IntroductionThe objective of this study was to determine the effectiveness of tranexamic acid in decreasing bleeding in patients undergoing prostate surgery.Material and methodsAll clinical experiments were included without language restrictions. The inclusion criteria were as follows: men over 18 years of age who underwent prostate surgery (transurethral, prostate adenectomy, and radical prostatectomy) and received tranexamic acid prior to prostate surgery as a preventive measure for perioperative hemorrhage. Prophylactic tranexamic acid vs. no intervention or placebo were compared. The primary outcomes were as follows: 1) intraoperative blood loss and 2) the need for red blood cell transfusion. A systematic search was performed in MEDLINE, EMBASE, CENTRAL and LILACS. Other sources were used to discover published and unpublished literature sources. The statistical analysis was performed in Review Manager v.5.3.ResultsFour studies were included with a total of 436 patients. Three of the four studies had small sample sizes. There was a low risk of attrition bias and reporting bias. Unclear risk of selection bias, performance bias, or detection bias was presented. A mean difference (MD) of -174.49 [95% CI (-248.43 to -100.56)] was found for perioperative blood loss (the primary outcome). At the end of the procedure, the hemoglobin concentration had a MD of -1.19 [95% CI (-4.37 to 1.99)].ConclusionsTranexamic acid is effective at preventing perioperative blood loss compared with the placebo in patients undergoing transurethral resection of the prostate (TURP). However, this treatment was not effective neither at preventing the need for transfusions nor at increasing hemoglobin values at the end of the procedure.
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