Effect of Sacubitril-Valsartan on Cardiac Structure and Function

Inclusion Criteria: * Congenital Heart Disease Diagnosis * Age 18 or Older Exclusion Criteria: * Stage IV chronic kidney disease defined as creatinine clearance \<30 ml/min * Hyperkalemia defined as serum potassium \>5.2 mmol/l, * Hypotension defined as systolic blood pressure \<100 mmHg, * History of angioedema related to previous ACE or ARB therapy * Patients diagnosed with diabetes using Aliskiren, * Pregnancy. * Drug Therapies * Amifostine * Droperidol * Dantrolene * CYP3A4 Inhibitors * Obinutuzumab * Aliskiren * Lithium * Sparsentan * ACE inhibitor * ARB * ARNI