Rice University team links PM2.5 and ozone levels with cardiac arrest
Rice University team links PM2.5 and ozone levels with cardiac arrest 17 February 2013 A team from Rice University and the Houston Fire Department EMS has found a direct correlation between out-of-hospital cardiac arrests (OHCA) and levels of air pollution and ozone. The research, based on a massive data set unique to Houston, was published this month in the American Heart Association journal Circulation . Given that the American Lung Association has ranked Houston eighth in the United States for high-ozone days, Rice statisticians Katherine Ensor and Loren Raun, and David Persse, Houston Fire Department EMS physician director, set out to see if there is a link between ambient ozone levels and cardiac arrest. Ensor is a professor and chair of Rice’s Department of Statistics, and Raun is a research professor in Rice’s Department of Statistics. The authors analyzed eight yea...