Samenvatting

Background The present study sought to evaluate the incidence of cerebrovascular events in a large cohort of patients with Brugada syndrome (BrS) analysing possible predictors, clinical characteristics and prognosis of cardioembolic events secondary to atrial fibrillation. Methods A total of 671 consecutive patients (age 42.1 ± 17.0 years; men 63%) with a diagnosis of BrS were retrospectively analysed over a mean follow-up period of 10.8 ± 5.5 years. The diagnosis of ischemic stroke was made according to the AHA/ASA guidelines using computed tomography (CT) and angio-CT in the emergency department. Results Among 671 patients with BrS, 79 (11.8%) had atrial fibrillation. The incidence of cardioembolic stroke in patients with BrS and atrial fibrillation was 13.9% (11 events). These patients had a low CHA 2DS 2Vasc score (82%, 0 and 1). Patients with transient ischemic attack/ stroke were more frequently asymptomatic (91 vs. 25%; P < 0.0001) and older (59.4 ± 11.2 vs. 43.9 ± 16.7; P U 0.004) as compared with those without cerebrovascular events. Conclusion The incidence of cardioembolic stroke in patients with BrS and atrial fibrillation was unexpectedly high. The cerebrovascular accidents were often the presenting clinical manifestation and were significantly associated with asymptomatic atrial fibrillation and older age. CHADS 2 and CHA 2DS 2Vasc scores did not predict the unexpectedly high risk of thromboembolic events in this group of patients. The use of more invasive diagnostic tools might be useful in order to increase the rate of atrial fibrillation detection.

Originele taal-2English
Pagina's (van-tot)59-65
Aantal pagina's7
TijdschriftJournal of Cardiovascular Medicine
Volume20
Nummer van het tijdschrift2
DOI's
StatusPublished - feb 2019

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