Ning Sun, Hua Li, Xing Li, Heng Li, Liangpeng Lai, Yong Wu, Hui Du
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引用次数: 0
Abstract
Background: Revision total ankle arthroplasty (reTAA) is becoming more common. This meta-analysis aimed to evaluate its re-revision rate and factors affecting longevity.
Methods: Following Preferred Reporting Items for Systematic reviews and Meta-Analyses statement and Assessing the Methodological Quality of Systematic Reviews guideline, we searched PubMed, Embase, Web of Science, and Cochrane Library databases from 1 January 2010 to 1 October 2024. Studies reporting survivorship of reTAA were included. Study quality was assessed using the Newcastle-Ottawa Scale (NOS). The primary outcome was the re-revision rate. Pooled estimates with 95% confidence intervals (CIs) were calculated using a random-effects model. The annual re-revision rate was introduced for time-adjusted analysis. Heterogeneity was explored using meta-regression and subgroup analyses.
Results: The analysis included 22 retrospective studies (cohort studies and case series) and one prospective cohort study. The NOS scores indicated moderate to high quality. A total of 999 reTAAs with a mean follow-up of 5 years were identified. The pooled re-revision rate was 9.9% (95% CI: 5.9% to 13.9%). The annual re-revision rate was 2.6% (95% CI: 1.8% to 3.6%). Subgroup analysis indicated that stemmed tibial components were potentially associated with a lower re-revision rate (5.5%) versus unstemmed tibial components (13.2%) ( P = 0.077). However, meta-regression model identified follow-up duration as the only significant factor influencing re-revision rates. The pooled complication rate following reTAA was 18.2%. Among those failed reTAAs, 64.9% underwent conversion to ankle fusion and 5.3% received below-knee amputation.
Conclusion: Although most included studies were low-level evidence, our meta-analysis revealed an overall re-revision rate of 9.9% at 5-year follow-up, with an annual rate of 2.6% for reTAA. Limited evidence suggested that revision systems using stemmed tibial components might reduce the risk of re-revision.
期刊介绍：
The International Journal of Surgery (IJS) has a broad scope, encompassing all surgical specialties. Its primary objective is to facilitate the exchange of crucial ideas and lines of thought between and across these specialties.By doing so, the journal aims to counter the growing trend of increasing sub-specialization, which can result in "tunnel-vision" and the isolation of significant surgical advancements within specific specialties.
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