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The relationship between perioperative temperature and adverse outcomes after off-pump coronary artery bypass graft surgery
Journal article   Open access   Peer reviewed

The relationship between perioperative temperature and adverse outcomes after off-pump coronary artery bypass graft surgery

Edward L. Hannan, Zaza Samadashvili, Andrew Wechsler, Desmond Jordan, Stephen J. Lahey, Alfred T. Culliford, Jeffrey P. Gold, Robert S. D. Higgins and Craig R. Smith
The Journal of thoracic and cardiovascular surgery, v 139(6), pp 1568-U246
01 Jun 2010
DOI: https://doi.org/10.1016/j.jtcvs.2009.11.057
PMID: 20167336
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.1016/j.jtcvs.2009.11.057View
Published, Version of Record (VoR)Open Access (Publisher-Specific),  Open

Abstract

Cardiac & Cardiovascular Systems Cardiovascular System & Cardiology Life Sciences & Biomedicine Respiratory System Science & Technology Surgery
Objective: The study objective was to determine predictors of hypothermia and hyperthermia, and the impact of hypothermia and hyperthermia on postoperative outcomes for off-pump coronary artery bypass grafting. Methods: We performed a retrospective study of 2294 patients who underwent off- pump coronary artery bypass grafting in New York in 2007. Patients were classified as moderately to severely hypothermic (<= 34.5 degrees C), mildly hypothermic (34.6 degrees C-35.9 degrees C), or mildly hyperthermic (37.5 degrees C-38.8 degrees C) after leaving the operating room. Significant independent predictors of these temperature states and the independent impact of each of these states on in-hospital mortality and complications were identified. Results: A total of 37.7% of patients were mildly hypothermic, 9.0% of patients were moderately to severely hypothermic, and 5.6% of patients were mildly hyperthermic. Significant independent predictors for postoperative hypothermia included older age, female gender, lower body surface area, congestive heart failure, higher ventricular function, non-Hispanic ethnicity, single/double-vessel disease, low postoperative hematocrit, previous cardiac surgery, race other than white or black, and organ transplant. Patients with moderate to severe hypothermia had significantly higher risk-adjusted in-hospital mortality than patients with normothermia (adjusted odds ratio 3.00; 95% confidence interval, 1.11-8.08). Patients with mild hyperthermia also had significantly higher mortality ( adjusted odds ratio 5.04; 95% confidence interval, 1.18-21.55). Patients with either mild or moderate to severe hypothermia had significantly higher rates of respiratory failure and unplanned operations, and patients with mild hyperthermia had a significantly higher rate of respiratory failure than normothermic patients. Conclusion: It is important to maintain normal postsurgical core temperatures in patients who have undergone cardiac surgery to minimize or avoid death and complications. (J Thorac Cardiovasc Surg 2010;139:1568-75)

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31 citations in Web of Science
41 citations in Scopus

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