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- W1966014018 abstract "Background:It is clinically important to evaluate myocardial viability after acute myocardial infarction. There are several methods like dobutamine stress echocardiography(DSE) and thallium scan to identify viable myocardium. Thallium SPECT assesses cellular integrity, and dobutamine stress echocardiography assesses the contractile reserve of myocardium. Method:Between March and August 1995, 30 consecutive patients(27 men and 3 women; mean age 52±12 years) within 3 weeks after acute myocardial infarction were admitted to Asan Medical Center. Each underwent two-dimensional echocardiography before and during dobutamine infusion 8.6±6.5 days after acute myocardial infarction and thallium scan with rest-redistribution or stressredistribution-reinjection protocol 8.1±6.4 days after acute myocardial infarction. Myocardial viability was considered if there were improvements in regional wall motion during dobutamine infusion(5, 10μg/kg/min for 5min and 20, 30μg/kg/min for 3min). With thallium SPECT, myocardial viability was considered if regional wall motion was normal, if perfusion defects were either completely or partial mildly reversible,or if myocardial perfusion decreasedly or moderately and if irreversible perfusion was defected. Follow-up echocardiography was performed 3±1 months after acute myocardial infarction. Recovery of regional function was identified when follow-up echocardiography showed improvement of wall motion. We evaluated the accuracy of dobutamine stress echocardiography and thallium scan by concordant interpretation in acute and follow-up studies. Results:Among the enrolled 30 patients, 27 patients had Q-wave MI. Thrombolysis was performed" @default.
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- W1966014018 date "1998-01-01" @default.
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- W1966014018 title "Comparison of Dobutamine Echocardiography and Thallium Scan in Assessment of Viable Myocardium After Acute Myocardial Infarction" @default.
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- W1966014018 doi "https://doi.org/10.4070/kcj.1998.28.2.215" @default.
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