• 1. Department of Orthopaedics, Second Hospital of Shanxi Medical University, Taiyuan 030001, P.R.China;
  • 2. Shanxi Medical University, Taiyuan 030001, P.R.China;
  • 3. Arthritis Clinic & Research Center, Peking University People’s Hospital, Beijing 010000, P.R.China;
  • 4. Department of Orthopaedic, 920th Hospital of Joint Logistics Support Force, Kunming 650032, P.R.China;
LV Zhi, Email: zhilv2009@yahoo.com.cn; WANG Bin, Email: wangbin_pku@163.com
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Objective To systematically review the efficacy of total hip arthroplasty by direct anterior approach (DAA) and direct lateral approach (DLA). Methods CNKI, WanFang Data, VIP, CBM, EMbase, PubMed, The Cochrane Library, ClinicalTrials.gov and PROSPERO databases or websites were electronically searched to collect randomized controlled trials (RCTs) of DAA and DLA for THA from inception to August 6th, 2021. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies. Meta-analysis was then performed using RevMan 5.3 software. Results A total of 9 RCTs were included. The results of meta-analysis showed that at 3 months post-operation, the Harris hip score (HHS) of the DAA group was higher than the DLA group (MD=4.83, 95%CI 2.09 to 7.56, P=0.000 5). Besides, compared with the DLA group, the DAA group showed shorter incision length (MD=−2.35, 95%CI −3.90 to −0.79, P=0.003), less intraoperative bleeding (MD=−68.24, 95%CI −119.07 to −17.41, P=0.009), and shorter hospital stay (MD=−0.84, 95%CI −1.54 to −0.15, P=0.02). However, no significant differences were found between DLA and DAA in operation duration and HHS at 6 weeks after operation. Conclusions Current evidence shows that DAA can provide better HHS at 3 months post-operation, shorter incision length, less intraoperative bleeding, and shorter hospitalization length than DLA. Due to limited quality and quantity of the included studies, more high-quality studies are required to verify above conclusions.

Citation: YAN Lei, LIU Huachen, SHI Jiayu, XING Dan, LI Chuan, LV Zhi, WANG Bin. Efficacy of total hip arthroplasty by direct anterior and direct lateral approach: a systematic review. Chinese Journal of Evidence-Based Medicine, 2021, 21(10): 1162-1167. doi: 10.7507/1672-2531.202107031 Copy

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