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Stroke risk boosted by adult congenital heart disease


 

FROM CIRCULATION

References

Adult congenital heart disease significantly increases the risk of both hemorrhagic and ischemic stroke, particularly in individuals under 55 years of age, new data suggests.

A retrospective study of 29,638 adults aged 18-64 years with adult congenital heart disease (ACHD) showed that women aged 15-54 years with the disease were more than 12 times as likely to experience an ischemic stroke compared to the general population, while men had a nine-fold increase in risk.

Women aged over 55 years with ACHD had a four-fold higher risk of ischemic stroke, and men had a two-fold increase in risk, compared to the general population, according to a study published Nov. 23 in Circulation.

In the case of hemorrhagic stroke, women aged under 55 had a five-fold greater risk and men had a more than six-fold greater risk of ischemic stroke, while the risk for those older than 55 years was 2-3 times higher (Circulation 2015, November 23 [doi: 10.1161/CIRCULATIONAHA.115.011241]).

The risk of ischemic stroke increased significantly with heart failure, diabetes, or a recent myocardial infarction, and overall, 8.9% of men and 6.8% of women with ACHD who reached the age of 18 years had at least one stroke before age 65.

“Whether subgroups of patients with heart failure and sinus rhythm could benefit from an antithrombotic treatment is a matter of ongoing research in the general population and based on our findings may warrant further investigation in ACHD-patients,” wrote Dr. Jonas Lanz, from the McGill Adult Unit for Congenital Heart Disease Excellence, and co-authors.

The study was funded by the Heart and Stroke Foundation of Québec, the Fonds de Recherche en Santé Québec and the Canadian Institute of Health Research. There were no conflicts of interest declared.

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