Meta-analysis of differences in Constant-Murley scores for three mid-shaft clavicular fracture treatments
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Wei Jiang1, Hua Wang1, Yu-Sheng Li2, Tian-Jian Zhou1 and Xin-Jia Hu1
1Department of Bone and Joint, Shenzhen People’s Hospital, 2nd Clinical Medical College of Jinan University, Shenzhen 518020, China
2Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
Xin-Jia Hu, email: [email protected]
Keywords: clavicular fracture, non-operative treatment, plate fixation, intramedullary pin fixation, Constant-Murley score
Received: October 27, 2016 Accepted: May 19, 2017 Published: June 12, 2017
There is no consensus on the optimal treatment for mid-shaft clavicular fracture. We conducted a meta-analysis to compare the effectiveness of non-operative treatment, plate fixation, and intramedullary pin fixation in terms of the Constant-Murley Score (CMS) for treatment of mid-shaft clavicular fracture. Comprehensive search of the Embase, Cochrane Library and PubMed was conducted to retrieve relevant randomized controlled trials (RCTs). A random-effect network meta-analysis was conducted within a Bayesian framework using Markov Chain Monte Carlo (MCMC) in OpenBUGS 3.2.2. Differences in CMS among the three treatments analyzed were evaluated with weighted mean difference (WMD) and surface under the cumulative ranking curves (SUCRA). Eleven studies met our inclusion criteria and were included in our network meta-analysis. Our results revealed that in terms of CMS followed-up for six months, the efficacies of plate fixation and intramedullary pin fixation were higher than non-operative treatment (plate fixation: WMD = 4.70, 95% CI = 1.21 ~ 7.83; intramedullary pin fixation: WMD = 6.71, 95% CI = 3.20 ~ 10.39), and intramedullary pin fixation had better efficacy than plate fixation, had better efficacy. However, no differences were found between the efficacies of the three treatments in pairwise comparisons with respect to CMS followed-up for six weeks, three months, 12 months and 24 months. In addition, the cluster analysis showed that intramedullary pin fixation had the best efficacy for patients with mid-shaft CF, followed by plate fixation and non-operative treatment. These analyses suggest intramedullary pin fixation may be the optimal therapeutic approach for mid-shaft clavicular fracture patients.
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