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  • Title: Is combined topical and intravenous tranexamic acid superior to intravenous tranexamic acid alone for controlling blood loss after total hip arthroplasty?: A meta-analysis.
    Author: Zhang H, He G, Zhang C, Xu B, Wang X, Zhang C.
    Journal: Medicine (Baltimore); 2017 May; 96(21):e6916. PubMed ID: 28538381.
    Abstract:
    BACKGROUND: We performed a meta-analysis of randomized controlled trials (RCTs) to compare the efficacy and safety of combined intravenous (IV) and topical tranexamic acid (TXA) with IV-TXA alone for controlling blood loss in patients following primary total hip arthroplasty (THA). METHODS: PubMed, EMBASE, the Cochrane Central Register of Controlled Trials, the Google database, the Chinese Wanfang database, and the China National Knowledge Infrastructure database were searched to identify studies comparing combined IV and topical TXA with IV-TXA alone in patients who were prepared for THA. The weighed mean differences for total blood loss, hemoglobin drop, intraoperative blood loss, and the length of hospital stay were calculated. We calculated risk ratios for the need for transfusion and the occurrence of deep venous thrombosis (DVT) in the combined TXA and IV-TXA alone groups. Relevant data were analyzed using Reviewer Manager 5.3.0. RESULTS: Eight RCTs with a total of 850 patients (combined TXA: n = 471; IV-TXA: n = 479) were included in this meta-analysis. Pooled results indicated that compared with the IV-TXA alone group, the combined TXA group was associated with a lesser need for transfusion, total blood loss, intraoperative blood loss, and hemoglobin drop (P < .05). There was no significant difference between the 2 groups for the length of hospital stay and the occurrence of DVT (P > .05). CONCLUSIONS: The current meta-analysis indicated that combined topical and IV-TXA was a relatively effective hemostasis method compared with IV-TXA alone. The number of studies included in this meta-analysis is limited, and more studies are needed to verify the effects of combined IV and topical TXA in THA patients.
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