ACC/AHA guidelines for the management of patients with unstable angina and non-ST-segment elevation myocardial infarction: Executive summary and recommendations: A report of the American College of Cardiology/American Heart Association task force on practice guidelines (committee on the management of patients with unstable angina)

摘要: The American College of Cardiology (ACC)/American Heart Association (AHA) Task Force on Practice Guidelines was formed to make recommendations regarding the diagnosis and treatment patients with known or suspected cardiovascular disease. Coronary artery disease (CAD) is leading cause death in United States. Unstable angina (UA) closely related condition non–ST-segment elevation myocardial infarction (NSTEMI) are very common manifestations this These life-threatening disorders a major emergency medical care hospitalizations In 1996, National Center for Health Statistics reported 1 433 000 UA NSTEMI. recognition importance management entity rapid advances condition, need revise guidelines published by Agency Care Policy Research (AHCPR) Heart, Lung Blood Institute 1994 evident. This therefore current committee develop present supersede guidelines. The customary ACC/AHA classifications I, II, III summarize both evidence expert opinion provide final patient evaluation therapy: Class I: Conditions which there and/or general agreement that given procedure useful effective . Class II: conflicting divergence about usefulness/efficacy treatment. Class IIa: Weight evidence/opinion favor usefulness/efficacy. IIb: Usefulness/efficacy less well established evidence/opinion. III: procedure/treatment not useful/effective some cases may be harmful. The weight ranked highest (A) if data …