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Vassileva MT, Kim JS, Valle AGD, Harris MD, Pedoia V, Lattanzi R, Kraus VB, Pascual-Garrido C, Bostrom MP. Arthritis Foundation/HSS Workshop on Hip Osteoarthritis, Part 2: Detecting Hips at Risk: Early Biomechanical and Structural Mechanisms. HSS J 2023; 19:428-433. [PMID: 37937085 PMCID: PMC10626933 DOI: 10.1177/15563316231192097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 06/01/2023] [Indexed: 11/09/2023]
Abstract
Far more publications are available for osteoarthritis of the knee than of the hip. Recognizing this research gap, the Arthritis Foundation (AF), in partnership with the Hospital for Special Surgery (HSS), convened an in-person meeting of thought leaders to review the state of the science of and clinical approaches to hip osteoarthritis. This article summarizes the recommendations gleaned from 5 presentations given in the "early hip osteoarthritis" session of the 2023 Hip Osteoarthritis Clinical Studies Conference, which took place on February 17 and 18, 2023, in New York City. It also summarizes the workgroup recommendations from a small-group discussion on clinical research gaps.
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Affiliation(s)
| | | | | | - Michael D Harris
- Program in Physical Therapy, Washington University School of Medicine, St. Louis, MO, USA
| | | | - Riccardo Lattanzi
- Department of Radiology, NYU Grossman School of Medicine, New York, NY, USA
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Lattanzi R. Methods for the Clinical Translation of Quantitative MRI for the Evaluation of Patients With Femoroacetabular Impingement. HSS J 2023; 19:442-446. [PMID: 37937089 PMCID: PMC10626928 DOI: 10.1177/15563316231193404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 07/17/2023] [Indexed: 11/09/2023]
Affiliation(s)
- Riccardo Lattanzi
- Center for Advanced Imaging Innovation and Research (CAIR) and Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, USA
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Jones CE, Cibere J, Qian H, Zhang H, Guo Y, Russell D, Forster BB, Wong H, Esdaile JM, Wilson DR. Delayed Gadolinium-Enhanced Magnetic Resonance Imaging of Cartilage Values in Hips With Bone Marrow Lesions. Arthritis Care Res (Hoboken) 2022; 74:1997-2004. [PMID: 34137188 DOI: 10.1002/acr.24733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 04/28/2021] [Accepted: 06/15/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Bone marrow lesions (BMLs) are associated with painful and progressive osteoarthritis (OA). Quantitative magnetic resonance imaging (MRI) has been used to study early cartilage degeneration in knees with BML, but similar work has not been done in hips. The purpose of this study was to compare mean delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) relaxation values (T1Gd) in hips with BML to hips without BML in a population-based study. Reduced T1Gd suggests depleted glycosaminoglycan. Our hypothesis was that mean T1Gd is lower in hips with BML compared to hips without BML. METHODS Study participants (n = 128) were recruited from a cross-sectional population-based study of people ages 20-49 years with and without hip pain. dGEMRIC and proton density (PD)-weighted MRI scans of 1 hip from each participant were used for this analysis. BMLs were identified from PD-weighted fat-suppressed images. We applied a sampling-weighted linear regression model to determine the association of the presence of BMLs with mean cartilage T1Gd (significance: P < 0.05). The model was adjusted for age, sex, body mass index (BMI), hip pain, cam/pincer deformity, and physical activity. RESULTS Thirty-two (25%) of the 128 participants had at least 1 BML. Subjects with at least 1 BML, compared to those without, had similar weighted characteristics of age, BMI, physical activity levels, and frequency of hip pain. Mean T1Gd was 75.25 msec lower (95% confidence interval -149.69, -0.81; P = 0.048) (9%) in the BML compared to the no-BML group. CONCLUSION Our results suggest that hips with BMLs are associated with hip cartilage degeneration early in the OA disease process.
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Affiliation(s)
- Carly E Jones
- Centre for Hip Health and Mobility, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jolanda Cibere
- Arthritis Research Canada, Vancouver, British Columbia, Canada, and University of British Columbia, Vancouver, British Columbia, Canada
| | - Hong Qian
- Centre for Health Evaluation and Outcome Sciences, Vancouver, British Columbia, Canada
| | - Honglin Zhang
- Centre for Hip Health and Mobility, University of British Columbia, Vancouver, British Columbia, Canada
| | - Yimeng Guo
- Arthritis Research Canada, Vancouver, British Columbia, Canada
| | - David Russell
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Bruce B Forster
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Hubert Wong
- Centre for Health Evaluation and Outcome Sciences, Vancouver, British Columbia, Canada
| | - John M Esdaile
- Arthritis Research Canada, Vancouver, British Columbia, Canada
| | - David R Wilson
- Centre for Hip Health and Mobility, Department of Orthopedics, University of British Columbia, Vancouver, British Columbia, Canada
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Ruckli AC, Schmaranzer F, Meier MK, Lerch TD, Steppacher SD, Tannast M, Zeng G, Burger J, Siebenrock KA, Gerber N, Gerber K. Automated quantification of cartilage quality for hip treatment decision support. Int J Comput Assist Radiol Surg 2022; 17:2011-2021. [PMID: 35976596 PMCID: PMC9515031 DOI: 10.1007/s11548-022-02714-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 06/30/2022] [Indexed: 11/30/2022]
Abstract
Purpose Preservation surgery can halt the progress of joint degradation, preserving the life of the hip; however, outcome depends on the existing cartilage quality. Biochemical analysis of the hip cartilage utilizing MRI sequences such as delayed gadolinium-enhanced MRI of cartilage (dGEMRIC), in addition to morphological analysis, can be used to detect early signs of cartilage degradation. However, a complete, accurate 3D analysis of the cartilage regions and layers is currently not possible due to a lack of diagnostic tools. Methods A system for the efficient automatic parametrization of the 3D hip cartilage was developed. 2D U-nets were trained on manually annotated dual-flip angle (DFA) dGEMRIC for femoral head localization and cartilage segmentation. A fully automated cartilage sectioning pipeline for analysis of central and peripheral regions, femoral-acetabular layers, and a variable number of section slices, was developed along with functionality for the automatic calculation of dGEMRIC index, thickness, surface area, and volume. Results The trained networks locate the femoral head and segment the cartilage with a Dice similarity coefficient of 88 ± 3 and 83 ± 4% on DFA and magnetization-prepared 2 rapid gradient-echo (MP2RAGE) dGEMRIC, respectively. A completely automatic cartilage analysis was performed in 18s, and no significant difference for average dGEMRIC index, volume, surface area, and thickness calculated on manual and automatic segmentation was observed. Conclusion An application for the 3D analysis of hip cartilage was developed for the automated detection of subtle morphological and biochemical signs of cartilage degradation in prognostic studies and clinical diagnosis. The segmentation network achieved a 4-time increase in processing speed without loss of segmentation accuracy on both normal and deformed anatomy, enabling accurate parametrization. Retraining of the networks with the promising MP2RAGE protocol would enable analysis without the need for B1 inhomogeneity correction in the future.
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Affiliation(s)
- Adrian C Ruckli
- sitem Center for Translational Medicine and Biomedical Entrepreneurship, Personalised Medicine, University of Bern, Bern, Switzerland
| | - Florian Schmaranzer
- Department of Diagnostic-, Interventional- and Pediatric Radiology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Malin K Meier
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Till D Lerch
- Department of Diagnostic-, Interventional- and Pediatric Radiology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Simon D Steppacher
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Moritz Tannast
- Department of Orthopaedic Surgery and Traumatology, Fribourg Cantonal Hospital, University of Fribourg, Fribourg, Switzerland
| | - Guodong Zeng
- sitem Center for Translational Medicine and Biomedical Entrepreneurship, Personalised Medicine, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery and Traumatology, Fribourg Cantonal Hospital, University of Fribourg, Fribourg, Switzerland
| | - Jürgen Burger
- sitem Center for Translational Medicine and Biomedical Entrepreneurship, Personalised Medicine, University of Bern, Bern, Switzerland
| | - Klaus A Siebenrock
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital of Bern, Bern, Switzerland
| | - Nicolas Gerber
- sitem Center for Translational Medicine and Biomedical Entrepreneurship, Personalised Medicine, University of Bern, Bern, Switzerland.
| | - Kate Gerber
- sitem Center for Translational Medicine and Biomedical Entrepreneurship, Personalised Medicine, University of Bern, Bern, Switzerland
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Ben-Eliezer N, Raya JG, Babb JS, Youm T, Sodickson DK, Lattanzi R. A New Method for Cartilage Evaluation in Femoroacetabular Impingement Using Quantitative T2 Magnetic Resonance Imaging: Preliminary Validation against Arthroscopic Findings. Cartilage 2021; 13:1315S-1323S. [PMID: 31455091 PMCID: PMC8808928 DOI: 10.1177/1947603519870852] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE The outcome of arthroscopic treatment for femoroacetabular impingement (FAI) depends on the preoperative status of the hip cartilage. Quantitative T2 can detect early biochemical cartilage changes, but its routine implementation is challenging. Furthermore, intrinsic T2 variability between patients makes it difficult to define a threshold to identify cartilage lesions. To address this, we propose a normalized T2-index as a new method to evaluate cartilage in FAI. DESIGN We retrospectively analyzed magnetic resonance imaging (MRI) data of 18 FAI patients with arthroscopically confirmed cartilage defects. Cartilage T2 maps were reconstructed from multi-spin-echo 3-T data using the echo-modulation-curve (EMC) model-based technique. The central femoral cartilage, assumed healthy in early-stage FAI, was used as the normalization reference to define a T2-index. We investigated the ability of the T2-index to detect surgically confirmed cartilage lesions. RESULTS The average T2-index was 1.14 ± 0.1 and 1.13 ± 0.1 for 2 separated segmentations. Using T2-index >1 as the threshold for damaged cartilage, accuracy was 88% and 100% for the 2 segmentations. We found moderate intraobserver repeatability, although separate segmentations yielded comparable accuracy. Damaged cartilage could not be identified using nonnormalized average T2 values. CONCLUSIONS This preliminary study confirms the importance of normalizing T2 values to account for interpatient variability and suggests that the T2-index is a promising biomarker for the detection of cartilage lesions in FAI. Future work is needed to confirm that combining T2-index with morphologic MRI and other quantitative biomarkers could improve cartilage assessment in FAI.
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Affiliation(s)
- Noam Ben-Eliezer
- Center for Advanced Imaging Innovation
and Research (CAI2R) and Bernard and Irene Schwartz Center for Biomedical Imaging,
Department of Radiology, New York University School of Medicine, New York, NY,
USA
| | - José G. Raya
- Center for Advanced Imaging Innovation
and Research (CAI2R) and Bernard and Irene Schwartz Center for Biomedical Imaging,
Department of Radiology, New York University School of Medicine, New York, NY,
USA,The Sackler Institute of Graduate
Biomedical Sciences, New York University School of Medicine, New York, NY, USA
| | - James S. Babb
- Center for Advanced Imaging Innovation
and Research (CAI2R) and Bernard and Irene Schwartz Center for Biomedical Imaging,
Department of Radiology, New York University School of Medicine, New York, NY,
USA
| | - Thomas Youm
- Department of Orthopedic Surgery, New
York University Hospital for Joint Diseases, New York, NY, USA
| | - Daniel K. Sodickson
- Center for Advanced Imaging Innovation
and Research (CAI2R) and Bernard and Irene Schwartz Center for Biomedical Imaging,
Department of Radiology, New York University School of Medicine, New York, NY,
USA,The Sackler Institute of Graduate
Biomedical Sciences, New York University School of Medicine, New York, NY, USA
| | - Riccardo Lattanzi
- Center for Advanced Imaging Innovation
and Research (CAI2R) and Bernard and Irene Schwartz Center for Biomedical Imaging,
Department of Radiology, New York University School of Medicine, New York, NY,
USA,The Sackler Institute of Graduate
Biomedical Sciences, New York University School of Medicine, New York, NY, USA,Riccardo Lattanzi, The Bernard and Irene
Schwartz Center for Biomedical Imaging, New York University Langone Health, 660
First Avenue Room 203, New York, NY 10016, USA.
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Hunter DJ, Eyles J, Murphy NJ, Spiers L, Burns A, Davidson E, Dickenson E, Fary C, Foster NE, Fripp J, Griffin DR, Hall M, Kim YJ, Linklater JM, Molnar R, Neubert A, O'Connell RL, O'Donnell J, O'Sullivan M, Randhawa S, Reichenbach S, Schmaranzer F, Singh P, Tran P, Wilson D, Zhang H, Bennell KL. Multi-centre randomised controlled trial comparing arthroscopic hip surgery to physiotherapist-led care for femoroacetabular impingement (FAI) syndrome on hip cartilage metabolism: the Australian FASHIoN trial. BMC Musculoskelet Disord 2021; 22:697. [PMID: 34399702 PMCID: PMC8369620 DOI: 10.1186/s12891-021-04576-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/04/2021] [Indexed: 11/29/2022] Open
Abstract
Background Arthroscopic surgery for femoroacetabular impingement syndrome (FAI) is known to lead to self-reported symptom improvement. In the context of surgical interventions with known contextual effects and no true sham comparator trials, it is important to ascertain outcomes that are less susceptible to placebo effects. The primary aim of this trial was to determine if study participants with FAI who have hip arthroscopy demonstrate greater improvements in delayed gadolinium-enhanced magnetic resonance imaging (MRI) of cartilage (dGEMRIC) index between baseline and 12 months, compared to participants who undergo physiotherapist-led management. Methods Multi-centre, pragmatic, two-arm superiority randomised controlled trial comparing physiotherapist-led management to hip arthroscopy for FAI. FAI participants were recruited from participating orthopaedic surgeons clinics, and randomly allocated to receive either physiotherapist-led conservative care or surgery. The surgical intervention was arthroscopic FAI surgery. The physiotherapist-led conservative management was an individualised physiotherapy program, named Personalised Hip Therapy (PHT). The primary outcome measure was change in dGEMRIC score between baseline and 12 months. Secondary outcomes included a range of patient-reported outcomes and structural measures relevant to FAI pathoanatomy and hip osteoarthritis development. Interventions were compared by intention-to-treat analysis. Results Ninety-nine participants were recruited, of mean age 33 years and 58% male. Primary outcome data were available for 53 participants (27 in surgical group, 26 in PHT). The adjusted group difference in change at 12 months in dGEMRIC was -59 ms (95%CI − 137.9 to - 19.6) (p = 0.14) favouring PHT. Hip-related quality of life (iHOT-33) showed improvements in both groups with the adjusted between-group difference at 12 months showing a statistically and clinically important improvement in arthroscopy of 14 units (95% CI 5.6 to 23.9) (p = 0.003). Conclusion The primary outcome of dGEMRIC showed no statistically significant difference between PHT and arthroscopic hip surgery at 12 months of follow-up. Patients treated with surgery reported greater benefits in symptoms at 12 months compared to PHT, but these benefits are not explained by better hip cartilage metabolism. Trial registration details Australia New Zealand Clinical Trials Registry reference: ACTRN12615001177549. Trial registered 2/11/2015. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-021-04576-z.
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Affiliation(s)
- David J Hunter
- Institute of Bone and Joint Research, Kolling Institute of Medical Research, University of Sydney, Camperdown, Australia. .,Department of Rheumatology, Royal North Shore Hospital, Sydney, Australia.
| | - Jillian Eyles
- Institute of Bone and Joint Research, Kolling Institute of Medical Research, University of Sydney, Camperdown, Australia.,Department of Rheumatology, Royal North Shore Hospital, Sydney, Australia
| | - Nicholas J Murphy
- Institute of Bone and Joint Research, Kolling Institute of Medical Research, University of Sydney, Camperdown, Australia.,Department of Orthopaedic Surgery, Gosford and Wyong Hospitals, Gosford, New South Wales, Australia
| | - Libby Spiers
- Department of Physiotherapy, Centre for Health, Exercise and Sports Medicine, University of Melbourne, Parkville, Australia
| | | | - Emily Davidson
- Department of Radiology, Royal Prince Alfred Hospital, Sydney, New South Wales, 2035, Australia
| | - Edward Dickenson
- Warwick Medical School, University of Warwick, Coventry, UK.,University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Camdon Fary
- Department of Orthopaedic Surgery, Western Health, Melbourne, Australia.,Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St. Albans, VIC, Australia
| | - Nadine E Foster
- STARS Education and Research Alliance, School of Health and Rehabilitation Sciences, University of Queensland, St Lucia, Australia.,Primary Care Centre Versus Arthritis, School of Medicine, Keele University, Newcastle upon Tyne, UK
| | - Jurgen Fripp
- The Australian e-Health Research Centre, CSIRO Health and Biosecurity, Brisbane, Australia
| | | | - Michelle Hall
- Department of Physiotherapy, Centre for Health, Exercise and Sports Medicine, University of Melbourne, Parkville, Australia
| | - Young Jo Kim
- Department of Orthopedic Surgery, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - James M Linklater
- Department of Musculoskeletal Imaging, Castlereagh Imaging, St Leonards, New South Wales, Australia
| | - Robert Molnar
- Sydney Orthopaedic Trauma & Reconstructive Surgery, Sydney, New South Wales, Australia
| | - Ales Neubert
- The Australian e-Health Research Centre, CSIRO Health and Biosecurity, Brisbane, Australia
| | - Rachel L O'Connell
- Institute of Bone and Joint Research, Kolling Institute of Medical Research, University of Sydney, Camperdown, Australia.,NHMRC Clinical Trials Centre, University of Sydney, Camperdown, Australia
| | - John O'Donnell
- Hip Arthroscopy Australia, 21 Erin St, Richmond, Victoria, Australia.,St Vincent's Private Hospital, 159 Grey St, East Melbourne, Victoria, Australia
| | - Michael O'Sullivan
- North Sydney Orthopaedic and Sports Medicine Centre, North Sydney, New South Wales, Australia
| | - Sunny Randhawa
- Macquarie University Hospital, 3 Technology Pl, Macquarie University, Macquarie Park, NSW, 2109, Australia
| | - Stephan Reichenbach
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.,Department of Rheumatology, Immunology and Allergology, University Hospital and University of Bern, Bern, Switzerland.,Department Diagnostic, Interventional and Paediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Florian Schmaranzer
- Department Diagnostic, Interventional and Paediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Parminder Singh
- Hip Arthroscopy Australia, 21 Erin St, Richmond, Victoria, Australia.,Maroondah Hospital, Eastern Health, Davey Drive, Ringwood East, Melbourne, Victoria, 3135, Australia
| | - Phong Tran
- Department of Orthopaedic Surgery, Western Health, Melbourne, Australia.,Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St. Albans, VIC, Australia
| | - David Wilson
- Department of Orthopaedics, Center for Hip Health and Mobility, University of British Columbia, Vancouver, BC, Canada
| | - Honglin Zhang
- Department of Orthopaedics, Center for Hip Health and Mobility, University of British Columbia, Vancouver, BC, Canada
| | - Kim L Bennell
- Department of Physiotherapy, Centre for Health, Exercise and Sports Medicine, University of Melbourne, Parkville, Australia
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Lerch TD, Ambühl D, Schmaranzer F, Todorski IAS, Steppacher SD, Hanke MS, Haefeli PC, Liechti EF, Siebenrock KA, Tannast M. Biochemical MRI With dGEMRIC Corresponds to 3D-CT Based Impingement Location for Detection of Acetabular Cartilage Damage in FAI Patients. Orthop J Sports Med 2021; 9:2325967120988175. [PMID: 33816640 PMCID: PMC7988263 DOI: 10.1177/2325967120988175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 09/30/2020] [Indexed: 01/20/2023] Open
Abstract
Background Anterior femoroacetabular impingement (FAI) is associated with labral tears and acetabular cartilage damage in athletic and young patients. Delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC) is an imaging method for detecting early damage to cartilage. Purpose We evaluated the following questions: (1) What is the sensitivity and specificity of morphological magnetic resonance imaging (MRI) and dGEMRIC for detecting cartilage damage? Do the mean acetabular and femoral dGEMRIC indices differ between (2) superior acetabular clock positions with and without impingement and (3) between cam- and pincer-type FAI? Study Design Cohort study (diagnosis); Level of evidence, 2. Methods This was a retrospective comparative study of 21 hips (20 patients with symptomatic anterior FAI) without osteoarthritis on anteroposterior radiographs. Morphological MRI and dGEMRIC (3.0-T, 3-dimensional [3D] T1 maps, dual-flip angle technique) of the same hip joint were compared. Intraoperative acetabular cartilage damage was assessed in patients who underwent surgical treatment. Computed tomography (CT)-based 3D bone models of the same hip joint were used as the gold standard for the detection of impingement, and dGEMRIC indices and zones of morphologic damage were compared with the CT-based impingement zones. Results Of the 21 hips, 10 had cam-type FAI and 8 had pincer-type FAI according to radiographs. The mean age was 30 ± 9 years (range, 17-48 years), 71% were female, and surgical treatment was performed in 52%. We found a significantly higher sensitivity (69%) for dGEMRIC compared with morphological MRI (42%) in the detection of cartilage damage (P < .001). The specificity of dGEMRIC was 83% and accuracy was 78%. The mean peripheral acetabular and femoral dGEMRIC indices for clock positions with impingement (485 ± 141 and 440 ± 121 ms) were significantly lower compared with clock positions without impingement (596 ± 183 and 534 ± 129 ms) (P < .001). Hips with cam-type FAI had significantly lower acetabular dGEMRIC indices compared with hips with pincer-type FAI on the anterosuperior clock positions (1 to 3 o'clock) (P = .018). Conclusion MRI with dGEMRIC was more sensitive than morphological MRI, and lower dGEMRIC values were found for clock positions with impingement as detected on 3D-CT. This could aid in patient-specific diagnosis of FAI, preoperative patient selection, and surgical decision making to identify patients with cartilage damage who are at risk for inferior outcomes after hip arthroscopy.
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Affiliation(s)
- Till D Lerch
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.,Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Dimitri Ambühl
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.,Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Florian Schmaranzer
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.,Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Inga A S Todorski
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.,Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Simon D Steppacher
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Markus S Hanke
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Pascal C Haefeli
- Department of Orthopaedic Surgery, Lucerne Cantonal Hospital, Lucerne, Switzerland
| | - Emanuel F Liechti
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Klaus A Siebenrock
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Moritz Tannast
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.,Department of Orthopaedic Surgery, Fribourg Cantonal Hospital, University of Fribourg, Fribourg, Switzerland
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8
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Tahoun MF, Tey M, Ormazabal I, Elsayed AS, Said HG, Monllau JC. Promising radiological outcome after repair of acetabular chondral defects by microfracture augmented with chitosan-based scaffold: mid-term T2 mapping evaluation. Knee Surg Sports Traumatol Arthrosc 2021; 29:324-328. [PMID: 32462269 DOI: 10.1007/s00167-020-06068-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 05/14/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE Radiological evaluation of the repair tissue produced after arthroscopic treatment of acetabular chondral lesions associated with femoroacetabular impingement (FAI) by the chitosan-based scaffold. METHODS Patients of age 18-55 years with clinical and radiological features of FAI and non-arthritic non-dysplastic hips were selected for arthroscopic treatment. Full-thickness acetabular chondral defects were filled with chitosan-based scaffold material after microfracture. T2 mapping was carried out for all patients after 24 months using a 1.5-T machine. Nine regions of interest (ROIs) were localized from three consecutive sagittal slices including the area of repair. T2 relaxation times of ROIs in the repair area were compared with the corresponding posterior cartilage. RESULTS Twenty-one patients, 17 men and 4 women, underwent arthroscopic treatment of full-thickness acetabular chondral defects with mean size of 3.6 ± 1 cm2 (range 2-6 cm2). Zone 2 was affected in all cases while zone 3 was involved in 13 cases. T2 relaxation values were collected from 189 ROIs for quantitative analysis. Within the peripheral repair area, the mean T2 value was 49.1 ± 7.2 ms (ms), while ROIs of the central repair area had mean T2 values of 50.2 ± 7.1 ms. Posterior cartilage showed mean T2 value of 46.2 ± 7.6 ms CONCLUSION: Arthroscopic microfracture of large full-thickness acetabular chondral defects with chitosan-based scaffold produced a homogenous repair tissue similar to the corresponding native cartilage of the same joint on quantitative T2 mapping at mid-term follow-up. CLINICAL RELEVANCE augmentation of the microfracture by chitosan-based scaffold is a promising modality for treatment of large full-thickness acetabular defects. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Mahmoud Fathy Tahoun
- Department of Orthopedics, Menoufia University, Shibīn al-Kawm, Egypt.
- Department of Orthopedics, Parc de Salut Mar, UAB, Hospital de l'Esperanca, Sant Josep de la Muntanya, 12, 08024, Barcelona, Spain.
| | - Marc Tey
- Department of Orthopedics, Parc de Salut Mar, UAB, Hospital de l'Esperanca, Sant Josep de la Muntanya, 12, 08024, Barcelona, Spain
- Hip Unit, iMove Traumatologia, Clínica Mitrestorres, Barcelona, Spain
| | | | | | | | - Joan Carles Monllau
- Department of Orthopedics, Parc de Salut Mar, UAB, Hospital de l'Esperanca, Sant Josep de la Muntanya, 12, 08024, Barcelona, Spain
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9
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Bhattarai A, Pouran B, Mäkelä JTA, Shaikh R, Honkanen MKM, Prakash M, Kröger H, Grinstaff MW, Weinans H, Jurvelin JS, Töyräs J. Dual contrast in computed tomography allows earlier characterization of articular cartilage over single contrast. J Orthop Res 2020; 38:2230-2238. [PMID: 32525582 DOI: 10.1002/jor.24774] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 05/14/2020] [Accepted: 05/28/2020] [Indexed: 02/04/2023]
Abstract
Cationic computed tomography contrast agents are more sensitive for detecting cartilage degeneration than anionic or non-ionic agents. However, osteoarthritis-related loss of proteoglycans and increase in water content contrarily affect the diffusion of cationic contrast agents, limiting their sensitivity. The quantitative dual-energy computed tomography technique allows the simultaneous determination of the partitions of iodine-based cationic (CA4+) and gadolinium-based non-ionic (gadoteridol) agents in cartilage at diffusion equilibrium. Normalizing the cationic agent partition at diffusion equilibrium with that of the non-ionic agent improves diagnostic sensitivity. We hypothesize that this sensitivity improvement is also prominent during early diffusion time points and that the technique is applicable during contrast agent diffusion. To investigate the validity of this hypothesis, osteochondral plugs (d = 8 mm, N = 33), extracted from human cadaver (n = 4) knee joints, were immersed in a contrast agent bath (a mixture of CA4+ and gadoteridol) and imaged using the technique at multiple time points until diffusion equilibrium. Biomechanical testing and histological analysis were conducted for reference. Quantitative dual-energy computed tomography technique enabled earlier determination of cartilage proteoglycan content over single contrast. The correlation coefficient between human articular cartilage proteoglycan content and CA4+ partition increased with the contrast agent diffusion time. Gadoteridol normalized CA4+ partition correlated significantly (P < .05) with Mankin score at all time points and with proteoglycan content after 4 hours. The technique is applicable during diffusion, and normalization with gadoteridol partition improves the sensitivity of the CA4+ contrast agent.
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Affiliation(s)
- Abhisek Bhattarai
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.,Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland
| | - Behdad Pouran
- Department of Orthopaedic, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Janne T A Mäkelä
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Rubina Shaikh
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Miitu K M Honkanen
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.,Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland
| | - Mithilesh Prakash
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.,Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland
| | - Heikki Kröger
- Department of Orthopedics, Traumatology and Hand Surgery, Kuopio University Hospital, Kuopio, Finland
| | - Mark W Grinstaff
- Departments of Biomedical Engineering, Chemistry, and Medicine, Boston University, Boston, Massachusetts
| | - Harrie Weinans
- Department of Orthopaedic, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology (TU Delft), Delft, The Netherlands.,Department of Rheumatology, University Medical Center, Utrecht, The Netherlands
| | - Jukka S Jurvelin
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Juha Töyräs
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.,Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland.,School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane, Australia
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10
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Chahla J, Beck EC, Okoroha K, Cancienne JM, Kunze KN, Nho SJ. Prevalence and Clinical Implications of Chondral Injuries After Hip Arthroscopic Surgery for Femoroacetabular Impingement Syndrome. Am J Sports Med 2019; 47:2626-2635. [PMID: 31411901 DOI: 10.1177/0363546519865912] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Studies on the effect of partial- and full-thickness chondral damage of the hip on outcomes and the ability to achieve meaningful clinical outcomes are limited. PURPOSE To determine the effect of full- and partial-thickness chondral injuries on 2-year outcomes in patients undergoing hip arthroscopic surgery for femoroacetabular impingement syndrome (FAIS) compared with patients without chondral damage, and to identify significant predictors of achieving the patient acceptable symptomatic state (PASS) and minimal clinically important difference (MCID). STUDY DESIGN Case-control study; Level of evidence, 3. METHODS Data from consecutive patients with evidence of chondromalacia at the time of primary hip arthroscopic surgery with routine capsular closure for the treatment of FAIS by a single fellowship-trained surgeon between January 2012 and September 2016 were reviewed. Patients were divided into groups with partial-thickness (grade I-III) or full-thickness (grade IV) chondral defects and matched by age and body mass index (BMI) to patients without chondral injuries. Preoperative and postoperative outcomes were compared among the 3 groups, and a binary logistic regression analysis was utilized to identify significant predictors of achieving the MCID and PASS. RESULTS There were 634 patients included in the analysis, with a mean age of 34.5 ± 10.9 years and a mean BMI of 25.2 ± 4.7 kg/m2. A total of 493 (77.8%) patients had no evidence of chondral damage, 92 (14.5%) patients had partial-thickness chondral defects, and 49 (7.7%) patients had full-thickness chondral defects. There were statistically significant differences in the Hip Outcome Score (HOS)-Activities of Daily Living, HOS-Sports Subscale, modified Harris Hip Score, pain, and satisfaction (P < .01) among the 3 groups. Patients with grade IV chondromalacia experienced the poorest outcomes and lowest percentage of achieving the PASS. Predictors for achieving any PASS threshold included preoperative alpha angle (odds ratio [OR], 0.96; P = .016), absence of preoperative limping (OR, 7.25; P = .002), absence of preoperative chronic pain (OR, 5.83; P = .019), primary hip arthroscopic surgery (OR, 0.17; P = .050), patients who self-identified as runners (OR, 2.27; P = .037), and Tönnis grade 0 (OR, 2.86; P = .032). Male sex (OR, 2.49; P = .015) was the only predictor of achieving any MCID threshold. CONCLUSION Patients with grade IV chondral defects experienced worse functional outcomes, lower satisfaction, and increased pain when compared with both patients without chondral damage or grade I-III chondromalacia at 2-year follow-up. Several predictors were associated with achieving clinically significant function in patients undergoing hip arthroscopic surgery for FAIS.
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Affiliation(s)
- Jorge Chahla
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Edward C Beck
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Kelechi Okoroha
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Jourdan M Cancienne
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Kyle N Kunze
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Shane J Nho
- Section of Young Adult Hip Surgery, Division of Sports Medicine, Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
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11
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Dallich AA, Rath E, Atzmon R, Radparvar JR, Fontana A, Sharfman Z, Amar E. Chondral lesions in the hip: a review of relevant anatomy, imaging and treatment modalities. J Hip Preserv Surg 2019; 6:3-15. [PMID: 31069090 PMCID: PMC6501440 DOI: 10.1093/jhps/hnz002] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 12/13/2018] [Accepted: 02/03/2019] [Indexed: 12/20/2022] Open
Abstract
The diagnosis and treatment of chondral lesions in the hip is an ongoing challenge in orthopedics. Chondral lesions are common and several classification systems exist to classify them based on severity, location, radiographic parameters, and potential treatment options. When working up a patient with a potential hip chondral lesion, a complete history, thorough physical exam, and ancillary imaging are necessary. The physical exam is performed with the patient in standing, supine, prone, and lateral positions. Plain film radiographs are indicated as the first line of imaging; however, magnetic resonance arthrogram is currently the gold standard modality for the diagnosis of chondral lesions outside of diagnostic arthroscopy. Multiple treatment modalities to address chondral lesions in the hip exist and new treatment modalities continue to be developed. Currently, chondroplasty, microfracture, cartilage transplants (osteochondral autograft transfer, mosaicplasty, Osteochondral allograft transplantation) and incorporation of orthobiologics (Autologous chondrocyte implantation, Autologous matrix-induced chondrogenesis, Mononuclear concentrate in platelet-rich plasma) are some techniques that have been successfully applied to address chondral pathology in the hip. Further refinement of these modalities and research in novel techniques continues to advance a surgeon’s ability to address chondral lesions in the hip joint.
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Affiliation(s)
- Alison A Dallich
- Division of Orthopaedic Surgery, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ehud Rath
- Division of Orthopaedic Surgery, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ran Atzmon
- Department of Orthopedics, Assuta Medical Center, Ashdod, Israel
| | - Joshua R Radparvar
- Division of Orthopaedic Surgery, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Andrea Fontana
- Orthopaedics Department, C.O.F. Lanzo Hospital, Como, Italy in association with the Orthopaedics Department, University of Pavia, Pavia, Italy
| | - Zachary Sharfman
- Department of Orthopedic Surgery, Montefiore Medical Center, The University Hospital for Albert Einstein College of Medicine, USA
| | - Eyal Amar
- Division of Orthopaedic Surgery, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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12
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Affiliation(s)
| | | | - O Kenechi Nwawka
- Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, USA
| | - Hollis G Potter
- Sports Health Associate Editor for Imaging, Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, USA
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13
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Multi-scale imaging techniques to investigate solute transport across articular cartilage. J Biomech 2018; 78:10-20. [DOI: 10.1016/j.jbiomech.2018.06.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 06/11/2018] [Accepted: 06/19/2018] [Indexed: 12/31/2022]
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14
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Guo Y, Zhang H, Qian H, Wilson DR, Wong H, Barber M, Forster BB, Esdaile J, Cibere J. Association of Femoroacetabular Impingement and Delayed Gadolinium-Enhanced Magnetic Resonance Imaging of Cartilage: A Population-Based Study. Arthritis Care Res (Hoboken) 2018; 70:1160-1168. [DOI: 10.1002/acr.23463] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 10/31/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Yimeng Guo
- Arthritis Research Canada; Richmond British Columbia Canada
| | - Honglin Zhang
- University of British Columbia and Vancouver Coastal Health Research Institute; Vancouver British Columbia Canada
| | - Hong Qian
- St. Paul's Hospital; Vancouver British Columbia Canada
| | - David R. Wilson
- University of British Columbia and Vancouver Coastal Health Research Institute; Vancouver British Columbia Canada
| | - Hubert Wong
- University of British Columbia, St. Paul's Hospital, and Canadian HIV Trials Network; Vancouver British Columbia Canada
| | - Morgan Barber
- Arthritis Research Canada; Richmond British Columbia Canada
| | - Bruce B. Forster
- University of British Columbia, Vancouver Coastal Health Research Institute, and Providence Health Care; Vancouver British Columbia Canada
| | - John Esdaile
- Arthritis Research Canada, Richmond; and University of British Columbia, Vancouver, British Columbia; and University of Calgary; Calgary Alberta Canada
| | - Jolanda Cibere
- Arthritis Research Canada, Richmond; and University of British Columbia; Vancouver British Columbia Canada
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15
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Murphy NJ, Eyles J, Bennell KL, Bohensky M, Burns A, Callaghan FM, Dickenson E, Fary C, Grieve SM, Griffin DR, Hall M, Hobson R, Kim YJ, Linklater JM, Lloyd DG, Molnar R, O’Connell RL, O’Donnell J, O’Sullivan M, Randhawa S, Reichenbach S, Saxby DJ, Singh P, Spiers L, Tran P, Wrigley TV, Hunter DJ. Protocol for a multi-centre randomised controlled trial comparing arthroscopic hip surgery to physiotherapy-led care for femoroacetabular impingement (FAI): the Australian FASHIoN trial. BMC Musculoskelet Disord 2017; 18:406. [PMID: 28950859 PMCID: PMC5615805 DOI: 10.1186/s12891-017-1767-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 09/21/2017] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND Femoroacetabular impingement syndrome (FAI), a hip disorder affecting active young adults, is believed to be a leading cause of hip osteoarthritis (OA). Current management approaches for FAI include arthroscopic hip surgery and physiotherapy-led non-surgical care; however, there is a paucity of clinical trial evidence comparing these approaches. In particular, it is unknown whether these management approaches modify the future risk of developing hip OA. The primary objective of this randomised controlled trial is to determine if participants with FAI who undergo hip arthroscopy have greater improvements in hip cartilage health, as demonstrated by changes in delayed gadolinium-enhanced magnetic resonance imaging (MRI) of cartilage (dGEMRIC) index between baseline and 12 months, compared to those who undergo physiotherapy-led non-surgical management. METHODS This is a pragmatic, multi-centre, two-arm superiority randomised controlled trial comparing hip arthroscopy to physiotherapy-led management for FAI. A total of 140 participants with FAI will be recruited from the clinics of participating orthopaedic surgeons, and randomly allocated to receive either surgery or physiotherapy-led non-surgical care. The surgical intervention involves arthroscopic FAI surgery from one of eight orthopaedic surgeons specialising in this field, located in three different Australian cities. The physiotherapy-led non-surgical management is an individualised physiotherapy program, named Personalised Hip Therapy (PHT), developed by a panel to represent the best non-operative care for FAI. It entails at least six individual physiotherapy sessions over 12 weeks, and up to ten sessions over six months, provided by experienced musculoskeletal physiotherapists trained to deliver the PHT program. The primary outcome measure is the change in dGEMRIC score of a ROI containing both acetabular and femoral head cartilages at the chondrolabral transitional zone of the mid-sagittal plane between baseline and 12 months. Secondary outcomes include patient-reported outcomes and several structural and biomechanical measures relevant to the pathogenesis of FAI and development of hip OA. Interventions will be compared by intention-to-treat analysis. DISCUSSION The findings will help determine whether hip arthroscopy or an individualised physiotherapy program is superior for the management of FAI, including for the prevention of hip OA. TRIAL REGISTRATION Australia New Zealand Clinical Trials Registry reference: ACTRN12615001177549 . Trial registered 2/11/2015 (retrospectively registered).
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Affiliation(s)
- Nicholas J. Murphy
- Kolling Institute of Medical Research, Institute of Bone and Joint Research, University of Sydney, Camperdown, Australia
- Department of Rheumatology, Royal North Shore Hospital, St Leonards, Australia
| | - Jillian Eyles
- Kolling Institute of Medical Research, Institute of Bone and Joint Research, University of Sydney, Camperdown, Australia
- Department of Rheumatology, Royal North Shore Hospital, St Leonards, Australia
| | - Kim L. Bennell
- Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, University of Melbourne, Melbourne, Australia
| | - Megan Bohensky
- Melbourne EpiCentre, University of Melbourne, Melbourne, Australia
| | | | - Fraser M. Callaghan
- Sydney Translational Imaging Laboratory, Heart Research Institute, Charles Perkins Centre, University of Sydney, Camperdown, Australia
- Sydney Medical School, University of Sydney, Camperdown, Australia
| | - Edward Dickenson
- Warwick Medical School, University of Warwick, Coventry, UK and University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Camdon Fary
- Department of Orthopaedic Surgery, Western Health, Melbourne, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St Albans, Melbourne, VIC Australia
| | - Stuart M. Grieve
- Sydney Translational Imaging Laboratory, Heart Research Institute, Charles Perkins Centre, University of Sydney, Camperdown, Australia
- Sydney Medical School, University of Sydney, Camperdown, Australia
| | - Damian R. Griffin
- Warwick Medical School, University of Warwick, Coventry, UK and University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Michelle Hall
- Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, University of Melbourne, Melbourne, Australia
| | - Rachel Hobson
- Warwick Medical School, University of Warwick, Coventry, UK and University Hospitals of Coventry and Warwickshire NHS Trust, Coventry, UK
| | - Young Jo Kim
- Department of Orthopedic Surgery, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115 USA
| | - James M. Linklater
- Department of Musculoskeletal Imaging, Castlereagh Sports Imaging Centre, St Leonards, NSW Australia
| | - David G. Lloyd
- Gold Coast Orthopaedic Research and Education Alliance, Menzies Health Institute Queensland, Griffith University, Nathan, Australia
- School of Allied Health Sciences, Griffith University, Nathan, Australia
| | - Robert Molnar
- Sydney Orthopaedic Trauma & Reconstructive Surgery, Sydney, NSW Australia
| | - Rachel L. O’Connell
- Department of Rheumatology, Royal North Shore Hospital, St Leonards, Australia
- NHMRC Clinical Trials Centre, University of Sydney, Camperdown, Australia
| | - John O’Donnell
- Hip Arthroscopy Australia, 21 Erin St, Richmond, VIC Australia
- St Vincent’s Private Hospital, 159 Grey St, East Melbourne, VIC Australia
| | - Michael O’Sullivan
- North Sydney Orthopaedic and Sports Medicine Centre, North Sydney, NSW Australia
| | - Sunny Randhawa
- Macquarie University Hospital, 3 Technology Pl, Macquarie University, Sydney, NSW 2109 Australia
| | - Stephan Reichenbach
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
- Department of Rheumatology, Immunology and Allergology, University Hospital and University of Bern, Bern, Switzerland
| | - David J. Saxby
- Gold Coast Orthopaedic Research and Education Alliance, Menzies Health Institute Queensland, Griffith University, Nathan, Australia
- School of Allied Health Sciences, Griffith University, Nathan, Australia
| | - Parminder Singh
- Hip Arthroscopy Australia, 21 Erin St, Richmond, VIC Australia
- Maroondah Hospital, Eastern Health, Davey Drive, Ringwood East, Melbourne, VIC 3135 Australia
| | - Libby Spiers
- Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, University of Melbourne, Melbourne, Australia
| | - Phong Tran
- Department of Orthopaedic Surgery, Western Health, Melbourne, Australia
- Australian Institute for Musculoskeletal Science (AIMSS), The University of Melbourne and Western Health, St Albans, Melbourne, VIC Australia
| | - Tim V. Wrigley
- Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, University of Melbourne, Melbourne, Australia
| | - David J. Hunter
- Kolling Institute of Medical Research, Institute of Bone and Joint Research, University of Sydney, Camperdown, Australia
- Department of Rheumatology, Royal North Shore Hospital, St Leonards, Australia
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16
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Rhee C, Le Francois T, Byrd JWT, Glazebrook M, Wong I. Radiographic Diagnosis of Pincer-Type Femoroacetabular Impingement: A Systematic Review. Orthop J Sports Med 2017; 5:2325967117708307. [PMID: 28607941 PMCID: PMC5455952 DOI: 10.1177/2325967117708307] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background: Femoroacetabular impingement (FAI) is a well-recognized condition that causes hip pain and can lead to early osteoarthritis if not managed properly. With the increasing awareness and efficacy of operative treatments for pincer-type FAI, there is a need for consensus on the standardized radiographic diagnosis. Purpose: To perform a systematic review of the evidence regarding imaging modalities and radiographic signs for diagnosing pincer-type FAI. Study Design: Systematic review; Level of evidence, 4. Methods: A literature review was performed in 2016 using the Cochrane, PubMed, and Embase search engines. All articles focusing on a radiographic diagnosis of pincer-type FAI were reviewed. Each of the included 44 articles was assigned the appropriate level of evidence, and the particular radiographic marker and/or type of imaging were also summarized. Results: There were 44 studies included in the final review. Most of the articles were level 4 evidence (26 articles), and there were 12 level 3 and 6 level 2 articles. The crossover sign was the most commonly used radiographic sign (27/44) followed by the lateral center-edge angle (22/44). Anteroposterior (AP) pelvis plain radiographs were the most commonly used imaging modality (33 studies). Poor-quality evidence exists in support of most currently used radiographic markers, including the crossover sign, lateral center-edge angle, posterior wall sign, ischial spine sign, coxa profunda, acetabular protrusion, and acetabular index. There is poor-quality conflicting evidence regarding the use of the herniation pit to diagnose pincer-type FAI. Some novel measurements, such as β-angle, acetabular roof ratio, and acetabular retroversion index, have been proposed, but they also lack support from the literature. Conclusion: No strong evidence exists to support a single best set of current radiographic markers for the diagnosis of pincer-type FAI, largely due to the lack of better quality trials (levels 1 and 2) that compare conventional radiographic findings with the gold standard, which is the intraoperative findings. More sophisticated imaging modalities such as computed tomography and magnetic resonance arthrography are often needed to diagnose pincer-type FAI, and these investigations are relatively accurate in assessing labral pathology or cartilage damage.
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Affiliation(s)
| | | | - J W Thomas Byrd
- Nashville Sports Medicine and Orthopaedic Center, Nashville, Tennessee, USA
| | | | - Ivan Wong
- Dalhousie University, Halifax, Nova Scotia, Canada
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17
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Hesper T, Bulat E, Bixby S, Akhondi-Asl A, Afacan O, Miller P, Bowen G, Warfield S, Kim YJ. Both 3-T dGEMRIC and Acetabular-Femoral T2 Difference May Detect Cartilage Damage at the Chondrolabral Junction. Clin Orthop Relat Res 2017; 475:1058-1065. [PMID: 27807678 PMCID: PMC5339137 DOI: 10.1007/s11999-016-5136-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND In addition to case reports of gadolinium-related toxicities, there are increasing theoretical concerns about the use of gadolinium for MR imaging. As a result, there is increasing interest in noncontrast imaging techniques for biochemical cartilage assessment. Among them, T2 mapping holds promise because of its simplicity, but its biophysical interpretation has been controversial. QUESTIONS/PURPOSES We sought to determine whether (1) 3-T delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) and T2 mapping are both capable of detecting cartilage damage at the chondrolabral junction in patients with femoroacetabular impingement (FAI); and (2) whether there is a correlation between these two techniques for acetabular and femoral head cartilage assessment. METHODS Thirty-one patients with hip-related symptoms resulting from FAI underwent a preoperative 3-T MRI of their hip that included dGEMRIC and T2 mapping (symptomatic group, 16 women, 15 men; mean age, 27 ± 8 years). Ten volunteers with no symptoms according to the WOMAC served as a control (asymptomatic group, seven women, three men; mean age, 28 ± 3 years). After morphologic cartilage assessment, acetabular and femoral head cartilages were graded according to the modified Outerbridge grading criteria. In the midsagittal plane, single-observer analyses of precontrast T1 values (volunteers), the dGEMRIC index (T1Gd, patients), and T2 mapping values (everyone) were compared in acetabular and corresponding femoral head cartilage at the chondrolabral junction of each hip by region-of-interest analysis. RESULTS In the symptomatic group, T1Gd and T2 values were lower in the acetabular cartilage compared with corresponding femoral head cartilage (T1Gd: 515 ± 165 ms versus 650 ± 191 ms, p < 0.001; T2: 39 ± 8 ms versus 46 ± 10 ms, p < 0.001). In contrast, the asymptomatic group demonstrated no differences in T1 and T2 values for the acetabular and femoral cartilages with the numbers available (T1: 861 ± 130 ms versus 860 ± 182 ms, p = 0.98; T2: 43 ± 7 ms versus 42 ± 6 ms, p = 0.73). No correlation with the numbers available was noted between the modified Outerbridge grade and T1, T1Gd, or T2 as well as between T2 and either T1 or T1Gd. CONCLUSIONS Without the need for contrast media application, T2 mapping may be a viable alternative to dGEMRIC when assessing hip cartilage at the chondrolabral junction. However, acquisition-related phenomena as well as regional variations in the microstructure of hip cartilage necessitate an internal femoral head cartilage control when interpreting these results. LEVEL OF EVIDENCE Level IV, diagnostic study.
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Affiliation(s)
- Tobias Hesper
- grid.2515.30000000403788438Department of Orthopedic Surgery, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115 USA
| | - Evgeny Bulat
- grid.2515.30000000403788438Department of Orthopedic Surgery, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115 USA
| | - Sarah Bixby
- grid.2515.30000000403788438Department of Radiology, Boston Children’s Hospital, Boston, MA USA
| | - Alireza Akhondi-Asl
- grid.2515.30000000403788438Division of Critical Care Medicine, Department of Anesthesiology, Perioperative and Pain Medicine, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XHarvard Medical School, Boston, MA USA
| | - Onur Afacan
- grid.2515.30000000403788438Department of Radiology, Boston Children’s Hospital, Boston, MA USA
| | - Patricia Miller
- grid.2515.30000000403788438Department of Orthopedic Surgery, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115 USA
| | - Garrett Bowen
- grid.2515.30000000403788438Department of Orthopedic Surgery, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115 USA
| | - Simon Warfield
- grid.2515.30000000403788438Department of Radiology, Boston Children’s Hospital, Boston, MA USA
| | - Young-Jo Kim
- grid.2515.30000000403788438Department of Orthopedic Surgery, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115 USA
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18
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Saied AM, Redant C, El-Batouty M, El-Lakkany MR, El-Adl WA, Anthonissen J, Verdonk R, Audenaert EA. Accuracy of magnetic resonance studies in the detection of chondral and labral lesions in femoroacetabular impingement: systematic review and meta-analysis. BMC Musculoskelet Disord 2017; 18:83. [PMID: 28209142 PMCID: PMC5314626 DOI: 10.1186/s12891-017-1443-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 02/03/2017] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Several types of Magnetic resonance imaging (MRI) are commonly used in imaging of femoroacetabular impingement (FAI), however till now there are no clear protocols and recommendations for each type. The aim of this meta-analysis is to detect the accuracy of conventional magnetic resonance imaging (cMRI), direct magnetic resonance arthrography (dMRA) and indirect magnetic resonance arthrography (iMRA) in the diagnosis of chondral and labral lesions in femoroacetabular impingement (FAI). METHODS A literature search was finalized on the 17th of May 2016 to collect all studies identifying the accuracy of cMRI, dMRA and iMRA in diagnosing chondral and labral lesions associated with FAI using surgical results (arthroscopic or open) as a reference test. Pooled sensitivity and specificity with 95% confidence intervals using a random-effects meta-analysis for MRI, dMRA and iMRA were calculated also area under receiver operating characteristic (ROC) curve (AUC) was retrieved whenever possible where AUC is equivocal to diagnostic accuracy. RESULTS The search yielded 192 publications which were reviewed according inclusion and exclusion criteria then 21 studies fulfilled the eligibility criteria for the qualitative analysis with a total number of 828 cases, lastly 12 studies were included in the quantitative meta-analysis. Meta-analysis showed that as regard labral lesions the pooled sensitivity, specificity and AUC for cMRI were 0.864, 0.833 and 0.88 and for dMRA were 0.91, 0.58 and 0.92. While in chondral lesions the pooled sensitivity, specificity and AUC for cMRI were 0.76, 0.72 and 0.75 and for dMRA were 0.75, 0.79 and 0.83, while for iMRA were sensitivity of 0.722 and specificity of 0.917. CONCLUSIONS The present meta-analysis showed that the diagnostic test accuracy was superior for dMRA when compared with cMRI for detection of labral and chondral lesions. The diagnostic test accuracy was superior for labral lesions when compared with chondral lesions in both cMRI and dMRA. Promising results are obtained concerning iMRA but further studies still needed to fully assess its diagnostic accuracy.
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Affiliation(s)
- A M Saied
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, De Pintelaan 185, B-9000, Ghent, Belgium. .,Department of Orthopaedic Surgery, Mansoura University Hospital, Mansoura University, Mansoura, Egypt.
| | - C Redant
- Department of Physical Medicine and Rehabilitation, Ghent University Hospital, De Pintelaan 185, B-9000, Ghent, Belgium
| | - M El-Batouty
- Department of Orthopaedic Surgery, Mansoura University Hospital, Mansoura University, Mansoura, Egypt
| | - M R El-Lakkany
- Department of Orthopaedic Surgery, Mansoura University Hospital, Mansoura University, Mansoura, Egypt
| | - W A El-Adl
- Department of Orthopaedic Surgery, Mansoura University Hospital, Mansoura University, Mansoura, Egypt
| | - J Anthonissen
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, De Pintelaan 185, B-9000, Ghent, Belgium
| | - R Verdonk
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, De Pintelaan 185, B-9000, Ghent, Belgium
| | - E A Audenaert
- Department of Orthopaedic Surgery and Traumatology, Ghent University Hospital, De Pintelaan 185, B-9000, Ghent, Belgium
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Radiographic predictors of femoroacetabular impingement treatment outcomes. Knee Surg Sports Traumatol Arthrosc 2017; 25:36-44. [PMID: 26387126 DOI: 10.1007/s00167-015-3794-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 09/10/2015] [Indexed: 10/23/2022]
Abstract
PURPOSE To review the literature on femoroacetabular impingement (FAI) treatment outcomes, specifically focusing on potential pre-operative radiographic parameters that may provide prognostic information regarding outcomes following surgical management. METHODS A comprehensive review of computerized literature databases (Medline Ovid and PubMed) was performed, searching for articles reporting on FAI treatment outcomes. A single reviewer screened titles, abstracts and performed full-text reviews of eligible studies. The references of these studies were further screened for additional potentially relevant studies. A total of 243 studies were reviewed, with 18 meeting inclusion criteria. RESULTS Thirteen arthroscopic studies reported on 1556 patients, with clinical improvement in 35-92 % of patients and associated failure rates of 12-71 %. Five open surgical studies reported on 238 patients with clinical improvement in 65-95 % of patients and associated failure rates of 0-35 %. Both arthroscopic and open studies identified inferior outcomes with pre-operative radiographic findings of an elevated Tönnis grade (grade 2 or higher), joint space <2 mm, lateral centre-edge angle (LCEA) <20° and incomplete femoral osteoplasty. CONCLUSION Pre-operative radiographic findings of osteoarthritis (Tönnis grade 2/3, <2 mm joint space) or dysplasia (LCEA < 20°) should be considered relative contraindications to joint preservation surgery as outcomes are worse among these patients and associated with a higher risk of conversion to total hip arthroplasty. Care should also be taken to perform a thorough femoral osteoplasty to reduce the risk of failure and need for revision surgery. LEVEL OF EVIDENCE III.
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A narrative overview of the current status of MRI of the hip and its relevance for osteoarthritis research - what we know, what has changed and where are we going? Osteoarthritis Cartilage 2017; 25:1-13. [PMID: 27621214 DOI: 10.1016/j.joca.2016.08.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Revised: 08/24/2016] [Accepted: 08/28/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To review and discuss the role of magnetic resonance imaging (MRI) in the context of hip osteoarthritis (OA) research. DESIGN The content of this narrative review, based on an extensive PubMed database research including English literature only, describes the advances in MRI of the hip joint and its potential usefulness in hip OA research, reviews the relevance of different MRI features in regard to symptomatic and structural progression in hip OA, and gives an outlook regarding future use of MRI in hip OA research endeavors. RESULTS Recent technical advances have helped to overcome many of the past difficulties related to MRI assessment of hip OA. MRI-based morphologic scoring systems allow for detailed assessment of several hip joint tissues and, in combination with the recent advances in MRI, may increase reproducibility and sensitivity to change. Compositional MRI techniques may add to our understanding of disease onset and progression. Knowledge about imaging pitfalls and anatomical variants is crucial to avoid misinterpretation. In comparison to research on knee OA, the associations between MRI features and the incidence and progression of disease as well as with clinical symptoms have been little explored. Anatomic alterations of the hip joint as seen in femoro-acetabular impingement (FAI) seem to play a role in the onset and progression of structural damage. CONCLUSIONS With the technical advances occurring in recent years, MRI may play a major role in investigating the natural history of hip OA and provide an improved method for assessment of the efficacy of new therapeutic approaches.
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Albers CE, Wambeek N, Hanke MS, Schmaranzer F, Prosser GH, Yates PJ. Imaging of femoroacetabular impingement-current concepts. J Hip Preserv Surg 2016; 3:245-261. [PMID: 29632685 PMCID: PMC5883171 DOI: 10.1093/jhps/hnw035] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 09/12/2016] [Indexed: 02/07/2023] Open
Abstract
Following the recognition of femoroacetabular impingement (FAI) as a clinical entity, diagnostic tools have continuously evolved. While the diagnosis of FAI is primarily made based on the patients' history and clinical examination, imaging of FAI is indispensable. Routine diagnostic work-up consists of a set of plain radiographs, magnetic resonance imaging (MRI) and MR-arthrography. Recent advances in MRI technology include biochemically sensitive sequences bearing the potential to detect degenerative changes of the hip joint at an early stage prior to their appearance on conventional imaging modalities. Computed tomography may serve as an adjunct. Advantages of CT include superior bone to soft tissue contrast, making CT applicable for image-guiding software tools that allow evaluation of the underlying dynamic mechanisms causing FAI. This article provides a summary of current concepts of imaging in FAI and a review of the literature on recent advances, and their application to clinical practice.
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Affiliation(s)
- Christoph E. Albers
- Department of Orthopaedic Surgery, Fiona Stanley Hospital and Fremantle Hospital, Perth, Australia
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Nicholas Wambeek
- Department of Radiology, Fiona Stanley Hospital and Fremantle Hospital, Perth, Australia
| | - Markus S. Hanke
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Florian Schmaranzer
- Department of Orthopaedic Surgery, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Gareth H. Prosser
- Department of Orthopaedic Surgery, Fiona Stanley Hospital and Fremantle Hospital, Perth, Australia
- Faculty of Medicine, Dentistry and Health Sience, University of Western Australia, Perth, Australia
| | - Piers J. Yates
- Department of Orthopaedic Surgery, Fiona Stanley Hospital and Fremantle Hospital, Perth, Australia
- Faculty of Medicine, Dentistry and Health Sience, University of Western Australia, Perth, Australia
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Ganal E, Ho CP, Wilson KJ, Surowiec RK, Smith WS, Dornan GJ, Millett PJ. Quantitative MRI characterization of arthroscopically verified supraspinatus pathology: comparison of tendon tears, tendinosis and asymptomatic supraspinatus tendons with T2 mapping. Knee Surg Sports Traumatol Arthrosc 2016; 24:2216-24. [PMID: 25739912 DOI: 10.1007/s00167-015-3547-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 02/18/2015] [Indexed: 12/01/2022]
Abstract
PURPOSE Quantitative MRI T2 mapping is a non-invasive imaging technique sensitive to biochemical changes, but no studies have evaluated T2 mapping in pathologic rotator cuff tendons. It was sought to evaluate the efficacy of T2 mapping in detecting differences in the supraspinatus tendon (SST) among patients with tendinosis, partial tears and minimally retracted full-thickness tears, relative to asymptomatic volunteers. METHODS The pathologic cohort consisted of two arthroscopically verified groups: tendinosis and a tear group of partial tears or minimally retracted full-thickness tears, and was compared to an asymptomatic cohort with no prior history of shoulder pathology. The SST was manually segmented from the footprint to the medial humeral head in the coronal and sagittal planes and divided into six clinically relevant subregions. Mean T2 values and inter- and intra-rater reliability were assessed. RESULTS In the anterolateral subregion, the tear group exhibited significantly higher mean T2 values (43.9 ± 12.7 ms) than the tendinosis (34.9 ± 3.9 ms; p = 0.006) and asymptomatic (33.6 ± 5.3 ms; p = 0.015) groups. In the posterolateral subregion, the tear group had higher mean T2 values (45.2 ± 13.7) than the asymptomatic group (34.7 ± 6.7; p = 0.012). Inter- and intra-rater reliability was mostly excellent (ICC > 0.75). CONCLUSION T2 mapping is an accurate non-invasive method to identify quantitatively early rotator cuff pathology. The lateral region in the coronal plane in particular may differentiate partial and small minimally retracted full-thickness tears from tendinosis and asymptomatic tendons. Understanding and being able to measure quantitatively the process of tendon degeneration and subsequent tearing may help clinicians to better predict at-risk groups and to stratify treatment options. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Edmund Ganal
- The Steadman Clinic, 181 W Meadow Dr, Suite 400, Vail, CO, 81657, USA
| | - Charles P Ho
- Steadman Philippon Research Institute, 181 W Meadow Dr, Vail, CO, 81657, USA
| | - Katharine J Wilson
- Steadman Philippon Research Institute, 181 W Meadow Dr, Vail, CO, 81657, USA
| | - Rachel K Surowiec
- Steadman Philippon Research Institute, 181 W Meadow Dr, Vail, CO, 81657, USA
| | - W Sean Smith
- Steadman Philippon Research Institute, 181 W Meadow Dr, Vail, CO, 81657, USA
| | - Grant J Dornan
- Steadman Philippon Research Institute, 181 W Meadow Dr, Vail, CO, 81657, USA
| | - Peter J Millett
- The Steadman Clinic, 181 W Meadow Dr, Suite 400, Vail, CO, 81657, USA.
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Frank RM, Lee S, Bush-Joseph CA, Salata MJ, Mather RC, Nho SJ. Outcomes for Hip Arthroscopy According to Sex and Age: A Comparative Matched-Group Analysis. J Bone Joint Surg Am 2016; 98:797-804. [PMID: 27194489 DOI: 10.2106/jbjs.15.00445] [Citation(s) in RCA: 129] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Factors such as age and sex are postulated to play a role in outcomes following arthroscopy for femoroacetabular impingement; however, to our knowledge, no data currently delineate outcomes on the basis of these factors. The purpose of this study was to compare clinical outcomes of patients undergoing hip arthroscopy for femoroacetabular impingement according to sex and age. METHODS One hundred and fifty patients undergoing hip arthroscopy for femoroacetabular impingement by a single fellowship-trained surgeon were prospectively analyzed, with 25 patients in each of the following groups: female patients younger than 30 years of age, female patients 30 to 45 years of age, female patients older than 45 years of age, male patients younger than 30 years of age, male patients 30 to 45 years of age, and male patients older than 45 years of age. The primary outcomes included the Hip Outcome Score Activities of Daily Living Subscale (HOS-ADL), Hip Outcome Score Sport-Specific Subscale (HOS-Sport), the modified Harris hip score (mHHS), and clinical improvement at the time of follow-up. RESULTS At a minimum 2-year follow-up, all groups demonstrated significant improvements in the HOS-ADL, the HOS-Sport, and the mHHS (p < 0.0001). Female patients older than 45 years of age scored significantly worse on the HOS-ADL, HOS-Sport, and mHHS compared with female patients younger than 30 years of age (p < 0.0001 for all) and female patients 30 to 45 years of age (p < 0.017 for all). Male patients older than 45 years of age scored significantly worse on all outcomes compared with male patients younger than 30 years of age (p ≤ 0.011 for all) and male patients 30 to 45 years of age (p ≤ 0.021 for all). Incorporating both sexes, patients older than 45 years of age scored significantly worse on all outcomes compared with patients younger than 30 years of age (p < 0.0001 for all) and patients 30 to 45 years of age (p ≤ 0.001 for all). Female patients older than 45 years of age had significantly reduced radiographic preoperative joint space width compared with the two other female groups and the male groups who were 45 years of age or younger (p < 0.05 for all). CONCLUSIONS Although all patients had significant improvements in all outcomes following hip arthroscopy, patients older than 45 years of age performed worse than younger patients, with female patients older than 45 years of age demonstrating the lowest outcome scores. In the age group of 45 years or younger, female patients performed as well as male patients in terms of hip clinical outcome scores. Overall, care must be individualized to optimize outcomes following hip arthroscopy for femoroacetabular impingement. LEVEL OF EVIDENCE Prognostic Level II. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Rachel M Frank
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Simon Lee
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Charles A Bush-Joseph
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Michael J Salata
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Richard C Mather
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois
| | - Shane J Nho
- Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois
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Does periacetabular osteotomy have depth-related effects on the articular cartilage of the hip? Clin Orthop Relat Res 2015; 473:3735-43. [PMID: 26329795 PMCID: PMC4626520 DOI: 10.1007/s11999-015-4545-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Osteoarthritis may result from abnormal mechanics leading to biochemically mediated degradation of cartilage. In a dysplastic hip, the periacetabular osteotomy (PAO) is designed to normalize the mechanics and our initial analysis suggests that it may also alter the cartilage biochemical composition. Articular cartilage structure and biology vary with the depth from the articular surface including the concentration of glycosaminoglycans (GAG), which are the charge macromolecules that are rapidly turned over and are lost in early osteoarthritis. Delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC) enables noninvasive measurement of cartilage GAG content. The dGEMRIC index represents an indirect measure of GAG concentration with lower values indicating less GAG content. GAG content can normally vary with mechanical loading; however, progressive loss of GAG is associated with osteoarthritis. By looking at the changes in amounts of GAG in response to a PAO at different depths of cartilage, we may gain further insights into the types of biologic events that are occurring in the joint after a PAO. QUESTIONS/PURPOSES We (1) measured the GAG content in the superficial and deep zones for the entire joint before and after PAO; and (2) investigated if the changes in the superficial and deep zone GAG content after PAO varied with different locations within the joint. METHODS This prospective study included 37 hips in 37 patients (mean age 26 ± 9 years) who were treated with periacetabular osteotomy for symptomatic acetabular dysplasia and had preoperative and 1-year follow up dGEMRIC scans. Twenty-eight of the 37 also had 2-year scans. Patients were eligible if they had symptomatic acetabular dysplasia with lateral center-edge angle < 20° and no or minimal osteoarthritis. The change in dGEMRIC after surgery was assessed in the superficial and deep cartilage zones at five acetabular radial planes. RESULTS The mean ± SD dGEMRIC index in the superficial zone fell from 480 ± 137 msec preoperatively to 409 ± 119 msec at Year 1 (95% confidence interval [CI], -87 to -54; p < 0.001) and recovered to 451 ± 115 msec at Year 2 (95% CI, 34-65; p < 0.001), suggesting that there is a transient event that causes the biologically sensitive superficial layer to lose GAG. In the deep acetabular cartilage zone, dGEMRIC index fell from 527 ± 148 msec preoperatively to 468 ± 143 msec at Year 1 (95% CI, -66 to -30; p < 0.001) and recovered to 494 ± 125 msec at Year 2 (95% CI, 5-32; p = 0.008). When each acetabular radial plane was looked at separately, the change from before surgery to 1 year after was confined to zones around the superior part of the joint. The only significant change from 1 to 2 years was an increase in the superficial layer of the superior zone (1 year 374 ± 123 msec, 2 year 453 ± 117 msec, p < 0.006). CONCLUSIONS This study suggests that PAO may alter the GAG content of the articular cartilage with a greater effect on the superficial zone compared with the deeper acetabular cartilage zone, especially at the superior aspect of the joint. Some surgeons have observed that surgery itself can be a stressor that can accelerate joint degeneration. Perhaps the decrease in dGEMRIC index seen in the superficial layer may be a catabolic response to postsurgical inflammation given that some recovery was seen at 2 years. The decrease in dGEMRIC index in the deep layer seen mainly near the superior part of the joint is persistent and may represent a response of articular cartilage to normalization of increased mechanical load seen in this region after osteotomy, which may be a normal response to alteration in loading. CLINICAL RELEVANCE This study looks at the biochemical changes in the articular cartilage before and after a PAO for dysplastic hips using MRI in a similar manner to using histological methods to study alterations in articular cartilage with mechanical loading. Although PAO alters alignment and orientation of the acetabulum, its effects on cartilage biology are not clear. dGEMRIC provides a noninvasive method of assessing these effects.
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Imaging prevalence of femoroacetabular impingement in symptomatic patients, athletes, and asymptomatic individuals: A systematic review. Eur J Radiol 2015; 85:73-95. [PMID: 26724652 DOI: 10.1016/j.ejrad.2015.10.016] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 09/29/2015] [Accepted: 10/25/2015] [Indexed: 12/20/2022]
Abstract
BACKGROUND There is a wide discrepancy in reported prevalence rates for cam, pincer, and mixed femoroacetabular impingement (FAI), particularly among distinct populations, namely asymptomatic or symptomatic subjects and athletes. No systematic analysis to date has yet compared studies among these groups to determine differences in radiographic signs of FAI. METHODS A systematic review of existing literature was performed to determine the prevalence of radiographic signs of FAI among athletes, asymptomatic subjects, and symptomatic patients. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were applied to systematically search PubMed, MEDLINE, CINAHL, and Cochrane databases. RESULTS We identified 361 studies in our literature search. After considering the exclusion criteria, 60 were included in this systematic review: 15 in athletes, 10 in purely asymptomatic patients, and 35 in symptomatic, non-athlete populations. Cam impingement was significantly (p=0.0003) more common in athletes versus asymptomatic subjects but not compared to symptomatic patients (p=0.107). In addition, cam FAI was significantly more common in symptomatic versus asymptomatic cases (p=0.009). The percentage of patients with cam-type FAI showed significant differences across groups (p=0.006). No significant differences were found between pincer-type FAI morphology prevalence when comparing athletes to symptomatic patients. However, mixed-type FAI was significantly more common in athletes versus asymptomatic subjects (p=0.03) and in asymptomatic versus symptomatic subjects (p=0.015). The percentage of patients with mixed-type FAI showed significant differences across groups (p=0.041). The mean alpha angle was significantly greater in the symptomatic group versus either the asymptomatic or athlete group (p<0.001). Significant differences in mean alpha angles were noted across groups (p=0.0000). CONCLUSIONS Imaging suspicion of FAI is common among athletes, asymptomatic, and symptomatic populations. However, significant differences in type and imaging signs of FAI exist among these groups that need to be considered in patients' decision making.
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Guermazi A, Alizai H, Crema MD, Trattnig S, Regatte RR, Roemer FW. Compositional MRI techniques for evaluation of cartilage degeneration in osteoarthritis. Osteoarthritis Cartilage 2015; 23:1639-53. [PMID: 26050864 DOI: 10.1016/j.joca.2015.05.026] [Citation(s) in RCA: 155] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 04/26/2015] [Accepted: 05/25/2015] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA), a leading cause of disability, affects 27 million people in the United States and its prevalence is rising along with the rise in obesity. So far, biomechanical or behavioral interventions as well as attempts to develop disease-modifying OA drugs have been unsuccessful. This may be partly due to antiquated imaging outcome measures such as radiography, which are still endorsed by regulatory agencies such as the United States Food and Drug Administration (FDA) for use in clinical trials. Morphological magnetic resonance imaging (MRI) allows unparalleled multi-feature assessment of the OA joint. Furthermore, advanced MRI techniques also enable evaluation of the biochemical or ultrastructural composition of articular cartilage relevant to OA research. These compositional MRI techniques have the potential to supplement clinical MRI sequences in identifying cartilage degeneration at an earlier stage than is possible today using morphologic sequences only. The purpose of this narrative review is to describe compositional MRI techniques for cartilage evaluation, which include T2 mapping, T2* Mapping, T1 rho, dGEMRIC, gagCEST, sodium imaging and diffusion weighted imaging (DWI). We also reviewed relevant clinical studies that have utilized these techniques for the study of OA. The different techniques are complementary. Some focus on isotropy or the collagen network (e.g., T2 mapping) and others are more specific in regard to tissue composition, e.g., gagCEST or dGEMRIC that convey information on the GAG concentration. The application and feasibility of these techniques is also discussed, as they will play an important role in implementation in larger clinical trials and eventually clinical practice.
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Affiliation(s)
- A Guermazi
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA; Department of Research, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar.
| | - H Alizai
- Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA; Department of Radiology, New York University Langone Medical Center, New York, NY, USA
| | - M D Crema
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA; Department of Research, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar; Department of Radiology, Hospital do Coração and Teleimagem, São Paulo, Brazil
| | - S Trattnig
- Department of Biomedical Imaging and Image Guided Therapy, Medical University of Vienna, Vienna, Austria
| | - R R Regatte
- Department of Radiology, New York University Langone Medical Center, New York, NY, USA
| | - F W Roemer
- Department of Radiology, Boston University School of Medicine, Boston, MA, USA; Department of Research, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar; Department of Radiology, University of Erlangen, Erlangen, Germany
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Abstract
Hip pain is common in all age groups, and osteoarthritis of this joint is an increasingly recognized problem particularly in aging populations. One of the primary goals in the diagnostic evaluation in patients with hip pain is to identify and correct pathologies that could progress to osteoarthritis. Magnetic resonance imaging (MRI) has become an important noninvasive method for characterizing hip anatomy and pathology in these patients. Improvements in MRI hardware and techniques have allowed high spatial and contrast resolution imaging to detect subtle abnormalities, such as acetabular labral and articular cartilage injuries, which often contribute to patient symptoms. Newer MRI techniques, such as delayed gadolinium-enhanced MRI of cartilage and T2 mapping, can give insight into the biochemical structure of tissues such as the articular cartilage. In turn, these can allow quantitative assessment and enable imagers to more directly compare the findings of patients at earlier stages of disease. It is important to understand the fundamental principles of various MRI techniques and their limitations to know when these techniques can best be applied. In addition, understanding of normal hip anatomy and common anatomic variants is useful for being able to accurately detect and localize areas of pathology and to prevent misinterpreting normal structures as diseased. The aims of this work were to briefly review normal hip anatomy and common anatomic variants seen on routine MRI examination, to discuss principles often used in high-resolution hip MRI and newer techniques for biochemical evaluation, and to examine several intra-articular pathologic conditions of the hip joint that are of current clinical interest.
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Affiliation(s)
- Imran M Omar
- From the Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL
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Current knowledge and importance of dGEMRIC techniques in diagnosis of hip joint diseases. Skeletal Radiol 2015; 44:1073-83. [PMID: 25913097 DOI: 10.1007/s00256-015-2135-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2014] [Revised: 03/10/2015] [Accepted: 03/12/2015] [Indexed: 02/02/2023]
Abstract
Accurate assessment of early hip joint cartilage alterations may help optimize patient selection and follow-up of hip joint preservation surgery. Delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC) is sensitive to the glycosaminoglycan content in cartilage that is lost early in the development of osteoarthritis (OA). Hence, the dGEMRIC technique holds promise for the development of new diagnostic and therapeutic procedures. However, because of the location of the hip joint deep within the body and due to the fairly thin cartilage layers that require high spatial resolution, the diagnosis of early hip joint cartilage alterations may be problematic. The purpose of this review is to outline the current status of dGEMRIC in the assessment of hip joint cartilage. A literature search was performed with PubMed, using the terms "cartilage, osteoarthritis, hip joint, MRI, and dGEMRIC", considering all levels of studies. This review revealed that dGEMRIC can be reliably used in the evaluation of early stage cartilage pathology in various hip joint disorders. Modifications in the technique, such as the operation of three-dimensional imaging and dGEMRIC after intra-articular contrast medium administration, have expanded the range of application. Notably, the studies differ considerably in patient selection and technical prerequisites. Furthermore, there is a need for multicenter prospective studies with the required technical conditions in place to establish outcome based dGEMRIC data to obtain, in conjunction with clinical data, reliable threshold values for normal and abnormal cartilage, and for hips that may benefit from conservative or surgical treatment.
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Evaluation of the Articular Cartilage of the Knee Joint Using an Isotropic Resolution 3D Fast Spin-Echo Sequence With Conventional and Radial Reformatted Images. AJR Am J Roentgenol 2015. [DOI: 10.2214/ajr.14.14265] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Bittersohl B, Hosalkar HS, Hesper T, Tiderius CJ, Zilkens C, Krauspe R. Advanced Imaging in Femoroacetabular Impingement: Current State and Future Prospects. Front Surg 2015; 2:34. [PMID: 26258129 PMCID: PMC4513289 DOI: 10.3389/fsurg.2015.00034] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 07/10/2015] [Indexed: 11/13/2022] Open
Abstract
Symptomatic femoroacetabular impingement (FAI) is now a known precursor of early osteoarthritis (OA) of the hip. In terms of clinical intervention, the decision between joint preservation and joint replacement hinges on the severity of articular cartilage degeneration. The exact threshold during the course of disease progression when the cartilage damage is irreparable remains elusive. The intention behind radiographic imaging is to accurately identify the morphology of osseous structural abnormalities and to accurately characterize the chondrolabral damage as much as possible. However, both plain radiographs and computed tomography (CT) are insensitive for articular cartilage anatomy and pathology. Advanced magnetic resonance imaging (MRI) techniques include magnetic resonance arthrography and biochemically sensitive techniques of delayed gadolinium-enhanced MRI of cartilage (dGEMRIC), T1rho (T1ρ), T2/T2* mapping, and several others. The diagnostic performance of these techniques to evaluate cartilage degeneration could improve the ability to predict an individual patient-specific outcome with non-surgical and surgical care. This review discusses the facts and current applications of biochemical MRI for hip joint cartilage assessment covering the roles of dGEMRIC, T2/T2*, and T1ρ mapping. The basics of each technique and their specific role in FAI assessment are outlined. Current limitations and potential pitfalls as well as future directions of biochemical imaging are also outlined.
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Affiliation(s)
- Bernd Bittersohl
- Department of Orthopedics, Medical Faculty, University Düsseldorf , Düsseldorf , Germany
| | - Harish S Hosalkar
- Center for Hip Preservation and Children's Orthopedics , San Diego, CA , USA
| | - Tobias Hesper
- Department of Orthopedics, Medical Faculty, University Düsseldorf , Düsseldorf , Germany
| | | | - Christoph Zilkens
- Department of Orthopedics, Medical Faculty, University Düsseldorf , Düsseldorf , Germany
| | - Rüdiger Krauspe
- Department of Orthopedics, Medical Faculty, University Düsseldorf , Düsseldorf , Germany
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OARSI Clinical Trials Recommendations: Hip imaging in clinical trials in osteoarthritis. Osteoarthritis Cartilage 2015; 23:716-31. [PMID: 25952344 PMCID: PMC4430132 DOI: 10.1016/j.joca.2015.03.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 03/01/2015] [Accepted: 03/09/2015] [Indexed: 02/02/2023]
Abstract
Imaging of hip in osteoarthritis (OA) has seen considerable progress in the past decade, with the introduction of new techniques that may be more sensitive to structural disease changes. The purpose of this expert opinion, consensus driven recommendation is to provide detail on how to apply hip imaging in disease modifying clinical trials. It includes information on acquisition methods/techniques (including guidance on positioning for radiography, sequence/protocol recommendations/hardware for magnetic resonance imaging (MRI)); commonly encountered problems (including positioning, hardware and coil failures, artifacts associated with various MRI sequences); quality assurance/control procedures; measurement methods; measurement performance (reliability, responsiveness, and validity); recommendations for trials; and research recommendations.
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Labral and cartilage abnormalities in young patients with hip pain: accuracy of 3-Tesla indirect MR arthrography. Skeletal Radiol 2015; 44:97-105. [PMID: 25277527 DOI: 10.1007/s00256-014-2013-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 09/15/2014] [Accepted: 09/16/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Assess the diagnostic accuracy of 3-T indirect magnetic resonance arthrography (iMRA) for hip cartilage and labral pathology detection using arthroscopy as the reference standard and compare it to the published performance of direct magnetic resonance arthrography (dMRA). MATERIALS AND METHODS Between 2009 and 2011, 290 patients suspected of having femoroacetabular impingement underwent iMRA. Our study group consisted of 41 of these patients (17 males, mean age 35 years; 24 females, mean age 33 years) who did not have a prior history of hip surgery and who subsequently underwent arthroscopy. Two experienced musculoskeletal radiologists separately evaluated the randomized and anonymized studies for the presence and quadrant location of labral and cartilage pathology. These recorded data were compared to arthroscopic reports. RESULTS Forty-one patients had labral pathology, 34 patients had acetabular and 5 patients had femoral cartilage pathology at arthroscopy. Sensitivity, specificity, accuracy, negative- and positive-predictive values for labral lesion detection were respectively 98, 99, 99, 99 and 98 %; for acetabular cartilage lesion detection they were 69, 98, 89, 87 and 95 %; for femoral cartilage lesion detection they were 69, 95, 93 and 39 %. Sensitivities of iMRA by quadrant (anteroinferior, anterosuperior, posteroinferior, posterosuperior) for the labrum were 100.0, 95.0, NA and 85.7 %, for acetabular cartilage were NA, 58.8, NA and 39.5 % and for femoral cartilage were 50.0, 33.3, 75.0 and 75.0 %). NA indicates results not available because of the absence of findings in those quadrants. Specificities of iMRA by quadrant (anteroinferior, anterosuperior, posteroinferior, posterosuperior) for the labrum (95.0, 100.0, 95.1, 67.5 %), acetabular (100.0, 85.7, 92.6, 79.5 %) and femoral cartilage (100.0, 94.7, 96.2, 85.9 %). CONCLUSION iMRA at 3 T is accurate in detecting labral pathology suggesting that it is a viable alternative to dMRA.
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Roemer FW, Guermazi A. Osteoarthritis year in review 2014: imaging. Osteoarthritis Cartilage 2014; 22:2003-12. [PMID: 25456295 DOI: 10.1016/j.joca.2014.07.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Revised: 07/02/2014] [Accepted: 07/10/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE This narrative review covers original publications related to imaging in osteoarthritis (OA) published in English between April 2013 and March 2014. In vitro data, animal studies and studies with less than 20 observations were not included. METHODS To extract relevant studies, an extensive PubMed database search was performed based on, but not limited to the query terms "Osteoarthritis" in combination with "MRI", "Imaging", "Radiography", "Ultrasound", "Computed Tomography" and "Nuclear Medicine". Publications were sorted according to relevance based on potential impact to the OA research community with the overarching goal of a balanced overview covering all aspects of imaging. Focus was on publications in high impact special interest journals. The literature will be presented in a methodological fashion covering radiography, ultrasound, compositional and morphologic Magnetic resonance imaging (MRI), and from an anatomic perspective including bone, muscle, meniscus and synovitis. RESULTS AND CONCLUSIONS Imaging research in OA in the last year was characterized by a strong focus on MRI-based studies dealing with epidemiological and methodological aspects of the disease. Ultrastructural tissue assessment specifically of cartilage and meniscus using compositional MRI is evolving further. Additional subsets of the large publicly available Osteoarthritis Initiative (OAI) MRI dataset are being analyzed at present and have been published with muscle analyses coming increasingly into the focus of the community. Bone parameters were evaluated using varying technology and a persistent interest in inflammatory disease manifestations has been noted. Other modalities than MRI have been less explored. To date most OA imaging research is still focused on the knee joint.
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Affiliation(s)
- F W Roemer
- Quantitative Imaging Center (QIC), Department of Radiology, Boston University School of Medicine, Boston, MA, USA; Department of Radiology, University of Erlangen-Nuremberg, Erlangen, Germany.
| | - A Guermazi
- Quantitative Imaging Center (QIC), Department of Radiology, Boston University School of Medicine, Boston, MA, USA
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Siebelt M, Agricola R, Weinans H, Kim YJ. The role of imaging in early hip OA. Osteoarthritis Cartilage 2014; 22:1470-80. [PMID: 25278058 DOI: 10.1016/j.joca.2014.04.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 04/17/2014] [Accepted: 04/29/2014] [Indexed: 02/02/2023]
Abstract
Hip osteoarthritis (OA) is characterized by cartilage degradation, subchondral bone sclerosis and osteophyte formation. Nowadays, OA is thought to develop via different etiologies that all lead to a similar form of end stage joint degradation. One of these subtypes is related to an abnormal shaped hip joint, like acetabular dysplasia and a cam deformity. These bony abnormalities are highly predictive for development of hip OA, but they are likely to already be present from childhood. This suggests that these deformations induce OA changes in the hip, well before extensive hip degradation becomes present three to four decades later. Accurate detection and successful characterization of these early OA events might lead to better treatment options for hip OA besides nowadays available invasive joint replacement surgery. However, current diagnostic imaging techniques like radiographs or plain magnetic resonance imaging (MRI), are not sensitive enough to detect these subtle early OA changes. Nor are they able to disentangle intertwined and overlapping cascades from different OA subtypes, and neither can they predict OA progression. New and more sensitive imaging techniques might enable us to detect first OA changes on a cellular level, providing us with new opportunities for early intervention. In this respect, shape analysis using radiography, MRI, computed tomography (CT), single photon emission computed tomography (SPECT)/CT, and positron emission tomography (PET) might prove promising techniques and be more suited to detect early pathological changes in the hip joint. A broad application of these techniques might give us more understanding what can be considered physiological adaptation of the hip, or when early OA really starts. With a more clear definition of early OA, more homogenous patient populations can be selected and help with the development of new disease modifying OA interventions.
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Affiliation(s)
- M Siebelt
- Department of Orthopaedics, Orthopaedic Research Laboratory, Erasmus MC, The Netherlands
| | - R Agricola
- Department of Orthopaedics, Orthopaedic Research Laboratory, Erasmus MC, The Netherlands
| | - H Weinans
- Department of Orthopaedics & Dept. Rheumatology, UMC Utrecht, The Netherlands; Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands.
| | - Y J Kim
- Department of Orthopaedic Surgery, Boston Children's Hospital, USA
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Riley GM, McWalter EJ, Stevens KJ, Safran MR, Lattanzi R, Gold GE. MRI of the hip for the evaluation of femoroacetabular impingement; past, present, and future. J Magn Reson Imaging 2014; 41:558-72. [PMID: 25155435 DOI: 10.1002/jmri.24725] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 07/21/2014] [Indexed: 11/07/2022] Open
Abstract
The concept of femoroacetabular impingement (FAI) has, in a relatively short time, come to the forefront of orthopedic imaging. In just a few short years MRI findings that were in the past ascribed to degenerative change, normal variation, or other pathologies must now be described and included in radiology reports, as they have been shown, or are suspected to be related to, FAI. Crucial questions have come up in this time, including: what is the relationship of bony morphology to subsequent cartilage and labral damage, and most importantly, how is this morphology related to the development of osteoarthritis? In this review, we attempt to place a historical perspective on the controversy, provide guidelines for interpretation of MRI examinations of patients with suspected FAI, and offer a glimpse into the future of MRI of this complex condition.
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Affiliation(s)
- Geoffrey M Riley
- Department of Radiology, Stanford University, Stanford, California, USA
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