Therapy for Dupuytren’s Disease: Collagenase Therapy—A Long-Term Follow-Up Study

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Background: Dupuytren’s disease (DD) is a systemic connective tissue disorder of the palm. It particularly affects men of Northern European or Caucasian origin over the age of 55. In addition to the classical surgical therapy via limited fasciectomy, Dupuytren’s contracture can also be treated minimally invasively. A relatively new treatment method is the use of collagenase injections (Xiapex) to reduce the contracture of the fingers. The data regarding the long-term success of this therapy are currently limited. Methods: In this monocentric retrospective study, we examined 35 patients who were treated with collagenase (Xiapex) for Dupuytren’s contracture in the long fingers. Following the manufacturer’s recommendations, the injection was administered intralesionally, and the cord was ruptured through the passive extension of the finger under local anesthesia with Mepivacain the following day. The clinical follow-up examination was conducted after an average of 5.7 years. The stages of Dupuytren’s disease were documented using the Tubiana classification. Additionally, parameters of finger extension ability, differentiated by metacarpophalangeal (MCP), and proximal interphalangeal (PIP) joints, as well as patient-specific risk parameters, were evaluated Results: The long-term results of collagenase therapy after an average of 5.7 years showed a significant improvement in the contracture of the affected fingers. In the MCP joints, the flexion contracture decreased from 42° to 17° (p ≤ 0.001), and in the PIP joints, it decreased from 56° to 33° (p ≤ 0.001). The primary recurrence rate was 11% for the MCP joints and 19% for the PIP joints, respectively. The analysis of risk factors showed a significant risk for worse long-term outcomes in patients with diabetes and those with nicotine abuse. Conclusions: Collagenase therapy for Dupuytren’s disease achieved significant long-term improvements in contracture in both MCP and PIP joints. In accordance with general risk factors for DD, patients with diabetes and those with nicotine abuse are at risk of worse long-term outcomes. Overall, it is a time-saving, low-risk, and straightforward technique for treating the disabling contracture component of this disease.