Long-term prognostic value of low-dose normal stress-only myocardial perfusion imaging by wide beam reconstruction: A competing risk analysis.

Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology
Carmela NappiAlberto Cuocolo

Abstract

A normal stress myocardial perfusion single-photon emission computed tomography (MPS) is associated with a good clinical outcome. New iterative algorithms, such as wide beam reconstruction (WBR), which improve image interpretation with half-dose or half-time acquisition, have been proposed for cardiac MPS. The aim of this study was to assess the long-term predictive value of a low-dose normal stress-only MPS with WBR using conventional Anger camera in patients with known or suspected coronary artery disease (CAD). A total of 2106 patients with known or suspected CAD and normal perfusion at half-dose stress-only MPS protocol were followed for a mean of 6.6 ± 2.7 years. MPS data were reconstructed with WBR iterative algorithm. End-point events were cardiac death or nonfatal myocardial infarction. Noncardiac death was considered the competing event. During follow-up, 149 cardiac events occurred with an annualized event rate of 1.2%. Independent predictors of cardiac events at Cox analysis were age, male gender, diabetes mellitus, previous myocardial infarction and the need for pharmacologic stress testing. At Fine-Gray analysis the cumulative incidence of cardiac events progressively increases with age and in the presence of diabe...Continue Reading

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Citations

Feb 1, 2019·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Carmela NappiMario Petretta
Feb 9, 2019·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Rosario MegnaAlberto Cuocolo
Oct 28, 2019·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Carmela NappiAlberto Cuocolo
Oct 10, 2018·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Vedran Oruc, Fadi G Hage
May 19, 2020·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Ernest V Garcia
Aug 5, 2021·Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology·Carmela NappiAlberto Cuocolo

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