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目的研究脑卒中高发区人群中老年期痴呆的流行情况。方法于2000年7月1日～2001年6月31日在长沙市城区居民中进行老年期痴呆的调查研究。结果长沙市城区居民老年期痴呆的患病率为2.88%,其中Alzheimer病(AD)、血管性痴呆(vasculardementia,VD)和混合性痴呆分别为1.51%、0.89%和0.48%。痴呆患者中患高血压病和有脑卒中史的比例明显高于所有调查人群的平均水平(P<0.01)。结论老年期痴呆是影响老人身心健康的重要因素,预防脑卒中对降低其患病率应产生积极影响。
Objective To study the prevalence of dementia in the elderly population with high incidence of stroke. Methods From July 1, 2000 to June 31, 2001, a survey was conducted on elderly dementia among urban residents in Changsha City. Results The prevalence of senile dementia in urban residents in Changsha was 2.88%. Alzheimer disease (AD), vascular dementia (VD) and mixed dementia were 1.51%, 0.89% and 0.48% respectively. The proportion of patients with dementia who had hypertension and had a history of stroke was significantly higher than the average of all surveyed patients (P <0.01). Conclusion Senile dementia is an important factor affecting the physical and mental health of the elderly, and prevention of stroke should have a positive impact on reducing its prevalence.