Abstract
Background
Stress-only single-photon emission computed tomography myocardial perfusion imaging (SO SPECT MPI) is associated with similarly benign prognosis as stress-rest SPECT MPI. However, previous studies have used attenuation correction rather than prone imaging to increase the rate of SO studies.
Objectives
To assess the prognosis of SO SPECT MPI performed with prone imaging.
Methods
We performed a retrospective cohort analysis of all patients who underwent a Tc-99m gated SPECT MPI over a 58-month period.
Results
Two thousand four hundred and sixty five patients were followed up. Of them, 1114 (45.2%) patients had a SO supine test, 388 (15.7%) underwent a SO supine and prone test, and the remaining 963 (39.1%) patients underwent a full stress-rest SPECT MPI. There was a similar annual mortality rate between the SO supine/prone group (1.3%), the SO supine (1.5%), and the stress-rest (1.5%) group (P = 0.47). Patients in the stress-rest group were significantly more likely to suffer from myocardial infarction (MI) as compared to the other two groups with an annual rate of 0.7% as compared to 0.4% (P = 0.049).
Conclusions
Normal supine-prone SO SPECT MPI is associated with a similarly benign prognosis as stress-rest SPECT MPI. The adjunction of prone imaging to the stress supine significantly increases the rate of SO SPECT MPI
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Abbreviations
- SO:
-
Stress-only
- SPECT:
-
Single-photon emission computed tomography
- MPI:
-
Myocardial perfusion imaging
- CAD:
-
Coronary artery disease
- AC:
-
Attenuation correction
- CABG:
-
Coronary artery bypass graft
- PCI:
-
Percutaneous coronary intervention
- MI:
-
Myocardial infarction
- LV:
-
Left ventricular
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Gutstein, A., Bental, T., Solodky, A. et al. Prognosis of stress-only SPECT myocardial perfusion imaging with prone imaging. J. Nucl. Cardiol. 25, 809–816 (2018). https://doi.org/10.1007/s12350-016-0617-x
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DOI: https://doi.org/10.1007/s12350-016-0617-x