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  • Title: Assessment of residual coronary arterial stenosis after thrombolytic therapy during acute myocardial infarction.
    Author: Satler LF, Pallas RS, Bond OB, Green CE, Pearle DL, Schaer GL, Kent KM, Rackley CE.
    Journal: Am J Cardiol; 1987 Jun 01; 59(15):1231-3. PubMed ID: 2954454.
    Abstract:
    Maximal myocardial salvage appears to be related to the severity of residual coronary arterial stenosis after thrombolysis. The degree of residual infarct vessel stenosis was assessed in 119 consecutive patients with patent arteries who received streptokinase during acute myocardial infarction. After administration of streptokinase, 99 of 119 patients (83%) had a residual stenosis 70% or more in diameter. Assuming that a residual diameter stenosis of at least 70% is flow limiting, the feasibility for percutaneous transluminal coronary angioplasty (PTCA) was determined by the following criteria: length less than 10 mm, no significant distal narrowing or left main stenosis, and an adequate-sized distal artery. In 81 of 99 patients (82%), arterial anatomy was suitable for PTCA. Thus, after therapy with streptokinase for acute myocardial infarction, most patients have a significant infarct arterial residual stenosis and are candidates for PTCA.
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