• M M Peng Zhang, M M Jifeng Li, and M M Xiao Wang.
• Department of Orthopedics, Huaihe Hospital, Henan University, Henan, China.
• Int J Surg. 2017 Jul 1; 43: 171-180.

ObjectiveTo compare the efficacy and safety of the combined application of both intravenous and topical tranexamic acid versus the single use of either application in patients with total knee and hip arthroplasty.MethodsPotentially relevant studies were identified from electronic databases including Medline, PubMed, Embase, ScienceDirect and the Cochrane Library. Patients undergoing primary total knee and hip arthroplasty were included in our studies, with an experimental group that received combined intravenous and topical application of tranexamic acid and a control group that received a single application of tranexamic acid or normal saline. The primary outcomes were total blood loss, hemoglobin decline and transfusion requirements. The secondary outcomes were length of stay, operation time and tranexamic acid-related adverse effects, such as superficial infection, deep vein thrombosis or pulmonary embolism. Modified Jadad scores were used to assess the quality of the included randomized controlled trials (RCTs). The data was pooled using RevMan 5.3. After testing for heterogeneity across studies, the data were aggregated using random-effects modeling when appropriate. We have registered the trial at http://www.researchregistry.com.ResultsSix RCTs that included 704 patients met the inclusion criteria. The present meta-analysis indicated significant differences existed in the total blood loss (MD = -134.65, 95% CI: -191.66 to -77.64, P < 0.0001), postoperative hemoglobin level (MD = 0.74, 95% CI: 0.39 to 1.10, P < 0.0001), drainage volume (MD = -40.19, 95% CI: -55.95 to -24.43, P < 0.00001) and transfusion rate (RD = -0.07, 95% CI: -0.11 to -0.03, P = 0.0004) between groups.ConclusionCombined administration of tranexamic acid in total knee and hip arthroplasty was associated with significantly reduced total blood loss, postoperative hemoglobin decline, drainage volume, and transfusion requirements. Based on the limitations of current meta-analysis, well-designed, high-quality RCTs with long-term follow-up are still required.Copyright © 2017 IJS Publishing Group Ltd. Published by Elsevier Ltd. All rights reserved.

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