Abstract
In spring, windblown dust storms originating in the deserts of Mongolia and China make their way to Taipei city. These occurrences are known as Asian dust storm (ADS) events. These ADS events lead to enhanced PM10 levels over those generated by the usual local sources. The objective of this study was to assess the possible associations of PM10 with hospital admissions for congestive heart failure (CHF) in Taipei, Taiwan, during the period from 1996 to 2001. Fifty-four dust storm episodes, which were classified as index days, were identified. Daily CHF admissions on index days were compared with admissions on comparison days. Two comparison days were selected for each index day, 7 d before the index days and 7 d after the index days. The effects of ADS on hospital admissions for CHF were prominent 1 d after the event (relative risk = 1.114; 95% confidence interval = 0.993–1.250). However, the association was not statistically significant. There may not have been enough power to detect associations resulting from the inadequate sample size of CHF admissions on ADS events days. However, it seems worthwhile to pay more attention to the ADS events and health in the future.
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