期刊
JOURNAL OF HYPERTENSION
卷 20, 期 7, 页码 1303-1306出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00004872-200207000-00016
关键词
hypertension; migraine; headache
Background The notion that hypertension causes headache is widely accepted despite the absence of confirmation by well-designed studies. Objective To investigate the association between headache, characterized as tension type and migraine like, with blood pressure and hypertension. Methods In a cross-sectional study we evaluate this association in a sample of 1174 individuals older than 17 years, representative of inhabitants of Porto Alegre, RS, Brazil. Headache and its subtypes were defined according to International Headache Society criteria. Hypertension was defined as the mean of two blood pressure readings greater than or equal to140/90 mmHg or use of antihypertensive drugs. Results Headache in lifetime, in the last year, and defined as episodic and chronic tension-type headache was not associated with hypertension. Individuals with optimal or normal blood pressure (Sixth Joint National Committee criteria) complained of migraine more frequently than the participants with high-normal blood pressure or hypertension. This association persisted after adjustment for several potential confounding factors (risk ratio, 0.56; confidence interval, 0.41-0.77). Conclusion Our findings confirm that high blood pressure is not associated with the complaint of headache in the population. Individuals with migraine-like episodes of headache may have lower blood pressure than individuals without headache. (C) 2002 Lippincott Williams Wilkins.
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