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Jurik AG, Herregods N. The sacroiliac joint across ages - what is normal? Ther Adv Musculoskelet Dis 2024; 16:1759720X241241126. [PMID: 38559314 PMCID: PMC10981241 DOI: 10.1177/1759720x241241126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 03/06/2024] [Indexed: 04/04/2024] Open
Abstract
The anatomy of the sacroiliac joint (SIJ) is complex with wide variations inter-individually as well as intra-individually (right versus left) and a frequent occurrence of anatomical variants. Besides, the joints are subject to strain, which may elicit non-inflammatory subchondral changes such as bone marrow edema (BME), sclerosis, and fat deposition simulating inflammatory SIJ changes. Furthermore, normal physiological changes during skeletal maturation can make interpretation of SIJ magnetic resonance imaging in children challenging. Knowledge about the wide range of normal findings is therefore important to avoid misinterpretation of findings as pathological. This review describes the current knowledge about normal SIJ findings across all ages.
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Affiliation(s)
- Anne Grethe Jurik
- Department of Radiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N 8200, Denmark
| | - Nele Herregods
- Head of Clinics Pediatric Radiology, Department of Radiology and Nuclear Medicine – Division of Pediatric Radiology, Princess Elisabeth Children’s Hospital/Ghent University Hospital, Ghent, Belgium
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Zhang K, Liu C, Pan J, Zhu Y, Li X, Zheng J, Zhan Y, Li W, Li S, Luo G, Hong G. Use of MRI-based deep learning radiomics to diagnose sacroiliitis related to axial spondyloarthritis. Eur J Radiol 2024; 172:111347. [PMID: 38325189 DOI: 10.1016/j.ejrad.2024.111347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/13/2024] [Accepted: 01/25/2024] [Indexed: 02/09/2024]
Abstract
OBJECTIVES This study aimed to evaluate the performance of a deep learning radiomics (DLR) model, which integrates multimodal MRI features and clinical information, in diagnosing sacroiliitis related to axial spondyloarthritis (axSpA). MATERIAL & METHODS A total of 485 patients diagnosed with sacroiliitis related to axSpA (n = 288) or non-sacroiliitis (n = 197) by sacroiliac joint (SIJ) MRI between May 2018 and October 2022 were retrospectively included in this study. The patients were randomly divided into training (n = 388) and testing (n = 97) cohorts. Data were collected using three MRI scanners. We applied a convolutional neural network (CNN) called 3D U-Net for automated SIJ segmentation. Additionally, three CNNs (ResNet50, ResNet101, and DenseNet121) were used to diagnose axSpA-related sacroiliitis using a single modality. The prediction results of all the CNN models across different modalities were integrated using a stacking method based on different algorithms to construct ensemble models, and the optimal ensemble model was used as DLR signature. A combined model incorporating DLR signature with clinical factors was developed using multivariable logistic regression. The performance of the models was evaluated using receiver operating characteristic (ROC) curves, calibration curves, and decision curve analysis (DCA). RESULTS Automated deep learning-based segmentation and manual delineation showed good correlation. ResNet50, as the optimal basic model, achieved an area under the curve (AUC) and accuracy of 0.839 and 0.804, respectively. The combined model yielded the highest performance in diagnosing axSpA-related sacroiliitis (AUC: 0.910; accuracy: 0.856) and outperformed the best ensemble model (AUC: 0.868; accuracy: 0.825) (all P < 0.05). Moreover, the DCA showed good clinical utility in the combined model. CONCLUSION We developed a diagnostic model for axSpA-related sacroiliitis by combining the DLR signature with clinical factors, which resulted in excellent diagnostic performance.
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Affiliation(s)
- Ke Zhang
- Department of Radiology, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Chaoran Liu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, 510280, China
| | - Jielin Pan
- Department of Radiology, Zhuhai People's Hospital, Zhuhai Hospital affiliated with Jinan University, Zhuhai, 519000, China
| | - Yunfei Zhu
- Department of Radiology, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Ximeng Li
- Department of Radiology, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Jing Zheng
- Department of rheumatology, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Yingying Zhan
- Department of Radiology, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Wenjuan Li
- Department of Radiology, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - Shaolin Li
- Department of Radiology, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China.
| | - Guibo Luo
- Shenzhen Graduate School, Peking University, Xili, Nanshan District, Shenzhen 518055, China.
| | - Guobin Hong
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, 510280, China.
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Melekh O, Barajas Ordonez F, Melekh B, Rodríguez-Feria P, Pech M, Flintrop W, Surov A. Association between sacroiliac joint forms and subchondral changes in patients with Crohn's disease. Int J Rheum Dis 2024; 27:e15046. [PMID: 38414165 DOI: 10.1111/1756-185x.15046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/30/2023] [Accepted: 01/11/2024] [Indexed: 02/29/2024]
Abstract
AIM To assess the relationship between anatomical variants of sacroiliac joint (SIJ) and subchondral changes detected in magnetic resonance enterography (MRE) in patients with Crohn's disease (CD). METHODS This was a retrospective study of 60 CD patients, who were divided into two groups: with (n = 16) and without SIJ (n = 44) involvement, depending on the presence of inflammatory (bone marrow edema) and structural changes (sclerosis and erosions) in MRE. Anatomical variants of SIJ were assessed in CT of the abdomen and/or pelvis, distinguishing typical form with convex iliac surface and atypical forms. Univariate and multivariate analyses were performed to reveal an association between joint changes and forms. RESULTS Our study included 60 patients (38 males; mean age 38.72 years ± 13.33). Patients with SIJ changes were older (p = .044). No significant differences in CD localization and behavior were found. The most common SIJ lesions were structural changes (in 75% of patients); the main atypical form was the iliosacral complex. The univariate and multivariate analyses showed a significant association of atypical forms with total subchondral changes (odds ratio [OR]: 3.429, 95% confidence interval [CI] 1.043-11.268; p = .042; OR: 5.066, 95% CI: 1.273-20.167; p = .021, respectively), and with structural changes (OR: 4.185, 95% CI: 1.155-15.160; p = .029; OR: 5.986, 95% CI: 1.293-27.700; p = .022, respectively). CONCLUSION Atypical forms of SIJ are a risk factor for the occurrence of structural joint changes in CD patients. An association between bone marrow edema and atypical forms was not found.
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Affiliation(s)
- Oksana Melekh
- University Clinic for Radiology and Nuclear Medicine, University Hospital Magdeburg, Magdeburg, Germany
| | - Felix Barajas Ordonez
- Department of Diagnostic and Interventional Radiology, University Hospital RWTH, Aachen, Germany
| | - Bohdan Melekh
- University Clinic for Radiology and Nuclear Medicine, University Hospital Magdeburg, Magdeburg, Germany
| | - Pablo Rodríguez-Feria
- Department of International Health, CAPHRI - Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands
| | - Maciej Pech
- University Clinic for Radiology and Nuclear Medicine, University Hospital Magdeburg, Magdeburg, Germany
| | - Wiebke Flintrop
- Department of Pediatrics, University Hospital Magdeburg, Magdeburg, Germany
| | - Alexey Surov
- Institute for Radiology, Neuroradiology and Nuclear Medicine, Johannes Wesling University Hospital by Muehlenkreiskliniken, Ruhr University Bochum, Minden, Germany
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Vereecke E, Jans L, Herregods N, Chen M, Jaremko JL, Laloo F, Carron P, Varkas G, de Hooge M, Van den Bosch F, Elewaut D, Morbée L. Association of anatomical variants of the sacroiliac joint with bone marrow edema in patients with axial spondyloarthritis. Skeletal Radiol 2024; 53:507-514. [PMID: 37682337 DOI: 10.1007/s00256-023-04435-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/17/2023] [Accepted: 08/17/2023] [Indexed: 09/09/2023]
Abstract
OBJECTIVE To determine the prevalence of sacroiliac joint variants in patients with axial spondyloarthritis (axSpA) using MRI-based synthetic CT images and to evaluate their relationships with the presence of bone marrow edema, as this may potentially complicate diagnosing active sacroiliitis on MRI in patients with suspected axSpA. METHODS 172 patients were retrospectively included. All patients underwent MRI because of clinical suspicion of sacroiliitis. The diagnosis of axSpA was made by a tertiary hospital rheumatologist. Two readers independently determined the presence of bone marrow edema and the presence of one or more of the nine known sacroiliac joint (SIJ) variants. RESULTS SIJ variants were common in axSpA patients (82.9%) and the non-SpA group (85.4%); there were no significant differences in prevalence. Bone marrow edema was frequently found in axSpA (86.8%) and non-SpA patients (34%). AxSpA patients with SIJ variants (except for accessory joint) demonstrated 4 to 10 times higher odds for bone marrow edema, however not statistically significant. The more variants were present in this group, the higher the chance of bone marrow edema. However, some multicollinearity cannot be excluded, since bone marrow edema is very frequent in the axSpA group by definition. CONCLUSION SIJ variants are common in axSpA and non-SpA patients. SIJ variants were associated with higher prevalence of bone marrow edema in axSpA patients, potentially due to altered biomechanics, except for accessory joint which may act as a stabilizer.
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Affiliation(s)
- Elke Vereecke
- Department of Radiology, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium.
| | - Lennart Jans
- Department of Radiology, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium
| | - Nele Herregods
- Department of Radiology, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium
| | - Min Chen
- Department of Radiology, Peking University Shenzhen Hospital, Shenzhen, China
| | - Jacob L Jaremko
- Department of Radiology and Diagnostic Imaging, Faculty of Medicine and Dentistry, University of Alberta Hospital, Edmonton, AB, Canada
| | - Frederiek Laloo
- Department of Radiology, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium
| | - Philippe Carron
- Department of Internal Medicine and Pediatrics, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
| | - Gaëlle Varkas
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
- Department of Rheumatology, Jan Palfijn Hospital, Ghent, Belgium
| | - Manouk de Hooge
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
| | - Filip Van den Bosch
- Department of Internal Medicine and Pediatrics, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
| | - Dirk Elewaut
- Department of Internal Medicine and Pediatrics, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium
- Molecular Immunology and Inflammation Unit, VIB-UGent Center for Inflammation Research, Zwijnaarde, Belgium
| | - Lieve Morbée
- Department of Radiology, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Ghent, Belgium
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Arnbak B, Jensen TS, Hendricks O, Østergaard M, Zejden A, Jurik AG, Manniche C. Prognostic value of the clinical and imaging arm of the ASAS criteria for progression of structural sacroiliac joint lesions. Mod Rheumatol 2024; 34:391-398. [PMID: 36508308 DOI: 10.1093/mr/roac154] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/27/2022] [Accepted: 12/08/2022] [Indexed: 02/17/2024]
Abstract
OBJECTIVE To investigate the prognostic value of the two arms of the Assessment of SpondyloArthritis international Society (ASAS) criteria regarding the progression of structural lesions in the sacroiliac joints (SIJs). METHODS Information on baseline fulfilment of the ASAS criteria and baseline and follow-up magnetic resonance imaging of the SIJ in 603 patients aged 18-40 years referred with low back pain to an outpatient spine were collected. Magnetic resonance imaging positivity was defined as bone marrow oedema (BMO) in two or more consecutive slices or two or more lesions in one slice, as described in the ASAS definition of sacroiliitis. RESULTS Of 71 participants fulfilling the ASAS criteria at baseline, 66 (93%) fulfilled the 'imaging arm' and 14 (20%) fulfilled the 'clinical arm'. The 'clinical arm' predicted the progression of erosions with an odds ratio of 55 (compared with not fulfilling the ASAS criteria), while the 'imaging arm' predicted the progression of erosions with an odds ratio of 8. Moreover, in 24% of the patients in the 'imaging arm', all having BMO at the SIJ at baseline, the BMO disappeared without neither erosions nor ankylosis emerging. CONCLUSION We found that the 'clinical arm' was a strong predictor for the progression of SIJ erosion, while the 'imaging arm' had a more modest prognostic value for structural progression.
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Affiliation(s)
- Bodil Arnbak
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Department of Radiology, Hospital Lillebaelt, Vejle, Denmark
| | - Tue Secher Jensen
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Research Department, Chiropractic Knowledge Hub, Odense, Denmark
- Diagnostic Centre - Imaging Section, Silkeborg Regional Hospital, Silkeborg, Denmark
| | - Oliver Hendricks
- Danish Hospital for Rheumatic Diseases, Soenderborg, Denmark
- Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Mikkel Østergaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Centre of Head and Orthopedics, Rigshospitalet, Glostrup, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Anna Zejden
- Department of Radiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Anne Grethe Jurik
- Department of Radiology, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Claus Manniche
- Department of Occupational and Environmental Medicine, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
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Klessinger S, Casser HR, Gillner S, Koepp H, Kopf A, Legat M, Meiler K, Norda H, Schneider M, Scholz M, Slotty PJ, Tronnier V, Vazan M, Wiechert K. Radiofrequency Denervation of the Spine and the Sacroiliac Joint: A Systematic Review based on the Grades of Recommendations, Assesment, Development, and Evaluation Approach Resulting in a German National Guideline. Global Spine J 2024:21925682241230922. [PMID: 38321700 DOI: 10.1177/21925682241230922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2024] Open
Abstract
STUDY DESIGN Systematic review of the literature and subsequent meta-analysis for the development of a new guideline. OBJECTIVES This manuscript summarizes the recommendations from a new clinical guideline published by the German Spine Society. It covers the current evidence on recommendations regarding the indication, test blocks and use of radiofrequency denervation. The guidelines aim is to improve patient care and efficiency of the procedure. METHODS A multidisciplinary working group formulated recommendations based on the Grades of Recommendations, Assessment, Development, and Evaluation (GRADE) approach and the Appraisal of Guidelines for Research and Evaluation II (AGREE II) instrument. RESULTS 20 clinical questions were defined for guideline development, with 87.5% consensus achieved by committee members for one recommendation and 100% consensus for all other topics. Specific questions that were addressed included clinical history, examination and imaging, conservative treatment before injections, diagnostic blocks, the injected medications, the cut-off value in pain-reduction for a diagnostic block as well as the number of blocks, image guidance, the cannula trajectories, the lesion size, stimulation, repeat radiofrequency denervation, sedation, cessation or continuation of anticoagulants, the influence of metal hardware, and ways to mitigate complications. CONCLUSION Radiofrequency (RF) denervation of the spine and the SI joint may provide benefit to well-selected individuals. The recommendations of this guideline are based on very low to moderate quality of evidence as well as professional consensus. The guideline working groups recommend that research efforts in relation to all aspects of management of facet joint pain and SI joint pain should be intensified.
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Affiliation(s)
- Stephan Klessinger
- Neurochirurgie Biberach, Biberach, Germany
- Universitätsklinikum Ulm, Ulm, Germany
| | | | | | - Holger Koepp
- Wirbelsäulenzentrum, St Josefs-Hospital, Wiesbaden, Germany
| | - Andreas Kopf
- Klinik für Anästhesiologie mit Schwerpunkt operative Intensivmedizin, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | | | | | | | | | - Matti Scholz
- ATOS Orthopädische Klinik Braunfels GmbH & Co KG, Braunfels, Germany
| | | | | | - Martin Vazan
- Wirbelsäulen- und Rückenzentrum Dresden, Praxis für Neurochirurgie, Dresden, Germany
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Liu WX, Wu H, Cai C, Lai QQ, Wang Y, Li YZ. Research on automatic recognition radiomics algorithm for early sacroiliac arthritis based on sacroiliac MRI imaging. J Orthop Surg Res 2024; 19:96. [PMID: 38287422 PMCID: PMC10826273 DOI: 10.1186/s13018-024-04569-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 01/16/2024] [Indexed: 01/31/2024] Open
Abstract
OBJECTIVE To create an automated machine learning model using sacroiliac joint MRI imaging for early sacroiliac arthritis detection, aiming to enhance diagnostic accuracy. METHODS We conducted a retrospective analysis involving 71 patients with early sacroiliac arthritis and 85 patients with normal sacroiliac joint MRI scans. Transverse T1WI and T2WI sequences were collected and subjected to radiomics analysis by two physicians. Patients were randomly divided into training and test groups at a 7:3 ratio. Initially, we extracted the region of interest on the sacroiliac joint surface using ITK-SNAP 3.6.0 software and extracted radiomic features. We retained features with an Intraclass Correlation Coefficient > 0.80, followed by filtering using max-relevance and min-redundancy (mRMR) and LASSO algorithms to establish an automatic identification model for sacroiliac joint surface injury. Receiver operating characteristic (ROC) curves were plotted, and the area under the ROC curve (AUC) was calculated. Model performance was assessed by accuracy, sensitivity, and specificity. RESULTS We evaluated model performance, achieving an AUC of 0.943 for the SVM-T1WI training group, with accuracy, sensitivity, and specificity values of 0.878, 0.836, and 0.943, respectively. The SVM-T1WI test group exhibited an AUC of 0.875, with corresponding accuracy, sensitivity, and specificity values of 0.909, 0.929, and 0.875, respectively. For the SVM-T2WI training group, the AUC was 0.975, with accuracy, sensitivity, and specificity values of 0.933, 0.889, and 0.750. The SVM-T2WI test group produced an AUC of 0.902, with accuracy, sensitivity, and specificity values of 0.864, 0.889, and 0.800. In the SVM-bimodal training group, we achieved an AUC of 0.974, with accuracy, sensitivity, and specificity values of 0.921, 0.889, and 0.971, respectively. The SVM-bimodal test group exhibited an AUC of 0.964, with accuracy, sensitivity, and specificity values of 0.955, 1.000, and 0.875, respectively. CONCLUSION The radiomics-based detection model demonstrates excellent automatic identification performance for early sacroiliitis.
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Affiliation(s)
- Wen-Xi Liu
- Department of CT/MRI, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan North Road, Quanzhou, 362000, China
| | - Hong Wu
- Department of CT/MRI, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan North Road, Quanzhou, 362000, China
| | - Chi Cai
- Department of CT/MRI, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan North Road, Quanzhou, 362000, China
| | - Qing-Quan Lai
- Department of CT/MRI, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan North Road, Quanzhou, 362000, China
| | - Yi Wang
- Department of CT/MRI, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan North Road, Quanzhou, 362000, China.
| | - Yuan-Zhe Li
- Department of CT/MRI, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan North Road, Quanzhou, 362000, China.
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Chan SCW, Chung HY. MRI for axial SpA: Diagnosis, disease activity assessment, and recent advances. Int J Rheum Dis 2024; 27:e15014. [PMID: 38287559 DOI: 10.1111/1756-185x.15014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 11/12/2023] [Accepted: 12/12/2023] [Indexed: 01/31/2024]
Abstract
Magnetic resonance imaging (MRI) is a sensitive imaging modality to detect early inflammatory changes in axial spondyloarthritis (SpA). Over a decade has passed since the inclusion of MRI assessment in the 2009 Assessment of SpondyloArthritis International Society (ASAS) classification criteria for axial SpA. Evidence and clinical experience of MRI in axial SpA have accumulated rapidly since. This has led to a better understanding of the clinical utility of MRI in early diagnosis, disease activity assessment, and monitoring of treatment response in axial SpA. Furthermore, technological advancements have paved the way for the development of novel MRI sequences for the quantification of inflammation and image optimization. The field of artificial intelligence has also been explored to aid medical imaging interpretation, including MRI in axial SpA. This review serves to provide an update on the latest understanding of the evolving roles of MRI in axial SpA.
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Affiliation(s)
- Shirley Chiu Wai Chan
- Division of Rheumatology and Clinical Immunology, Department of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Ho Yin Chung
- Division of Rheumatology and Clinical Immunology, Department of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong
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Pastor M, Lukas C, Ramos-Pascual S, Saffarini M, Wantz W, Cyteval C. Sacroiliac joint MRI for diagnosis of ax-SpA: algorithm to improve the specificity of the current ASAS MRI criteria. Eur Radiol 2023; 33:8645-8655. [PMID: 37498385 DOI: 10.1007/s00330-023-09969-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 03/31/2023] [Accepted: 05/26/2023] [Indexed: 07/28/2023]
Abstract
OBJECTIVE To compare sacroiliac joint (SIJ) lesions on MRI in women with versus without axial spondyloarthritis (ax-SpA) and establish an algorithm to determine whether such lesions are due to ax-SpA. METHODS This retrospective comparative study assessed bone marrow edema (BME), sclerosis, erosions, osteophytes, and ankylosis at the SIJ in two groups of women, one with and another without ax-SpA. Sensitivity and specificity were calculated for combinations/characteristics of lesions, using rheumatologists' assessment with assessment of spondyloarthritis international society (ASAS) criteria as the gold standard for diagnosis of ax-SpA. RESULTS Compared to women without ax-SpA, women with ax-SpA had more BME (61% vs 17%, p < 0.001), sclerosis (40% vs 22%, p < 0.001), erosions (35% vs 5%, p < 0.001), and ankylosis (2% vs 0%, p = 0.007), but less osteophytes (5% vs 33%, p < 0.001). The ASAS MRI criteria yielded 59% sensitivity and 88% specificity, while a new algorithm achieved 56% sensitivity and 95% specificity using the following criteria: no osteophytes at the SIJ and either (i) BME at the SIJ with at least one dimension ≥ 8 mm or (ii) at least one erosion at the SIJ. CONCLUSIONS We recommend the following pragmatic algorithm for MRI diagnosis of ax-SpA in women: no osteophytes at the SIJ and either (i) BME at the SIJ with at least one dimension ≥ 8 mm or (ii) at least one erosion at the SIJ. The false positive rate when using the new algorithm (3.3%) is less than half than when using the ASAS MRI criteria (7.7%); thus, its application in clinical practice could reduce overdiagnosis and prevent overtreatment of ax-SpA. CLINICAL RELEVANCE STATEMENT The developed algorithm has a false-positive rate that is less than half than when using the ASAS MRI criteria (3.3% vs 7.7%), thus its application in clinical practice could reduce overdiagnosis and prevent overtreatment of axial spondyloarthritis. KEY POINTS • Compared to women without axial spondyloarthritis (ax-SpA), women with ax-SpA had a significantly higher prevalence of bone marrow edema (BME), sclerosis, erosions, and ankylosis, but a significantly lower prevalence of osteophytes. • A new algorithm for positive ax-SpA based on sacroiliac joint MRI was developed: no osteophytes at the sacroiliac joint (SIJ) and either (i) BME at the SIJ with at least one dimension ≥ 8 mm or (ii) at least one erosion at the SIJ. • We recommend this new algorithm for diagnosis of ax-SpA in women, as it has a significantly better specificity than the assessment of spondyloarthritis international society (ASAS) MRI criteria and less than half the false positive rate; thus, its application in clinical practice could reduce overdiagnosis and prevent overtreatment of ax-SpA.
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Affiliation(s)
- Maxime Pastor
- Osteoarticular Medical Imaging Section, Department of Medical Imaging, Montpellier University Hospital, 34295, Montpellier, France
| | - Cedric Lukas
- Department of Rheumatology, Montpellier University Hospital, 34295, Montpellier, France
| | | | - Mo Saffarini
- ReSurg SA, 22 Rue Saint-Jean, 1260, Nyon, Switzerland
| | - William Wantz
- Osteoarticular Medical Imaging Section, Department of Medical Imaging, Montpellier University Hospital, 34295, Montpellier, France
| | - Catherine Cyteval
- Osteoarticular Medical Imaging Section, Department of Medical Imaging, Montpellier University Hospital, 34295, Montpellier, France
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Karimi A, El-Abtah M, Sinkler M, Faraji N, Voos J, Harlow E, Miskovsky S. Asymptomatic Bone Marrow Edema in Weight-bearing Bones in Athletes and Military Trainees: A Systematic Literature Review. Int J Sports Med 2023; 44:683-691. [PMID: 37263276 DOI: 10.1055/a-2013-2226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Asymptomatic bone marrow edema (aBME) is a non-specific radiographic finding often found in athletes. Although aBME may represent the body's physiological response to training load, the etiology, MRI characteristics, and natural history of aBME remain unknown. To better characterize aBME in the lower extremities of military trainees and athletes. A systematic literature review in accordance with PRISMA guidelines was performed to identify primary research articles reporting on aBME in the lower extremities of athletes and military trainees. We identified 347 unique articles and after applying inclusion and exclusion criteria, 10 articles were included for qualitative synthesis. There were a total of 444 patients with an average age of 28.4±9.6 included. The most commonly used MRI sequences were proton-density with fat-saturation and T1-weighted imaging. The pattern of BME was inconsistently described, with various classification schemas used. The changes in aBME during longitudinal follow-up were dynamic and demonstrated both radiographic progression and regression. aBME is a highly prevalent and radiographically dynamic entity observed in high-level athletes and military trainees. Although follow-up was limited in the included studies, aBME may represent a natural, non-pathologic, reaction in response to specific biomechanical stressors.
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Affiliation(s)
- Amir Karimi
- Medical School, Case Western Reserve University School of Medicine, Cleveland, United States
| | - Mohamed El-Abtah
- Medical School, Case Western Reserve University School of Medicine, Cleveland, United States
| | - Margaret Sinkler
- Department Of Orthopedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, United States
| | - Navid Faraji
- Department of Diagnostic Radiology, Division of Musculoskeletal Radiology, University Hospitals Cleveland Medical Center, Cleveland, United States
| | - James Voos
- Department Of Orthopedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, United States
- University Hospitals Drusinsky Sports Medicine Institute, Cleveland, United States
| | - Ethan Harlow
- Department Of Orthopedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, United States
| | - Shana Miskovsky
- Department Of Orthopedic Surgery, University Hospitals Cleveland Medical Center, Cleveland, United States
- University Hospitals Drusinsky Sports Medicine Institute, Cleveland, United States
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11
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Mauro D, Gandolfo S, Tirri E, Schett G, Maksymowych WP, Ciccia F. The bone marrow side of axial spondyloarthritis. Nat Rev Rheumatol 2023:10.1038/s41584-023-00986-6. [PMID: 37407716 DOI: 10.1038/s41584-023-00986-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2023] [Indexed: 07/07/2023]
Abstract
Spondyloarthritis (SpA) is characterized by the infiltration of innate and adaptive immune cells into entheses and bone marrow. Molecular, cellular and imaging evidence demonstrates the presence of bone marrow inflammation, a hallmark of SpA. In the spine and the peripheral joints, bone marrow is critically involved in the pathogenesis of SpA. Evidence suggests that bone marrow inflammation is associated with enthesitis and that there are roles for mechano-inflammation and intestinal inflammation in bone marrow involvement in SpA. Specific cell types (including mesenchymal stem cells, innate lymphoid cells and γδ T cells) and mediators (Toll-like receptors and cytokines such as TNF, IL-17A, IL-22, IL-23, GM-CSF and TGFβ) are involved in these processes. Using this evidence to demonstrate a bone marrow rather than an entheseal origin for SpA could change our understanding of the disease pathogenesis and the relevant therapeutic approach.
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Affiliation(s)
- Daniele Mauro
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Saviana Gandolfo
- Unit of Rheumatology, San Giovanni Bosco Hospital, Naples, Italy
| | - Enrico Tirri
- Unit of Rheumatology, San Giovanni Bosco Hospital, Naples, Italy
| | - Georg Schett
- Department of Internal Medicine 3, Friedrich-Alexander University (FAU) Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), FAU Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | | | - Francesco Ciccia
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy.
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12
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Axial Spondyloarthritis and Diagnostic Challenges: Over-diagnosis, Misdiagnosis, and Under-diagnosis. Curr Rheumatol Rep 2023; 25:47-55. [PMID: 36602692 DOI: 10.1007/s11926-022-01096-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2022] [Indexed: 01/06/2023]
Abstract
PURPOSE OF REVIEW This article aims to review the challenges in axial spondyloarthritis diagnosis and identify the possible contributing factors. RECENT FINDINGS The inability to reach an accurate diagnosis in a timely fashion can lead to treatment delays and worse disease outcomes. The lack of validated diagnostic criteria and the misuse of the currently available classification criteria could be contributing. There is also significant inter-reader variability in interpreting images, and the radiologic definitions of axial spondyloarthritis continue to be re-defined to improve their positive predictive value. The role of inflammatory back pain features, serologic biomarkers, genetics, and their diagnostic contribution to axial spondyloarthritis continues to be investigated. There is still a significant amount of delay in the diagnosis of axial spondyloarthritis. Appreciating the factors that contribute to this delay is of utmost importance to close the gap. It is similarly important to recognize other conditions that may present with symptoms that mimic axial spondyloarthritis so that misdiagnosis and wrong treatment can be avoided.
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13
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Jurik AG. Diagnostics of Sacroiliac Joint Differentials to Axial Spondyloarthritis Changes by Magnetic Resonance Imaging. J Clin Med 2023; 12:jcm12031039. [PMID: 36769687 PMCID: PMC9917960 DOI: 10.3390/jcm12031039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/22/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
The diagnosis of axial spondyloarthritis (axSpA) is usually based on a pattern of imaging and clinical findings due to the lack of diagnostic criteria. The increasing use of magnetic resonance imaging (MRI) of the sacroiliac joints (SIJ) to establish the diagnosis early in the pre-radiographic phase has resulted in a shift in the paradigm with an increasing frequency of axSpA diagnoses and a changed sex distribution. Non-radiographic axSpA affects males and females nearly equally, whereas ankylosing spondylitis predominantly occurs in males. The MRI-based increasing frequency of axSpA in women is mainly due to the presence of subchondral bone marrow edema (BME) on fluid-sensitive MR sequences, which may be a non-specific finding in both women and men. Due to the somewhat different pelvic tilt and SIJ anatomy, women are more prone than men to develop strain-related MRI changes and may have pregnancy-related changes. Awareness of non-specific subchondral BME at the SIJ is important as it can imply a risk for an incorrect SpA diagnosis, especially as the clinical manifestations of axSpA may also be non-specific. Knowledge of relevant MRI and clinical features of differential diagnoses is needed in the diagnostic workout of patients with suspected axSpA considering that non-SpA-related SIJ conditions are more common in patients with low back or buttock pain than axSpA sacroiliitis. The purpose of this review was to present current knowledge of the most frequent differential diagnoses to axSpA sacroiliitis by MRI taking the clinical characteristics into account.
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Affiliation(s)
- Anne Grethe Jurik
- Department of Radiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus, Denmark;
- Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 82, 8200 Aarhus, Denmark
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14
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El Ouali Z, Gossec L. Challenges in interpreting sacroiliac magnetic resonance imaging for the diagnosis of axial spondyloarthritis. Joint Bone Spine 2023; 90:105470. [PMID: 36184037 DOI: 10.1016/j.jbspin.2022.105470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/13/2022] [Accepted: 09/21/2022] [Indexed: 01/19/2023]
Affiliation(s)
- Zakaria El Ouali
- Rheumatology department, Pitié Salpêtrière hospital, AP-HP, 75013 Paris, France.
| | - Laure Gossec
- Rheumatology department, Pitié Salpêtrière hospital, AP-HP, 75013 Paris, France; Sorbonne Université, Inserm UMRS 1136, Institut Pierre Louis d'Épidémiologie et de Santé Publique, 75013 Paris, France
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15
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de Jong HMY, de Winter JJH, van der Horst-Bruinsma IE, van Schaardenburg DJ, van Gaalen FA, van Tubergen AM, Weel AEAM, Landewé RBM, Baeten DLP, van de Sande MGH. Progression From Subclinical Inflammation to Overt Spondyloarthritis in First-Degree Relatives of Patients in Association With HLA-B27: The Pre-Spondyloarthritis Cohort. Arthritis Care Res (Hoboken) 2022; 74:2076-2084. [PMID: 34219406 PMCID: PMC10087210 DOI: 10.1002/acr.24743] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 05/25/2021] [Accepted: 07/01/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVE As first-degree relatives (FDRs) of HLA-B27-positive patients with axial spondyloarthritis (SpA) have an increased risk of developing axial SpA, the objectives were 1) to evaluate the presence of highly specific imaging features as well as clinical signs of SpA at baseline and after 1 year of follow-up, and 2) to describe the evolution toward clinical disease within 1 year of follow-up in a cohort of seemingly healthy FDRs of HLA-B27-positive axial SpA patients. METHODS The Pre-SpA cohort is a 5-year prospective inception cohort of seemingly healthy FDRs of HLA-B27-positive axial SpA patients. Clinical and imaging features were collected and recorded. RESULTS At baseline, 19% of the FDRs reported inflammatory back pain, 32% current arthralgia, 3% arthritis (ever), 5% enthesitis (ever), and 1% dactylitis (ever), and 3% had an extraarticular manifestation. C-reactive protein level was elevated in 16%, and erythrocyte sedimentation rate was elevated in 7%. On magnetic resonance imaging (MRI) views of sacroiliac joints, 10% had a Spondyloarthritis Research Consortium of Canada score of ≥2, 4% had a score of ≥5, and 4% had deep lesions. In total, 1% fulfilled the modified New York criteria for radiographic sacroiliitis. Clinical, MRI, and acute phase findings were equally distributed between HLA-B27-positive and -negative FDRs. After 1 year of follow-up, clinical parameters did not change on the group level, but 6% of the FDRs were clinically diagnosed with axial SpA, of whom 86% were HLA-B27-positive. CONCLUSION Features associated with SpA or imaging abnormalities were found in up to 32% of seemingly healthy FDRs, with an equal distribution between HLA-B27-positive and -negative FDRs. Progression to clinical axial SpA within 1 year of follow-up was mainly observed in HLA-B27-positive FDRs.
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Affiliation(s)
- Henriëtte M Y de Jong
- Amsterdam UMC, Academic Medical Center/University of Amsterdam, and Amsterdam Rheumatology and Immunology Center, Amsterdam, The Netherlands
| | - Janneke J H de Winter
- Amsterdam UMC, Academic Medical Center/University of Amsterdam, and Amsterdam Rheumatology and Immunology Center, Amsterdam, The Netherlands
| | - Irene E van der Horst-Bruinsma
- Amsterdam Rheumatology and Immunology Center, Amsterdam UMC, and VU University Medical Centre, Amsterdam, The Netherlands
| | - Dirk-Jan van Schaardenburg
- Amsterdam UMC, Academic Medical Center/University of Amsterdam, Amsterdam Rheumatology and Immunology Center, and Reade, Amsterdam, The Netherlands
| | | | - Astrid M van Tubergen
- Maastricht University Medical Center and Maastricht University, Maastricht, The Netherlands
| | | | - Robert B M Landewé
- Amsterdam UMC, Academic Medical Center/University of Amsterdam, and Amsterdam Rheumatology and Immunology Center, Amsterdam, The Netherlands
| | - Dominique L P Baeten
- Amsterdam UMC, Academic Medical Center/University of Amsterdam, and Amsterdam Rheumatology and Immunology Center, Amsterdam, The Netherlands
| | - Marleen G H van de Sande
- Amsterdam UMC, Academic Medical Center/University of Amsterdam, and Amsterdam Rheumatology and Immunology Center, Amsterdam, The Netherlands
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16
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Micheroli R, Tamborrini G, Studler U. [CME Rheumatology 26: Bone Marrow Edema of the Sacro-Iliac Joint = Spondyloarthritis? What the General Practicioner Should Know]. PRAXIS 2022; 111:847-853. [PMID: 36415990 DOI: 10.1024/1661-8157/a003947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
CME Rheumatology 26: Bone Marrow Edema of the Sacro-Iliac Joint = Spondyloarthritis? What the General Practicioner Should Know Abstract. Axial spondyloarthritis is a chronic inflammatory joint disease mainly involving the sacroiliac joints (ISG) and the spine. The diagnosis can be made early due to acute inflammatory changes in the ISG on magnetic resonance imaging (MRI). Radiographs of the ISG do not help in early diagnosis because structural damage is not apparent on radiographs until an advanced stage. In recent years, however, several studies have shown that bone marrow edema - hyperintense signals (= bright spots) as a possible MRI correlate for inflammation - does not specifically occur in axial spondyloarthritis, but can also be seen in healthy people, athletes, people with high mechanical stress (e.g. military recruits) and postpartum women. The diagnosis of axial spondyloarthritis should therefore never be based solely on an MRI finding, but must always include the overall clinical context.
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Affiliation(s)
- Raphael Micheroli
- Klinik für Rheumatologie, Universitätsspital Zürich, Universität Zürich, Zürich, Schweiz
| | - Giorgio Tamborrini
- UZR® - Schweizer Ultraschallzentrum und Institut für Rheumatologie, Basel, Schweiz
- Klinik für Rheumatologie, Universitätsspital Basel, Basel, Schweiz
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17
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Improving the design of RCTs in non-radiographic axial spondyloarthritis. Nat Rev Rheumatol 2022; 18:481-489. [PMID: 35562426 DOI: 10.1038/s41584-022-00789-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/29/2022] [Indexed: 11/09/2022]
Abstract
Concerns have been raised that randomized placebo-controlled trials (RCTs) in non-radiographic axial spondyloarthritis (nr-axSpA) might be failing to identify patients that best show differences in clinical response rates between those receiving active drug and those receiving placebo therapies; in addition, some studies might even be showing spurious differences in responses to TNF and IL-17 inhibitor therapies. In particular, the most recent phase III RCTs in nr-axSpA have reported variable and generally lower response rates than observed in phase III trials of patients with ankylosing spondylitis and in trials conducted a decade ago in patients with early axSpA who were selected on the basis of axial inflammation evident on MRI scans. We argue that these observations at least partly reflect an RCT design that does not take full advantage of MRI to select patients who are responsive to therapy because the current MRI-based inclusion criteria cannot identify patients with axSpA with sufficient specificity. We propose that future studies should be designed using revised patient inclusion criteria based on expanded MRI evaluation and the application of data-driven definitions of a positive MRI for inflammatory and structural lesions typical of axSpA reported in an international multicentre analysis of MRI scans from the Assessment of SpondyloArthritis International Society (ASAS) classification cohort.
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18
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Yang AJ, Schneider BJ, Miller S. Sacroiliac Joint Interventions. Phys Med Rehabil Clin N Am 2022; 33:251-265. [DOI: 10.1016/j.pmr.2022.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Renson T, de Hooge M, De Craemer AS, Deroo L, Lukasik Z, Carron P, Herregods N, Jans L, Colman R, Van den Bosch F, Elewaut D. Progressive increase in sacroiliac joint and spinal mri lesions in healthy individuals in relation to age. Arthritis Rheumatol 2022; 74:1506-1514. [PMID: 35436391 DOI: 10.1002/art.42145] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 01/27/2022] [Accepted: 04/12/2022] [Indexed: 11/10/2022]
Abstract
OBJECTIVES MRI plays a pivotal role in spondyloarthritis (SpA) diagnosis. However, detailed description of MRI findings of the sacroiliac joints (SIJ) and spine in healthy individuals is currently lacking. We therefore sought to evaluate the occurrence of MRI-SIJ/spine lesions in healthy individuals in relation to age. METHODS Ninety-five healthy subjects (20-49 years) underwent MRI-SIJ and -spine. BME and structural lesions of the SIJ were scored using the SPARCC method. Spinal inflammatory and structural lesions were evaluated using the SPARCC MRI spine inflammation index and the CANDEN MRI scoring system, respectively. Fulfillment of the ASAS definition of a positive MRI for sacroiliitis/spondylitis was reviewed. Findings were compared with MRI of axial SpA patients from the Be-GIANT cohort. RESULTS 17.2% of subjects aged ≥30 fulfilled the definition of a positive MRI for sacroiliitis, but this occurred rarely in younger subjects. SIJ erosions (20.0%) and fat metaplasia (13.7%) were detected across all age groups. Erosions were more frequently visualized in subjects aged ≥40 (39.3%). Spinal BME (35.7%) and fat metaplasia (28.6%) were common in subjects older than 40 years. Nonetheless, only one subject had ≥3 corner inflammatory lesions. SIJ and spinal SPARCC scores and total structural lesions scores increased progressively with age. CONCLUSION Contrary to what is commonly believed, structural MRI-SIJ lesions are frequently seen in healthy individuals. Especially in older subjects, the high occurrence of inflammatory and structural MRI lesions impacts their specificity for SpA, which has important implications for the interpretation of MRI in patients with clinical suspicion of SpA.
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Affiliation(s)
- Thomas Renson
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Manouk de Hooge
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Ann-Sophie De Craemer
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Liselotte Deroo
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Zuzanna Lukasik
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Philippe Carron
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Nele Herregods
- Department of Radiology, Ghent University Hospital, Ghent, Belgium
| | - Lennart Jans
- Department of Radiology, Ghent University Hospital, Ghent, Belgium
| | - Roos Colman
- Department of Biostatistics, Ghent University, Ghent, Belgium
| | - Filip Van den Bosch
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Dirk Elewaut
- Department of Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
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20
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Truong SL, McEwan T, Bird P, Lim I, Saad NF, Schachna L, Taylor AL, Robinson PC. Australian Consensus Statements for the Assessment and Management of Non-radiographic Axial Spondyloarthritis. Rheumatol Ther 2021; 9:1-24. [PMID: 34962620 PMCID: PMC8814294 DOI: 10.1007/s40744-021-00416-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 12/09/2021] [Indexed: 12/02/2022] Open
Abstract
Background The understanding of non-radiographic axial spondyloarthritis (nr-axSpA) has accelerated over the last decade, producing a number of practice-changing developments. Diagnosis is challenging. No diagnostic criteria exist, no single finding is diagnostic, and other causes of back pain may act as confounders. Aim To update and expand the 2014 consensus statement on the investigation and management of non‐radiographic axial spondyloarthritis (nr-axSpA). Methods We created search questions based on our previous statements and four new topics then searched the MEDLINE and Cochrane databases. We assessed relevant publications by full-text review and rated their level of evidence using the GRADE system. We compiled a GRADE evidence summary then produced and voted on consensus statements. Results We identified 5145 relevant publications, full-text reviewed 504, and included 176 in the evidence summary. We developed and voted on 22 consensus statements. All had high agreement. Diagnosis of nr-axSpA should be made by experienced clinicians, considering clinical features of spondyloarthritis, blood tests, and imaging. History and examination should also assess alternative causes of back pain and related conditions including non-specific back pain and fibromyalgia. Initial investigations should include CRP, HLA-B27, and AP pelvic radiography. Further imaging by T1 and STIR MRI of the sacroiliac joints is useful if radiography does not show definite changes. MRI provides moderate-to-high sensitivity and high specificity for nr-axSpA. Acute signs of sacroiliitis on MRI are not specific and have been observed in the absence of spondyloarthritis. Initial management should involve NSAIDs and a regular exercise program, while TNF and IL-17 inhibitors can be used for high disease activity unresponsive to these interventions. Goals of treatment include improving the frequent impairment of social and occupational function that occurs in nr-axSpA. Conclusions We provide 22 evidence-based consensus statements to provide practical guidance in the assessment and management of nr-axSpA. Supplementary Information The online version contains supplementary material available at 10.1007/s40744-021-00416-7.
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Affiliation(s)
- Steven L Truong
- School of Medicine and Dentistry, Griffith University, Brisbane, QLD, Australia.
- Coast Joint Care, Maroochydore, QLD, Australia.
| | - Tim McEwan
- School of Clinical Medicine, University of Queensland, Herston Rd, Herston, QLD, 4006, Australia
| | - Paul Bird
- St George Hospital Clinical School, University of New South Wales, Sydney, Australia
| | | | - Nivene F Saad
- Metro South Hospital and Health Service, Princess Alexandra Hospital, Woolloongabba, QLD, Australia
- School of Medicine, University of Queensland, Brisbane, Australia
| | - Lionel Schachna
- Department of Rheumatology, Austin Health, Heidelberg, VIC, Australia
- Department of Medicine, University of Melbourne, Parkville, VIC, Australia
| | - Andrew L Taylor
- Department of Rheumatology, Medical School, Fiona Stanley Hospital, University of Western Australia, Perth, Australia
| | - Philip C Robinson
- Metro North, Hospital and Health Service, Royal Brisbane and Women's Hospital, Brisbane, QLD, Australia
- School of Clinical Medicine, University of Queensland, Royal Brisbane and Women's Hospital, Bowen Bridge Road, Herston, QLD, 4006, Australia
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21
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Romero-López JP, Elewaut D, Pacheco-Tena C, Burgos-Vargas R. Inflammatory Foot Involvement in Spondyloarthritis: From Tarsitis to Ankylosing Tarsitis. Front Med (Lausanne) 2021; 8:730273. [PMID: 34692724 PMCID: PMC8531414 DOI: 10.3389/fmed.2021.730273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 09/06/2021] [Indexed: 11/13/2022] Open
Abstract
Spondyloarthritis (SpA) is a group that includes a wide spectrum of clinically similar diseases manifested by oligoarticular arthritis and axial or peripheral ankylosis. Although axial SpA is predominant in Caucasians and adult-onset patients, juvenile-onset and Latin American patients are characterized by severe peripheral arthritis and particularly foot involvement. The peripheral involvement of SpA can vary from tarsal arthritis to the most severe form named ankylosing tarsitis (AT). Although the cause and etiopathogenesis of axSpA are often studied, the specific characteristics of pSpA are unknown. Several animal models of SpA develop initial tarsitis and foot ankylosis as the main signs, emphasizing the role of foot inflammation in the overall SpA spectrum. In this review, we attempt to highlight the clinical characteristics of foot involvement in SpA and update the knowledge regarding its pathogenesis, focusing on animal models and the role of mechanical forces in inflammation.
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Affiliation(s)
- José Pablo Romero-López
- Laboratorio A4, Carrera de Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Mexico
- Laboratorio de Inmunología Clínica 1, Posgrado en Ciencias Quimicobiológicas, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional de México, Ciudad de México, Mexico
| | - Dirk Elewaut
- Ghent University Hospital, Ghent University, Ghent, Belgium
| | - César Pacheco-Tena
- Facultad de Medicina, Universidad Autónoma de Chihuahua, Chihuahua, Mexico
| | - Rubén Burgos-Vargas
- Department of Rheumatology, Hospital General de México, “Dr. Eduardo Liceaga”, Ciudad de México, Mexico
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22
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Ermann J. Pathogenesis of Axial Spondyloarthritis - Sources and Current State of Knowledge. Rheum Dis Clin North Am 2021; 46:193-206. [PMID: 32340695 DOI: 10.1016/j.rdc.2020.01.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Scientific breakthroughs have culminated in the development of the spondyloarthritis (SpA) concept as a family of rheumatic diseases, distinct from rheumatoid arthritis. The demonstration of inflammatory lesions in the sacroiliac joints and spine of patients with axial symptoms of SpA who lacked radiographic features of ankylosing spondylitis (AS) helped refine the SpA concept. Axial SpA includes patients with AS and patients with axial symptoms previously categorized as undifferentiated SpA. This review examines the sources of knowledge that inform axial SpA pathogenesis, highlighting current limitations, and a basic working model of axial SpA pathogenesis.
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Affiliation(s)
- Joerg Ermann
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, HBTM, Room 06002P, 60 Fenwood Road, Boston, MA 02115, USA.
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23
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Barnsley L, Paiva J, Barnsley L. Frequency of pertinent MRI abnormalities of the sacroiliac joints of patients without spondyloarthropathies: a systematic review of the literature. Skeletal Radiol 2021; 50:1741-1748. [PMID: 33547535 DOI: 10.1007/s00256-021-03719-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 12/21/2020] [Accepted: 01/17/2021] [Indexed: 02/02/2023]
Abstract
INTRODUCTION MRI criteria are central to the diagnosis of non-radiographic axial spondyloarthropathy (nr-axSpA). The cardinal feature of nr-axSpa is inflammatory low back pain, which may be difficult to distinguish from highly prevalent non-specific low back pain. This study aims to determine the frequency of relevant MRI findings in the sacroiliac joints (SIJ) of patients without Spondyloarthropathy (SpA), and therefore estimate the specificity of MRI scans for SpA. METHODS EMBASE and Medline were searched and limited to English. Titles were screened for relevance, with studies that included primary MRI findings in patients without SpA triggering retrieval. Retrieved papers were reviewed, data extracted by two authors and quality criteria (QUADAS 2) were applied. Findings were considered for asymptomatic and symptomatic individuals. RESULTS The search recovered 2172 articles. Abstracts of 117 were reviewed for full text retrieval, 11 papers met eligibility criteria. These papers described MRI findings of 1180 asymptomatic patients and 1318 with low back symptoms but without SpA. In relevant populations, bone marrow oedema was found in 22% (95% CI 19-25) of asymptomatic and 20% (95% CI 18-22) of asymptomatic individuals. In all non-Spa patients, sclerosis was found in 13.4% and erosions in 6.5%. CONCLUSIONS There is a significant frequency of diagnostically pertinent MRI abnormalities in the SIJ of patients without SpA. These are present in both asymptomatic and symptomatic individuals. Findings, such as oedema and sclerosis, lack specificity and should be interpreted with caution. Erosions are less frequent and are likely more specific for SpA.
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Affiliation(s)
- Lara Barnsley
- Western Health, 160 Gordon Street, Footscray, Victoria, 3011, Australia.
| | - Joseph Paiva
- Western Health, 160 Gordon Street, Footscray, Victoria, 3011, Australia
| | - Leslie Barnsley
- Department of Rheumatology, Department of Medicine University of Sydney, Concord Hospital, Hospital Rd, Concord, NSW, 2139, Australia
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Kiil RM, Mistegaard CE, Jurik AG, Christiansen AA, Hendricks O, Schiøttz-Christensen B, Loft AG. Diagnosing axial spondyloarthritis by multidiciplinary team conference at 3.5 years' follow-up in a cohort of patients with disease features according to the ASAS criteria. Scand J Rheumatol 2021; 51:291-299. [PMID: 34263690 DOI: 10.1080/03009742.2021.1933584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVES During the past two decades, magnetic resonance imaging (MRI) has increasingly been used diagnostically in axial spondyloarthritis (axSpA), and in 2009 MRI was introduced in the Assessment of SpondyloArthritis Society (ASAS) classification criteria. In clinical practice, there is a risk of overdiagnosis if MRI findings are not related to clinical and biochemical findings. The aim of this study was to provide an estimate of the prevalence of axSpA in a cohort of clinical patients with low back pain and findings suggestive of axSpA according to ASAS through consensus diagnosis at a multi-disciplinary team (MDT) conference, and to describe the performance of the features included in the ASAS criteria. METHOD Consensus diagnoses of axSpA at MDT conferences were retrospectively established at 3.5 years' follow-up in a cohort of 84 patients, initially referred with disease features according to the ASAS criteria. Patients were examined clinically regarding spondyloarthritis features, and biochemical tests and MRI of the sacroiliac joints and entire spine were performed at baseline and after a mean of 3.5 years. RESULTS According to the MDT consensus, 25 patients (30%) of the total cohort had axSpA at follow-up; 40% of individuals who fulfilled the ASAS criteria at baseline had axSpA, and 37% at follow-up; 96% of axSpA patients according to the MDT consensus met the ASAS criteria at baseline and 92% at follow-up. CONCLUSION Approximately one-third of the included patients had axSpA when evaluated at the MDT conference. The ASAS criteria had low predictive value, but high sensitivity at both baseline and follow-up.
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Affiliation(s)
- R M Kiil
- Department of Radiology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - C E Mistegaard
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark.,Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark
| | - A G Jurik
- Department of Radiology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - A A Christiansen
- Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark.,Danish Hospital for Rheumatic Diseases, Sønderborg, Denmark
| | - O Hendricks
- Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark.,Danish Hospital for Rheumatic Diseases, Sønderborg, Denmark
| | - B Schiøttz-Christensen
- Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark.,Research Department, Spine Centre of Southern Denmark, Hospital Lillebaelt, Middelfart, Denmark
| | - A G Loft
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark.,Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark
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25
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Ye L, Miao S, Xiao Q, Liu Y, Tang H, Li B, Liu J, Chen D. A predictive clinical-radiomics nomogram for diagnosing of axial spondyloarthritis using MRI and clinical risk factors. Rheumatology (Oxford) 2021; 61:1440-1447. [PMID: 34247247 DOI: 10.1093/rheumatology/keab542] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/14/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Construct and validate a nomogram model integrating the radiomics features and the clinical risk factors to differentiating axial spondyloarthritis (axSpA) in low back pain patients undergone sacroiliac joint (SIJ)- magnetic resonance imaging (MRI). METHODS 638 patients confirmed as axSpA (n= 424) or non-axSpA (n = 214) who were randomly divided into training (n = 447) and validation cohorts (n = 191). Optimal radiomics signatures were constructed from the 3.0T SIJ-MRI using maximum relevance-minimum redundancy (mRMR) and the least absolute shrinkage and selection operator (LASSO) algorithm in the training cohort. We also included six clinical risk predictors to build clinical model. Incorporating the independent clinical factors and Rad-score, a nomogram model was constructed by multivariable logistic regression analysis. The performance of the clinical, Rad-score, and nomogram model were evaluated by ROC analysis, calibration curve and decision curve analysis (DCA). RESULTS 1316 features were extracted and reduced to 15 features to build the Rad-score. The Rad-score allowed a good discrimination in the training (AUC, 0.82; 95% CI, 0.77-0.86) and the validation cohort (AUC, 0.82; 95% CI, 0.76-0.88). The clinical-radiomics nomogram model also showed favorable discrimination in the training (AUC, 0.90; 95% CI, 0.86-0.93) and the validation cohort (AUC, 0.90; 95% CI, 0.85-0.94). Calibration curves (p > 0.05) and DCA demonstrated the nomogram was useful for axSpA diagnosis in the clinical environment. CONCLUSION The study proposed a radiomics model was able to separate axSpA and non-axSpA. The clinical-radiomics nomogram can increase the efficacy for differentiating axSpA, which might facilitate clinical decision-making process.
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Affiliation(s)
- Lusi Ye
- Department of Rheumatology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shouliang Miao
- Department of Radiology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qinqin Xiao
- Department of Radiology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuncai Liu
- Department of Radiology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hongyan Tang
- Department of Rheumatology, First People's Hospital of Aksu Prefecture, Aksu, Xinjiang, China
| | - Bingyu Li
- Department of Rheumatology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jinjin Liu
- Department of Radiology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Dan Chen
- Department of Rheumatology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
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Imaging in Axial Spondyloarthritis: What is Relevant for Diagnosis in Daily Practice? Curr Rheumatol Rep 2021; 23:66. [PMID: 34218356 DOI: 10.1007/s11926-021-01030-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE OF REVIEW To explore how imaging may assist diagnosing axial spondyloarthritis in rheumatology practice. RECENT FINDINGS A diagnosis of axial spondyloarthritis is based on pattern recognition by synthesizing clinical, laboratory, and imaging findings. In health care settings providing low threshold access to advanced imaging, sacroiliac joint MRI is the preferred imaging modality in clinically suspected axial spondyloarthritis. In daily routine, the optimum protocol to assess suspected inflammatory back pain combines sacroiliac joint and spine MRI fitting a 30-min slot. Contextual assessment of concomitant structural and active MRI lesions is key to enhance diagnostic utility. In women with postpartum back pain suggestive of axial spondyloarthritis, recent reports advocate waiting 6-12 months after delivery before acquiring sacroiliac joint MRI. Major unmet needs are consistent MRI protocols, standardized training modules on how to evaluate axial MRI, and timely dissemination of imaging advances into mainstream practice both in rheumatology and in radiology. In rheumatology practice, MRI has become indispensable to help diagnose early axial spondyloarthritis. However, major gaps in training and knowledge transfer to daily care need to be closed.
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Anatomical Joint Form Variation in Sacroiliac Joint Disease: Current Concepts and New Perspectives. Curr Rheumatol Rep 2021; 23:60. [PMID: 34216295 PMCID: PMC8254711 DOI: 10.1007/s11926-021-01033-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2021] [Indexed: 12/18/2022]
Abstract
Purpose of Review The aim of this article is to further the understanding of anatomical variation of the sacroiliac joint (SIJ) within the rheumatological community and point out promising fields of research in the interplay of SIJ anatomy and joint disease. Recent Findings Mechanical strain has long been implicated in onset and progression of axial spondyloarthritis (axSpA). Recent investigations found changes in the pattern of degenerative lesions of the SIJ in the normal population in patients with atypical joint forms. Furthermore, atypical SIJ forms are more prevalent in patients with axial spondyloarthritis and mechanical SIJ disease. Summary Mechanical stress from anatomical joint form variation may have an impact on development and progression of axSpA. Furthermore, mechanically induced bone marrow edema may act as an axSpA mimic on MRI and needs to be more accurately classified.
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Simon D, Kleyer A, Bayat S, Knitza J, Valor-Mendez L, Schweiger M, Schett G, Tascilar K, Hueber AJ. Biomechanical stress in the context of competitive sports training triggers enthesitis. Arthritis Res Ther 2021; 23:172. [PMID: 34154651 PMCID: PMC8215784 DOI: 10.1186/s13075-021-02530-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/11/2021] [Indexed: 01/22/2023] Open
Abstract
OBJECTIVE To evaluate the influence of mechanical stress on the development of immediate enthesitis. METHODS The BEAT study is an interventional study that assessed entheses in competitive badminton players before and immediately after a 60-min intensive training session. Power Doppler (PD) signal and Gray scale (GS) changes were assessed in the insertion sites of both Achilles tendon, patellar tendons, and lateral humeral epicondyles and quantified using a validated scoring system. RESULTS Thirty-two badminton players were included. One hundred ninety-two entheseal sites were examined twice. The respective empirical total scores for PD examination were 0.1 (0.3) before and 0.5 (0.9) after training. Mean total GS scores were 2.9 (2.5) and 3.1 (2.5) before and after training, respectively. The mean total PD score difference of 0.4 between pre- and post-training was significant (p = 0.0014), whereas no significant difference for the mean total GS score was observed. Overall, seven participants (22%) showed an increased empirical total PD score. A mixed effects model showed a significant increase of PD scores after training, with a mean increase per site of 0.06 (95% CI 0.01 to 0.12, p = 0.017). CONCLUSIONS Mechanical stress leads to rapid inflammatory responses in the entheseal structures of humans. These data support the concept of mechanoinflammation in diseases associated with enthesitis.
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Affiliation(s)
- David Simon
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany. .,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany. .,Rheumazentrum Erlangen, 91054, Erlangen, Germany.
| | - Arnd Kleyer
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Rheumazentrum Erlangen, 91054, Erlangen, Germany
| | - Sara Bayat
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Rheumazentrum Erlangen, 91054, Erlangen, Germany
| | - Johannes Knitza
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Rheumazentrum Erlangen, 91054, Erlangen, Germany
| | - Larissa Valor-Mendez
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Rheumazentrum Erlangen, 91054, Erlangen, Germany
| | - Marina Schweiger
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Rheumazentrum Erlangen, 91054, Erlangen, Germany
| | - Georg Schett
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Rheumazentrum Erlangen, 91054, Erlangen, Germany
| | - Koray Tascilar
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany.,Rheumazentrum Erlangen, 91054, Erlangen, Germany
| | - Axel J Hueber
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany. .,Deutsches Zentrum Immuntherapie, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054, Erlangen, Germany. .,Rheumazentrum Erlangen, 91054, Erlangen, Germany. .,Section Rheumatology, Sozialstiftung Bamberg, 96049, Bamberg, Germany.
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Ankylosing spondylitis: an autoimmune or autoinflammatory disease? Nat Rev Rheumatol 2021; 17:387-404. [PMID: 34113018 DOI: 10.1038/s41584-021-00625-y] [Citation(s) in RCA: 114] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2021] [Indexed: 12/20/2022]
Abstract
Ankylosing spondylitis (AS) is a chronic inflammatory disorder of unknown aetiology. Unlike other systemic autoimmune diseases, in AS, the innate immune system has a dominant role characterized by aberrant activity of innate and innate-like immune cells, including γδ T cells, group 3 innate lymphoid cells, neutrophils, mucosal-associated invariant T cells and mast cells, at sites predisposed to the disease. The intestine is involved in disease manifestations, as it is at the forefront of the interaction between the mucosal-associated immune cells and the intestinal microbiota. Similarly, biomechanical factors, such as entheseal micro-trauma, might also be involved in the pathogenesis of the articular manifestation of AS, and sentinel immune cells located in the entheses could provide links between local damage, genetic predisposition and the development of chronic inflammation. Although these elements might support the autoinflammatory nature of AS, studies demonstrating the presence of autoantibodies (such as anti-CD74, anti-sclerostin and anti-noggin antibodies) and evidence of activation and clonal expansion of T cell populations support an autoimmune component to the disease. This Review presents the evidence for autoinflammation and the evidence for autoimmunity in AS and, by discussing the pathophysiological factors associated with each, aims to reconcile the two hypotheses.
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Seven S, Østergaard M, Morsel-Carlsen L, Sørensen IJ, Bonde B, Thamsborg G, Lykkegaard JJ, Pedersen SJ. Morphological characteristics of sacroiliac joint MRI lesions in axial spondyloarthritis and control subjects. Rheumatology (Oxford) 2021; 61:1005-1017. [PMID: 34097000 DOI: 10.1093/rheumatology/keab468] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/17/2021] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES To investigate sacroiliac joint(SIJ) MRI inflammation, structural and degenerative lesion characteristics in patients with axial spondyloarthritis(axSpA) and various control groups. METHODS Patients with axSpA(n = 41) and lumbar disc herniation(n = 25), women with(n = 46) and without(n = 14) post-partum(childbirth within 4-16 months) buttock/pelvic pain, cleaning assistants(n = 26), long-distance runners(n = 23) and healthy men(n = 29) had MRI of the SIJs prospectively performed. MRI lesions were assessed on 9 slices covering the cartilaginous compartment by two experienced readers according to the definitions of the Spondyloarthritis Research Consortium of Canada(SPARCC) SIJ inflammation and structural scores, and were evaluated according to depth and extent. Other morphological characteristics were also analysed. RESULTS Total depth scores for bone marrow oedema(BME) and fat lesion(FAT) and total extent score for erosion were statistically significantly highest in axSpA, while scores for sclerosis were numerically highest in women with post-partum pain. Maximum BME depth > 10mm was frequently and exclusively found in axSpA and post-partum women(39% vs 14-17%) while FAT depth > 5mm was predominantly found in axSpA(76% vs 0-10%). Erosions were primarily seen in axSpA, especially when extensive(≥4 or confluent; 17% vs 0%). Capsulitis was absent in non-axSpA groups. BME and FAT in the ligamentous compartment were primarily found in axSpA(17/22% vs 0/2% in non-axSpA groups). In non-axSpA, osteophytes(axSpA vs non-axSpA: 0% vs 3-17%) and vacuum phenomenon(7% vs 30-66%) were more frequent, and the joint space was wider(mean(SD) 1.5(0.9)mm vs 2.2(0.5)mm). CONCLUSIONS FAT depth > 5mm, but not BME depth > 10mm, could almost differentiate axSpA patients from all other groups. When excluding post-partum women, BME >5mm and erosion were highly specific for axSpA.
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Affiliation(s)
- Sengül Seven
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet, Glostrup, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Mikkel Østergaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet, Glostrup, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | | | - Inge Juul Sørensen
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet, Glostrup, Denmark
| | - Birthe Bonde
- The Birthe Bonde Clinic of Physiotherapy, Copenhagen, Denmark
| | - Gorm Thamsborg
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet, Glostrup, Denmark
| | - Jens Jørgen Lykkegaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet, Glostrup, Denmark
| | - Susanne Juhl Pedersen
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet, Glostrup, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Seven S, Østergaard M, Morsel-Carlsen L, Sørensen IJ, Bonde B, Thamsborg G, Lykkegaard JJ, Pedersen SJ. Anatomic Distribution of Sacroiliac Joint Lesions on Magnetic Resonance Imaging in Patients With Axial Spondyloarthritis and Control Subjects: A Prospective Cross‐Sectional Study, Including Postpartum Women, Patients With Disc Herniation, Cleaning Staff, Runners, and Healthy Individuals. Arthritis Care Res (Hoboken) 2021; 73:742-754. [DOI: 10.1002/acr.24473] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 09/24/2020] [Indexed: 01/21/2023]
Affiliation(s)
- Sengül Seven
- Copenhagen Center for Arthritis Research Center for Rheumatology and Spine Diseases Center of Head and Orthopedics, Rigshospitalet, Glostrup, and University of Copenhagen Copenhagen Denmark
| | - Mikkel Østergaard
- Copenhagen Center for Arthritis Research Center for Rheumatology and Spine Diseases Center of Head and Orthopedics, Rigshospitalet, Glostrup, and University of Copenhagen Copenhagen Denmark
| | | | - Inge J. Sørensen
- Copenhagen Center for Arthritis Research Center for Rheumatology and Spine Diseases Center of Head and Orthopedics Rigshospitalet Glostrup Denmark
| | - Birthe Bonde
- The Birthe Bonde Clinic of Physiotherapy Copenhagen Denmark
| | - Gorm Thamsborg
- Copenhagen Center for Arthritis Research Center for Rheumatology and Spine Diseases Center of Head and Orthopedics Rigshospitalet Glostrup Denmark
| | - Jens J. Lykkegaard
- Copenhagen Center for Arthritis Research Center for Rheumatology and Spine Diseases Center of Head and Orthopedics Rigshospitalet Glostrup Denmark
| | - Susanne J. Pedersen
- Copenhagen Center for Arthritis Research Center for Rheumatology and Spine Diseases Center of Head and Orthopedics, Rigshospitalet, Glostrup, and University of Copenhagen Copenhagen Denmark
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Abstract
PURPOSE OF REVIEW MRI has, as the only imaging modality, the ability to visualize both the inflammatory and destructive aspects of sacroiliitis and is a crucial element in the diagnosis and classification of axial spondyloarthritis (axSpA). However, the MRI appearance of several potential differential diagnoses may resemble axSpA sacroiliitis. RECENT FINDINGS The appearances of sacroiliac joint (SIJ) MRIs of various diseased and healthy populations have recently been intensively studied. BME, the key requirement in the Assessment of Spondyloarthritis international Society (ASAS) definition of a 'MRI positive of sacroiliitis' may also be found in degenerative disease, athletes and healthy persons, and, particularly, postpartum women. Certain pattern of BME (high extent, large depth from articular surface, close relation to other lesion types) as well as the presence of structural lesions, particularly bone erosion, backfill or ankylosis increase the likelihood/specificity of being axSpA. Furthermore, old and novel MRI approaches to best distinguish the sacroiliitis of early axSpA from differential diagnoses have recently been tested and compared. SUMMARY Significant new and clinically relevant knowledge has been gained, but further research is still needed to optimally distinguish what is and what isn't sacroiliitis.
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Caetano AP, Mascarenhas VV, Machado PM. Axial Spondyloarthritis: Mimics and Pitfalls of Imaging Assessment. Front Med (Lausanne) 2021; 8:658538. [PMID: 33968964 PMCID: PMC8100693 DOI: 10.3389/fmed.2021.658538] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/11/2021] [Indexed: 01/15/2023] Open
Abstract
Axial spondyloarthritis (axSpA) is a chronic inflammatory disorder that predominantly involves the axial skeleton. Imaging findings of axSpA can be divided into active changes, which include bone marrow edema, synovitis, enthesitis, capsulitis, and intra-articular effusion, and structural changes, which include erosions, sclerosis, bone fatty infiltration, fat deposition in an erosion cavity, and bone bridging or ankylosis. The ability to distinguish between imaging lesions suggestive of axSpA and artifacts or lesions suggestive of other disorders is critical for the accurate diagnosis of axSpA. Diagnosis may be challenging, particularly in early-stage disease and magnetic resonance imaging (MRI) plays a key role in the detection of subtle or inflammatory changes. MRI also allows the detection of structural changes in the subchondral bone marrow that are not visible on conventional radiography and is of prognostic and monitoring value. However, bone structural changes are more accurately depicted using computed tomography. Conventional radiography, on the other hand, has limitations, but it is easily accessible and may provide insight on gross changes as well as rule out other pathological features of the axial skeleton. This review outlines the imaging evaluation of axSpA with a focus on imaging mimics and potential pitfalls when assessing the axial skeleton.
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Affiliation(s)
- António Proença Caetano
- Radiology Department, Hospital de Curry Cabral, Centro Hospitalar Universitário Lisboa Central, Lisbon, Portugal
| | - Vasco V Mascarenhas
- Musculoskeletal Imaging Unit, Grupo Luz Saúde, Radiology Department, Imaging Center, Hospital da Luz, Lisbon, Portugal.,EpiDoC Unit, Chronic Diseases Research Centre, NOVA Medical School, Lisbon, Portugal
| | - Pedro M Machado
- Centre for Rheumatology & Department of Neuromuscular Diseases, University College London, London, United Kingdom.,National Institute for Health Research (NIHR) Biomedical Research Centre, University College London Hospitals National Health Service Foundation Trust, London, United Kingdom.,Department of Rheumatology, London North West University Healthcare National Health Service Trust, London, United Kingdom
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Baraliakos X, Ghadir A, Fruth M, Kiltz U, Redeker I, Braun J. Which Magnetic Resonance Imaging Lesions in the Sacroiliac Joints Are Most Relevant for Diagnosing Axial Spondyloarthritis? A Prospective Study Comparing Rheumatologists’ Evaluations With Radiologists’ Findings. Arthritis Rheumatol 2021; 73:800-805. [DOI: 10.1002/art.41595] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 11/17/2020] [Indexed: 12/17/2022]
Affiliation(s)
- X. Baraliakos
- Rheumazentrum Ruhrgebiet, Herne, Germany, and Ruhr‐Universität Bochum Bochum Germany
| | | | | | - U. Kiltz
- Rheumazentrum Ruhrgebiet, Herne, Germany, and Ruhr‐Universität Bochum Bochum Germany
| | - I. Redeker
- German Rheumatism Research Center Berlin Berlin Germany
| | - J. Braun
- Rheumazentrum Ruhrgebiet, Herne, Germany, and Ruhr‐Universität Bochum Bochum Germany
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Rusman T, van der Weijden MAC, Nurmohamed MT, Landewé RBM, de Winter JJH, Boden BJH, Bet PM, van der Bijl CMA, van der Laken C, van der Horst-Bruinsma IE. Is Treatment in Patients With Suspected Nonradiographic Axial Spondyloarthritis Effective? Six-Month Results of a Placebo-Controlled Trial. Arthritis Rheumatol 2021; 73:806-815. [PMID: 33277982 PMCID: PMC8251708 DOI: 10.1002/art.41607] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 12/01/2020] [Indexed: 01/15/2023]
Abstract
Objective To investigate the efficacy of 16‐week treatment with etanercept (ETN) in patients with suspected nonradiographic axial spondyloarthritis (SpA). Methods Tumor necrosis factor inhibitor–naive patients with inflammatory back pain with at least 2 SpA features and high disease activity (Bath Ankylosing Spondylitis Disease Activity Index score ≥4), without the requirement of a positive finding on magnetic resonance imaging (MRI) of the sacroiliac (SI) joint and/or elevated C‐reactive protein (CRP) level, were randomized (1:1) to receive ETN (n = 40) or placebo (n = 40) for 16 weeks and subsequently were followed up for a further 8 weeks (to 24 weeks from baseline) without study medication. The primary end point was the Assessment of SpondyloArthritis international Society 20 (ASAS20) response at 16 weeks. Secondary end points included the Ankylosing Spondylitis Disease Activity Score (ASDAS) and changes in disease parameters, including the Bath Ankylosing Spondylitis Metrology Index (BASMI), CRP level, erythrocyte sedimentation rate (ESR), and Spondyloarthritis Research Consortium of Canada index scores (MRI of the SI joint), after 16 and 24 weeks. Results Patient characteristics at baseline were comparable between the ETN and placebo groups. At 16 weeks, there was no significant difference in the percentage of patients exhibiting ASAS20 response between the ETN group (6 patients [16.7%]) and the placebo group (4 patients [11.1%]) (relative risk 0.7 [95% confidence interval 0.2–2.2], P = 0.5). Only the ESR showed more improvement in the ETN group compared to the placebo group at 16 weeks (decreases of 2.2 mm/hour and 1.4 mm/hour, respectively), but the difference did not reach statistical significance. Between 16 and 24 weeks, without study medication, the BASMI, CRP level, and ESR had worsened to a greater extent in the ETN group compared to the placebo group, with the difference being significant for the CRP level. Conclusion This study shows that in patients with suspected nonradiographic axial SpA with high disease activity but without the requirement of a positive finding on SI joint MRI and/or elevated CRP level, treatment with ETN is not effective.
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Affiliation(s)
- Tamara Rusman
- VU University Medical Center, Amsterdam, The Netherlands
| | | | | | | | | | - Bouke J H Boden
- Onze Lieve Vrouwe Gasthuis (OLVG), Amsterdam, The Netherlands
| | - Pierre M Bet
- VU University Medical Center, Amsterdam, The Netherlands
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Characteristics of the spinopelvic parameters of patients with sacroiliac joint pain. Sci Rep 2021; 11:5189. [PMID: 33664386 PMCID: PMC7970840 DOI: 10.1038/s41598-021-84737-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 02/17/2021] [Indexed: 12/15/2022] Open
Abstract
To evaluate the characteristics of the spinopelvic parameters on radiography in patients with sacroiliac joint pain (SIJP). Two hundred fifty patients were included and divided into the SIJP group (those diagnosed with SIJP based on physical findings and response to analgesic periarticular injections; n = 53) and the non-SIJP group (those with low back pain [LBP] because of other reasons; n = 197). We compared their demographic characteristics and spinopelvic parameters using radiography. All differences found in the patients' demographic characteristics and spinopelvic parameters were analyzed. More female participants experienced SIJP than male participants (P = 0.0179). Univariate analyses revealed significant differences in pelvic incidence (PI) (P = 0.0122), sacral slope (SS) (P = 0.0034), and lumbar lordosis (LL) (P = 0.0078) between the groups. The detection powers for PI, SS, and LL were 0.71, 0.84, and 0.66, respectively. Logistic regression analyses, after adjustment for age and sex, revealed significant differences in PI (P = 0.0308) and SS (P = 0.0153) between the groups, with odds ratios of 1.03 and 1.05, respectively. More female participants experienced SIJP than male participants. Higher PI and SS values were related to SIJP among LBP patients.
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Zheng Q, Liu W, Huang Y, Gao Z, Wu Y, Wang X, Cai M, He Y, Chen S, Wang B, Liu L, Chen S, Huang H, Zheng L, Kang R, Zeng X, Chen J, Chen H, Chen J, Li Z, Shi G. Predictive Value of Active Sacroiliitis in MRI for Flare Among Chinese Patients with Axial Spondyloarthritis in Remission. Rheumatol Ther 2021; 8:411-424. [PMID: 33598865 PMCID: PMC7991070 DOI: 10.1007/s40744-021-00279-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/12/2021] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION In recent axSpAx patients with remission lasting at least 3 months and later followed-up monthly for a median of 8 months, we compared the predictive value of baseline MRI of sacroiliac joints and constructed a nomogram model for predicting flare. METHODS This study included 251 patients with axial spondyloarthritis, according to the ASAS axSpA classification criteria, who achieved Low Disease Activity (ASDAS) and underwent MRI examination. A total of 144 patients from the First Affiliated Hospital of Xiamen University were used as the nomogram training set; 107 from the First Affiliated Hospital of Fujian Medical University were for external validation. RESULTS The median time of relapse was 8.705 months (95% CI 8.215-9.195) and 7.781 months (95% CI 7.075-8.486) for MRI-positive patients and 9.8 months (95% CI 9.273-10.474) for MRI negative patients, respectively. Both active sacroiliitis on MRI (HR 1.792, 95% CI 1.230-2.611) and anti-TNF-α treatments (HR 0.507, 95% CI 0.349-0.736) were significantly associated with disease flares. Gender, disease duration, HLA-B27, MRI, and anti-TNF-α treatment were selected as predictors of the nomogram. The areas under the ROC curve (AUROCs) of the 1-year remission probability in the training and validation groups were 0.71 and 0.729, respectively. Nomogram prediction models present better AUROCs, C-indices, and decision curve analysis cure than the clinical experience model. CONCLUSIONS Active sacroiliitis in MRI requires weighting in order to estimate remission and disease flares, when axSpA patients achieve low disease activity. The simple nomogram might be able to discriminate and calibrate in clinical practice. TRIAL REGISTRATION ClinicalTrials, NCT03425812, Registered 8 February 2018, https://clinicaltrials.gov.
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Affiliation(s)
- Qing Zheng
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Wen Liu
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
| | - Yu Huang
- Department of Anesthesiology, Fujian Maternity and Child Health Hospital, Fuzhou, Fujian China
| | - Zhenyu Gao
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- Rheumatology Department, The Affiliated Hospital of Hubei Minzu University, Enshi, Hubei China
| | - Yuanhui Wu
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- School of Medicine, Xiamen University, Xiangan South Road, Xiangan District, Xiamen City, China
| | - Xiaohong Wang
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- CT Department, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
| | - Meimei Cai
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- School of Medicine, Xiamen University, Xiangan South Road, Xiangan District, Xiamen City, China
| | - Yan He
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- School of Medicine, Xiamen University, Xiangan South Road, Xiangan District, Xiamen City, China
| | - Shiju Chen
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- School of Medicine, Xiamen University, Xiangan South Road, Xiangan District, Xiamen City, China
| | - Bin Wang
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- School of Medicine, Xiamen University, Xiangan South Road, Xiangan District, Xiamen City, China
| | - Lingyu Liu
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- School of Medicine, Xiamen University, Xiangan South Road, Xiangan District, Xiamen City, China
| | - Shuqiang Chen
- Department of Ultrasound, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Hongjie Huang
- Department of Radiology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Ling Zheng
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Rihui Kang
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Xiaohong Zeng
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Jing Chen
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Huaning Chen
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Junmin Chen
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian China
| | - Zhibin Li
- Epidemiology Research Unit, Center of Translational Medical Research, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
| | - Guixiu Shi
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, Fujian China
- School of Medicine, Xiamen University, Xiangan South Road, Xiangan District, Xiamen City, China
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Maksymowych WP, Lambert RG, Baraliakos X, Weber U, Machado P, Pedersen SJ, Hooge MD, Sieper J, Wichuk S, Poddubnyy D, Rudwaleit M, van der Heijde D, Landewe R, Eshed I, Ostergaard M. Data-driven definitions for active and structural MRI lesions in the sacroiliac joint in spondyloarthritis and their predictive utility. Rheumatology (Oxford) 2021; 60:4778-4789. [DOI: 10.1093/rheumatology/keab099] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 01/15/2021] [Indexed: 12/17/2022] Open
Abstract
Abstract
Objectives
To determine quantitative SI joint MRI lesion cut-offs that optimally define a positive MRI for inflammatory and structural lesions typical of axial SpA (axSpA) and that predict clinical diagnosis.
Methods
The Assessment of SpondyloArthritis international Society (ASAS) MRI group assessed MRIs from the ASAS Classification Cohort in two reading exercises where (A) 169 cases and 7 central readers; (B) 107 cases and 8 central readers. We calculated sensitivity/specificity for the number of SI joint quadrants or slices with bone marrow oedema (BME), erosion, fat lesion, where a majority of central readers had high confidence there was a definite active or structural lesion. Cut-offs with ≥95% specificity were analysed for their predictive utility for follow-up rheumatologist diagnosis of axSpA by calculating positive/negative predictive values (PPVs/NPVs) and selecting cut-offs with PPV ≥ 95%.
Results
Active or structural lesions typical of axSpA on MRI had PPVs ≥ 95% for clinical diagnosis of axSpA. Cut-offs that best reflected a definite active lesion typical of axSpA were either ≥4 SI joint quadrants with BME at any location or at the same location in ≥3 consecutive slices. For definite structural lesion, the optimal cut-offs were any one of ≥3 SI joint quadrants with erosion or ≥5 with fat lesions, erosion at the same location for ≥2 consecutive slices, fat lesions at the same location for ≥3 consecutive slices, or presence of a deep (i.e. >1 cm depth) fat lesion.
Conclusion
We propose cut-offs for definite active and structural lesions typical of axSpA that have high PPVs for a long-term clinical diagnosis of axSpA for application in disease classification and clinical research.
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Affiliation(s)
| | - Robert G Lambert
- Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Canada
- Medical Imaging Consultants, Edmonton, Canada
| | | | - Ulrich Weber
- Department of Rheumatology, Danish Hospital for Rheumatic Diseases, University Hospital of Southern Denmark, Sønderborg
- Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Pedro M Machado
- Department of Rheumatology, University College London Hospitals NHS Foundation Trust
- Department of Rheumatology, Northwick Park Hospital, London North West University Healthcare NHS Trust
- Centre for Rheumatology and MRC Centre for Neuromuscular Diseases, University College London, London, UK
| | - Susanne J Pedersen
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup, Copenhagen, Denmark
| | - Manouk de Hooge
- VIB Inflammation Research Center, Ghent University
- Rheumatology Department, Ghent University Hospital, Ghent, Belgium
| | - Joachim Sieper
- Department of Rheumatology, Charité – Universitätsmedizin Berlin and German Rheumatism Research Centre, Berlin
| | | | - Denis Poddubnyy
- Department of Rheumatology, Charité – Universitätsmedizin Berlin and German Rheumatism Research Centre, Berlin
| | - Martin Rudwaleit
- Klinikum Bielefeld, Bielefeld
- Department of Rheumatology, Charité – Universitätsmedizin Berlin, Berlin, Germany
| | | | - Robert Landewe
- Department of Rheumatology, Academic Medical Center, University of Amsterdam, Amsterdam
- Atrium Medical Center, Heerlen, the Netherlands
| | - Iris Eshed
- Sheba Medical Center, Affiliated to the Sackler School of Medicine, Tel-Aviv University, Tel Aviv, Israel
| | - Mikkel Ostergaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Seven S, Østergaard M, Morsel-Carlsen L, Sørensen IJ, Bonde B, Thamsborg G, Lykkegaard JJ, Hendricks O, Jørgensen NR, Pedersen SJ. The utility of magnetic resonance imaging lesion combinations in the sacroiliac joints for diagnosing patients with axial spondyloarthritis. A prospective study of 204 participants including post-partum women, patients with disc herniation, cleaning staff, runners and healthy persons. Rheumatology (Oxford) 2021; 59:3237-3249. [PMID: 32240310 DOI: 10.1093/rheumatology/keaa096] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 02/04/2020] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES To investigate the diagnostic utility of different combinations of SI joint MRI lesions for differentiating patients with axial SpA (axSpA) from other conditions with and without buttock/pelvic pain. METHODS A prospective cross-sectional study included patients with axSpA (n = 41), patients with lumbar disc herniation (n = 25), women with (n = 46) and without (n = 14) post-partum (birth within 4-16 months) buttock/pelvic pain and cleaning assistants (n = 26), long-distance runners (n = 23) and healthy men (n = 29) without pain. Two independent readers assessed SI joint MRI lesions according to the Spondyloarthritis Research Consortium of Canada MRI definitions and pre-defined MRI lesion combinations with bone marrow oedema (BME) and fat lesions (FAT), respectively. Statistical analyses included the proportion of participants with scores above certain thresholds, sensitivity, specificity, positive and negative predictive values and likelihood ratios. RESULTS BME adjacent to the joint space (BME@joint space) was most frequent in axSpA (63.4%), followed by women with post-partum pain (43.5%), but was present in nearly all groups. BME adjacent to fat lesions (BME@FAT) and BME adjacent to erosions (BME@erosion) were only present in axSpA patients and in women with post-partum pain, but scores ≥3 and ≥4, respectively, were only seen in axSpA patients. FAT@erosion was exclusively recorded in axSpA patients. FAT@joint space and FAT@sclerosis were present in most groups, but with higher scores in the axSpA group. CONCLUSION BME@joint space and FAT@joint space were frequent in axSpA but also in other conditions, reducing the diagnostic utility. FAT@erosion, and BME@FAT, BME@erosion and FAT@sclerosis above certain thresholds, were exclusively seen in axSpA patients and may thus have diagnostic utility in the differentiation of axSpA from other conditions.
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Affiliation(s)
- Sengül Seven
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Mikkel Østergaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | | | - Inge Juul Sørensen
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark
| | - Birthe Bonde
- Birthe Bonde Clinic of Physiotherapy, Copenhagen, Denmark
| | - Gorm Thamsborg
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark
| | - Jens Jørgen Lykkegaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark
| | | | - Niklas Rye Jørgensen
- University of Southern Denmark, Odense, Denmark.,Department of Clinical Biochemistry, Rigshospitalet Glostrup, Glostrup, Denmark
| | - Susanne Juhl Pedersen
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Center of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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The paradigm of non-radiographic sacroiliitis-why the ongoing doubts? Clin Rheumatol 2021; 40:443-446. [PMID: 33405013 DOI: 10.1007/s10067-020-05527-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 10/22/2022]
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41
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Germann C, Kroismayr D, Brunner F, Pfirrmann CWA, Sutter R, Zubler V. Influence of pregnancy/childbirth on long-term bone marrow edema and subchondral sclerosis of sacroiliac joints. Skeletal Radiol 2021; 50:1617-1628. [PMID: 33474587 PMCID: PMC8208931 DOI: 10.1007/s00256-020-03700-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/14/2020] [Accepted: 12/14/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate long-term effects of pregnancy/childbirth on bone marrow edema (BME) and subchondral sclerosis of sacroiliac joints (SIJ) in comparison to MRI changes caused by spondyloarthritis (SpA) and assess the influence of birth method and number of children on SIJ-MRI changes. MATERIALS AND METHODS This is a retrospective cohort study with 349 women (mean age 47 ± 14 years) suffering low back pain. Four subgroups were formed based on SpA diagnosis and childbirth (CB) history. Two musculoskeletal radiologists scored the presence of BME and sclerosis on SIJ-MRI using the Berlin method. Further, an 11-point "global assessment score" representing the overall confidence of SpA diagnosis based on MRI was evaluated in addition to the ASAS (Assessment of Spondyloarthritis International Society) criterion of "positive MRI" for sacroiliitis. RESULTS CB did not correlate with BME score (p = 0.38), whereas SpA diagnosis was associated with a higher BME score (r = 0.31, p < 0.001). Both CB (r = 0.21, p < 0.001) and SpA diagnosis (r = 0.33, p < 0.001) were correlated with a higher sclerosis score. CB was not associated with a higher confidence level in diagnosing SpA based on MRI (p = 0.07), whereas SpA diagnosis was associated with a higher score (r = 0.61, p < 0.001). Both CB (phi = 0.13, p = 0.02) and SpA diagnosis (phi = 0.23, p < 0.001) were significantly associated with a positive ASAS criterion for sacroiliitis. In non-SpA patients with CB, number of children (p = 0.001) was an independent predictor of sclerosis score, while birth method yielded no significant effect (p = 0.75). CONCLUSION Pregnancy/CB has no impact on long-term BME on SIJ, however, may cause long-term subchondral sclerosis-similar to SpA-associated sclerosis. Number of children is positively correlated with SIJ sclerosis. Birth method yields no effect on SIJ sclerosis.
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Affiliation(s)
- Christoph Germann
- Radiology, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008, Zurich, Switzerland.
| | - Daniela Kroismayr
- Radiology, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008, Zurich, Switzerland
| | - Florian Brunner
- Physical Medicine and Rheumatology, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008, Zurich, Switzerland
| | - Christian W A Pfirrmann
- Radiology, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008, Zurich, Switzerland
| | - Reto Sutter
- Radiology, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008, Zurich, Switzerland
| | - Veronika Zubler
- Radiology, Balgrist University Hospital, University of Zurich, Forchstrasse 340, CH-8008, Zurich, Switzerland
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Robinson PC, van der Linden S, Khan MA, Taylor WJ. Axial spondyloarthritis: concept, construct, classification and implications for therapy. Nat Rev Rheumatol 2020; 17:109-118. [PMID: 33361770 DOI: 10.1038/s41584-020-00552-4] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2020] [Indexed: 12/17/2022]
Abstract
The axial spondyloarthritis (axSpA) disease concept has undergone substantial change from when the entity ankylosing spondylitis was defined by the modified New York criteria in 1984. Developments in imaging, therapy and genetics have all contributed to changing the concept of axSpA from one of erosions in the sacroiliac joints to a spectrum of disease with and without changes evident on plain radiographs. Changes to the previously held concept and construct of the disease have also necessitated new classification criteria. The use of MRI, primarily of the sacroiliac joints, has substantially altered the diagnosis and differential diagnosis of axSpA. Many in the axSpA community believe that the current classification criteria lack specificity, and the CLASSIC study is underway to examine this area. Although much about the evolving axSpA disease concept is universally agreed, there remains disagreement about operationalizing aspects of it, such as the requirement for the objective demonstration of axial inflammation for the classification of axSpA. New imaging technologies, biomarkers and genetics data will probably necessitate ongoing revision of axSpA classification criteria. Advances in our knowledge of the biology of axSpA will settle some differences in opinion as to how the disease concept is applied to the classification and diagnosis of patients.
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Affiliation(s)
- Philip C Robinson
- School of Clinical Medicine, Faculty of Medicine, University of Queensland, Brisbane, Australia. .,Royal Brisbane and Women's Hospital, Metro North Hospital and Health Service, Brisbane, Australia.
| | - Sjef van der Linden
- Department of Internal Medicine, Division of Rheumatology, Maastricht University Medical Center, Maastricht, Netherlands.,Department of Rheumatology, Immunology and Allergology, Inselspital, University of Bern, Bern, Switzerland
| | | | - William J Taylor
- Department of Medicine, University of Otago, Wellington, New Zealand
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Aouad K, Maksymowych WP, Baraliakos X, Ziade N. Update of imaging in the diagnosis and management of axial spondyloarthritis. Best Pract Res Clin Rheumatol 2020; 34:101628. [PMID: 33257146 DOI: 10.1016/j.berh.2020.101628] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Imaging of the spine and sacroiliac joints has acquired a central role in the diagnosis and classification of axial spondyloarthritis (axSpA) in the earliest phases of the disease. New definitions of specific imaging lesions, particularly in magnetic resonance imaging (MRI), have been recently updated and revised by the ASAS MRI working group to reach a standardized understanding and diagnosis of axSpA among rheumatologists. Recognizing the misleading pitfalls of MRI lesions and differential diagnosis also represents an essential issue in clinical practice to avoid false-positive findings and establish the diagnosis of axSpA with careful regard to the clinical context, clinical signs, and biological tests. This review summarizes the current evidence on the different imaging modalities of the sacroiliac joints and the spine with their application in the clinical setting of SpA and their main pitfalls; it also highlights the newest emerging imaging techniques.
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Affiliation(s)
- Krystel Aouad
- Department of Rheumatology, Pitié-Salpêtrière Hospital, AP-HP, Paris, France; Saint-Joseph University, Faculty of Medicine, Beirut, Lebanon.
| | - Walter P Maksymowych
- Department of Medicine, Division of Rheumatology, University of Alberta, 568A Heritage Medical Research Centre, Edmonton, Alberta T6G2R3, Canada.
| | - Xenofon Baraliakos
- Department of Rheumatology, Rheumazentrum Ruhrgebiet, Ruhr-University Bochum, Claudiusstr. 45, 44649 Herne, Germany.
| | - Nelly Ziade
- Saint-Joseph University, Faculty of Medicine, Beirut, Lebanon; Department of Rheumatology, Hotel-Dieu de France Hospital, Beirut, Lebanon.
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Baraliakos X, Richter A, Feldmann D, Ott A, Buelow R, Schmidt CO, Braun J. Which factors are associated with bone marrow oedema suspicious of axial spondyloarthritis as detected by MRI in the sacroiliac joints and the spine in the general population? Ann Rheum Dis 2020; 80:469-474. [DOI: 10.1136/annrheumdis-2020-218669] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/03/2020] [Accepted: 10/26/2020] [Indexed: 02/06/2023]
Abstract
ObjectiveIdentify factors associated with presence and extension of spinal and sacroiliac joints (SIJ)–MRI lesions suggestive of axial spondyloarthritis (axSpA) in a population-based cohort (Study of Health in Pomerania) aged <45 years.MethodsSpinal (sagittal T1/T2) and SIJ (semicoronal STIR sequences) MRIs were evaluated by two trained blinded readers. The presence (yes/no) and extension (Berlin MRI Score) of bone marrow oedema (BME) were captured. Degenerative spinal lesions were excluded and discrepancies resolved by consensus. Cross-sectional associations between clinical factors and presence/extension of BME were analysed by logistic/negative binomial regression. Record linkage of claims data was applied to identify participants with axSpA.ResultsMRIs of 793 volunteers were evaluated. The presence of SIJ–BME (odds ratio) was strongly associated delivery during the last year (4.47, 1.49–13.41). For SIJ–BME extension, associations (incidence rate ratios, 95% CI) were found for delivery ((during last year) 4.52, 1.48–13.84), human leucocyte antigen (HLA)-B27+ (2.32, 1.30–4.14), body mass index (25–30 vs <25 kg/m²; 1.86 (1.19–2.89)) and back pain ((last 3 months) 1.55, 1.04–2.31), while for spinal BME, associations were found for age per decade (1.46, 1.13–1.90) and physically demanding work (1.46, 1.06–2.00). Record linkage was available for 694 (87.5%) participants and 9/694 (1.3%) had a record of axSpA (ICD M45.09).ConclusionThese population-based data support the hypothesis of mechanic strain contributing to BME in the general population aged <45 years and the role of HLA-B27+ as a severity rather than a susceptibility factor for SIJ–BME.
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45
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Renson T, Carron P, De Craemer AS, Deroo L, de Hooge M, Krabbe S, Jans L, Chen M, Østergaard M, Van den Bosch FE, Elewaut D. Axial involvement in patients with early peripheral spondyloarthritis: a prospective MRI study of sacroiliac joints and spine. Ann Rheum Dis 2020; 80:103-108. [PMID: 33115761 DOI: 10.1136/annrheumdis-2020-218480] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/29/2020] [Accepted: 09/30/2020] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To assess axial involvement on MRI in early peripheral spondyloarthritis (pSpA) and to evaluate whether axial inflammation predicts relapse on treatment withdrawal. METHODS Fifty-six patients with early, active, newly diagnosed pSpA underwent MRI of the sacroiliac joints (SIJs) and spine prior to golimumab initiation. At sustained clinical remission of pSpA, treatment was withdrawn and a second MRI was performed. Bone marrow oedema (BME) was scored by three readers according to the Spondyloarthritis Research Consortium of Canada (SPARCC) method. Scores were compared with an axial spondyloarthritis cohort (Belgian Arthritis and Spondylitis cohort). Structural lesions were assessed using a similar method. Furthermore, fulfilment of the Assessment of Spondyloarthritis International Society (ASAS) definition of a positive MRI for sacroiliitis was assessed. Spinal images were evaluated for BME and structural lesions using the Canada-Denmark MRI spine scoring system by two readers. RESULTS Thirty-six per cent showed SIJ BME at baseline, all fulfilling the ASAS definition of sacroiliitis. No association with back pain was found. Twenty-one per cent displayed SIJ structural lesions. Spinal BME was limited: the median inflammation scores were low and no patients had ≥5 inflammatory corner lesions. On clinical remission, a significant decrease in SIJ SPARCC scores was detected. On clinical remission, no significant differences in SIJ SPARCC scores were noted between patients relapsing and those maintaining remission after treatment discontinuation. CONCLUSION In patients with early pSpA, a surprisingly high prevalence of sacroiliitis on MRI was observed; SPARCC scores decreased significantly on tumour necrosis factor inhibition. Residual inflammation on MRI was not predictive of relapse of peripheral manifestations. No relevant inflammatory spinal involvement was detected. Collectively, our findings suggest a higher inflammatory burden in patients with early pSpA than anticipated.
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Affiliation(s)
- Thomas Renson
- Internal Medicine and Pediatrics, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium .,VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Philippe Carron
- Internal Medicine and Pediatrics, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Ann-Sophie De Craemer
- Internal Medicine and Pediatrics, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Liselotte Deroo
- Internal Medicine and Pediatrics, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Manouk de Hooge
- Internal Medicine and Pediatrics, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Simon Krabbe
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup, Denmark.,Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lennart Jans
- Radiology, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium
| | - Min Chen
- Radiology, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium
| | - Mikkel Østergaard
- Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup, Denmark.,Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Filip E Van den Bosch
- Internal Medicine and Pediatrics, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Dirk Elewaut
- Internal Medicine and Pediatrics, Ghent University Faculty of Medicine and Health Sciences, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent, Belgium
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46
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Understanding the paradigm of non-radiographic axial spondyloarthritis. Clin Rheumatol 2020; 40:501-512. [PMID: 32996069 DOI: 10.1007/s10067-020-05423-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/16/2020] [Accepted: 09/21/2020] [Indexed: 12/17/2022]
Abstract
The concept of axial spondyloarthritis (axSpA) encompasses both non-radiographic (nr-axSpA) and traditional radiographic axSpA (r-axSpA) forms. The former was conceived following the establishment of the ASAS classification criteria for axSpA, which for the first time included the use of magnetic resonance imaging of the sacroiliac joints. This facilitated the classification of patients with axSpA who did not present substantial structural damage. This conception of nr-axSpA revolutionized the classical understanding of axSpA opening new doors for research and broadening the scope of treatment to the entire spectrum of axSpA. In this sense, epidemiologic patterns of the disease were viewed anew, and early diagnosis became a primary objective in the management of the disease. However, despite these advances, this new axSpA subtype led to some concerns within the scientific community. These issues have been addressed by several studies that set out to clarify the concept of nr-axSpA. In this review, we summarize the findings of the most relevant studies including nr-axSpA and then discuss recent advances in understanding disease clinical patterns, burden of disease, and treatment effects. Current scientific research has shown subtle differences between nr-axSpA and r-axSpA. In the near future, these advances will allow for better management of individual patients across the axSpA spectrum.
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47
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Weber U, Jurik AG, Zejden A, Larsen E, Jørgensen SH, Rufibach K, Schioldan C, Schmidt-Olsen S. MRI of the sacroiliac joints in athletes: recognition of non-specific bone marrow oedema by semi-axial added to standard semi-coronal scans. Rheumatology (Oxford) 2020; 59:1381-1390. [PMID: 31600395 DOI: 10.1093/rheumatology/kez458] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 09/02/2019] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE Assessment of combined semi-axial and semi-coronal SI joint MRI in two cohorts of young athletes to explore frequency and topography of non-specific bone marrow oedema (BMO), its association with four constitutional SI joint features, and potential restriction of false-positive assignments of Assessment of SpondyloArthritis International Society-defined sacroiliitis on standard semi-coronal scans alone. METHODS Combined semi-axial and semi-coronal SI joint MRI scans of 20 recreational runners before/after running and 22 elite ice-hockey players were evaluated by three blinded readers for BMO and its association with four constitutional SI joint features: vascular partial volume effect, deep iliac ligament insertion, fluid-filled bone cyst and lumbosacral transitional anomaly. Scans of TNF-treated spondyloarthritis patients served to mask readers. We analysed distribution and topography of BMO and SI joint features across eight anatomical SI joint regions (upper/lower ilium/sacrum, subdivided in anterior/posterior slices) descriptively, as concordantly recorded by ⩾2/3 readers on both MRI planes. BMO confirmed on both scans was compared with previous evaluation of semi-coronal MRI alone, which met the Assessment of SpondyloArthritis International Society definition for active sacroiliitis. RESULTS Perpendicular semi-axial and semi-coronal MRI scans confirmed BMO in the SI joint of every fourth young athlete, preferentially in the anterior upper sacrum. BMO associated with four constitutional SI joint features was observed in 20-36% of athletes, clustering in the posterior lower ilium. The proportion of Assessment of SpondyloArthritis International Society-positive sacroiliitis recorded on the semi-coronal plane alone decreased by 33-56% upon amending semi-axial scans. CONCLUSION Semi-axial combined with standard semi-coronal scans in MRI protocols for sacroiliitis facilitated recognition of non-specific BMO, which clustered in posterior lower ilium/anterior upper sacrum.
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Affiliation(s)
- Ulrich Weber
- Danish Hospital for Rheumatic Diseases, University Hospital of Southern Denmark, Sønderborg.,Hospital of Southern Jutland, University Hospital of the Region of Southern Denmark, Aabenraa.,Department of Regional Health Research, University of Southern Denmark, Odense
| | - Anne Grethe Jurik
- Department of Radiology, Aarhus University Hospital, Aarhus.,Department of Clinical Medicine, Health, Aarhus University, Aarhus
| | - Anna Zejden
- Department of Radiology, Aarhus University Hospital, Aarhus
| | | | - Steen Hylgaard Jørgensen
- Department of Clinical Medicine, Center for Clinical Research, North Denmark Regional Hospital, Hjørring, Denmark
| | - Kaspar Rufibach
- Rufibach rePROstat EF, Biostatistical Consulting and Training, Meiringen.,Division of Biostatistics, F. Hoffmann-La Roche, Basel, Switzerland
| | | | - Søren Schmidt-Olsen
- Department of Rheumatology and Sports Medicine, North Denmark Regional Hospital, Hjørring, Denmark
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Park EH, Yoon CH, Kang EH, Baek HJ. Utility of Magnetic Resonance Imaging and Positron Emission Tomography in Rheumatic Diseases. JOURNAL OF RHEUMATIC DISEASES 2020. [DOI: 10.4078/jrd.2020.27.3.136] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Eun Hye Park
- Division of Rheumatology, Department of Internal Medicine, Chung-Ang University Hospital, Seoul, Korea
| | - Chong-Hyeon Yoon
- Division of Rheumatology, Department of Internal Medicine, Eunpyeong St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea
| | - Eun Ha Kang
- Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Han Joo Baek
- Division of Rheumatology, Department of Internal Medicine, Gachon University College of Medicine Gil Medical Center, Incheon, Korea
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Hoballah A, Lukas C, Leplat C, Taourel P, Pialat JB, Sans N, Ramos-Pascual S, Cyteval C. MRI of sacroiliac joints for the diagnosis of axial SpA: prevalence of inflammatory and structural lesions in nulliparous, early postpartum and late postpartum women. Ann Rheum Dis 2020; 79:1063-1069. [PMID: 32522743 DOI: 10.1136/annrheumdis-2020-217208] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/06/2020] [Accepted: 05/10/2020] [Indexed: 11/03/2022]
Abstract
OBJECTIVES To determine the prevalence of bone marrow oedema (BME) at the sacroiliac joint (SIJ) in early postpartum (EPP), nulliparous (NP) and late postpartum (LPP) women, and to identify factors associated with BME presence at the SIJ. METHODS Three groups were obtained: NP (never given birth), EPP (given birth within 12 months) and LPP (given birth more than 24 months). The primary outcome was the presence of BME and/or structural lesions (erosions, osteophytes, ankylosis and sclerosis) at the SIJ MRI. RESULTS BME prevalence was greater among EPP (33%) than NP (14%, p=0.001), but was not different to LPP (21%, p=0.071). The Assessment of SpondyloArthritis international Society (ASAS) MRI criteria for sacroiliitis were positive in 75%, 71% and 80%, respectively, of EPP, NP and LPP women with BME. EPP (38%) had similar prevalence of sclerosis than LPP (28%, p=0.135), but greater than NP (18%, p=0.001). Lastly, EPP (28%) had similar prevalence of osteophytes than LPP (42%) and NP (27%), although there was a difference between LPP and NP (p=0.006). CONCLUSIONS EPP have higher BME prevalence at the SIJ than NP, EPP tend to have higher BME prevalence compared with LPP and BME presence decreases with time from delivery. Three-quarters of women with BME at the SIJ had a positive ASAS MRI criteria for sacroiliitis, indicating that BME presence as the main criterion for a positive diagnosis can lead to false-positive results. SIJ MRIs should not be interpreted in isolation, since age, time from delivery and other factors may outweigh the pertinence of MRI findings. Trial registration number NCT02956824.
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Affiliation(s)
- Adel Hoballah
- Osteoarticular Medical Imaging Section, Department of Medical Imaging, University Hospital Centre Montpellier, Montpellier, Languedoc-Roussillon, France
| | - Cédric Lukas
- Department of Rheumatology, University Hospital Centre Montpellier, Montpellier, Languedoc-Roussillon, France
| | - Christophe Leplat
- Osteoarticular Medical Imaging Section, Department of Medical Imaging, University Hospital Centre Montpellier, Montpellier, Languedoc-Roussillon, France
| | - Patrice Taourel
- Osteoarticular Medical Imaging Section, Department of Medical Imaging, University Hospital Centre Montpellier, Montpellier, Languedoc-Roussillon, France
| | - Jean-Baptiste Pialat
- Department of Radiology, Groupement Hospitalier Edouard Herriot, Lyon, Rhône-Alpes, France
| | - Nicolas Sans
- Department of Radiology, University Hospital Centre Toulouse, Toulouse, Midi-Pyrénées, France
| | | | - Catherine Cyteval
- Osteoarticular Medical Imaging Section, Department of Medical Imaging, University Hospital Centre Montpellier, Montpellier, Languedoc-Roussillon, France
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50
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Renson T, Van den Bosch FE, Elewaut D. Response to: 'Finding the right one' by Zanwar. Ann Rheum Dis 2020; 81:e88. [PMID: 32467247 DOI: 10.1136/annrheumdis-2020-217856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/12/2020] [Accepted: 05/12/2020] [Indexed: 11/04/2022]
Affiliation(s)
- Thomas Renson
- Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium .,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Filip E Van den Bosch
- Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
| | - Dirk Elewaut
- Internal Medicine and Pediatrics, Ghent University Hospital, Ghent, Belgium.,VIB-UGent Center for Inflammation Research, Ghent University, Ghent, Belgium
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