General Physiology and Biophysics Vol.39, No.6, p.587

General Physiology and Biophysics Vol.39, No.6, p.587–593, 2020

Founded: 1982
ISSN 1338-4325 (online)
ISSN 0231-5882 (print)
Published in English,
6 times per year

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General Physiology and Biophysics Vol.39, No.6, p.587–593, 2020
Title: Evaluation of the optimal administrated activity in gated myocardial perfusion SPECT
Author: N. G. Madian, I. Maamoun, H. Yasin, R. H. El-Gebaly

Abstract: Prominence of radionuclide myocardial perfusion imaging (MPI) using single photon emission computed tomography (SPECT) has been investigated and shown to have high precision and predictive value. Improvement of the quality care for patients could be obtained by decreasing the radiation dose and increasing the image quality. The objective of this work is quantitative evaluation of the injected dose in MPI. 32 patients were categorized into 4 groups; each group received a different radiant dose. Image quality indices (Heart/Background (H/B), Heart/Lung (H/P) and Heart/Liver (H/L)) ratios and cardiac ejection fraction (EF%) were determined. It was observed from the images, that there is no substantial alteration in image quality among the groups. It was concluded that the most optimal dose providing the best image is the lowest one.

Keywords: Myocardial perfusion imaging, Quantitative evaluation, Image quality, Image quality indices
	Published online: 17-Nov-2020
Year: 2020, Volume: 39, Issue: 6	Page From: 587, Page To: 593
doi:10.4149/gpb_2020032
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