• J. Cardiothorac. Vasc. Anesth. · Dec 2021

    Review

    Red-Colored Urine in the Cardiac Surgical Patient-Diagnosis, Causes, and Management.

    • Li Ying Koh and Nian Chih Hwang.
    • Department of Anaesthesiology, Singapore General Hospital, Singapore; Department of Cardiothoracic Anaesthesia, National Heart Centre, Singapore.
    • J. Cardiothorac. Vasc. Anesth. 2021 Dec 1; 35 (12): 3774-3788.

    AbstractRed-colored urine occurring in the intraoperative and early postoperative periods after cardiac surgery is often a cause for concern. This observation may be a result of hematuria from pathology within the urinary tract, anticoagulant-related nephropathy, drug-induced acute interstitial nephropathy, excretion of heme pigment-containing proteins, such as myoglobin and hemoglobin, and hemolysis occurring during extracorporeal circulation. Within the kidneys, heme-containing compounds result in pigment nephropathy, which is a significant contributory factor to cardiac surgery-associated acute kidney injury. Concerted efforts to reduce red blood cell damage during cardiopulmonary bypass, together with early recognition of the at-risk patient and the institution of prompt therapeutic intervention, may improve outcomes. This review addresses the diagnosis, causes, and management of red-discolored urine occurring during and after cardiac surgery.Copyright © 2020 Elsevier Inc. All rights reserved.

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