Post-transplant diabetes mellitus following heart transplantation.

Post-transplant diabetes mellitus (PTDM) is common following heart transplant, impacting greater than 20% of patients with most cases occurring in the first year after transplant. PTDM is associated with multiple negative sequelae including increased post-operative infections, a higher rate of renal failure, and increased mortality. Compared with pre-transplant diabetes mellitus, PTDM has several unique risk factors and immunosuppressive medications play an important role in disease pathophysiology. Newer treatments for hyperglycemia, including glucagon like peptide-1 receptor agonists and sodium glucose cotransporter-2 inhibitors, may counter the mechanisms of immunosuppression-related hyperglycemia making them an appealing treatment option for patients with PTDM. Here, we review the definitions, incidence, risk factors, pathophysiology, clinical outcomes, treatment options, pharmacologic considerations, and future directions in PTDM.

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