A Novel Suture‐Preset Spring Plate System (SSPS) for Comminuted Coronoid Process Fracture in the Elbow

Autor: Ruijian Yan, Yifan Wu, Zhihui Xiang, Sihao Li, Yiying Qi, Hang Li, Chengyu Zhuang, Gang Feng
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Orthopaedic Surgery, Vol 14, Iss 10, Pp 2580-2590 (2022)
Druh dokumentu: article
ISSN: 1757-7861
1757-7853
DOI: 10.1111/os.13460
Popis: Objective This study is aimed to investigate the clinical outcomes of a novel SSPS for fixation of the comminuted coronoid fracture. Methods A retrospective study was carried out in the patients with comminuted fractures of the coronoid treated by SPSS fixation between January 2014 and December 2018. A total of 17 patients (17 sides) was included in our study, including 11 male and six female, with a mean age range from 18 to 60. All cases started to functional rehabilitation immediately after the operation. Clinical outcomes were evaluated both radiographically and functionally at the follow‐up visit, including the elbow instability, range of motion and Mayo elbow performance score (MEPS). Results According to the O'Driscoll classification system, there was two side of type 1.2, two of type 2.1, four of type 2.2, three of type 2.3, two of 3.1 and four of type 3.2. The surgery was carried out by Kocher and anteromedial approach in 12 patients, posterior and anteromedial approach in four, anterior approach in one. The average operation time and intraoperative blood loss was 129.41±43.87 min and 115.29±104.65 ml. The median follow‐up time was 9 months (range, 6 to 15 months). The mean flexion, extension, pronation and supination motion was 138.76±8.67 degrees, 20.00±13.58, 82.94±5.32and 74.12±14.39 respectively at final follow up. The mean MEPS score was 89.76±8.46, including 11 excellent, 3 good and 3 fair result. The mean VAS score was 1.94±0.97. The mean union time of coronoid fractures was 2.77±0.31 months according to the established standard of healing. There were no significant differences in clinical outcomes among groups according to the O'Driscoll classification (P > .05) and ligament repair strategy (P > .05). No patient underwent instability or dislocation of the elbow during follow up. There were two cases with mild ulnar nerve symptoms which recovered totally at follow up. Meanwhile, there were three cases with heterotopic ossification of the elbow. Conclusion Our findings demonstrated that the SSPS can provide a reliable fixation for the comminuted coronoid fracture with satisfactory clinical outcomes.
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