Cardiac Perfusion and Innervation Assessment by CZT-SPECT: Have a Look to Simultaneous Dual-isotope Protocol

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Abstract Purpose of Review The purpose of this review is to provide a summary on the status of the art of simultaneous perfusion-innervation imaging by CZT-SPECT and to clarify its potential applications in clinical practice. Recent Findings Introduction of CZT cameras represented a critical breakthrough in nuclear cardiology. Although it has been demonstrated that cardiac innervation may be easily assessed by CZT-SPECT, as for now, there are only few studies investigating cardiac perfusion and innervation with simultaneous dual-isotope imaging by CZT cameras. Summary Perfusion and innervation assessment by CZT camera is a feasible tool, allowing to reduce radiation dose exposure and acquisition time, thanks to CZT better spatial, temporal, and energy resolution, with higher compliance by patients. Moreover, this technique allows to integrate regional evaluation of myocardial perfusion/innervation status, providing more accurate information for risk stratification of different cardiac disease.

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