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Randomized trial for the treatment of post-traumatic elbow stiffness: surgical release versus rehabilitation
Guglielmetti CLB, Gracitelli MEC, Assuncao JH, Andrade-Silva FB, Pessa MMN, Luzo MC, Ferreira Neto AA, Malavolta EA
Journal of Shoulder and Elbow Surgery 2020 Aug;29(8):1522-1529
clinical trial
7/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

BACKGROUND: There are no previous randomized trials comparing surgical to conservative treatment for post-traumatic elbow stiffness. The aim of our study was to compare elbow range of motion (ROM) and clinical outcomes among patients undergoing surgical treatment or a standardized rehabilitation for post-traumatic elbow stiffness. METHODS: Randomized clinical trial of patients with post-traumatic elbow stiffness for more than 6 months who failed conventional physical therapy for 4 months. Patients were randomized into 2 treatment groups. The conservative group underwent the rehabilitation protocol associated with the use of orthoses (static progressive for extension and dynamic for flexion) and continuous passive motion. The surgical group underwent surgical release by a posterior approach without triceps detachment, followed by a rehabilitation protocol similar to the conservative group. The primary outcome of the study was flexion-extension ROM at 6 months of follow-up. Secondary outcomes included the visual analog scale for pain, the Mayo Elbow Performance Score, the Disabilities of the Arm, Shoulder, and Hand score, absolute and relative increase in flexion-extension ROM, and complication rates. RESULTS: Thirty patients were analyzed in the study, 15 in each group. The mean elbow flexion-extension ROM at the end of 6 months of follow-up was 108 degrees in the surgical group and 88 degrees in the conservative group (p = 0.002). The mean absolute and the relative increase of elbow flexion-extension at 6 months were, respectively, 17 degrees and 27% in the conservative group and 41 degrees and 59% in the surgical group (p < 0.001). CONCLUSION: Surgical elbow release associated with the rehabilitation protocol resulted in a greater flexion-extension ROM, as well as a greater absolute and relative increase compared with rehabilitation alone at 6 months of follow-up. The groups did not differ regarding clinical scores and complication rates.

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