Stroke Recurrence Decreased Among Mexican-Americans

rom 2000 to 2013, there was a decrease in stroke recurrence among Mexican-Americans, with no change in one-year mortality, according to a study published online July 16 in Stroke.

Cemal B. Sozener, M.D., from the University of Michigan Medical School in Ann Arbor, and colleagues prospectively ascertained recurrent stroke in a population-based study conducted between 2000 and 2013 in Texas. To determine one- and two-year recurrence, 3,571 incident stroke cases from Jan. 1, 2000, through Dec. 31, 2013, were followed forward.

The researchers found that from 2000 to 2013, the cumulative incidence of one-year recurrence decreased in Mexican-Americans from 9.26 to 3.24 percent. There was a decrease in the cumulative incidence of one-year recurrence among non-Hispanic whites, from 5.67 to 3.59 percent. In 2000, there was a significant ethnic disparity in stroke recurrence (risk difference, 3.59 percent), which was no longer evident in 2013 (risk difference, −0.17 percent). Over time, the competing one-year mortality risk was stable among Mexican-Americans but decreased for non-Hispanic whites (difference between 2000 and 2013, −4.67 percent).

“Further research to understand the reasons for this welcome change are needed, and preventive efforts should continue to reduce stroke related death and disability,” the authors write.

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