4, 95% CI = 1.9 to 10.3, p = 0.001) and concomitantly take enzyme inducing antiepileptic drugs (EIAED, HR = 8.1, 95% CI = 2.7 to 24.1, p  less then  0.001). CONCLUSION Atrial fibrillation patients with underlying malignancy or concurrently use of EIAED may have increased risk of treatment failure in secondary stroke prevention. V.BACKGROUND…[Read more]