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Journal of Nuclear Cardiology
Erschienen in: Journal of Nuclear Cardiology 6/2016

01.12.2016 | Original Article

Prognostic value of the cadmium-zinc-telluride camera: A comparison with a conventional (Anger) camera

verfasst von: Jorge Daniel Oldan, MD, Linda K. Shaw, MS, Paul Hofmann, BS, Matthew Phelan, MS, Jeffrey Nelson, MHP, Robert Pagnanelli, BS, Salvador Borges-Neto, MD

Erschienen in: Journal of Nuclear Cardiology | Ausgabe 6/2016

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Abstract

Background

New multipinhole cadmium-zinc-telluride (CZT) cameras allow for faster imaging and lower radiation doses for single photon emission computed tomography (SPECT) studies, but assessment of prognostic ability is necessary.

Methods and Results

We collected data from all myocardial SPECT perfusion studies performed over 15 months at our institution, using either a CZT or conventional Anger camera. A Cox proportional hazards model was used to assess the relationship between camera type, imaging results, and either death or myocardial infarction (MI). Clinical variables including age, sex, body mass index (BMI), and historical risk factors were used for population description and model adjustments. We had 2,088 patients with a total of 69 deaths and 65 MIs (122 events altogether). A 3% increase in DDB (difference defect burden) represented a 12% increase in the risk of death or MI, whereas a 3% increase in rest defect burden or stress defect burden represented an 8% increase; these risks were the same for both cameras (P > .24, interaction tests).

Conclusions

The CZT camera has similar prognostic values for death and MI to conventional Anger cameras. This suggests that it may successfully be used to decrease patient dose.
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Metadaten
Titel
Prognostic value of the cadmium-zinc-telluride camera: A comparison with a conventional (Anger) camera
verfasst von
Jorge Daniel Oldan, MD
Linda K. Shaw, MS
Paul Hofmann, BS
Matthew Phelan, MS
Jeffrey Nelson, MHP
Robert Pagnanelli, BS
Salvador Borges-Neto, MD
Publikationsdatum
01.12.2016
Verlag
Springer US
Erschienen in
Journal of Nuclear Cardiology / Ausgabe 6/2016
Print ISSN: 1071-3581
Elektronische ISSN: 1532-6551
DOI
https://doi.org/10.1007/s12350-015-0181-9

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