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Meta-analysis of the clinical efficacy of the gamma3 nail vs gamma3U-blade system in the treatment of intertrochanteric fractures

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World Journal of Orthopedics 2024年第3期15卷 285-292页

作者： Xuan Wu Bo Gao Department of Orthopedic Zhong Da HospitalSchool of MedicineSoutheast UniversityNanjing 210000Jiangsu ProvinceChina Department of Orthopedic The Affiliated Taizhou Second People's Hospital of Yangzhou UniversityTaizhou 225500Jiangsu ProvinceChina

BACKGROUND The traditional gamma3 nail is a mainstream treatment for femoral intertrochanteric fractures.Literature reports that the gamma3U-blade system can increase the stability of the gamma3 nail and reduce complication incidence.However,comparative studies between the gamma3U-blade and gamma3 systems are limited;hence,this meta-analysis was performed to explore the clinical efficacy of these two surgical methods.AIM To investigate the clinical efficacy of gamma3 and gamma3 U-blade for intertrochanteric fractures.METHODS A computerized search for Chinese and English literature published from 2010 to 2022 was conducted in PubMed,Cochrane,CNKI,Wanfang,and VIP databases.The search keywords were gamma 3,gamma 3 U blade,and intertrochanteric fracture.Additionally,literature tracking was performed on the references of published literature.The data were analyzed using Revman 5.3 software.Two individuals checked the inputs for accuracy.Continuous variables were described using mean difference and standard deviation,and outcome effect sizes were expressed using ratio OR and 95%confidence interval(CI).High heterogeneity was considered at(P50%),moderate heterogeneity at I2 from 25%to 50%,and low heterogeneity at(P≥0.05,I2304 cases.Statistical analysis:A total of 1063 patients were included in this meta-analysis.The main outcome indicators were:Surgical time:The gamma3U blade system had a longer surgical time compared to gamma3 nails(P=0.006,I2=76%).Tip-apex distance:No statistical significance or heterogeneity was observed(P=0.65,I2=0%).Harris Hip score:No statistical significance was found,and low heterogeneity was detected(P=0.26,I2=22%).Union time:No statistical significanc

关键词： gamma3 nail gamma3U-Blade system Femoral intertrochanteric fractures Meta-analysis

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