PMID: 9429682Jan 16, 1998Paper

Preoperative and postoperative predictors of early and delayed extubation after coronary artery bypass surgery

American Journal of Critical Care : an Official Publication, American Association of Critical-Care Nurses
L V DoeringF Esmailian

Abstract

To identify preoperative, intraoperative, and postoperative predictors of early (6 hours or less after surgery) and delayed (more than 6 hours) extubation after coronary artery bypass graft surgery. The sample for this prospective nonrandomized study consisted of 116 consecutive patients in a 12-bed cardiothoracic ICU who had coronary artery bypass graft surgery in a 6-month period and were followed up prospectively until transfer to an observation unit. Age and the presence of early hemodynamic instability (within the first 3 hours after ICU admission) were independent predictors of intubation times of more than 6 hours when each was considered in separate multivariate models of preoperative, intraoperative, and postoperative variables. In a combined model, when considered with age and ejection fraction, the presence of early hemodynamic instability increased the odds by 4.7 times that extubation would occur more than 6 hours after surgery. For every 1 year increase in age, the odds of extubation occurring more than 6 hours after surgery increased by 6.5%. Older age and the presence of early hemodynamic instability are associated with postoperative intubation periods of more than 6 hours after coronary artery bypass graft surg...Continue Reading

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