Producers Resource Center

Childhood Stroke More Common

Medical experts note that pediatric strokes are rare.  A new estimate puts its incidence at only 2.4 strokes per 100,000 person-years. But the study, reported in the September 17 online issue of Stroke, also cites five previous studies in which the estimated incidence ranged from .54 to 1.2 per 100,000 children per year.

Medical researchers at the Pediatric Stroke and Cerebrovascular Disease Center at the University of California, San Francisco, Children’s Hospital examined data on 2.3 million children up to the age of 19 who were enrolled in the Kaiser Permanente managed-care plan in northern California from 1993 to 2003.

They searched for stroke cases listed by diagnostic code for billing purposes and also for reports indicating strokes in radiological studies, including computed tomography and MRI. The radiology reports yielded a higher incidence of stroke.

The concept that children simply don’t have strokes is widely prevalent, one of the lead researchers noted.

This new comparison of the two methods of identifying a pediatric stroke found that radiological evidence was much more sensitive than the billing code. The radiology method was far more sensitive (83 percent) than the billing code method (39 percent.)

SOURCES: Heather J. Fullerton, M.D., director, Pediatric Stroke and Cerebrovascular Disease Center, University of California, San Francisco, Children’s Hospital; E. Steve Roach, M.D., director, pediatric neurology, Nationwide Children’s Hospital, Columbus, Ohio; Sept. 17, 2009, Stroke, online

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