The Efficacy of Bipolar Sealer on Blood Loss in Primary Total Hip Arthroplasty: A Meta-Analysis

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Abstract

The blood loss during total hip arthroplasty is difficult to manage and there is no consensus about the effect of bipolar sealer used during operation. Thus, a systematic review of randomized controlled trials (RCTs) was performed to evaluate the efficacy and safety of blood loss using bipolar sealer after total hip arthroplasty (THA).

Relevant literature of comparisons of bipolar sealer after THA for blood loss were searched for in Embase, PubMed, Web of Science, the Cochrane Central Register of Controlled Trials, and Google scholar from their inception to October, 2015. High-quality RCTs were selected to evaluate the need for transfusion, blood loss, and other complications. The software RevMan 5.30 was used for the meta-analysis.

Six studies reporting on 6 RCTs comprising 751 patients were included. Compared with standard electrocautery, bipolar sealer was associated with lower rates of need for transfusion (relative risk [RR] = 0.60; 95% confidence interval [CI] 0.39–0.94), estimated blood loss (mean differences [MD] = −127.39; 95% CI −233.32 to −21.46; P = 0.02), and lower total blood loss (MD = −226.57; 95% CI −350.80–102.34; P = 0.0004). There is no significant difference between the hemoglobin drop, blood loss in drainage, intraoperative blood loss, Harris score, and rates of infection.

The present meta-analysis indicated that bipolar sealer can decrease the need for transfusion and total blood loss; however, there is no benefit of bipolar sealer from the recovery. It is still need for samples to determine the balance between the economic cost and transfusion.

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