Objective: To examine and compare the accuracy of conventional radiography (CR) and musculoskeletal ultrasonography (US) in the diagnosis of calcium pyrophosphate (CPP) crystals deposition disease (CPPD). DESIGN: A systematic search of electronic databases (PubMed, Embase, and Cochrane), conference abstracts and reference lists was undertaken. Studies which evaluated the accuracy of CR and/or US in the diagnosis of CPPD, using synovial fluid analysis (SFA), histology or classification criteria as reference tests were included. Subgroup analyses by anatomic site and by reference test were performed. Results: Twenty-six studies were included. Using SFA/histology as reference test, CR and US showed an excellent (CR AUC = 0.889, 95%CI = 0.811–0.967) and an outstanding (US AUC = 0.954, 95%CI = 0.907–1.0) diagnostic accuracy (p < 0.01), respectively. Furthermore, US showed a higher sensitivity (0.85, 95%CI = 0.79–0.90 vs 0.47, 95%CI = 0.40–0.55) and only a little lower specificity (0.87, 95%CI = 0.83–0.91 vs 0.95, 95%CI = 0.92–0.97) than CR. A considerable heterogeneity between the studies was found, with adopted reference test being the main source of heterogeneity. In fact, subgroup analysis showed a significant change in the diagnostic accuracy of CR, but not of US, using Ryan and McCarty criteria or SFA/histology as reference test (CR: AUC = 0.956, 95%CI = 0.925–1.0 vs AUC = 0.889, 95%CI = 0.828–0.950, respectively, p < 0.01) (US: AUC = 0.922, 95%CI = 0.842–1.0 vs AUC = 0.957, 95%CI = 0.865–1.0, respectively, p = 0.08) Conclusions: Although US is more sensitive and a little less specific than CR for identifying CPP crystals, both these two techniques showed a great diagnostic accuracy and should be regarded as complementary to each other in the diagnostic work-up of patients with CPPD.
The diagnostic value of conventional radiography and musculoskeletal ultrasonography in calcium pyrophosphate deposition disease: a systematic literature review and meta-analysis / E. Cipolletta, G. Filippou, C.A. Scire, A. Di Matteo, J. Di Battista, F. Salaffi, W. Grassi, E. Filippucci. - In: OSTEOARTHRITIS AND CARTILAGE. - ISSN 1063-4584. - 29:5(2021), pp. 619-632. [10.1016/j.joca.2021.01.007]
The diagnostic value of conventional radiography and musculoskeletal ultrasonography in calcium pyrophosphate deposition disease: a systematic literature review and meta-analysis
G. FilippouSecondo
;
2021
Abstract
Objective: To examine and compare the accuracy of conventional radiography (CR) and musculoskeletal ultrasonography (US) in the diagnosis of calcium pyrophosphate (CPP) crystals deposition disease (CPPD). DESIGN: A systematic search of electronic databases (PubMed, Embase, and Cochrane), conference abstracts and reference lists was undertaken. Studies which evaluated the accuracy of CR and/or US in the diagnosis of CPPD, using synovial fluid analysis (SFA), histology or classification criteria as reference tests were included. Subgroup analyses by anatomic site and by reference test were performed. Results: Twenty-six studies were included. Using SFA/histology as reference test, CR and US showed an excellent (CR AUC = 0.889, 95%CI = 0.811–0.967) and an outstanding (US AUC = 0.954, 95%CI = 0.907–1.0) diagnostic accuracy (p < 0.01), respectively. Furthermore, US showed a higher sensitivity (0.85, 95%CI = 0.79–0.90 vs 0.47, 95%CI = 0.40–0.55) and only a little lower specificity (0.87, 95%CI = 0.83–0.91 vs 0.95, 95%CI = 0.92–0.97) than CR. A considerable heterogeneity between the studies was found, with adopted reference test being the main source of heterogeneity. In fact, subgroup analysis showed a significant change in the diagnostic accuracy of CR, but not of US, using Ryan and McCarty criteria or SFA/histology as reference test (CR: AUC = 0.956, 95%CI = 0.925–1.0 vs AUC = 0.889, 95%CI = 0.828–0.950, respectively, p < 0.01) (US: AUC = 0.922, 95%CI = 0.842–1.0 vs AUC = 0.957, 95%CI = 0.865–1.0, respectively, p = 0.08) Conclusions: Although US is more sensitive and a little less specific than CR for identifying CPP crystals, both these two techniques showed a great diagnostic accuracy and should be regarded as complementary to each other in the diagnostic work-up of patients with CPPD.File | Dimensione | Formato | |
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