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KMID : 1100220040030020124
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Dementia and Neurocognitive Disorders
2004 Volume.3 No. 2 p.124 ~ p.130
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Prevalence and Clinical Correlates of Poststroke Dementia as Defined by an Informant Interview Method in a Hospital-Based Stroke Cohort
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Bae Hee-Joon
Lee Kun-Sei
Kim Hyeong-Su
Kim Byung-Kun
Koo Ja-Seong
Kwon O-Hyun
Park Jong-Moo
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Abstract
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Background and Objectives: With increasing age of population, stroke and dementia become greater health problems in Korea. However, there have been no studies on poststroke dementia in Korea. We intended to elucidate the frequency and clinical correlates of poststroke dementia in a hospital-based cohort.
Methods: From July 2001 to July 2002, 372 patients were hospitalized to Eulji General Hospital within 7 days from onset with acute stroke or transient ischemic attack. Two hundred-eight patients (55.9%) were followed up and interviewed more than 1 year later (451±83.3 days). Dementia was diagnosed by Korean Dementia Screening Questionnaire (KDSQ) obtained by a direct interview. Based on Eulji Stroke Registry, demographic factors, risk factors for stroke, stroke characteristics, and stroke outcomes were gathered and examined.
Results: Of 208 patients, poststroke dementia was detected in 36 patients (17.3%, 20 males, age=64.5±9.4 years). Poststroke dementia was associated with history of stroke, aphasia, modified Rankin Disability Scale (MRDS) at 3 month after stroke and when interviewed, and Barthel index at 6 months after stroke (p<0.05). Its correlation with diabetes mellitus and National Institute of Health Stroke Scale at discharge were marginally significant (0.05
Conclusions: Poststroke dementia is common in Korean stroke patients. Its frequency is comparable to that in other countries. The correlates of poststroke dementia and their clinical meanings are demonstrated.
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KEYWORD
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Dementia, Stroke, Epidemiology, Risk factors
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