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Predictors of postoperative hematocrit and association of hematocrit with adverse outcomes for coronary artery bypass graft surgery patients with cardiopulmonary bypass
Journal article   Open access   Peer reviewed

Predictors of postoperative hematocrit and association of hematocrit with adverse outcomes for coronary artery bypass graft surgery patients with cardiopulmonary bypass

Edward L Hannan, Zaza Samadashvili, Stephen J Lahey, Alfred T Culliford, Robert S D Higgins, Desmond Jordan, Jeffrey P Gold, Craig R Smith and Andrew Wechsler
Journal of cardiac surgery, v 25(6), pp 638-646
Nov 2010
DOI: https://doi.org/10.1111/j.1540-8191.2010.01143.x
PMID: 21044156
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.1111/j.1540-8191.2010.01143.xView
Published, Version of Record (VoR)Open Access (License Unspecified),  Open

Abstract

Aged Biomarkers - blood Cardiopulmonary Bypass Coronary Artery Bypass Female Forecasting Hematocrit Humans Intensive Care Units Male Middle Aged Monitoring, Intraoperative Postoperative Period Retrospective Studies Risk Factors Treatment Outcome
To determine predictors of low intensive care unit (ICU) admission hematocrit, and to determine if low hematocrit is associated with postoperative outcomes for coronary artery bypass graft (CABG) surgery with cardiopulmonary bypass. We performed a retrospective study of 8417 patients who underwent CABG surgery on cardiopulmonary bypass in New York in 2007. Patients with very low ICU admission hematocrit (≤ 21.9%) and low ICU admission hematocrit (22.0% to 25.9%) were identified. Significant independent predictors of low and very low ICU admission hematocrit, and the independent impact of each of these states on adverse outcomes were identified. A total of 1.1% had very low hematocrit and 8.3% had low hematocrit. Significant independent predictors for either low or very low hematocrit included older age, females, lower body surface area, lower ventricular function, Hispanic ethnicity, non-Caucasian race, high creatinine, previous cardiac surgery, absence of left main disease, and emergency transfer to the operating room following catheterization or percutaneous coronary intervention. Patients with hematocrit ≤ 21.9% had significantly higher risk-adjusted rates of postoperative bleeding (adjusted OR = 4.37, 95% CI [1.97, 9.68, respiratory failure (adjusted OR = 2.85, 95% CI [1.45, 5.63]), and one or more complications than patients with normal hematocrit. Patients with hematocrit between 22.0% and 25.9% also had higher complication rates. It is important for cardiovascular surgical teams to be aware of risk factors that predispose patients to unacceptable hematocrit values, to monitor values closely, and to treat accordingly in the operating room when low values occur.

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7 Record Views
8 citations in Web of Science
10 citations in Scopus

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Collaboration types
Domestic collaboration
Web of Science research areas
Cardiac & Cardiovascular Systems
Surgery
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