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Dipyridamole thallium 201 myocardial perfusion imaging in the detection and localization of coronary stenosis compared to exercise thallium 201 myocardial perfusion imaging



Dipyridamole thallium 201 myocardial perfusion imaging in the detection and localization of coronary stenosis compared to exercise thallium 201 myocardial perfusion imaging



Zeitschrift fuer Kardiologie 76(12): 737-743



Two scintigraphic methods, resting dipyridamole and exercise thallium-201 myocardial perfusion imaging, to detect and localize coronary artery stenosis were compared in 32 patients suffering from coronary artery disease. The sensitivity of detecting a > 50% coronary stenosis was 94% for exercise thallium-201 perfusion imaging and 88% for dipyridamole thallium-201 perfusion imaging. The overall sensitivity and specificity of localizing a > 50% coronary stenosis by the two methods were also not significantly different. The results of the two scintigraphic methods were independent of the severity of coronary artery disease. Dipyridamole thallium-201 myocardial perfusion imaging provides a useful and safe alternative test for detecting and localizing coronary artery stenosis in patients unable to perform maximal exercise.

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Accession: 005164193

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