title: Intra-aortic balloon pump trials: questions, answers, and unresolved issues.
authors.affiliation: Cardiovascular Division, St Thomas' Hospital, King's College London, London, United Kingdom. Divaka.Perera@kcl.ac.uk
authors.forename: Divaka
authors.initials: D
authors.lastname: Perera
authors.forename: Matthew
authors.initials: M
authors.lastname: Lumley
authors.forename: Nico
authors.initials: N
authors.lastname: Pijls
authors.forename: Manesh R
authors.initials: MR
authors.lastname: Patel
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods; D004867:Equipment Design; D019317:Evidence-Based Medicine; D006353:Heart-Assist Devices; D006439:Hemodynamics; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000009:adverse effects / Q000295:instrumentation / Q000401:mortality; D018579:Patient Selection; D012107:Research Design; D018570:Risk Assessment; D012307:Risk Factors; D012770:Shock, Cardiogenic / Q000401:mortality / Q000503:physiopathology / Q000628:therapy*; D013997:Time Factors; D016896:Treatment Outcome; D016276:Ventricular Function
keywords: acute myocardial infarction; counterpulsation; high-risk percutaneous coronary intervention; intra-aortic balloon pump; left ventricular assist devices; mortality; shock, cardiogenic