Miriam Marks1, Stefanie Hensler2, Martina Wehrli2, Anne-Gita Scheibler3, Stephan Schindele3, Daniel B Herren3. 1. Department of Teaching, Research, and Development, Schulthess Klinik, Zurich, Switzerland. Electronic address: Miriam.Marks@kws.ch. 2. Department of Teaching, Research, and Development, Schulthess Klinik, Zurich, Switzerland. 3. Department of Hand Surgery, Schulthess Klinik, Zurich, Switzerland.
Abstract
PURPOSE: The objective of this randomized controlled trial was to compare the 12-month postoperative Michigan Hand Outcomes Questionnaire (MHQ) total score between patients with osteoarthritis (OA) at the first carpometacarpal (CMC I) joint who underwenttrapeziectomy with suspension-interposition arthroplasty using the flexor carpi radialis (FCR) tendon and those receiving a human dermal collagen template (allograft). METHODS: We included 60 patients with CMC I OA who met the indications for surgery. They were randomized into 1 of 2 groups: trapeziectomy using the FCR tendon or trapeziectomy with the allograft for suspension-interposition. Patients completed a set of questionnaires including the MHQ and were clinically assessed at baseline, 6 weeks, and 3, 6, and 12 months after surgery. Complications were recorded. RESULTS: We operated on 29 patients using the FCR tendon; 31 patients received anallograft. Baseline MHQ total scores significantly increased from 51 (95% confidence interval [CI], 46-56) to 83 (95% CI, 78-87) and 53 (95% CI, 47-58) to 76 (95% CI, 69-84) by 12 months in the FCR and allograft groups, respectively. We found similar outcomes for both groups at all follow-up assessments. Five complications occurred in the FCR group, and 10 in the allograft group. Revision surgery was required for one allograft patient. CONCLUSIONS: The use of the FCR tendon or allograft for trapeziectomy with suspension-interposition arthroplasty in patients with CMC I OA leads to similar outcomes with more complications, mainly tendon irritations, associated with the latter. Therefore, we only use the allograft in cases of severe instability requiring a larger amount of suspension-interposition material or for revision procedures after failed suspension-interposition with the FCR tendon. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic I.
RCT Entities:
PURPOSE: The objective of this randomized controlled trial was to compare the 12-month postoperative Michigan Hand Outcomes Questionnaire (MHQ) total score between patients with osteoarthritis (OA) at the first carpometacarpal (CMC I) joint who underwent trapeziectomy with suspension-interposition arthroplasty using the flexor carpi radialis (FCR) tendon and those receiving a human dermal collagen template (allograft). METHODS: We included 60 patients with CMC I OA who met the indications for surgery. They were randomized into 1 of 2 groups: trapeziectomy using the FCR tendon or trapeziectomy with the allograft for suspension-interposition. Patients completed a set of questionnaires including the MHQ and were clinically assessed at baseline, 6 weeks, and 3, 6, and 12 months after surgery. Complications were recorded. RESULTS: We operated on 29 patients using the FCR tendon; 31 patients received an allograft. Baseline MHQ total scores significantly increased from 51 (95% confidence interval [CI], 46-56) to 83 (95% CI, 78-87) and 53 (95% CI, 47-58) to 76 (95% CI, 69-84) by 12 months in the FCR and allograft groups, respectively. We found similar outcomes for both groups at all follow-up assessments. Five complications occurred in the FCR group, and 10 in the allograft group. Revision surgery was required for one allograft patient. CONCLUSIONS: The use of the FCR tendon or allograft for trapeziectomy with suspension-interposition arthroplasty in patients with CMC I OA leads to similar outcomes with more complications, mainly tendon irritations, associated with the latter. Therefore, we only use the allograft in cases of severe instability requiring a larger amount of suspension-interposition material or for revision procedures after failed suspension-interposition with the FCR tendon. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic I.
Authors: Christian Karl Spies; Martin Langer; Peter Hahn; Lars Peter Müller; Frank Unglaub Journal: Dtsch Arztebl Int Date: 2018-04-20 Impact factor: 5.594
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