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- W1979900520 abstract "<h3>Abstract</h3> <b>Objective</b>: To determine the prognostic role of thallium-201 imaging compared with that of exercise electrocardiography in patients with acute myocardial infarction treated by thrombolysis. <b>Design</b>: Patients who remained free of adverse cardiac events six weeks after myocardial infarction had stress and rest <sup>201</sup>Tl imaging and exercise electrocardiography and were followed up for 8–32 months. Adverse cardiac events (death, reinfarction, unstable angina, and congestive heart failure) were documented. <b>Setting</b>: Large district general hospital, Middlesex. <b>Subjects</b>: 100 consecutive male and female patients who were stable six weeks after thrombolysis for myocardial infarction. <b>Main outcome measures</b>: Prediction of occurrence of adverse cardiac events after myocardial infarction by exercise cardiography and <sup>201</sup>Tl myocardial perfusion imaging. <b>Results</b>: Reversible ischaemia on <sup>201</sup>Tl imaging predicted adverse cardiac events in 33 out of 37 patients with such events during follow up (hazard ratio 8.1 (95% confidence interval 2.7 to 23.8), P<0.001). Exercise electrocardiography showed reversible ischaemia in 33 patients, of whom 13 had subsequent events, and failed to predict events in 24 patients (hazard ratio 1.1 (0.56 to 2.2), P = 0.8). <b>Conclusion</b>: <sup>201</sup>Tl imaging is a sensitive predictor of subsequent adverse cardiac events in patients who have received thrombolysis after acute myocardial infarction, whereas exercise electrocardiography fails to predict outcome. <h3>Key messages</h3> Exercise electrocardiography is a poor predictor of such events Presence of reversible ischaemia on <sup>201</sup>Tl imaging identifies 89% of patients who subsequently have such events" @default.
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- W1979900520 date "1996-10-05" @default.
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- W1979900520 title "Value of thallium-201 imaging in detecting adverse cardiac events after myocardial infarction and thrombolysis: a follow up of 100 consecutive patients" @default.
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- W1979900520 doi "https://doi.org/10.1136/bmj.313.7061.844" @default.
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