Abstract
To identify factors associated with early extubation in cardiac surgery patients. Single center, retrospective. Tertiary university hospital. The study comprised 8,872 adult patients who underwent cardiothoracic surgery from 2011-2019. None. Of the 8,872 patients, 2,950 (33%) were extubated within six hours after surgery. Early extubated patients were younger, had a higher body mass index (BMI), were more likely to be male, and were fast-track designated. These patients more frequently underwent isolated coronary artery bypass graft, isolated valve, or adult congenital surgeries than did late extubated patients. Early extubated patients had a greater incidence of coronary artery disease (CAD) and anxiety and a higher left ventricular ejection fraction. They also were less likely to have difficult intubation or require mechanical circulatory support, reintubation, or readmission. Analysis of the 8,872 patients showed that male sex (odds ratio [OR] 1.222, 95% confidence interval [CI] 1.096-1.363), a BMI >30 kg/m2 (OR 1.702, 95% CI 1.475-1.965), undergoing isolated valve surgery (OR 1.187, 95% CI 1.060-1.328), and having a fast-track designation (OR 1.455, 95% CI 1.208-1.751) and CAD (OR 1.122, 95% CI 1.005-1.253) were associated with early extubation. Data on intensive care unit (ICU) admission after surgery were available only from 2014-2018. Within this subgroup of 5,977 patients, variables associated with early extubation included male sex (OR 1.356, 95% CI 1.193-1.541), BMI >30 kg/m2 (OR 1.267, 95% CI 1.084-1.480), daytime admission to the ICU (OR 1.712, 95% CI 1.527-1.919), and fast-track designation (OR 1.423, 95% CI 1.123-1.802). Male sex; a BMI >30 kg/m2; undergoing isolated valve surgery; and having a fast-track designation, CAD, and daytime admission to the ICU are associated with early extubation.
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