Lateral versus medial approach in valgus total knee arthroplasty: a systematic review and meta-analysis

doi:10.3969/j.issn.2095-4344.1057

Abstract

Abstract:

BACKGROUND: Some controlled studies aim at confirming the clinical effects of lateral and medial approaches in valgus knee arthroplasty, but the results are different.
OBJECTIVE: To systematically evaluate the superiority of medial versus lateral approaches in valgus knee arthroplasty.
METHODS: Comparative studies concerning medial and lateral approaches in valgus knee arthroplasty published from January 1, 2000 to April 1, 2018 were searched. The measurement outcomes including operation time, postoperative knee joint scores, range of motion of the knee joint, knee valgus angle, postoperative residual knee valgus rate and incidence of complications were analyzed statistically and forest plots were obtained.
RESULTS AND CONCLUSION: (1) Eight eligible retrospective cohort studies were selected. (2) The average operation time of lateral approach was longer than that of medial approach [MD=2.72; 95%CI (0.03, 5.41), P=0.05]. (3) For valgus total knee arthroplasty, the lateral approach had lower postoperative residual knee valgus rate than that of medial approach [OR=0.13; 95%CI (0.05, 0.36), P < 0.000 1] and better American Knee Society scores [SMD=0.17; 95%CI (0.03, 0.32), P=0.02]. (4) There was no significant difference in the postoperative knee valgus angle, incidence of complications and range of motion of the knee joint between two methods. (5) In summary, in valgus total knee arthroplasty, the lateral approach holds longer operation time, and the higher knee joint score and the success rate of valgus correction compared with the medial approach. Therefore, lateral approach is a reliable and promising technique in valgus total knee arthroplasty. High-quality studies are needed to demonstrate the merits and demerits of the two surgical approaches.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Arthroplasty, Replacement, Knee, Treatment Outcome, Meta-Analysis, Tissue Engineering

CLC Number:

R459.9

Ren Guangzong, Zhang Zhiliang, Han Pengfei, Chen Taoyu, Li Pengcui, Wei Xiaochun. Lateral versus medial approach in valgus total knee arthroplasty: a systematic review and meta-analysis [J]. Chinese Journal of Tissue Engineering Research, 2019, 23(8): 1275-1281.

Figures/Tables 4

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