Official Title: Re-Evaluation of the Corvia Atrial Shunt Device in a Precision Medicine Trial to Determine Efficacy in Mildly Reduced or Preserved Ejection Fraction EF Heart Failure Protocol 2201
Detailed Description: Following supine bicycle exercise hemodynamic assessment to verify eligibility patients are sedated then randomized to the treatment or control group Patients in both arms will undergo placement of femoral venous access sheath
Patients randomized to the treatment arm will undergo a fluoroscopically and intra-cardiac echocardiography ICE or transesophageal echocardiography TEE guided trans-septal puncture and Corvia Atrial Shunt implant procedure Patients randomized to the control arm will undergo ICE from the femoral vein or TEE for examination of the atrial septum and left atrium
Patients will be evaluated at pre-specified time intervals and followed for 5 years
All patients will be unblinded after the 24 month follow up visit