PMID: 16632771Apr 25, 2006Paper

Correlates of neurocognitive function of patients after off-pump coronary artery bypass surgery

American Journal of Critical Care : an Official Publication, American Association of Critical-Care Nurses
Sue SendelbachKay Savik

Abstract

Decreases in neurocognitive function have been reported in patients who have undergone off-pump coronary artery bypass surgery; however, few investigators have examined the correlates of the decreases. To explore and determine the correlates of neurocognitive function at the time of discharge from the hospital in patients undergoing off-pump coronary artery bypass surgery. Patients undergoing off-pump coronary artery bypass surgery at Abbott Northwestern Hospital, Minneapolis, Minn, were administered tests of neuro-cognition (cognition and motor function), anxiety, depression, and quality of life preoperatively (within 72 hours of surgery) and postoperatively (at least 72 hours after surgery but before discharge from the hospital). A total of 54 patients (79.6% men), mean age 64.5 years, completed tests both preoperatively and postoperatively. When baseline function was controlled for, increased age and new-onset atrial fibrillation (F(3,40)=42.97; P<.001) were associated with decreases in postoperative cognitive function; increased age and anxiety (F(3,35)=15.83; P<.001) were associated with decreases in postoperative motor function. Older patients, anxious patients, and patients with new-onset atrial fibrillation are at risk ...Continue Reading

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