Early versus late weight bearing & ankle mobilization in the postoperative management of ankle fractures: A systematic review and meta-analysis of randomized controlled trials Journal Articles uri icon

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abstract

  • BACKGROUND: While open reduction and internal fixation is currently considered the optimum treatment option for displaced ankle fractures, the most optimal post-operative rehabilitation strategy in this setting remains unclear. The objective of this investigation was to compare the effect of early vs. late weight bearing and ankle mobilization in the post-operative management of ankle fractures. METHODS: Medline, Embase, CENTRAL, Scopus, CINHAL, and Web of Science were searched to identify randomized controlled trials (RCTs) and quasi-RCTs. Two review authors screened articles, abstracted data, and evaluated risk of bias in duplicate. Outcomes of interest included post-operative ankle function and overall time to return to work. Studies on weight bearing and ankle mobilization were analysed separately and all data were pooled using random-effects models. RESULTS: Eighteen trials were included in the review of which 14 were included in the meta-analysis of at least one outcome of interest. Majority of the studies presented a high overall risk of bias. Early weight bearing demonstrated significantly better short-term postoperative functional scores at 6-9 weeks postoperatively (SMD: 0.39, 95% CI: 0.19, 0.58; p < 0.0001; I2 = 0%). However, the functional effect of early weight bearing compared to late weight bearing gradually became equivalent by the 6 month postoperative time-period. Early weight bearing also demonstrated a significant reduction in the time to return to work/daily activities (MD: -12.29, 95% CI: -17.39, -7.19; p < 0.0001; I2 = 0%). In comparison, no significant differences were found between early ankle mobilization/exercises and immobilization. CONCLUSION: Our findings suggest a potential role of EWB in improving post-operative ankle-function in the short-term and reducing the overall time to return to work/daily activities, but no clinical benefit associated with early ankle mobilization post-surgery.

publication date

  • October 2022