title: Aortic and mitral balloon valvuloplasty: emergence of a new percutaneous technique.
mesh_terms: D000368:Aged; D001022:Aortic Valve Insufficiency / Q000209:etiology; D001024:Aortic Valve Stenosis / Q000628:therapy*; D002404:Catheterization / Q000009:adverse effects / Q000379:methods*; D005069:Evaluation Studies as Topic; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000209:etiology; D008946:Mitral Valve Stenosis / Q000628:therapy*