Stroke. 2001;32:2874-2881
doi: 10.1161/hs1201.099803
doi: 10.1161/hs1201.099803
(Stroke. 2001;32:2874.)
© 2001 American Heart Association, Inc.
Original Contributions |
Report of the Substudy Assessing the Impact of Neurocognitive Function on Quality of Life 5 Years After Cardiac Surgery
From the Department of Anesthesiology (M.F.N., H.P.G., J.P.M., W.D.W., J.G.R.), Department of Surgery (K.L.), Department of Medicine, Division of Neurology (D.T.L.), Department of Medicine, Division of Cardiology (D.B.M.), and Department of Psychiatry and Behavioral Sciences (J.A.B.), Duke University Medical Center, Durham, NC.
Reprint requests to Mark F. Newman, MD, Department of Anesthesiology, Box 3094, DUMC, Duke University Medical Center, Durham NC 27710. E-mail newma005{at}mc.duke.edu
Background and Purpose— The importance of perioperative cognitive decline has long been debated. We recently demonstrated a significant correlation between perioperative cognitive decline and long-term cognitive dysfunction. Despite this association, some still question the importance of these changes in cognitive function to the quality of life of patients and their families. The purpose of our investigation was to determine the association between cognitive dysfunction and long-term quality of life after cardiac surgery.
Methods— After institutional review board approval and patient informed consent, 261 patients undergoing cardiac surgery with cardiopulmonary bypass were enrolled and followed for 5 years. Cognitive function was measured with a battery of tests at baseline, discharge, and 6 weeks and 5 years postoperatively. Quality of life was assessed with well-validated, standardized assessments at the 5-year end point.
Results— Our results demonstrate significant correlations between cognitive function and quality of life in patients after cardiac surgery. Lower 5-year overall cognitive function scores were associated with lower general health and a less productive working status. Multivariable logistic and linear regression controlling for age, sex, education, and diabetes confirmed this strong association in the majority of areas of quality of life.
Conclusions— Five years after cardiac surgery, there is a strong relationship between neurocognitive functioning and quality of life. This has important social and financial implications for preoperative evaluation and postoperative care of patients undergoing cardiac surgery.
Editorial Comment
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