Impact of new-onset diabetes mellitus and glycemic control on the prognosis of heart failure patients: a propensity-matched study in the community.

Objectives: To assess the incidence of type 2 diabetes mellitus (DM) in patients with heart failure (HF), and to evaluate the effect of new-onset DM and glycemic control on the prognosis of HF patients treated with a contemporary medical regimen.

Methods: Prospective study of 5314 HF patients and previously unknown DM during 9 years. Their mean age was 71.

Metformin therapy and prognosis of patients with heart failure and new-onset diabetes mellitus. A propensity-matched study in the community.

Objective: To assess the effect of the commencement of metformin therapy (CMet) on the prognosis of patients with newly diagnosed heart failure (HF) and new-onset diabetes mellitus (DM) treated with a contemporary medical regimen.

Methods: Prospective study of 1519 HF patients with DM during 9 years. Mean age was 71.