Abstract
BackgroundEarly extubation (EEx) after cardiac surgery has been essentially studied in patients with short cardiopulmonary bypass (CPB). Whether preoperative spirometry can predict EEx remains controversial. ObjectivesTo investigate whether EEx can be a goal and predicted by preoperative spirometry in valve surgery requiring long CPB. MethodsNonemergent consecutive 210 patients who underwent valve surgery from January 2014 to August 2019 were investigated retrospectively. ResultsEEx (<8 h) was achieved in 93 (44.3%) patients without increasing adverse events. Patients with EEx had shorter ICU and hospital stays than those without EEx. Multivariate analysis showed that higher estimated glomerular filtration rate and mitral valve repair were significant protective factors for EEx. Conversely, moderate and severe chronic obstructive pulmonary disease defined by spirometry, longer operation, CPB, and aortic cross-clamp time were significant risk factors. ConclusionsEEx should be the goal in current valve surgery. Preoperative spirometry is a significant predictor.
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