Fast myocardial perfusion imaging with 99mTc in challenging patients using conventional SPECT cameras

Fast myocardial perfusion imaging with 99mTc in challenging patients using conventional SPECT... ORIGINAL ARTICLE 99m Fast myocardial perfusion imaging with Tc in challenging patients using conventional SPECT cameras a a a Athanasios Katsikis, MD, Athanasios Theodorakos, MD, Anna Kouzoumi, a b a Elpida Kitziri, Evangelos Georgiou, PhD, and Maria Koutelou, MD, MSc, PhD Nuclear Medicine Department, Onassis Cardiac Surgery Center, Athens, Greece Medical Physics Department, Athens Medical University, Athens, Greece Received Nov 17, 2015; accepted Jan 27, 2016 doi:10.1007/s12350-016-0431-5 Background. We attempted to validate the performance of a fast myocardial perfusion imaging (MPI) protocol in diagnostically challenging patients. Methods. 78 patients with BLI > 24.9, LVH or three vessels disease underwent two sequential gated-MPI studies. The first at 15 (Early Imaging, EI) and the second at 45 (Late 99m Imaging, LI) minutes post Tc-injection, at both stress and rest. Counts over heart (H), liver (Liv) and subdiaphragmatic space (Sub) and image quality, and myocardial perfusion and function parameters were compared between the two protocols. Coronary angiography was performed within 2 months from MPI, and ROC analysis was used to compare the diagnostic accuracy for the detection of ‡50% diameter luminal stenosis. Results. Quality was optimal-good in 93% of EI and 98% of LI studies (P 5 .12), H/Liv and stress H/Sub Journal of Nuclear Cardiology Springer Journals

Fast myocardial perfusion imaging with 99mTc in challenging patients using conventional SPECT cameras

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Springer US
Copyright © 2016 by American Society of Nuclear Cardiology
Medicine & Public Health; Cardiology; Nuclear Medicine; Imaging / Radiology
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