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Angioplasty for acute coronary syndromes.

The acute ischemic syndromes (unstable angina and acute myocardial infarction) are often treated with percutaneous transluminal coronary angioplasty. Angioplasty should be considered in patients with unstable angina refractory to medical therapy and in those with evidence for ischemia after medical stabilization. Direct or primary angioplasty is indicated in patients with acute myocardial infarction with contraindications to thrombolytic therapy and is a reasonable alternative even in those eligible for thrombolytics. While there is no role for immediate angioplasty of a patent infarct-related artery following thrombolysis, rescue angioplasty of persistently occluded arteries may be beneficial, although further studies are needed.