Comorbidity in heart failure. Results of the Spanish RICA Registry.

Background: We sought to identify the comorbidities associated with heart failure (HF) in a non-selected cohort of patients, and its influence on mortality and rehospitalization.

Design And Methods: Data were obtained from the 'Registro de Insuficiencia Cardiaca' (RICA) of the Spanish Society of Internal Medicine. The registry includes patients prospectively admitted in Internal Medicine units for acute HF.