The Batista procedure (also called a reduction left ventriculoplasty) was an experimental heart procedure that proposed the reversal of the effects of remodeling in cases of end-stage dilated cardiomyopathy refractory to conventional medical therapy.
In spite of promising initial results, the method was soon found to be of little if any benefit, and it is no longer considered a recommended treatment for the disease.
Chagas disease represents a parasitic nonischemic cardiomyopathy targeting parasympathetic inflow to the heart.
Chagas cardiomyopathy thus represents a unique method of study of diastolic heart failure.
[2] Most hospitals in the US have abandoned this operation and it is no longer included in heart failure guidelines.