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A case-control study of multiple system atrophy in Korean patients

 Joo-Hyun Seo  ;  Seok Woo Yong  ;  Sook K. Song  ;  Ji E. Lee  ;  Young H. Sohn  ;  Phil Hyu Lee 
 MOVEMENT DISORDERS, Vol.25(12) : 1953-1959, 2010 
Journal Title
Issue Date
Age Factors ; Asian Continental Ancestry Group ; Case-Control Studies ; Diet ; Humans ; Multiple System Atrophy/diagnosis ; Multiple System Atrophy/epidemiology* ; Odds Ratio ; Prevalence ; Regression Analysis ; Republic of Korea/epidemiology ; Risk Factors ; Sex Factors ; Smoking ; Surveys and Questionnaires
multiple system atrophy ; risk factors ; epidemiology
A few case-control studies of multiple system atrophy (MSA) have been reported in Western populations. In this study, we included various epidemiological factors to evaluate whether the risk factors for MSA differed in Korean and Western populations. A total of 100 consecutive MSA patients and 104 controls at two referral hospitals participated. Information was obtained through face-to-face interviews using a structured questionnaire: history of living area, occupational history, food habits, alcohol and tobacco consumption, and use of drugs. Odds ratios and 95% confident intervals (OR [95% CI]) were computed using logistic regression. The multivariate logistic regression analysis revealed that use of antihypertensive medication (OR = 0.30 [0.12-0.78]) and vitamins (OR = 0.30 [0.14-0.64]) and consumption of meat and poultry (OR = 0.27 [0.13-0.56]) were associated with decreasing risk for MSA, whereas use of herbal medications (OR = 3.17 [1.28-7.84]) was associated with increasing risk for MSA. In univariate analysis adjusted for age, sex, education level, and recruitment center, use of aspirin (OR = 0.21 [0.07-0.61]) and coffee consumption (OR = 0.44 [0.23-0.84]) were significantly less frequent in MSA patients than in controls, whereas heavy smoking (≥40 pack-years) was significantly more prevalent in MSA patients than in controls (OR = 3.44 [1.05-11.23]). There was no difference in living area, participation in farming, or exposure to agrichemicals and solvents between groups. This study showed that MSA in Korea is characterized by risk factors that are both similar to and different from those affecting Western populations and that herbal medicines constitute a new MSA risk factor for the Korean population
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1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
Yonsei Authors
Sohn, Young Ho(손영호) ORCID logo https://orcid.org/0000-0001-6533-2610
Song, Sook Keun(송숙근)
Lee, Ji Eun(이지은)
Lee, Phil Hyu(이필휴) ORCID logo https://orcid.org/0000-0001-9931-8462
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