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

    Preexisting Right Ventricular Diastolic Dysfunction and Postoperative Cardiac Complications in Patients Undergoing Nonemergency Coronary Artery Bypass Surgery.

    • Alexey N Sumin, Ekaterina V Korok, and Tatjana Ju Sergeeva.
    • Federal State Budgetary Institution "Research Institute for Complex Issues of Cardiovascular Disease", Kemerovo, Russia. Electronic address: an_sumin@mail.ru.
    • J. Cardiothorac. Vasc. Anesth. 2021 Mar 1; 35 (3): 799-806.

    ObjectivesTo evaluate whether the presence of preexisting right ventricular diastolic dysfunction (RVDD) in patients undergoing coronary artery bypass grafting (CABG) is associated with a greater incidence of postoperative cardiac complications.DesignSingle-center, observational, retrospective, cohort study.SettingResearch institute hospital.ParticipantsPatients undergoing CABG from February 2017 to November 2018 (n = 200).InterventionsNone.Measurements And Main ResultsTransthoracic echocardiography was performed to obtain the following values of right ventricular (RV) diastolic function: peak velocity of early (Et) and late (At) transtricuspid flow, e't, a't, s't, tricuspid annular plane systolic excursion, and the RV Tei index. All patients were divided into the following 2 groups: with RVDD (n = 92) or without RVDD (n = 108). Compared with control patients, the patients with RVDD developed postoperative heart failure (PHF) (primary outcome) more frequently (p = 0.026). RVDD, low left ventricular ejection fraction, were female, underwent cardiopulmonary bypass, increased left ventricular mass index, and an Et/At ratio that increased the risk of the development of PHF. However, only RVDD (odds ratio 4.82; p = 0.015), cardiopulmonary bypass (odds ratio 4.04; p = 0.028), and female sex were associated independently with the development of PHF in the multivariate analyses.ConclusionsPreoperative RVDD, cardiopulmonary bypass, and female sex are independent risk factors for the development of PHF after CABG in coronary artery disease patients. The decreased Et/At ratio was the best echocardiographic marker predicting PHF development after CABG. Nevertheless, the possibility of assessing preoperative diastolic RV function to predict the development of PHF after CABG requires confirmation in additional studies.Copyright © 2020 Elsevier Inc. All rights reserved.

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