• J. Cardiothorac. Vasc. Anesth. · Aug 2022

    Randomized Controlled Trial

    Whole Blood Adsorber During CPB and Need for Vasoactive Treatment After Valve Surgery in Acute Endocarditis: A Randomized Controlled Study.

    • Anna Holmén, Anna Corderfeldt, Lukas Lannemyr, Göran Dellgren, and Emma C Hansson.
    • Department of Cardiothoracic Surgery, Sahlgrenska University Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden.
    • J. Cardiothorac. Vasc. Anesth. 2022 Aug 1; 36 (8 Pt B): 3015-3020.

    ObjectivesPatients with endocarditis requiring urgent valvular surgery with cardiopulmonary bypass are at a high risk of developing systemic inflammatory response syndrome and septic shock, necessitating intensive use of vasopressors after surgery. The use of a cytokine hemoadsorber (CytoSorb, CytoSorbents Europe GmbH, Germany) during cardiac surgery has been suggested to reduce the risk of inflammatory activation. The study authors hypothesized that adding a cytokine adsorber would reduce cytokine burden, which would translate into improved hemodynamic stability.DesignA randomized, controlled, nonblinded clinical trial.SettingAt a university hospital, tertiary referral center.ParticipantsNineteen patients with endocarditis undergoing valve surgery.InterventionA cytokine hemoadsorber integrated into the cardiopulmonary bypass circuit.Measurements And Main ResultsThe accumulated norepinephrine dose in the intervention group was half or less at all postoperative time points compared to the control group, although it did not reach statistical significance; at 24 and 48 hours (median 36 [25-75 percentiles; 12-57] μg v 114 [25-559] μg, p = 0.11 and 36 [12-99] μg v 261 [25-689] μg, p = 0.09). There was no significant difference in chest tube output, but there was a significantly lower need for the transfusion of red blood cells (285 [0-657] mL v 1,940 [883-2,148] mL, p = 0.03).ConclusionsThere was no statistically significant difference between the groups with regard to vasopressor use after surgery for endocarditis with the use of a cytokine hemoadsorber during cardiopulmonary bypass. Additional, larger randomized controlled trials are needed to definitely assess the potential effect.Copyright © 2022 Elsevier Inc. All rights reserved.

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