Left ventricular assist device may improve glycemic control in diabetes mellitus patients but the reverse is not true

Diabetes mellitus (DM) is common in patients with heart failure (HF). DM is a well-established cardiovascular disease risk factor and a highly prevalent condition, known to cause poor clinical outcomes. In the US, there are currently 23 million patients diagnosed with this disease (1), and 451 million (age, 18–99 years) people with diabetes worldwide (2).This condition has long been established as a cardiovascular disease risk factor, with patients having 4- to 5-fold increased risk of congestive HF (3).