title: Non-surgical valve replacement may be better than standard therapy.  Patients too sick for surgery can benefit from a catheter-based procedure.
mesh_terms: D001024:Aortic Valve Stenosis / Q000628:therapy*; D006328:Cardiac Catheterization / Q000379:methods*; D019317:Evidence-Based Medicine; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006351:Heart Valves / Q000601:surgery; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control