Mechanical assist of the failing heart.
D000368:Aged; D001243:Assisted Circulation / Q000379:methods; D003327:Coronary Disease / Q000601:surgery; D005260:Female; D006331:Heart Diseases / Q000601:surgery*; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000295:instrumentation / Q000379:methods / Q000401:mortality; D008875:Middle Aged; D009203:Myocardial Infarction / Q000601:surgery