[Risk factors for postoperative atrial fibrillation after coronary artery bypass grafting. A prospective analysis].

Background: Atrial fibrillation (AF) is a relevant complication after coronary artery bypass grafting (CABG). However there is controversy regarding possible contributing factors.

Aim: To study the incidence of AF, its risk factors and its repercussion on hospital stay and charges, in patients undergoing CABG.

[Characteristics of heart failure with preserved ejection fraction: results of the Chilean national registry of heart failure, ICARO].

Background: Heart failure (HF) with preserved ejection fraction (EF) is a condition of growing interest due to its high prevalence and difficult management.

Aim: To evaluate the clinical profile of patients hospitalized with HF and preserved EF in Chilean hospitals.

Material And Methods: Prospective registry of 15 centers.