• Eric W Etchill, Xiaoting Wu, Diane Alejo, Clifford E Fonner, Carol Ling, Neil Worrall, Eric Lehr, Francis Pagani, Terri Haber, Patty Theurer, Jeannie Collins-Brandon, Ravi Hira, James Brevig, Erika Mallory, Charles Maynard, Donald S Likosky, WhitmanGlenn J RGJRDivision of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland., and IMPROVE Network.
• Division of Cardiac Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland. Electronic address: eetchil1@jhmi.edu.
• J. Thorac. Cardiovasc. Surg. 2024 Oct 17.

BackgroundIn an effort to enhance recovery after cardiac surgery, intraoperative extubation has been targeted as possibly beneficial. This multi-center cohort study aimed to assess this by evaluating the outcomes of OR extubation versus extubation within six hours of intensive care unit arrival (early ICU extubation). Furthermore, we assessed time to ICU extubation and mortality and morbidity.MethodsPatients undergoing on-pump cardiac surgery across 79 hospitals between 2011-2020 were included to 1) compare outcomes among OR extubation and early ICU extubation patients, and 2) assess time to overall ICU extubation and outcomes.ResultsThe overall study cohort comprised 163,982 patients, including 95,982 patients [ [ OR extubation : n= 2,529 (2.6%)and early ICU extubation : n= 93,453 (97.4%)] who underwent comparison of OR with early ICU extubation. Following overlap weighting, OR extubation patients had longer OR times (5.6 vs. 5.1 hours, p < 0.0001), and higher rates of reintubation (5.2% vs 2.9%, p=0.003), prolonged ventilation (3% vs 2%, p = 0.021), reoperation for bleeding (1.5% vs 0.7%, p < 0,01), pneumonia (1.9% vs. 1.1% , p < 0.006), and greater in-hospital mortality on multivariable regression (OR 1.34, p < 0.001). OR extubation patients at centers with low OR extubation rates (< 10%, N=60) had higher mortality (odds ratio 1.6, p = 0.001). Beyond 22 hours of postoperative ICU ventilation, the risk of morbidity and mortality increased significantly .ConclusionsFew cardiac surgery patients are extubated in the OR, which is associated with no clinical benefit and with increased morbidity. Cardiac surgery programs should reconsider OR extubation following cardiopulmonary bypass. Additionally, increased intubation time, in particular > 22 hours, is associated with an increase in adverse outcomes.Copyright © 2024. Published by Elsevier Inc.

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