Air pollution and cardiovascular events with special reference to labor and delivery

Dr. Ha et al. [1] investigated the odds of having a labor/delivery with cardiovascular event with special reference to acute exposure to common air pollutants. The authors adopted conditional logistic regression models for the analysis. The odds ratios (95% confidence intervals) of an interquartile increase in particulate matter (PM) ≤2.5 microns and nitric oxide exposures during the week before delivery for cardiovascular events were 1.11 (1.01-1.23) and 1.21 (1.04-1.42), respectively. In contrast, inverse significant associations were observed for Ozone and some PM constituents as well as air toxics.

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