Many A-Fib Patients Not Getting Appropriate Anticoagulation Rx

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Many A-Fib Patients Not Getting Appropriate Anticoagulation Rx
Many A-Fib Patients Not Getting Appropriate Anticoagulation Rx

TUESDAY, March 14, 2017 (HealthDay News) -- Many patients with atrial fibrillation who experience a stroke may not have been on appropriate anticoagulation therapy, according to a study published in the March 14 issue of the Journal of the American Medical Association.

The latest findings are based on records from 94,474 U.S. patients with ischemic stroke and a history of atrial fibrillation. The team led by Ying Xian, M.D., Ph.D., an assistant professor of neurology at the Duke University School of Medicine in Durham, N.C., found that some of the patients were at heightened risk of internal bleeding or falling. But for two-thirds, Xian told HealthDay, there was no documented reason they should avoid the medications. All of the patients were diagnosed with a stroke at some point between 2012 and 2015.

Overall, Xian's team found, 83.6 percent had not been getting adequate anticoagulation before their stroke. That was despite the fact that almost all of the patients would have been considered high-risk for a stroke. Some patients were not on an anticoagulant at all, while others were on a subtherapeutic warfarin dose or antiplatelet therapy only.

"Among patients with atrial fibrillation who had experienced an acute ischemic stroke, inadequate therapeutic anticoagulation preceding the stroke was prevalent," the authors write. "Therapeutic anticoagulation was associated with lower odds of moderate or severe stroke and lower odds of in-hospital mortality."

Several authors disclosed financial ties to the pharmaceutical industry.

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