• F Boughenou, S Madi-Jebara, S Massonnet-Castel, L Benmosbah, A Carpentier, and M T Cousin.
• Service d'anesthésie, hôpital Broussais, Paris.
• Arch Mal Coeur Vaiss. 1995 Mar 1;88(3):363-70.

AbstractIn order to assess the effects of tranexamic acid in comparison to the high dose regimen of aprotinin recommended by Royston and considered to be the reference in postoperative bleeding in cardiac surgery, 35 consecutive patients were randomised to two groups according to the product prescribed. The global postoperative bleeding was comparable in the two groups (p = 0.49). One surgical reoperation for haemostasis was required in the reference group. There was one case of renal failure in the same group due to cardiac failure. No thrombotic complications were observed. Platelet function, as judged by the bleeding time and platelet aggregation to ristocetin, was the same in the two groups. The D-dimers remained low in both groups, reflecting the absence of intravascular coagulation and fibrinolysis. Tranexamic acid was as effective and as safe as high dose aprotinin. These two substances, in addition to their fibrinolytic inhibitory activity, conserved platelet protection by blocking the action of plasmin. These results seem to justify the preventive use of tranexamic acid from the moment of skin incision, especially in reoperation.

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