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  • A meta-analysis of the necessity of coracoclavicular ligament reconstruction in the treatment of unstable distal clavicular fractures with locking plate

    Objective To investigate the necessity of coracoclavicular ligament reconstruction in the treatment of unstable distal clavicular fracture with locking plate. Methods We searched PubMed, the Cochrane Library, Embase, China National Knowledge Infrastructure, Wanfang database and VIP database for all the articles about the treatment of unstable distal clavicular fractures using locking plate combined with coracoclavicular ligament reconstruction or locking plate alone from the establishment of databases to November 30th, 2022. According to the inclusion and exclusion criteria, we selected the documents that met the requirements of this paper, and extracted the effective data after evaluating the quality of the documents, including the Constant-Murley score, coracoclavicular distance, fracture healing time, complication rate, operative time, intraoperative blood loss, incision length and the Visual Analogue Scale score of postoperative pain. RevMan 5.4 software was used for meta-analysis. Results A total of 11 retrospective cohort studies were included, and the overall quality of the literature was high. A total of 421 cases were included in this study, including 209 cases in the locking plate combined with coracoclavicular ligament reconstruction group and 212 cases in the locking plate group. The results of meta-analysis showed that locking plate combined with coracoclavicular ligament reconstruction in the treatment of unstable distal clavicular fractures was superior to locking plate alone in the Constant-Murley score [mean difference (MD)=7.35, 95% confidence interval (CI) (2.84, 11.87), P=0.001], coracoclavicular distance [MD=–1.22 mm, 95%CI (–1.92, –0.53) mm, P=0.0006], fracture healing time [MD=–2.76 weeks, 95%CI (–4.74, –0.79) weeks, P=0.006] and complication rate [odds ratio=0.31, 95%CI (0.14, 0.68), P=0.004], but the former had longer operative time [MD=9.27 min, 95%CI (4.53, 14.01) min, P=0.0001]. There was no significant difference in the intraoperative blood loss [MD=3.31 mL, 95%CI (–17.01, 23.63) mL, P=0.75], incision length [MD=0.30 cm, 95%CI (–0.11, 0.71) cm, P=0.15], or Visual Analogue Scale score of postoperative pain [MD=–0.26, 95%CI (–0.79, 0.27), P=0.33]. Conclusions Although the reconstruction of the coracoclavicular ligament increases the time of surgery, locking plate combined with coracoclavicular ligament reconstruction in the treatment of unstable distal clavicular fractures is significantly better than locking plate alone in terms of reduction quality, shoulder function recovery, fracture healing time, and the incidence of complications, without significant intraoperative bleeding, prolonged incision or postoperative pain.

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