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Intraoperative Use of Epsilon Amino Caproic Acid and Tranexamic Acid in Surgeries Performed Under Cardiopulmonary Bypass: a Comparative Study To Assess Their Impact On Reopening Due To Postoperative Bleeding


P Choudhuri
BK Biswas

Abstract

BACKGROUND: Open heart surgeries under cardiopulmonary bypass are associated with excessive perioperative bleeding that often requires reoperation. Antifibrinolytics like epsilon aminocaproic acid and tranexamic acid are widely used to control bleeding. There are limited studies primarily showing the impact of these drugs on the incidence of reopening following open heart surgical procedures. The goal of this study was to compare incidence of reopening following open heart surgeries in patients who were administered either epsilon amino caproic acid or tranexamic acid for control of perioperative bleeding.
METHODS: A prospective, randomized, controlled trial was performed among seventy-eight patients of either sex in the age group of 18 to 65 years scheduled for open heart surgeries under cardiopulmonary bypass. They were randomly allocated into three groups where group A (n=26) received epsilon aminocaproic acid, group B (n=26) received tranexamic acid and group C (control group, n=26) received intravenous 0.9% normal saline. Patients had similar anaesthetic protocols, and were monitored for twenty-four hours postoperatively to assess reopening rates because of excessive bleeding.
RESULTS: Two patients in each group receiving either tranexamic acid or epsilon aminocaproic acid had excessive bleeding requiring reopening after surgery whereas three patients in the control group had undergone reopening for excessive bleeding (p>0.05).
CONCLUSIONS: Epsilon aminocaproic acid and tranexamic acid exhibit similar and comparable effect to placebo on incidence of reopening for excessive bleeding following open heart surgeries under cardiopulmonary bypass

KEYWORDS: Bleeding, CPB, CABG, antifibrinilytics


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eISSN: 2413-7170
print ISSN: 1029-1857