<unk> , or ventricular reduction, is a type of operation in cardiac surgery to reduce enlargement of the heart from cardiomyopathy or ischemic aneurysm formation. In these procedures, part of the ventricular wall is resected.A Batista procedure is a partial left<unk>  that is used to treat advanced heart failure. This procedure is not widely used because outcomes are often unsatisfactory.
Ventriculectomy
Pulmonary tractotomy
Corticotomy
Atriocaval shunt
Portacaval shunt
Heart–lung transplant
Pericardiectomy
Arterial switch operation