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Eur J Cardiothorac Surg. 2011 Jun;39(6):892-7. doi: 10.1016/j.ejcts.2010.09.041. Epub 2010 Nov 5.

Tranexamic acid versus ɛ-aminocaproic acid: efficacy and safety in paediatric cardiac surgery.

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  • 1Institute of Anaesthesiology, German Heart Center, Clinic at Technical University Munich, Munich, Germany. martin@dhm.mhn.de

Abstract

OBJECTIVE:

Tranexamic acid (TXA) and ɛ-aminocaproic acid (EACA) are used for antifibrinolytic therapy in cardiac surgery, although data directly comparing their blood sparing effect and their side effects, especially in paediatric cardiac surgical patients, are still missing.

METHODS:

We analysed perioperative data of 234 paediatric patients weighing less than 20 kg undergoing cardiac surgery. In a 5-month period, all patients (n=114) received TXA (group TXA). During a second 5-month period, all patients (n=120) were treated with EACA (group EACA). Primary outcome was blood loss at 24h postoperatively; secondary outcome criteria were transfusion requirement, rate of revision for bleeding, postoperative complications and in-hospital mortality.

RESULTS:

All descriptive and intra-operative parameters were well comparable. There was no evidence for a difference in blood loss at 24h postoperatively (TXA 21 ml kg(-1) (14-38) (median (interquartile range)) vs EACA 29 ml kg(-1) (14-40), p=0.242), rate of re-operation for bleeding (TXA 9.6% vs EACA 8.3%, p=0.725) and transfusion of blood products. The incidence of postoperative complications such as seizures (TXA 3.5% vs EACA 0.8%, p=0.203) and other neurological complications (TXA 2.6% vs EACA 1.7%, p=0.677), renal injury (TXA 9.6% vs EACA 13.3%, p=0.378), renal failure (TXA 1.8% vs EACA 4.2%, p=0.447), low cardiac output syndrome (TXA 12.3% vs EACA 10.8%, p=0.729), and vascular thrombosis (TXA 4.4% vs EACA 5.0%, p=0.824), as well as the in-hospital mortality (TXA 2.6% vs EACA 3.3%, p>0.999) did not show any statistically significant difference.

CONCLUSIONS:

TXA and EACA are well comparable in their effect on perioperative blood loss as well as in major clinical outcome criteria. Although the fourfold risk for seizures using TXA was not significant, we currently use EACA in paediatric cardiac surgery.

Copyright © 2010 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.

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PMID:
21115357
[PubMed - indexed for MEDLINE]
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