Effect of risedronate on femoral periprosthetic bone loss following total hip replacement: A systematic review and meta-analysis

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Background:Recent study has reported that risedronate was effective in reducing periprosthesis bone loss after total hip arthroplasty (THA). The meta-analysis was performed to compare the clinical outcomes of THA with oral risedronate versus placebo.Methods:Electronic databases: PubMed (1950–March 2018), EMBASE (1974–March 2018), the Cochrane Central Register of Controlled Trials, Web of Science (1950–March 2018) were systematically searched. Two authors independently graded the methodological quality of each eligible study using the Cochrane Collaboration tool and extracted relevant data. Statistical heterogeneity among the trials were evaluated with chi-square and I-square tests. This meta-analysis was performed using STATA 14.0.Results:A total of 4 randomized controlled trials (RCTs) published between 2006 and 2015 were included in our study. The meta-analysis demonstrated that risedronate was associated with a significantly reduction of periprosthetic bone mineral density after THA. No increased postoperative complications were observed.Conclusion:Oral risedronate might reduce the periprosthetic bone resorption after cementless THA. Additionally, no severe adverse effects were observed. High-quality RCTs with large sample size were still required.

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