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[Meta analysis of clinical effects between intramedullary nail and volar plate internal fixation for distal radius
Bin-Bin Niu, Yang Zhang, Dong Wang
1The Second Department of Orthopaedics, the Second College of Clinical Medicine, Xi'an Jiao Tong University, Xi'an 710004, Shaanxi, China; xijing_h@vip.tom.com.
Objective:
To evaluate curative effects of intramedullary nail and volar plate internal fixation for distal radius fractures.
Methods:
The studies concerning about randomized controlled trial of intramedullary nail and volar plate internal fixation for distal radius fractures from create database to May, 2016 were searched from PubMed, Cochrane Library, Web of Science, CNKI, Wan Fang data and VIP. Information was screen and taken out according to inclusion and exclusion criteria, quality of literature was evaluated according to Cochrane Handbook evaluating system. Meta analysis was performed by RevMan 5.2 software. Postoperative grip strength, clinical effects(results of flexion and extension, pronation, supination, deflection of ulnar and radialis) , imaging evaluation (ulnar variance, radial height, volar tilting angle and radial inclination) and the incidence of postoperative complications were analyzed.
Results:
Totally 6 RCT including 370 patients were chosen. According to the Meta analysis, there were no statistical differences in extension[MD=5.63, 95%CI(-7.01, 18.27), P=0.38], flexion[MD=3.10, 95%CI(-0.67, 6.86), P=0.11], pronation[MD=2.58, 95%CI(-0.49, 5.65), P=0.10], supination[MD=0.82, 95%CI(-1.89, 3.54), P=0.55], radial deviation[MD=-5.16, 95%CI(-14.42, 4.11), P=0.28], ulnar deviation[MD=0.19, 95%CI(-2.39, 2.77), P=0.88], ulnar variance[MD=-0.01, 95%CI(-0.43, 0.42), P=0.97], ulnar inclination[MD=-0.31, 95%CI(-1.37, 0.73), P=0.56], radial height[MD=-0.27, 95%CI(-0.98, 0.44), P=0.45], radial inclination[MD=0.29, 95%CI(-0.41, 0.99), P=0.42] and the incidence of postoperative complications[RR=0.71, 95%CI(0.46, 1.09), P=0.12] between intramedullary nail and volar plate internal fixation.
Conclusions:
Compared with volar plate internal fixation, intramedullary nail has the same effect in grip strength, clinical effect, but could not reduce the occurrence of postoperative complications. However, a large number of prospective randomized controlled study should be carried out to prove clinical effect of intramedullary nail for distal radius fractures.
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