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Knowledge and Experience With Alzheimer's DiseaseRelationship to Resuscitation Preference
Charles H. Griffith III, MD;
John F. Wilson, PhD;
Kim R. Emmett, MD;
Mary Ramsbottom-Lucier, MD;
Eugene C. Rich, MD
Arch Fam Med. 1995;4(9):780-784.
Abstract
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Background
Previous studies suggest that 20% to 67% of patients would desire cardiopulmonary resuscitation (CPR) even if they had advanced Alzheimer's disease. These preferences were not affected by education about CPR. We hypothesized that CPR preferences in scenarios involving Alzheimer's disease are influenced more by knowledge of or experience with Alzheimer's disease than by knowledge of CPR and its outcomes.
Methods
We performed a random digit—dialing telephone survey of adult Kentuckians in June 1993. A total of 661 persons responded. We asked respondents whether they have had a friend or family member with Alzheimer's disease and whether they had cared for that person at home. We then assessed basic knowledge of Alzheimer's disease and CPR. We read to one half of respondents an educational paragraph describing CPR and its outcomes. Finally, we asked respondents their CPR preference if they were to develop Alzheimer's disease.
Results
Overall, 22% of respondents would probably or definitely want CPR if they had Alzheimer's disease. With the use of simultaneous multiple linear regression, predictors of refusing CPR in scenarios involving Alzheimer's disease included knowledge of or experience with Alzheimer's disease (P<.001), older age (P<.001), greater income (P<.004), female sex (P<.01), and nonwhite race (P<.04). Baseline knowledge of CPR did not affect CPR preferences, nor did being read the educational paragraph.
Conclusions
Cardiopulmonary resuscitation preferences in scenarios involving Alzheimer's disease are strongly associated with knowledge of or experience with Alzheimer's disease more so than with knowledge of CPR. These findings suggest that in eliciting patients' CPR preferences in an advanced directive, care must be taken that patients understand the condition presented in the scenario (eg, Alzheimer's disease).
Author Affiliations
From the Division of General Internal Medicine and Geriatrics, Departments of Internal Medicine (Drs Griffith, Emmett, Ramsbottom-Lucier, and Rich) and Behavioral Science (Dr Wilson), University of Kentucky, Lexington.
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