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Rheumatic hand's clinical, functional and imagiological correlations following metacarpophalangeal joint silicone arthroplasty.
Revista Brasileira de Ortopedia 2018 March
Objective: Evaluation of rheumatoid hand-associated metacarpophalangeal joint silicone arthroplasty most often relies on functional scores alone. This study aimed to understand the correlation between perceived and observed function, strength, and alignment.
Methods: Cross-sectional study including all 11 women (15 hands) submitted to second to fifth metacarpophalangeal joint arthroplasty due to rheumatoid arthritis involvement for a time period of seven years. Measurements relied on the Michigan Hand Outcomes Questionnaire, Lafayette Purdue Pegboard, pinch and grip strength, and analysis of a lateral "OK-sign" X-ray view. Correlation analysis used Spearman's coefficient, assuming statistical significance for p -values < 0.05.
Results: Objective function was strongly correlated with all other variables ( p < 0.05), while perceived function failed to correlate with articular alignment in both measurements ( p = 0.240 and p = 0.354). Strength and alignment were also strongly correlated ( p < 0.05).
Conclusions: Most measurements strongly correlate with each other, with emphasis on objective dexterity measurement.
Methods: Cross-sectional study including all 11 women (15 hands) submitted to second to fifth metacarpophalangeal joint arthroplasty due to rheumatoid arthritis involvement for a time period of seven years. Measurements relied on the Michigan Hand Outcomes Questionnaire, Lafayette Purdue Pegboard, pinch and grip strength, and analysis of a lateral "OK-sign" X-ray view. Correlation analysis used Spearman's coefficient, assuming statistical significance for p -values < 0.05.
Results: Objective function was strongly correlated with all other variables ( p < 0.05), while perceived function failed to correlate with articular alignment in both measurements ( p = 0.240 and p = 0.354). Strength and alignment were also strongly correlated ( p < 0.05).
Conclusions: Most measurements strongly correlate with each other, with emphasis on objective dexterity measurement.
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