期刊
MOVEMENT DISORDERS
卷 31, 期 8, 页码 1243-1247出版社
WILEY-BLACKWELL
DOI: 10.1002/mds.26670
关键词
Parkinson's disease; appendectomy; etiology
资金
- Physician Services Incorporated
- Career Investigator Award from the Heart and Stroke Foundation (Ontario office)
IntroductionPathogenic movement of alpha-synuclein from the gut to the brain in PD has been proposed. The appendix has a relatively high density of alpha-synuclein deposition in neurologically healthy individuals. We investigated the incidence of PD after appendectomy. MethodsUsing cause-specific hazards regression models, we compared persons over 35 years of age who had undergone appendectomy with two groups of age- and sex-matched individuals having had: (1) a cholecystectomy and (2) neither procedure. Subsequent diagnoses of PD were identified. ResultsAmong 42,999 individuals undergoing appendectomy, no difference in risk of PD was identified compared to cholecystectomy (hazard ratio=1.004; 95% confidence interval: 0.740-1.364). Compared with no procedure, individuals with appendectomy had a higher incidence of PD within 5 years, but no significant difference in risk thereafter. ConclusionIn our study, appendectomy in mid or late life does not appear to be associated with a reduced risk of PD. (c) 2016 International Parkinson and Movement Disorder Society
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