Annals of Nuclear Cardiology
Online ISSN : 2424-1741
Print ISSN : 2189-3926
ISSN-L : 2189-3926
Review Articles
Optimal Protocol of Myocardial Perfusion Imaging for Reduction of Radiation Exposure
Yasuyuki SuzukiNaoya MatsumotoShunichi YodaYasuo AmanoYasuo Okumura
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2022 Volume 8 Issue 1 Pages 109-112

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Abstract

The Japanese Circulation Society (JCS) 2021 guideline on radiation safety in cardiology was updated based on the eight best practices for myocardial perfusion single-photon emission computed tomography myocardial perfusion imaging (SPECT-MPI), which was determined by panels of international atomic energy agency (IAEA) nuclear cardiology protocols cross-sectional study (INCAPS). Although the guideline recommends to avoid too much 201Tl or 201Tl/99mTc dual-isotope protocol, the utilization rate of 201Tl for SPECT-MPI in Japan is considerably high compared to other countries. In Japan, protocols using 99mTc should be appropriately promoted based on the guideline to reduce radiation exposure in SPECT-MPI. Among the eight practices, stress-only imaging is considered to be a useful strategy that contributes to a significant reduction in radiation exposure, and hybrid assessment in combination with rest computed tomography (CT)-MPI is one of the practical application methods.

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© The Japanese Society of Nuclear Cardiology 2022
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