DIPYRIDAMOLE THALLIUM-201 MYOCARDIAL PERFUSION SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY IN CORONARY ARTERY DISEASE

Authors

  • Vacharin RATANAMART Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Pawana PUSUWAN Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Jiraporn MANGKHARAK Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Damras TRISUKOSOL Faculty of Medicine Siriraj Hospital, Mahidol Universty
  • Sunanta CHIEWVIT Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Pachee CHAUDAKSHETRIN Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Puangrat BURANAPONG Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Nucharee PUTRASRENI Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Rujaporn CHANACHAI Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Suthee NA SONGKHLA Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University
  • Supachai CHAITHIRAPHAN Faculty of Medicine Siriraj Hospital, Mahidol Universty
  • Rudee PLEEHACHINDA Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University

Abstract

We performed dipyridamole Tl-201 myocardial perfusion tomographic studies imaging in 38 patients with suspected or known coronary artery disease to determine the sensitivity, specificity, and accuracy of the procedure in the detection of coronary artery disease and in localization of individual stenosed vessel. The overall sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of the test were 96.8%, 42.9%, 86.8%, 88.2%, and 75.0%, respectively. And those for the detection of stenosed vessels were 75.8%, 46.4%, 66.7%, 75:8%, and 43.3%, respectively. The sensitivity in the detection of individual stenosed vessel was significantly higher in vessels with severe than with moderate stenosis (54.5% vs. 87.5%). Fixed defects usually indicate very severe and complete occlusion of coronary arteries. Reversible defects generally indicate significant but nonocclusive coronary artery stenosis. We conclude that dipyridamole thallium-201 myocardial perfusion tomography is a useful noninvasive test for coronary artery disease.

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Published

2023-04-06

How to Cite

1.
RATANAMART V, PUSUWAN P, MANGKHARAK J, TRISUKOSOL D, CHIEWVIT S, CHAUDAKSHETRIN P, et al. DIPYRIDAMOLE THALLIUM-201 MYOCARDIAL PERFUSION SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY IN CORONARY ARTERY DISEASE. ASEAN J Radiol [Internet]. 2023 Apr. 6 [cited 2024 Dec. 12];3(1):75-86. Available from: https://asean-journal-radiology.org/index.php/ajr/article/view/366

Issue

Vol. 3 No. 1 (1997): January-April

Section

Original Article

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