ALZHEIMERS-DISEASE AND CUMULATIVE EXPOSURE TO ANESTHESIA - A CASE-CONTROL STUDY

被引:110
作者
BOHNEN, NILJ
WARNER, MA
KOKMEN, E
BEARD, CM
KURLAND, LT
机构
[1] MAYO CLIN & MAYO FDN,DEPT HLTH SCI RES,CLIN EPIDEMIOL SECT,ROCHESTER,MN 55905
[2] MAYO CLIN & MAYO FDN,DEPT ANESTHESIOL,ROCHESTER,MN 55905
关键词
D O I
10.1111/j.1532-5415.1994.tb04952.x
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 100203 ;
摘要
Objective: To evaluate prior exposure to general anesthesia as a potential risk factor for Alzheimer's disease (AD). Design: A retrospective, population-based, case-control study. Setting: The Rochester Epidemiology Resource. Patients: Cases were all incident cases of AD from 1975 to 1984 who resided for 40 years or more in Olmsted County prior to the onset of their dementia (n = 252). One age- and gender-matched control for each case was selected from all registrations for care at Mayo Clinic during the year of onset in the incident case. The case and control groups each had 252 individuals. Of these, 208 cases and 199 controls had at least one exposure to general anesthesia prior to the year of onset of dementia in the matched AD patient. Measurements: Tne cumulative duration of anesthesia and the total number of general anesthetic exposures prior to the age of onset of dementia and the corresponding year in each matched control were ascertained. Results: There was no significant difference in mean cumulative exposure (in minutes) to general anesthesia (patients vs controls: 188.4 vs 170.5 minutes, ns). Neither exposure to six or more episodes of general anesthesia (OR = 1.44; 95% CI: 0.77-2.71) nor cumulative exposure to 600 minutes or more of general anesthesia (OR = 1.63; 95% CI: 0.53-5.04) were associated with a significantly increased risk of AD. Conclusion: It is unlikely that multiple exposures to general anesthesia increase the risk of AD.
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页码:198 / 201
页数:4
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