ORIGINAL ARTICLE Validation of early image acquisitions following Tc-99 m sestamibi injection using a semiconductors camera of cadmium-zinc- telluride a a Celine Meyer, MD, and Pierre Weinmann, MD, PhD European Hospital Georges Pompidou, AP-HP, Nuclear Medicine, Universite´ Paris Descartes, Paris, France Received Sep 28, 2015; accepted Mar 25, 2016 doi:10.1007/s12350-016-0499-y Background. Cadmium-zinc-telluride (CZT) cameras allow to decrease signiﬁcantly the acquisition time of myocardial perfusion imaging (MPI), but the duration of the examination is still long. Therefore, this study was performed to test the feasibility of early imaging following injection of Tc-99 m sestamibi using a CZT camera. Methods. Seventy patients underwent both an early and a delayed image acquisition after exercise stress test (n 5 30), dipyridamole stress test (n 5 20), and at rest (n 5 20). After injection of Tc-99 m sestamibi, the early image acquisition started on average within 5 minutes for the exercise and rest groups, and 3 minutes 30 seconds for the dipyridamole group. Two independent observers evaluated image quality and extracardiac uptake on four-point scales. The difference between early and later images for each patient was scored on a ﬁve-point scale. Results. The image quality and extracardiac uptake of early and delayed image
Journal of Nuclear Cardiology – Springer Journals
Published: Apr 20, 2016
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