• Rev Esp Anestesiol Reanim · Mar 2007

    Clinical Trial

    [Effect of tranexamic acid on postoperative bleeding in pediatric heart surgery].

    • C A Varela Crespo, P Sanabria Carretero, M A Palomero Rodríguez, C Tormo las de Heras, E Rodríguez Pérez, and L Goldman Tarlousky.
    • Servicio de Anestesia y Reanimación Pediátrica, Hospital Universitario Infantil La Paz, Madrid. carlosvarelac@yahoo.es
    • Rev Esp Anestesiol Reanim. 2007 Mar 1;54(3):155-61.

    ObjectiveTo assess the effects of a single dose of tranexamic acid on bleeding and requirement for blood product transfusion in children undergoing cardiac surgery with cardiopulmonary bypass.Patients And MethodsA prospective study of closed cohorts undergoing pediatric heart surgery was carried out. The children weighed between 4 and 10 kg. Reoperated and cyanotic patients were included in the sample. The treatment group received 50 mg x kg(-1) of tranexamic acid before surgery. Analyzed data collected during the first 24 hours after surgery were biochemical parameters, bleeding, use of blood products, and D-dimer levels.ResultsFifty-three patients, 25 in the treatment group, were enrolled. Patients on treatment had 24.8% less bleeding in the first 24 hours after surgery (P = .02). The transfusion of blood products was 20% less in the treatment group, although the difference was not significant except in the subgroup of patients who were reoperated. In that group the amount of blood products transfused was 72% less than in the control group (P = .05). D-dimer levels were also lower in the treatment group (P = .003). No adverse effects attributable to the treatment were observed.ConclusionsA single preoperative dose of tranexamic acid to inhibit fibrinolysis reduces bleeding 24.8% in pediatric patients undergoing heart surgery with cardiopulmonary bypass. The effect is greater in reoperated patients, leading to a reduction in their requirement for transfusion. The use of this therapy in these patients is therefore highly justified.

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