Zhonghua nei ke za zhi · 2010
[Age features of pure leukoaraiosis in non-demented outpatients].
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Yu Xue-ying, Wang Gui-hong, Guan Xiao-ting, Liu Yun, Wang Su-xiang, Liu Zhi-zhong, Wang Yong-jun
Аннотация
OBJECTIVE: To investigate the aging features of pure leukoaraiosis (LA) in non-demented outpatients.
METHODS: The outpatients with age older than 40 years, without taking cholesterol lowering and B vitamin medications and with mini-mental state examination more than 24 scores were selected from July 2008 to December. 2009 in Beijing Tiantan Hospital. LA was defined with MRI. Patients were classified into two groups i.e. LA group consisting of 138 patients with leukoaraiosis but without lacunar lesions and cortical infarcts and a control group consisting of 124 patients without any lesion in brain. Age and other vascular risk factors were also investigated.
RESULTS: Age of the patients in the LA group was significantly higher than that in the control group (P<0.001). Multivariable logistic regression analysis showed that age was independently associated with pure LA (OR 1.080, 95%CI 1.042-1.120), after adjusting sex, vascular risk factors and presence of atherosclerosis in cervical arteries. If age-stratification was further considered, logistic regression analysis showed that OR (95%CI) for LA was 2.693 (95%CI 1.103-6.575) in a 60-69 year group and 13.527 (95%CI 3.319-55.131) in a ≥70 year group as compared with a 40-49 year group.
CONCLUSION: Age is a determining risk factor for pure LA and patients with age older than 60 years are at high risk of LA.
METHODS: The outpatients with age older than 40 years, without taking cholesterol lowering and B vitamin medications and with mini-mental state examination more than 24 scores were selected from July 2008 to December. 2009 in Beijing Tiantan Hospital. LA was defined with MRI. Patients were classified into two groups i.e. LA group consisting of 138 patients with leukoaraiosis but without lacunar lesions and cortical infarcts and a control group consisting of 124 patients without any lesion in brain. Age and other vascular risk factors were also investigated.
RESULTS: Age of the patients in the LA group was significantly higher than that in the control group (P<0.001). Multivariable logistic regression analysis showed that age was independently associated with pure LA (OR 1.080, 95%CI 1.042-1.120), after adjusting sex, vascular risk factors and presence of atherosclerosis in cervical arteries. If age-stratification was further considered, logistic regression analysis showed that OR (95%CI) for LA was 2.693 (95%CI 1.103-6.575) in a 60-69 year group and 13.527 (95%CI 3.319-55.131) in a ≥70 year group as compared with a 40-49 year group.
CONCLUSION: Age is a determining risk factor for pure LA and patients with age older than 60 years are at high risk of LA.