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Efficacy and bleeding risk of antithrombin supplementation in septic disseminated intravascular coagulation: A prospective multicenter survey.

Thromb Res. 2012 Apr 27;

Authors: Iba T, Saito D, Wada H, Asakura H

Abstract
INTRODUCTION: Although supplementation with antithrombin (AT) concentrates has been widely accepted for the treatment of disseminated intravascular coagulation (DIC) in Japan, the effects and adverse effects have not been investigated. MATERIALS AND METHODS: We conducted a nonrandomized multi-institutional survey. A total of 729 septic DIC patients with AT activity levels of 70% or lower, who had undergone AT substitution at either 1500IU/day or 3000IU/day for consecutive 3days were analyzed. Of these, 650 and 79 patients had received 1500IU/day (AT1500 group) and 3000IU/day (AT3000 group), respectively. RESULTS: Bleeding events were observed in 6.52% of patients (severe bleeding, 1.71%). A significant decrease in initial AT level (below 50%) was observed in 69.6% of patients in AT3000 group and 48.2% in AT1500 group, and this difference was significant (P<0.01). A logistic-regression analysis conducted using age, gender, body weight, initial AT activity, and supplemented AT dose, revealed that higher initial AT activity (odds ratio (OR), 1.032; P<0.001), AT dose of 3000IU/day (OR, 1.912; P=0.026), and age (OR, 0.985; P=0.023) were significant factors for improved survival. CONCLUSION: The risk of severe bleeding is less than 2%, and concomitant administration of heparin did not increase the risk. The survival in AT1500 group was 65.2%, while that in AT3000 group was 74.7%.

PMID: 22542365 [PubMed - as supplied by publisher]

Link to Article at PubMed

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