• Dauren Ayaganov, Aidyn Kuanyshbek, Ivan Vakhrushev, and Tatyana Li.
• NJSC "National Research Cardiac Surgery Center", Astana, Kazakhstan.
• J. Cardiothorac. Vasc. Anesth. 2024 Jan 1; 38 (1): 808580-85.

ObjectiveCardiac surgery with cardiopulmonary bypass (CPB) is associated with hypofibrinogenemia and severe bleeding requiring transfusion. Guidelines recommend cryoprecipitate or fibrinogen concentrate (FC) for the treatment of acquired hypofibrinogenemia. This study compared cryoprecipitate and FC for the correction of acquired hypofibrinogenemia and the associated costs.DesignA single-center, prospective, randomized study evaluating patients with hypofibrinogenemia after cardiac surgery. The primary endpoint was direct treatment cost. Secondary endpoints included the change in fibrinogen level after FC and/or cryoprecipitate dosing.SettingA single-center study in Astana, Kazakhstan.ParticipantsParticipants who underwent CPB from 2021 to 2022 and developed clinically significant bleeding and hypofibrinogenemia.InterventionsPatients were randomized to receive cryoprecipitate or FC.Measurements And Main ResultsEighty-eight adult patients with acquired hypofibrinogenemia (<2.0 g/L) after CPB were randomized to receive cryoprecipitate (N = 40) or FC (N = 48), with similar demographics between groups. Overall, mean ± SD 9.33 ± 0.94 units (range, 8-10) cryoprecipitate or 1.40 ± 0.49 g (1-2) FC was administered to the 2 groups. From before administration to 24 hours after, mean plasma fibrinogen increased by a mean ± SD of 125 ± 65 and 96 ± 65 mg/dL in the cryoprecipitate and FC groups, respectively. At 48 hours after administration, there was no significant difference in fibrinogen levels between groups. The mean direct cost of treatment with FC was significantly lower than with cryoprecipitate (p < 0.0001): $1,505.06 ± $152.40 and $631.75 ± $223.67 per patient for cryoprecipitate and FC, respectively.ConclusionAnalysis of plasma fibrinogen concentration showed that cryoprecipitate and FC had comparable effectiveness. However, FC is advantageous over cryoprecipitate due to its ease of handling, lower cost, and high purity.Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.

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