A novel fragment specific classification of complex olecranon fractures: 3-dimensional model design, radiological validation, and proposed surgical algorithm.

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Abstract

[Indexed for MEDLINE] 10. Heliyon. 2024 Apr 6;10(8):e29184. doi: 10.1016/j.heliyon.2024.e29184. eCollection 2024 Apr 30. Clinical outcomes of olecranon sled fixation in patients with Mayo type II olecranon fractures. Chen C(1)(2)(3), Zhang J(1)(2)(3), Cao R(1)(2)(3), Hua K(1)(2)(3), Zha Y(1)(2)(3), Gong M(1)(2)(3), Jiang X(1)(2)(3). Author information: (1)Department of Orthopaedics and Traumatology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China. (2)Peking University Fourth School of Clinical Medicine, Beijing, China. (3)National Center of Orthopaedics, Beijing, China. BACKGROUND: Tension band wiring and plate fixation are common internal fixation methods used for olecranon fractures, but complications and reoperations are common. The purpose of this study is to investigate the clinical outcomes of displaced olecranon fractures treated with olecranon sled internal fixation. METHODS: The data of 39 patients with olecranon fractures treated with olecranon sled in the Department of Traumatology of Beijing Jishuitan Hospital between May 2018 and April 2020 were retrospectively analyzed. There were 17 males and 22 females; the mean age was 44.0 ± 15.8 (range, 18-68 years). Preoperative olecranon fractures were classified according to the Mayo classification: 24 cases were type IIA and 15 cases were type IIB. Elbow range of motion (extension and flexion) and forearm rotation (protonation and supination) were observed at the last follow-up. The Mayo elbow performance score (MEPS), Disabilities of the arm, shoulder and hand (DASH) and visual analogue scale (VAS) scores were used to evaluate elbow function and pain, and complications were also recorded. RESULTS: Thirty-nine patients were followed up for 33.6 ± 8.3 months (range, 25-51 months) after the operation. At the last follow-up, the mean flexion-extension arc was 137° ± 15° (range, 60°-160°), and the mean pronation-supination arc was 178° ± 4° (range, 160°-180°). The mean MEPS was 94.9 ± 9.9 (range, 50.0-100.0). The mean DASH score was 5.4 ± 4.3 (range, 0-18.3). The mean VAS score was 0.4 ± 0.8 (range, 0-3). Seven patients developed olecranon skin irritation, and 3 of them had the internal fixation device removed. Two patients developed heterotopic ossification, of whom 1 patient suffered elbow stiffness. CONCLUSION: Olecranon sled internal fixation has good clinical outcomes in the treatment of Mayo type II olecranon fractures with a low rate of reoperations. © 2024 The Authors. DOI: 10.1016/j.heliyon.2024.e29184 PMCID: PMC11019171