Absolute Myocardial Blood Flow and Flow Reserve Assessed by Gated SPECT with Cadmium-Zinc-Telluride Detectors Using 99mTc-Tetrofosmin: Head-to-Head Comparison with 13N-Ammonia PET.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine（2016）
Abstract
The estimation of absolute MBF index values by CZT SPECT MPI with Tc-tetrofosmin is technically feasible, although hyperemic values are significantly lower than from PET with N-ammonia, resulting in a substantial underestimation of MFR. Nevertheless, CZT MFRi may confer diagnostic value.
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Key words
13N-ammonia PET,cadmium zinc telluride (CZT) SPECT,myocardial blood flow (MBF),myocardial flow reserve (MFR)
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