Trial reportActa cirurgica brasileira2026
Tranexamic acid in laparoscopic sleeve gastrectomy: bleeding control amid thrombotic concerns and hemodynamic instability: a randomized double-blinded clinical trial.
Trial report in Acta cirurgica brasileira, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
purposeLaparoscopic sleeve gastrectomy (LSG) carries a risk of intraoperative and postoperative bleeding. Tranexamic acid (TXA) has been proposed to reduce blood loss. We evaluated the efficacy of TXA in preventing perioperative bleeding in patients undergoing LSG.
methodsIn a randomized clinical trial, 185 morbidly obese patients scheduled for elective LSG were randomly assigned to receive TXA (n = 93) or a placebo (n = 92) before surgery. The rate of bleeding requiring blood transfusion, 24-hour serum hemoglobin levels, postoperative hemodynamic indices, and the incidence of postoperative thrombotic events were assessed.
resultsIntraoperative bleeding occurred less frequently in the TXA group than in the placebo group (1 versus 5.5%, p = 0.012). Postoperative hemoglobin levels were higher in the TXA group (12.5 ± 1.2 g/dL versus 11.1 ± 1.5 g/dL, p = 0.002), while transfusion requirements, hemodynamic stability, and length of hospital stay were similar between groups. No postoperative thromboembolic events were observed. Multivariable analysis confirmed TXA as an independent predictor of reduced bleeding and higher postoperative hemoglobin levels.
conclusionTXA significantly reduced intraoperative bleeding and improved postoperative hemoglobin levels in LSG without increasing hemodynamic instability or the risk of thromboembolic events.
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