V Barriales Alvarez, C Morís de la Tassa, I Sánchez Posada, R Barriales Villa, J Rubin López, J M de la Hera Galarza, J Vara Manso, S Hevia Nava, A Cortina Llosa
PURPOSE: To analyze the etiology and the prevalence of risk factors in patients with atrial fibrillation. PATIENTS AND METHODS: Applying an unpaired case controlled study, we examined 300 consecutive patients (143 men) with atrial fibrillation and a mean age of 66 +/- 8 years. This group is compared with a control group of 700 patients (mean age 64 +/- 12 years). RESULTS: In the group with atrial fibrillation the etiology in 32% was arterial hypertension, in 20% coronary heart disease, in 13% valvular heart disease, in 11% heart failure, in 4% hyperthyroidism and in 20% idiopathic...
June 1999: Revista Española de Cardiología