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IQ SPECT allows a significant reduction in administered dose and acquisition time for myocardial perfusion imaging: evidence from a phantom study.
Federico Caobelli
1 ,
Stefano Ren Kaiser
2 ,
James T Thackeray
3 ,
Frank M Bengel
3 ,
Matteo Chieregato
2 ,
Alberto Soffientini
2 ,
Claudio Pizzocaro
2 ,
Giordano Savelli
2 ,
Marco Galelli
2 ,
Ugo Paolo Guerra
2
Dec 2014
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Abstract
We recently demonstrated in a clinical trial the ability of a new protocol, IQ SPECT, to acquire myocardial perfusion imaging (MPI) studies in a quarter of the time (12 s/view) of the standard protocol, with preserved diagnostic accuracy. We now aim to establish the lower limit of radioactivity that can be administered to patients and the minimum acquisition time in SPECT MPI using an IQ SPECT protocol, while preserving diagnostic accuracy.