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Rehabilitation Practice and Science

Translated Title

梗塞性腦中風發病時間之探討

Abstract

511 patients who were admitted to NTUH between January 1981 and June 1988 with nonprogressive cerebral infarction were studied retrospectively. They had a known time of onset, the type of activity performed, the age group, sex and anatomical location from the computed tomography.302(59.ll%)patients suffesed cesebral infarction between 6 am and 6 pm.Only 209(40.89%) patients had their infarct between 6 pm and 6 am. Besides, most of the patients were performed their daily usual activity at the time of onset of the disease. The number of male patient who surferred from cerebral infarction was slightly higher than the number of the female patients. The ratio was 1.23:1. These was quite a uniformly increasing rate of infarction stroke with increasing age and the age period when cerebral infarction most commonly occur was over 66 year of age, 46.3%. The anatomical location reviewed from the computed tomography showed that the territory of the middle cerebral artery was the one most usually involved, 46.18%. The embolic type of infarction was also mostly happened in the MCA territory and only 21 patients had a watershed or borderzone infarction and these also occurred mostly during the day time. Our results clearly indicate that infarction stroke occurs mostly between 6 am and 6 pm and not at night. It is not purely a 'nocturnal illness which is contrary to traditional ideas reflected in many textbook. Hence the atherothrombotic brain infarction should probably include factors such as viscosity and platelet aggregation rather than a hypotensive episodes or hemodynamic factors.

Language

Traditional Chinese

First Page

21

Last Page

24

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