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USE OF ANTITHROMBOTIC DRUGS IN THE PATIENT HYPERTENSIVE OLDER THAN 65 YEARS WITH ATRIAL FIBRILLATION. THE FAPRES STUDY: PP.1.36

Objetive: Age and hypertension are two major factors associated with atrial fibrillation and high risk of embolism. This study was designed to assess the use of antithrombotic drugs in hypertensive patients ≥65 years with atrial fibrillation. Design and Methods: Every researcher included the first three hypertensive patients ≥65 years who went to medical office the first day of the week, during 5 weeks. Risk factors, cardiovascular history of patients, CHADS2 score and medical treatment were collected and electrocardiogram was performed for central analysis. Atrial fibrillation was considered in its presence on the electrocardiogram and / or documented antecedent. Results: We included 1028 hypertensive patients with a mean age of 72.8 years. In total 10.3% of patients had atrial fibrillation (6.7% on the electrocardiogram and 3.6% were in sinus rhythm but with previous history). Factors associated with atrial fibrillation were age, alcohol intake, structural heart disease and glomerular filtration rate. In total 76.2% patients who had atrial fibrillation in the electrocardiogram and CHADS2 >1 received anticoagulant therapy, and decreased to 41.7% in patients in sinus rhythm but with a prior history. Conclusions: The use of antithrombotic drugs is high in hypertensive patients with atrial fibrillation currently known, but is reduced in patients with prior episode.