Mechanical Circulatory Support for Patients With Adult Congenital Heart Disease

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Advances in surgical and medical care of children born with heart defects have led to the emergence of a unique subgroup of young adults known as adults with congenital heart disease (ACHD). Heart failure (HF) is the leading cause of mortality and morbidity in this subset. Management of HF is challenging in these patients owing to inherent structural variations with their associated physiological consequences. Heart transplantation is of limited utility in this group either because of donor shortage or associated comorbidities that make these patients ineligible for transplantation. Mechanical circulatory support (MCS) devices have evolved as an alternative treatment modality in supporting the failing myocardium of this population, but are often used less frequently than in those with a structurally normal heart because of the unique anatomical and physiological variations. These variations create a need to gather adequate knowledge on how best to support the hearts of ACHD patients in order to reduce mortality and morbidity. This review presents clinical experience with MCS in ACHD patients.