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  • Title: Combined Elbow Release and Humeral Rotational Osteotomy in Arthrogryposis.
    Author: Ramirez RN, Richards CJ, Kozin SH, Zlotolow DA.
    Journal: J Hand Surg Am; 2017 Nov; 42(11):926.e1-926.e9. PubMed ID: 28716382.
    Abstract:
    PURPOSE: The purpose of this study was to determine if a simultaneous posterior elbow release and humeral osteotomy to correct both the elbow extension contracture and the humeral internal rotation contracture in children with arthrogryposis can produce similar results as a posterior elbow release alone. METHODS: This study was a retrospective chart review of consecutive patients with arthrogryposis treated surgically for elbow extension contracture between 2007 and 2014. A total of 43 procedures in 36 patients had adequate available follow-up data and were included in the study. The postoperative range of motion reported was measured at the early follow-up (3-6 months), midterm follow-up (between 1 and 2 years), and the most recent long-term follow-up (after 2 years) from the date of surgery. Patients were grouped into 2 groups (simultaneous and release) based on the necessity of performing an ipsilateral humeral rotation osteotomy at the time of the release. RESULTS: At early follow-up, patients in both groups increased their total arc of motion. There was a significant difference in extension and arc of motion at midterm follow-up (between 1 and 2 years) between the simultaneous and the release groups with the simultaneous group significantly losing both terminal extension and total arc of motion. At more than 2 years follow-up, there remained a statistically significant difference in arc of motion, with the release group having a significantly larger arc of motion. Patients who underwent dual plating had a much larger arc of motion at early follow-up than the K-wire or single-plate fixation group, despite having similar preoperative extension, flexion, and arc of motion. This difference was also significant at late follow-up. CONCLUSIONS: Patients with posterior release alone had significantly greater improvement in total arc of motion and significantly better elbow extension than patients who underwent a simultaneous humeral osteotomy. However, rigid fixation with early mobilization may yield results comparable with the release alone group. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV.
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