Rapid myocardial perfusion imaging with99Tcm-teboroxime and a three-headed spect system: A comparative study with201T1

M. Sasaki, Y. Ichiya, Y. Kuwabara, M. Otsuka, T. Fukumura, J. I. Ejima, Y. Tsuda, K. Masuda

研究成果: ジャーナルへの寄稿学術誌査読

抄録

99Tcm-teboroxime is a new myocardial perfusion agent with a high first pass extraction and rapid myocardial washout. The usefulness of99Tcm-teboroxime was evaluated for detection of myocardial ischaemia using a three-headed single photon emission tomography (SPECT) system which allows for rapid data acquisition. The subjects consisted of 14 patients, including seven with ischaemic heart disease, four with cardiomyopathy and three others. After the99Tcm-teboroxime injection, dynamic data was collected every minute for 15 min with continuous rotation. High-quality SPECT images could be obtained by reconstructing the serial scans from 2 to 8 min. The sensitivity, specificity and accuracy of the99Tcm-teboroxime study for the detection of the ischaemic region were not significantly different from those of the201T1 study. Myocardial clearance was slow in the ischaemic lesion and in the myocardium of cardiomyopathy patients, while the coronary angiograms did not show any abnormality. These results therefore indicate that the rapid SPECT imaging and myocardial clearance of99Tcm-teboroxime obtained with a three-headed SPECT system were useful for the detection of myocardial ischaemia.

本文言語英語
ページ(範囲)790-794
ページ数5
ジャーナルNuclear medicine communications
13
11
DOI
出版ステータス出版済み - 11月 1992
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 放射線学、核医学およびイメージング

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