Prehabilitation to Improve Functional and Clinical Outcomes in Patients With Aortic Stenosis

Supervised exercise training intervention will include three sessions per week for four weeks at a Mayo Clinic system cardiac rehabilitation facility. The Rochester, Minnesota Cardiac Rehabilitation Program will provide guidance and oversight. Modes of aerobic exercise will include treadmill walking (the primary mode of training) supplemented with non-weight-bearing activities such as stationary cycling and combination arm/leg recumbent exercise (NuStep device), as needed. Intensity will be set using Borg Perceived Exertion Scale (RPE) ratings of 12-14 (somewhat hard), keeping patients below the threshold for more than mild angina.