EVALUATION STUDIES
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Retrospective Comparative Analysis of Elbow Arthroscopy Used to Treat Primary Osteoarthritis With and Without Release of the Posterior Band of the Medial Collateral Ligament.

Arthroscopy 2017 August
PURPOSE: To evaluate the clinical and functional outcomes of arthroscopic debridement arthroplasty with the release of the posterior band of the medial collateral ligament in patients with primary osteoarthritis.

METHODS: We evaluated 43 patients treated with arthroscopic debridement arthroplasty for elbow osteoarthritis from February 2006 to February 2014. In group A (n = 19), the posterior band of the medial collateral ligament was released, and in group B (n = 24), it was not released. The mean follow-up period in groups A and B was 55.4 months (range, 24-100 months) and 62.2 months (range, 24-103 months), respectively. Clinical results were evaluated by measuring the preoperative and postoperative range of motion (ROM) of the elbow, visual analog scale score, and Mayo Elbow Performance Score.

RESULTS: Both groups showed significant improvement in clinical outcome (visual analog scale and Mayo Elbow Performance Score) at the final follow-up compared with preoperative evaluation (group A, P = .009 and .013, respectively; group B, P = .015 and .008, respectively). Group A showed significant improvement in increased flexion at 6 months of follow-up (P = .043). However, there was no statistically significant difference in postoperative ROM and clinical results between the 2 groups at the final follow-up (P = .482).

CONCLUSIONS: Arthroscopic debridement arthroplasty with the release of the posterior band of the medial collateral ligament was associated with improved flexion at the 6-month postoperative follow-up, but no significant difference between the groups was observed at the final follow-up. Therefore, the additional release of the posterior band of the medial collateral ligament may be unnecessary for improving postoperative ROM.

LEVEL OF EVIDENCE: Level IV, therapeutic case series.

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