Prognosis of stress-only SPECT myocardial perfusion imaging with prone imaging.
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.



To assess the prognosis of SO SPECT MPI performed with prone imaging.



We performed a retrospective cohort analysis of all patients who underwent a Tc-99m gated SPECT MPI over a 58-month period.



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).



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.
Rabin Medical Center, Tel-Aviv University, Petach Tikva, Israel. aguts13@gmail.com.
Ariel
A
Gutstein
Rabin Medical Center, Tel-Aviv University, Petach Tikva, Israel.
Tamir
T
Bental
Rabin Medical Center, Tel-Aviv University, Petach Tikva, Israel.
Ajejandro
A
Solodky
Rabin Medical Center, Tel-Aviv University, Petach Tikva, Israel.
Israel
I
Mats
Rabin Medical Center, Tel-Aviv University, Petach Tikva, Israel. nilizafrir@gmail.com.
Nili
N
Zafrir
D000368:Aged; D005080:Exercise Test; D005260:Female; D006760:Hospitalization; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000000981:diagnostic imaging / Q000453:epidemiology*; D055414:Myocardial Perfusion Imaging; D056888:Patient Positioning; D011379:Prognosis; D016684:Prone Position; D012189:Retrospective Studies; D016683:Supine Position; D015996:Survival Rate; D017256:Technetium Tc 99m Sestamibi; D015899:Tomography, Emission-Computed, Single-Photon
D017256:Technetium Tc 99m Sestamibi
Myocardial perfusion imaging: SPECT; diagnostic and prognostic application; dipyridamole; infarction; myocardial
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