Association of short-term exposure to sulfur dioxide and hospitalization for ischemic and hemorrhagic stroke in Guangzhou, China
BMC Public Health Mar 01, 2020
Shen S, Li X, Yuan C, et al. - Researchers investigated the link between short-term sulfur dioxide (SO2) exposure and the total number of hospital admissions for ischemic and hemorrhagic stroke in Guangzhou, China. They also assessed the impact of ambient SO2 by age (< 65 years and ≥ 65 years). Over the study span, they recorded a 24-h mean concentration of ambient SO2 of 27.82 μg/m3, 58,473 ischemic stroke and 9,167 hemorrhagic stroke hospital admissions. They noted that the link between SO2 and ischemic stroke hospitalization was robust to two pollutant model, but it’s partially weakened for hemorrhagic stroke following adjustment for co-pollutants. Overall, it was concluded that significantly increased risks of hospitalization for ischemic stroke may be observed in correlation with short-term exposure to ambient SO2. These observations may afford a better insight into the health effects of low-levels of SO2.
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