between crystal-induced arthropathies and OA, and the important implications of these for clinical practice and future research.
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Affiliation(s)
- Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, YAW 6044, Boston, MA, 02114, USA.
| | - Frank Roemer
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, Friedrich-Alexander University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Germany
| | - C Kent Kwoh
- Division of Rheumatology, The University of Arizona, Tucson, AZ, USA
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, VA Boston Healthcare System, West Roxbury, MA, USA
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Guermazi A, Hayashi D, Jarraya M, Roemer FW. The role of imaging in disentangling the enigma of osteoarthritis. Skeletal Radiol 2023; 52:2005-2006. [PMID: 37712981 DOI: 10.1007/s00256-023-04454-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Affiliation(s)
- Ali Guermazi
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, MA, USA.
- Department of Radiology, Boston VA Healthcare System, West Roxbury, Boston, MA, USA.
| | - Daichi Hayashi
- Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA
- Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA
| | - Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Frank W Roemer
- Department of Radiology, Chobanian & Avedisian Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich Alexander Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany
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Liu S, Roemer F, Ge Y, Bedrick EJ, Li ZM, Guermazi A, Sharma L, Eaton C, Hochberg MC, Hunter DJ, Nevitt MC, Wirth W, Kent Kwoh C, Sun X. Comparison of evaluation metrics of deep learning for imbalanced imaging data in osteoarthritis studies. Osteoarthritis Cartilage 2023; 31:1242-1248. [PMID: 37209993 PMCID: PMC10524686 DOI: 10.1016/j.joca.2023.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 04/14/2023] [Accepted: 05/12/2023] [Indexed: 05/22/2023]
Abstract
PURPOSE To compare the evaluation metrics for deep learning methods that were developed using imbalanced imaging data in osteoarthritis studies. MATERIALS AND METHODS This retrospective study utilized 2996 sagittal intermediate-weighted fat-suppressed knee MRIs with MRI Osteoarthritis Knee Score readings from 2467 participants in the Osteoarthritis Initiative study. We obtained probabilities of the presence of bone marrow lesions (BMLs) from MRIs in the testing dataset at the sub-region (15 sub-regions), compartment, and whole-knee levels based on the trained deep learning models. We compared different evaluation metrics (e.g., receiver operating characteristic (ROC) and precision-recall (PR) curves) in the testing dataset with various class ratios (presence of BMLs vs. absence of BMLs) at these three data levels to assess the model's performance. RESULTS In a subregion with an extremely high imbalance ratio, the model achieved a ROC-AUC of 0.84, a PR-AUC of 0.10, a sensitivity of 0, and a specificity of 1. CONCLUSION The commonly used ROC curve is not sufficiently informative, especially in the case of imbalanced data. We provide the following practical suggestions based on our data analysis: 1) ROC-AUC is recommended for balanced data, 2) PR-AUC should be used for moderately imbalanced data (i.e., when the proportion of the minor class is above 5% and less than 50%), and 3) for severely imbalanced data (i.e., when the proportion of the minor class is below 5%), it is not practical to apply a deep learning model, even with the application of techniques addressing imbalanced data issues.
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Affiliation(s)
- Shen Liu
- Department of Epidemiology and Biostatistics, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA.
| | - Frank Roemer
- Department of Radiology, University of Erlangen - Nuremberg, Erlangen, Germany; Department of Radiology, Boston University School of Medicine, MA, USA.
| | - Yong Ge
- Department of Management Information Systems, University of Arizona, AZ, USA.
| | - Edward J Bedrick
- Department of Epidemiology and Biostatistics, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA.
| | - Zong-Ming Li
- University of Arizona Arthritis Center, University of Arizona College of Medicine, Tucson, AZ, USA.
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, MA, USA.
| | - Leena Sharma
- Feinberh School of Medicine, Northwestern University, IL, USA.
| | - Charles Eaton
- Kent Memorial Hospital, and Department of Family Medicine, Warren Alpert Medical School, and Department of Epidemiology, School of Public Health, Brown University, RI, USA.
| | - Marc C Hochberg
- School of Medicine, University of Maryland, and Medical Care Clinical Center, VA Maryland Health Care System, Baltimore, MD, USA.
| | - David J Hunter
- Sydney Musculoskeletal Health, Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, 2065 NSW, Australia, and Rheumatology Department, Royal North Shore Hospital, St Leonards, NSW 2065 Australia.
| | - Michael C Nevitt
- Department of Epidemiology and Biostatistics, University of California San Francisco, CA, USA.
| | - Wolfgang Wirth
- Department of Imaging & Functional Musculoskeletal Research, Institute of Anatomy & Cell Biology, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria, and Ludwig Boltzmann Inst. for Arthritis and Rehabilitation, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria, and Chondrometrics GmbH, Ainring, Germany.
| | - C Kent Kwoh
- University of Arizona Arthritis Center, University of Arizona College of Medicine, Tucson, AZ, USA.
| | - Xiaoxiao Sun
- Department of Epidemiology and Biostatistics, University of Arizona, 1295 N. Martin Ave., Tucson, AZ 85724, USA.
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Girdwood MA, Patterson BE, Crossley KM, Guermazi A, Whitehead TS, Morris HG, Rio EK, Culvenor AG. Hip rotation muscle strength is implicated in the progression of early post-traumatic osteoarthritis: A longitudinal evaluation up to 5 years following ACL reconstruction. Phys Ther Sport 2023; 63:17-23. [PMID: 37419038 DOI: 10.1016/j.ptsp.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/11/2023] [Accepted: 06/12/2023] [Indexed: 07/09/2023]
Abstract
INTRODUCTION Following ACL reconstruction (ACLR), deficits in hip muscle strength and relationships to future outcomes are unknown. METHODS 111 participants one year after ACLR, completed hip external rotation (ER) and internal rotation (IR) strength assessment. At 1 (n = 111) and 5 (n = 74) years post-ACLR, participants completed a battery of functional, symptomatic (Knee Osteoarthritis Outcome Score (KOOS)) and structural assessments (radiography, magnetic resonance imaging (MRI)). Cartilage health of the patellofemoral and tibiofemoral compartments was assessed with the semiquantitative MRI Osteoarthritis Knee Score. Hip rotation strength was compared between-limbs, and relationships between hip strength at 1 year and functional, symptomatic and cartilage outcomes at 1 and 5 years were investigated with regression models. RESULTS The index (ACLR) limb had weaker hip ER (but not IR) strength compared to the contralateral side (standardised mean difference ER = -0.33 (95%CI -0.60, -0.07; IR = -0.11 (95%CI -0.37, 0.15). Greater hip ER and IR strength was associated with superior function at 1 and 5 years, and better KOOS-Patellofemoral symptoms at 5 years. Greater hip ER strength was associated with lower odds of worsening tibiofemoral cartilage lesions at 5 years (odds ratio 0.01, 95%CI 0.00, 0.41). CONCLUSION Hip rotation strength may play a role in worsening function, symptoms and cartilage health after ACLR.
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Affiliation(s)
- Michael A Girdwood
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia; Australian IOC Centre for Prevention of Injury and Protection of Athlete Health, La Trobe University, Australia
| | - Brooke E Patterson
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia; Australian IOC Centre for Prevention of Injury and Protection of Athlete Health, La Trobe University, Australia
| | - Kay M Crossley
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia; Australian IOC Centre for Prevention of Injury and Protection of Athlete Health, La Trobe University, Australia
| | - Ali Guermazi
- School of Medicine, Boston University, Boston, MA, USA
| | | | | | - Ebonie K Rio
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia; Australian IOC Centre for Prevention of Injury and Protection of Athlete Health, La Trobe University, Australia
| | - Adam G Culvenor
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia; Australian IOC Centre for Prevention of Injury and Protection of Athlete Health, La Trobe University, Australia.
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Guermazi A, Hunter DJ, Kloppenburg M. Debate: Intra-articular steroid injections for osteoarthritis - harmful or helpful? ☆,☆☆. Osteoarthr Imaging 2023; 3:100163. [PMID: 38313846 PMCID: PMC10836165 DOI: 10.1016/j.ostima.2023.100163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2024]
Abstract
Intra-articular corticosteroids injections are a widely used treatment for pain from symptomatic osteoarthritis. Systematic reviews show that the treatment effect is modest compared with intra-articular saline (often considered as placebo) and lasts for 2-4 weeks on average. Potentially as a consequence of limited therapeutic duration, repeated injections are often given up to 4 injections annually. In this context of repeat injections, recent evidence has emerged that intra-articular corticosteroids might be associated with more MRI-assessed quantitative cartilage thickness loss than saline injections. Guidelines vary in the recommendation for use of intra-articular corticosteroids. Given the frequency with which intra-articular corticosteroids injections are used, the size and scale of the population with osteoarthritis, it is critical to fully understand the benefits and drawbacks of intra-articular corticosteroids injections. That is the focus of this debate article.
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Affiliation(s)
- Ali Guermazi
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, 820 Harrison Avenue, FGH Building, 4th floor, Boston, MA, 02118, USA
- Department of Radiology, VA Boston Healthcare System, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA, 02132, USA
| | - David J Hunter
- Department of Rheumatology, Royal North Shore Hospital and Institute of Bone and Joint Research, Kolling Institute, University of Sydney, Reserve Rd, St. Leonards, 2065, NSW, Australia
| | - Margreet Kloppenburg
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
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Ibad HA, Kasaeian A, Ghotbi E, Roemer F, Jarraya M, Ghazi-Sherbaf F, Dolatshahi M, Demehri S, Guermazi A. Longitudinal MRI-defined Cartilage Loss and Radiographic Joint Space Narrowing Following Intra-Articular Corticosteroid Injection for Knee Osteoarthritis: A Systematic Review and Meta-analysis. Osteoarthr Imaging 2023; 3:100157. [PMID: 38455990 PMCID: PMC10919225 DOI: 10.1016/j.ostima.2023.100157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Background Intra-articular corticosteroid injections (IACS) are interventions which provide pain relief in knee osteoarthritis (OA). It remains unclear whether IACS have a deleterious effect on knee cartilage structure. Purpose To estimate the effect of IACS on cartilage structure in patients with knee OA, using joint space width (JSW) (in radiographic studies), and cartilage thickness (in magnetic resonance imaging). Materials and methods A literature search was performed to identify randomized control trials and observational studies published from inception to June 15, 2022. Studies were included if patients received IACS for knee OA, with a control arm. Given the different metrics used in reporting continuous variable outcomes among studies, pooled estimates for cartilage thickness change were assessed using standardized mean differences (defined as the difference between the means of the groups divided by a within-group standard deviation) to odds ratio transformation. Sensitivity analyses were conducted based on outcome metric, imaging modality, and number of injections. Results Six studies (1437 participants) were identified. The estimated effect of IACS on cartilage structure revealed greater odds of cartilage structure worsening (Odds Ratio (OR): 2.01, 95% Confidence Interval (CI): 1.18,3.44). Sensitivity analyses revealed similar trends, with significant results for singular injections with preference to JSW (OR: 2.44, 95%CI: 1.23,4.82), radiographic outcomes with preference to KL grade (OR: 2.03, 95%CI: 1.01,4.10), binary outcomes with preference to KL grade (OR: 2.93, 95%CI: 1.18,7.25) and quantitative measures (Standardized Mean Differences (SMD): -0.34, 95%CI: -0.66, -0.02). Conclusions IACS use may contribute to imaging features of knee cartilage loss. Further studies are warranted to investigate the underlying pathogenesis.
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Affiliation(s)
- Hamza Ahmed Ibad
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Arta Kasaeian
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Elena Ghotbi
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Frank Roemer
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Mohamed Jarraya
- Department of Radiology, Massachusetts General Hospital, Boston, MA, USA
| | - Farzaneh Ghazi-Sherbaf
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Shadpour Demehri
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ali Guermazi
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA
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Costello KE, Felson DT, Jafarzadeh SR, Guermazi A, Roemer FW, Segal NA, Lewis CE, Nevitt MC, Lewis CL, Kolachalama VB, Kumar D. Gait, physical activity and tibiofemoral cartilage damage: a longitudinal machine learning analysis in the Multicenter Osteoarthritis Study. Br J Sports Med 2023; 57:1018-1024. [PMID: 36868795 PMCID: PMC10423491 DOI: 10.1136/bjsports-2022-106142] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2023] [Indexed: 03/05/2023]
Abstract
OBJECTIVE To (1) develop and evaluate a machine learning model incorporating gait and physical activity to predict medial tibiofemoral cartilage worsening over 2 years in individuals without advanced knee osteoarthritis and (2) identify influential predictors in the model and quantify their effect on cartilage worsening. DESIGN An ensemble machine learning model was developed to predict worsened cartilage MRI Osteoarthritis Knee Score at follow-up from gait, physical activity, clinical and demographic data from the Multicenter Osteoarthritis Study. Model performance was evaluated in repeated cross-validations. The top 10 predictors of the outcome across 100 held-out test sets were identified by a variable importance measure. Their effect on the outcome was quantified by g-computation. RESULTS Of 947 legs in the analysis, 14% experienced medial cartilage worsening at follow-up. The median (2.5-97.5th percentile) area under the receiver operating characteristic curve across the 100 held-out test sets was 0.73 (0.65-0.79). Baseline cartilage damage, higher Kellgren-Lawrence grade, greater pain during walking, higher lateral ground reaction force impulse, greater time spent lying and lower vertical ground reaction force unloading rate were associated with greater risk of cartilage worsening. Similar results were found for the subset of knees with baseline cartilage damage. CONCLUSIONS A machine learning approach incorporating gait, physical activity and clinical/demographic features showed good performance for predicting cartilage worsening over 2 years. While identifying potential intervention targets from the model is challenging, lateral ground reaction force impulse, time spent lying and vertical ground reaction force unloading rate should be investigated further as potential early intervention targets to reduce medial tibiofemoral cartilage worsening.
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Affiliation(s)
- Kerry E Costello
- Mechanical and Aerospace Engineering, University of Florida, Gainesville, Florida, USA
- Physical Therapy, Boston University, Boston, Massachusetts, USA
- Rheumatology, Boston University School of Medicine, Boston, Massachusetts, USA
| | - David T Felson
- Rheumatology, Boston University School of Medicine, Boston, Massachusetts, USA
| | - S Reza Jafarzadeh
- Rheumatology, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Ali Guermazi
- Radiology, VA Boston Healthcare System, West Roxbury, Massachusetts, USA
| | - Frank W Roemer
- Radiology, Universitatsklinikum Erlangen, Erlangen, Germany
- Radiology, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Neil A Segal
- Rehabilitation Medicine, The University of Kansas Medical Center, Kansas City, Kansas, USA
- Epidemiology, The University of Iowa, Iowa City, Iowa, USA
| | - Cora E Lewis
- Epidemiology, The University of Alabama, Birmingham, Alabama, USA
| | - Michael C Nevitt
- Epidemiology & Biostatistics, University of California, San Francisco, California, USA
| | - Cara L Lewis
- Physical Therapy, Boston University, Boston, Massachusetts, USA
- Rheumatology, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Vijaya B Kolachalama
- Computational Biomedicine, Boston University School of Medicine, Boston, Massachusetts, USA
- Computer Science, Boston University, Boston, Massachusetts, USA
| | - Deepak Kumar
- Physical Therapy, Boston University, Boston, Massachusetts, USA
- Rheumatology, Boston University School of Medicine, Boston, Massachusetts, USA
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Jarraya M, Guermazi A, Liew JW, Tolstykh I, Lynch JA, Aliabadi P, Felson DT, Clancy M, Nevitt M, Lewis CE, Torner J, Neogi T. Prevalence of intra-articular mineralization on knee computed tomography: the multicenter osteoarthritis study. Osteoarthritis Cartilage 2023; 31:1111-1120. [PMID: 37088266 PMCID: PMC10524737 DOI: 10.1016/j.joca.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 03/23/2023] [Accepted: 04/12/2023] [Indexed: 04/25/2023]
Abstract
OBJECTIVE The aim of this work was to report the prevalence of computed tomography (CT)-detected intra-articular mineralization. DESIGN We included participants from the Multicenter Osteoarthritis (MOST) Study. At the 12th year visit of the MOST study, bilateral knee CTs were first obtained. All participants also had posteroanterior and lateral radiographs of bilateral knees and completed standard questionnaires. Knee radiographs were assessed for Kellgren & Lawrence grade (KLG) and radiographic evidence of intra-articular mineralization. CT images were scored using the Boston University Calcium Knee Score (BUCKS) for cartilage, menisci, ligaments, capsule, and vasculature. Prevalence of intra-articular mineralization was computed for the total sample, and stratified by age, sex, race, Body Mass Index (BMI), presence of frequent knee pain, and KLG. We also determined distribution of mineralization in the cartilage and meniscus, and co-localization. RESULTS 4140 bilateral knees from 2070 participants were included (56.7% female, mean age 61.1 years, mean BMI: 28.8 kg/m2). On radiographs 240 knees (5.8%) had intraarticular mineralization, while CT-detected mineralization was present in 9.8% of knees. Prevalence of hyaline articular and meniscus mineralization increased with age and KL grade, and was similar by sex, BMI categories, and comparable in subjects with and without frequent knee pain. Mineralization tended to be ubiquitous in the joint, most commonly involving all three (medial/lateral tibiofemoral and patellofemoral) compartments (3.1%), while the patellofemoral compartment was the most involved compartment in isolation (1.4%). CONCLUSIONS CT of the knee provides greater visualization of intra-articular mineralization than radiographs and allows better localization of the crystal deposition within the joint. Further studies should focus on the co-localization of intra-articular crystal deposition and corresponding magnetic resonance imaging (MRI)-features of knee osteoarthritis (OA).
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Affiliation(s)
- M Jarraya
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
| | - A Guermazi
- Department of Radiology, VA Healthcare System, Boston University School of Medicine, Boston, MA, USA
| | - J W Liew
- Department of Medicine, Boston University School of Medicine, Boston University, Boston, MA, USA
| | - I Tolstykh
- Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - J A Lynch
- Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - P Aliabadi
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - D T Felson
- Department of Medicine, Boston University School of Medicine, Boston University, Boston, MA, USA
| | - M Clancy
- Department of Medicine, Boston University School of Medicine, Boston University, Boston, MA, USA
| | - M Nevitt
- Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - C E Lewis
- Department of Epidemiology, University of Alabama at Birmingham, AL, USA
| | - J Torner
- Department of Epidemiology, College of Public Health, University of Iowa, IA, USA
| | - T Neogi
- Department of Medicine, Boston University School of Medicine, Boston University, Boston, MA, USA
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Hayashi D, Roemer FW, Tol JL, Heiss R, Crema MD, Jarraya M, Rossi I, Luna A, Guermazi A. Emerging Quantitative Imaging Techniques in Sports Medicine. Radiology 2023; 308:e221531. [PMID: 37552087 DOI: 10.1148/radiol.221531] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
This article describes recent advances in quantitative imaging of musculoskeletal extremity sports injuries, citing the existing literature evidence and what additional evidence is needed to make such techniques applicable to clinical practice. Compositional and functional MRI techniques including T2 mapping, diffusion tensor imaging, and sodium imaging as well as contrast-enhanced US have been applied to quantify pathophysiologic processes and biochemical compositions of muscles, tendons, ligaments, and cartilage. Dual-energy and/or spectral CT has shown potential, particularly for the evaluation of osseous and ligamentous injury (eg, creation of quantitative bone marrow edema maps), which is not possible with standard single-energy CT. Recent advances in US technology such as shear-wave elastography or US tissue characterization as well as MR elastography enable the quantification of mechanical, elastic, and physical properties of tissues in muscle and tendon injuries. The future role of novel imaging techniques such as photon-counting CT remains to be established. Eventual prediction of return to play (ie, the time needed for the injury to heal sufficiently so that the athlete can get back to playing their sport) and estimation of risk of repeat injury is desirable to help guide sports physicians in the treatment of their patients. Additional values of quantitative analyses, as opposed to routine qualitative analyses, still must be established using prospective longitudinal studies with larger sample sizes.
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Affiliation(s)
- Daichi Hayashi
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Frank W Roemer
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Johannes L Tol
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Rafael Heiss
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Michel D Crema
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Mohamed Jarraya
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Ignacio Rossi
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Antonio Luna
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
| | - Ali Guermazi
- From the Department of Radiology, Tufts Medical Center, Tufts University School of Medicine, Boston, Mass (D.H.); Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Mass (D.H., F.W.R., M.D.C., A.G.); Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany (F.W.R., R.H.); University of Amsterdam Academic Center for Evidence-based Sports Medicine, Amsterdam, the Netherlands (J.L.T.); Institute of Sports Imaging, French National Institute of Sports, Paris, France (M.D.C.); Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass (M.J.); Centro Rossi, Buenos Aires, Argentina (I.R.); Department of Radiology, HT Medica, Jaén, Spain (A.L.); and Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, 1400 VFW Parkway, Suite 1B105, West Roxbury, MA 02132 (A.G.)
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Demehri S, Baffour FI, Klein JG, Ghotbi E, Ibad HA, Moradi K, Taguchi K, Fritz J, Carrino JA, Guermazi A, Fishman EK, Zbijewski WB. Musculoskeletal CT Imaging: State-of-the-Art Advancements and Future Directions. Radiology 2023; 308:e230344. [PMID: 37606571 PMCID: PMC10477515 DOI: 10.1148/radiol.230344] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/28/2023] [Accepted: 05/15/2023] [Indexed: 08/23/2023]
Abstract
CT is one of the most widely used modalities for musculoskeletal imaging. Recent advancements in the field include the introduction of four-dimensional CT, which captures a CT image during motion; cone-beam CT, which uses flat-panel detectors to capture the lower extremities in weight-bearing mode; and dual-energy CT, which operates at two different x-ray potentials to improve the contrast resolution to facilitate the assessment of tissue material compositions such as tophaceous gout deposits and bone marrow edema. Most recently, photon-counting CT (PCCT) has been introduced. PCCT is a technique that uses photon-counting detectors to produce an image with higher spatial and contrast resolution than conventional multidetector CT systems. In addition, postprocessing techniques such as three-dimensional printing and cinematic rendering have used CT data to improve the generation of both physical and digital anatomic models. Last, advancements in the application of artificial intelligence to CT imaging have enabled the automatic evaluation of musculoskeletal pathologies. In this review, the authors discuss the current state of the above CT technologies, their respective advantages and disadvantages, and their projected future directions for various musculoskeletal applications.
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Affiliation(s)
- Shadpour Demehri
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Francis I. Baffour
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Joshua G. Klein
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Elena Ghotbi
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Hamza Ahmed Ibad
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Kamyar Moradi
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Katsuyuki Taguchi
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Jan Fritz
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - John A. Carrino
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Ali Guermazi
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Elliot K. Fishman
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
| | - Wojciech B. Zbijewski
- From the Russell H. Morgan Department of Radiology and Radiological
Science (S.D., J.G.K., E.G., H.A.I., K.M., K.T., E.K.F.) and Department of
Biomedical Engineering (W.B.Z.), Johns Hopkins University School of Medicine,
601 N Carolina St, Baltimore, MD 21287; Division of Musculoskeletal Imaging,
Department of Radiology, Mayo Clinic, Rochester, Minn (F.I.B.); Department of
Radiology, New York University Grossman School of Medicine, New York, NY (J.F.);
Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY
(J.A.C.); and Department of Radiology, Quantitative Imaging Center, Boston
University School of Medicine, Boston, Mass (A.G.)
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Katz JN, Collins JE, Brophy RH, Cole BJ, Cox CL, Guermazi A, Jones MH, Levy BA, MacFarlane LA, Mandl LA, Marx RG, Selzer F, Spindler KP, Wright RW, Losina E, Chang Y. Radiographic Changes Five Years After Treatment of Meniscal Tear and Osteoarthritic Changes. Arthritis Care Res (Hoboken) 2023:10.1002/acr.25197. [PMID: 37474452 PMCID: PMC10799184 DOI: 10.1002/acr.25197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/20/2023] [Accepted: 07/06/2023] [Indexed: 07/22/2023]
Abstract
OBJECTIVE Meniscal tear in persons aged ≥45 years is typically managed with physical therapy (PT), and arthroscopic partial meniscectomy (APM) is offered to those who do not respond. Prior studies suggest APM may be associated with greater progression of radiographic changes. METHODS We assessed changes between baseline and 60 months in the Kellgren-Lawrence (KL) grade and OARSI radiographic score (including subscores for joint space narrowing and osteophytes) in subjects aged 45-85 years enrolled into a seven-center randomized trial comparing outcomes of APM with PT for meniscal tear, osteoarthritis changes, and knee pain. The primary analysis classified subjects according to treatment received. To balance APM and PT groups, we developed a propensity score and used inverse probability weighting (IPW). We imputed a 60-month change in the OARSI score for subjects who underwent total knee replacement (TKR). In a sensitivity analysis, we classified subjects by randomization group. RESULTS We analyzed data from 142 subjects (100 APM, 42 PT). The mean ± SD weighted baseline OARSI radiographic score was 3.8 ± 3.5 in the APM group and 4.0 ± 4.9 in the PT group. OARSI scores increased by a mean of 4.1 (95% confidence interval [95% CI] 3.5-4.7) in the APM group and 2.4 (95% CI 1.7-3.2) in the PT group (P < 0.001) due to changes in the osteophyte component. We did not observe statistically significant differences in the KL grade. Sensitivity analyses yielded similar findings to the primary analysis. CONCLUSION Subjects treated with APM had greater progression in the OARSI score because of osteophyte progression but not in the KL grade. The clinical implications of these findings require investigation.
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Affiliation(s)
- Jeffrey N Katz
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jamie E Collins
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Robert H Brophy
- Washington University School of Medicine, St. Louis, Missouri
| | | | | | - Ali Guermazi
- Boston Veteran's Medical Center and Boston University Medical Center, Boston, Massachusetts
| | - Morgan H Jones
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | | | | | - Lisa A Mandl
- Hospital for Special Surgery, New York, New York
| | | | - Faith Selzer
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | | | | | - Elena Losina
- Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Yuchiao Chang
- Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
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Schache AG, Sritharan P, Culvenor AG, Patterson BE, Perraton LG, Bryant AL, Guermazi A, Morris HG, Whitehead TS, Crossley KM. Patellofemoral joint loading and early osteoarthritis after ACL reconstruction. J Orthop Res 2023; 41:1419-1429. [PMID: 36751892 PMCID: PMC10946851 DOI: 10.1002/jor.25504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 07/21/2022] [Accepted: 12/07/2022] [Indexed: 02/09/2023]
Abstract
Patellofemoral joint (PFJ) osteoarthritis is common following anterior cruciate ligament reconstruction (ACLR) and may be linked with altered joint loading. However, little is known about the cross-sectional and longitudinal relationship between PFJ loading and osteoarthritis post-ACLR. This study tested if altered PFJ loading is associated with prevalent and worsening early PFJ osteoarthritis post-ACLR. Forty-six participants (mean ± 1 SD age 26 ± 5 years) approximately 1-year post-ACLR underwent magnetic resonance imaging (MRI) and biomechanical assessment of their reconstructed knee. Trunk and lower-limb kinematics plus ground reaction forces were recorded during the landing phase of a standardized forward hop. These data were input into a musculoskeletal model to calculate the PFJ contact force. Follow-up MRI was completed on 32 participants at 5-years post-ACLR. Generalized linear models (Poisson regression) assessed the relationship between PFJ loading and prevalent early PFJ osteoarthritis (i.e., presence of a PFJ cartilage lesion at 1-year post-ACLR) and worsening PFJ osteoarthritis (i.e., incident/progressive PFJ cartilage lesion between 1- and 5-years post-ACLR). A lower peak PFJ contact force was associated with prevalent early PFJ osteoarthritis at 1-year post-ACLR (n = 14 [30.4%]; prevalence ratio: 1.37; 95% confidence interval [CI]: 1.02-1.85) and a higher risk of worsening PFJ osteoarthritis between 1- and 5-years post-ACLR (n = 9 [28.1%]; risk ratio: 1.55, 95% CI: 1.13-2.11). Young adults post-ACLR who exhibited lower PFJ loading during hopping were more likely to have early PFJ osteoarthritis at 1-year and worsening PFJ osteoarthritis between 1- and 5-years. Clinical interventions aimed at mitigating osteoarthritis progression may be beneficial for those with signs of lower PFJ loading post-ACLR.
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Affiliation(s)
- Anthony G. Schache
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Prasanna Sritharan
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Adam G. Culvenor
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Brooke E. Patterson
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
| | - Luke G. Perraton
- Department of PhysiotherapyMonash UniversityMelbourneVictoriaAustralia
| | - Adam L. Bryant
- Centre for Health, Exercise & Sports MedicineUniversity of MelbourneMelbourneVictoriaAustralia
| | - Ali Guermazi
- Department of RadiologyBoston University School of MedicineBostonMassachusettsUSA
| | - Hayden G. Morris
- Park Clinic OrthopaedicsSt Vincent's Private HospitalMelbourneVictoriaAustralia
| | | | - Kay M. Crossley
- La Trobe Sports & Exercise Medicine Research CentreLa Trobe UniversityMelbourneVictoriaAustralia
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46
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Liew JW, Rabasa G, LaValley M, Collins J, Stefanik J, Roemer FW, Guermazi A, Lewis CE, Nevitt M, Torner J, Felson D. Development of a Magnetic Resonance Imaging-Based Definition of Knee Osteoarthritis: Data From the Multicenter Osteoarthritis Study. Arthritis Rheumatol 2023; 75:1132-1138. [PMID: 36693143 PMCID: PMC10361157 DOI: 10.1002/art.42454] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/15/2023] [Accepted: 01/19/2023] [Indexed: 01/26/2023]
Abstract
OBJECTIVE Although magnetic resonance imaging (MRI) is the imaging modality of choice for research, there is no widely accepted MRI definition of knee osteoarthritis (OA). We undertook this study to test the performance of different MRI definitions of OA. METHODS We studied Multicenter Osteoarthritis Study participants with knee symptoms using posteroanterior and lateral knee radiographs and MRIs. Radiographic OA was defined as Kellgren/Lawrence grade ≥2 in the tibiofemoral (TF) and/or patellofemoral (PF) joint. Symptomatic OA was defined using a validated questionnaire. MRI findings of cartilage damage, osteophytes, bone marrow lesions (BMLs), and synovitis were scored using the Whole-Organ MRI Score system. We compared definitions using combinations of MRI features to the validation criteria of prevalent radiographic OA and symptomatic OA. All combinations included cartilage damage score ≥2 (0-6 scale) and osteophyte score ≥2 (0-6 scale); addition of BMLs and synovitis score was also tested. We also evaluated a Delphi panel definition that defined OA differently for the PF and TF joints. For each definition, we calculated sensitivity, specificity, and the area under the curve (AUC). RESULTS We included 1,185 knees from 1,185 participants (mean age 66 years, 62% female, 89% White). Among the 1,185 knees, 482 knees had radiographic OA, and 524 knees had symptomatic OA. The MRI definitions with a cartilage score ≥2 and osteophyte score ≥2 and definitions which added BMLs or synovitis score ≥1 had the highest sensitivities (95.2% and 94.5%, respectively) for prevalent radiographic OA (AUCs 0.67 and 0.69, respectively), and also had the highest sensitivities for symptomatic OA. The Delphi panel definition had similar performance but was more complex to apply. CONCLUSION An MRI OA definition requiring cartilage damage and a small osteophyte with or without BMLs or synovitis had the best performance and was simplest for identifying radiographic OA and symptomatic OA.
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Affiliation(s)
- Jean W. Liew
- Section of Rheumatology, Boston University School of Medicine, Massachusetts
| | - Gabriela Rabasa
- Section of Rheumatology, Boston University School of Medicine, Massachusetts
| | | | - Jamie Collins
- Department of Orthopedic Surgery, Orthopedic and Arthritis Center for Outcomes Research, Brigham and Women’s Hospital, and Harvard Medical School, Boston, Massachusetts
| | | | - Frank W. Roemer
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander Universität Erlangen Nürnberg (FAU), Erlangen, Germany, and Department of Radiology, Boston University School of Medicine, Massachusetts
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, and Department of Radiology, VA Boston Healthcare System, Massachusetts
| | | | | | | | - David Felson
- Section of Rheumatology, Boston University School of Medicine, Massachusetts
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Patterson BE, Emery C, Crossley KM, Culvenor AG, Galarneau JM, Jaremko JL, Toomey CM, Guermazi A, Whittaker JL. Knee- and Overall Health-Related Quality of Life Following Anterior Cruciate Ligament Injury: A Cross-sectional Analysis of Australian and Canadian Cohorts. J Orthop Sports Phys Ther 2023; 53:402–413. [PMID: 37289467 DOI: 10.2519/jospt.2023.11838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
OBJECTIVE: To describe the knee- and overall health-related quality of life (QOL) 3 to 12 years after anterior cruciate ligament (ACL) tear, and to assess the association of clinical and structural features with QOL after ACL tear. DESIGN: Cross-sectional analysis of combined data from Australian (n = 76, 5.4 years postinjury) and Canadian (n = 50, 6.6 years postinjury) prospective cohort studies. METHODS: We conducted a secondary analysis of patient-reported outcomes and index knee magnetic resonance imaging (MRI) acquired in 126 patients (median 5.5 [range: 4-12] years postinjury), all treated with ACL reconstruction. Outcomes included knee (ACL Quality of Life questionnaire [ACL-QOL]) and overall health-related QOL (EQ-5D-3L). Explanatory variables were self-reported knee pain (Knee Injury and Osteoarthritis Outcome Score [KOOS-Pain subscale]) and function (KOOS-Sport subscale), and any knee cartilage lesion (MRI Osteoarthritis Knee Score). Generalized linear models were adjusted for clustering between sites. Covariates were age, sex, time since injury, injury type, subsequent knee injuries, and body mass index. RESULTS: The median [range] ACL-QOL score was 82 [24-100] and EQ-5D-3L was 1.0 [-0.2 to 1.0]. For every 10-point higher KOOS-Sport score, the ACL-QOL score increased by 3.7 points (95% confidence interval [CI]: 1.7, 5.7), whereas there was no evidence of an association with the EQ-5D-3L (0.00 points, 95% CI: -0.02, 0.02). There were no significant association between KOOS-Pain and ACL-QOL (4.9 points, 95% CI: -0.1, 9.9) or EQ-5D-3L (0.05 points, 95% CI: -0.01, 0.11), respectively. Cartilage lesions were not associated with ACL-QOL (-1.2, 95% CI: -5.1, 2.7) or EQ-5D-3L (0.01, 95% CI: -0.01, 0.04). CONCLUSION: Self-reported function was more relevant for knee-related QOL than knee pain or cartilage lesions after ACL tear. Self-reported function, pain, and knee structural changes were not associated with overall health-related QOL. J Orthop Sports Phys Ther 2023;53(7):1-12. Epub: 8 June 2023. doi:10.2519/jospt.2023.11838.
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Affiliation(s)
- Brooke E Patterson
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Australia
- Australian International Olympic Committee Research Centre, La Trobe University, Melbourne, Australia
| | - Carolyn Emery
- Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Departments of Pediatrics and Community Health Sciences, Cumming School of Medicine, University of Calgary Calgary, Alberta, Canada
- McCaig Institute for Bone and Joint Health, University of Calgary Calgary Alberta, Canada
| | - Kay M Crossley
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Australia
- Australian International Olympic Committee Research Centre, La Trobe University, Melbourne, Australia
| | - Adam G Culvenor
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Australia
- Australian International Olympic Committee Research Centre, La Trobe University, Melbourne, Australia
| | - Jean-Michel Galarneau
- Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
| | - Jacob L Jaremko
- Department of Radiology and Diagnostic Imaging, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Clodagh M Toomey
- School of Allied Health, Faculty of Education and Health Sciences, University of Limerick, Limerick, Ireland
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA
| | - Jackie L Whittaker
- Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Department of Physical Therapy, Faculty of Medicine, University of British Columbia, Vancouver, Bristish Columbia, Canada
- Arthritis Research Canada, Vancouver, Bristish Columbia, Canada
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Ibad HA, Kwee RM, Ghotbi E, Roemer FW, Guermazi A, Demehri S. Radiographically detectable intra-articular mineralization: Predictor of knee osteoarthritis outcomes or only an indicator of aging? A brief report from the osteoarthritis initiative. Osteoarthr Cartil Open 2023; 5:100348. [PMID: 36923363 PMCID: PMC10009540 DOI: 10.1016/j.ocarto.2023.100348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 02/16/2023] [Indexed: 02/24/2023] Open
Abstract
Objective To determine the association between Intra-articular mineralization (IAM) and knee osteoarthritis (OA) outcomes stratified according to participants' age. Methods Participants from the Osteoarthritis Initiative (OAI) with baseline radiographic OA (i.e., Kellgren-Lawrence grade ≥2 with Osteoarthritis Research Society International (OARSI) atlas joint space narrowing (JSN)) in either knee were identified. Both knees and dominant hand baseline radiographs were evaluated for the presence of IAM. Whole-grade OARSI-JSN radiographic progression and increased Western Ontario and McMaster universities osteoarthritis index scores of the knees with baseline radiographic OA (assessed annually) were defined as radiographic and symptomatic progression, respectively. Cox proportional-hazards and longitudinal multilevel regression models investigated radiographic and symptomatic progression, respectively. Results 2010 participants with baseline radiographic OA in either one or both knees (N = 2976) were identified. 178 participants had baseline IAM (hand radiographs = 46, knee radiographs = 166, both = 34). An adjusted logistic regression model suggests an association between age and IAM (Odds Ratio: 1.06, 95% Confidence Interval (CI): 1.04-1.08). Presence of any IAM was not associated with whole-grade OARSI-JSN (Hazard Ratio (HR): 1.00, 95% CI: 0.73-1.37) or symptomatic progression (Estimated difference: 1.24, p-value: 0.13) in all participants. Using stratification analysis, in younger participants <60 years old, presence of any IAM was associated with radiographic progression (HR: 1.90, 95% CI: 1.01-3.60). Conclusion Although the presence of any radiographic IAM increases with higher age and does not predict knee OA outcomes across the entire sample of OAI participants, it is associated with knee OA radiographic progression in participants aged <60.
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Key Words
- BMI, Body Mass Index
- CT, Computed Tomography
- IAM, Intra-articular mineralization
- JSN, Joint Space Narrowing
- MRI, Magnetic Resonance Imaging
- OA, Osteoarthritis
- OAI, Osteoarthritis Initiative
- OARSI, Osteoarthritis Research Society International
- PASE, Physical Activity Scale for the Elderly
- WOMAC, Western Ontario and McMaster universities osteoarthritis index
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Affiliation(s)
- Hamza Ahmed Ibad
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Robert M Kwee
- Department of Radiology, Zuyderland Medical Center, Heerlen/Sittard/Geleen, the Netherlands
| | - Elena Ghotbi
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Frank W Roemer
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA.,Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Ali Guermazi
- Department of Radiology, VA Boston Healthcare System, Boston University School of Medicine, Boston, MA, USA
| | - Shadpour Demehri
- The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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49
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Roemer FW, Hochberg MC, Carrino JA, Kompel AJ, Diaz L, Hayashi D, Crema MD, Guermazi A. Role of imaging for eligibility and safety of a-NGF clinical trials. Ther Adv Musculoskelet Dis 2023; 15:1759720X231171768. [PMID: 37284331 PMCID: PMC10240557 DOI: 10.1177/1759720x231171768] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 04/05/2023] [Indexed: 06/08/2023] Open
Abstract
Nerve growth factor (a-NGF) inhibitors have been developed for pain treatment including symptomatic osteoarthritis (OA) and have proven analgesic efficacy and improvement in functional outcomes in patients with OA. However, despite initial promising data, a-NGF clinical trials focusing on OA treatment had been suspended in 2010. Reasons were based on concerns regarding accelerated OA progression but were resumed in 2015 including detailed safety mitigation based on imaging. In 2021, an FDA advisory committee voted against approving tanezumab (one of the a-NGF compounds being evaluated) and declared that the risk evaluation and mitigation strategy was not sufficient to mitigate potential safety risks. Future clinical trials evaluating the efficacy of a-NGF or comparable molecules will need to define strict eligibility criteria and will have to include strategies to monitor safety closely. While disease-modifying effects are not the focus of a-NGF treatments, imaging plays an important role to evaluate eligibility of potential participants and to monitor safety during the course of these studies. Aim is to identify subjects with on-going safety findings at the time of inclusion, define those potential participants that are at increased risk for accelerated OA progression and to withdraw subjects from on-going studies in a timely fashion that exhibit imaging-confirmed structural safety events such as rapid progressive OA. OA efficacy- and a-NGF studies apply imaging for different purposes. In OA efficacy trials image acquisition and evaluation aims at maximizing sensitivity in order to capture structural effects between treated and non-treated participants in longitudinal fashion. In contrast, the aim of imaging in a-NGF trials is to enable detection of structural tissue alterations that either increase the risk of a negative outcome (eligibility) or may result in termination of treatment (safety).
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Affiliation(s)
- Frank W. Roemer
- Department of Radiology, Universitätsklinikum Erlangen & Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Maximiliansplatz 3, 91054 Erlangen, Germany
- Chobanian & Avedisian School of Medicine, Boston University, Boston, MA, USA
| | | | - John A. Carrino
- Department of Radiology & Imaging, Hospital for Special Surgery and Weill Cornell Medicine, New York, NY, USA
| | - Andrew J. Kompel
- Chobanian & Avedisian School of Medicine, Boston University, Boston MA, USA
| | - Luis Diaz
- Chobanian & Avedisian School of Medicine, Boston University, Boston MA, USA
| | - Daichi Hayashi
- Tufts Medical Center, Tufts Medicine, Boston, MA, USA
- Chobanian & Avedisian School of Medicine, Boston University, Boston MA, USA
| | - Michel D. Crema
- Institute of Sports Imaging, French National Institute of Sports (INSEP), Paris, France
- Chobanian & Avedisian School of Medicine, Boston University, Boston MA, USA
| | - Ali Guermazi
- Chobanian & Avedisian School of Medicine, Boston University, Boston MA, USA
- Boston VA Healthcare System, West Roxbury, MA, USA
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50
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Crema MD, Guermazi A, Roemer FW. Joint interventions in osteoarthritis. Skeletal Radiol 2023; 52:923-931. [PMID: 35982273 DOI: 10.1007/s00256-022-04150-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 08/04/2022] [Accepted: 08/04/2022] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) is among the most common diseases affecting both axial and appendicular joints and the lead cause of disability worldwide. OA incidence is rising due to extended life expectancy and the increasing obesity epidemic. Several joint interventions are available to manage pain and joint function in patients with OA, most of these treatments being widely applied using intra-articular injections. In this chapter, we will describe the different joint interventions available for the management of pain in OA focusing on intra-articular injections, including discussion on the evidence regarding the efficacy of these treatments, based on the most recent systematic reviews and meta-analyses available. We also discuss the importance of imaging in guiding these treatments, including the different imaging modalities available for intra-articular injection guidance, their advantages, and disadvantages. Finally, we briefly discuss safety data and the consensus regarding the most used intra-articular treatments to manage pain in OA.
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Affiliation(s)
- Michel D Crema
- Institute of Sports Imaging, Sports Medicine Department, French National Institute of Sports (INSEP), 11 avenue du Tremblay, 75012, Paris, France.
- Quantitative Imaging Center, Boston University School of Medicine, Boston, MA, USA.
| | - Ali Guermazi
- Quantitative Imaging Center, Boston University School of Medicine, Boston, MA, USA
- VA Boston Healthcare System, West Roxbury, MA, USA
| | - Frank W Roemer
- Quantitative Imaging Center, Boston University School of Medicine, Boston, MA, USA
- Department of Radiology, Universitätsklinikum Erlangen and Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
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