Risk Factors for Skin Tearing in Collagenase Treatment of Dupuytren Contractures

Published:August 13, 2019DOI:https://doi.org/10.1016/j.jhsa.2019.06.010


      To determine factors associated with skin tearing at the time of manipulation in patients undergoing collagenase Clostridium histolyticum (CCH) treatment for Dupuytren contractures.


      We identified 368 digits in 261 patients who underwent a total of 469 CCH treatments at a tertiary care referral center from April, 2010 to December, 2013. Medical records were reviewed for the primary outcome, skin tearing at manipulation. Patient-related and disease-specific explanatory variables were collected. We used bivariate analysis to screen for risk factors and multivariable logistic regression to determine associated risk factors for skin tearing.


      The overall rate of skin tearing with CCH treatment was 12%. Multivariable logistic regression analysis showed older age (odds ratio = 1.04; 95% confidence interval, 1.00–1.07) and amount of contracture correction (odds ratio = 1.02; 95% confidence interval, 1.01–1.04) to be associated with skin tearing at manipulation.


      A 10-year increase in age results in a 1.5 times increase in the odds of skin tearing. A 30° increase in contracture correction results in a 1.8 times increase in the odds of skin tearing. Patients can be counseled before CCH treatment that older age and increased contracture correction are risk factors for this common complication.

      Type of study/level of evidence

      Prognostic II.

      Key words

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