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Achieving Very-Low-Dose Radiation Exposure in Cardiac Computed Tomography, Single-Photon Emission Computed Tomography, and Positron Emission Tomography

Achieving Very-Low-Dose Radiation Exposure in Cardiac Computed Tomography, Single-Photon Emission... Advances in Cardiovascular Imaging Achieving Very-Low-Dose Radiation Exposure in Cardiac Computed Tomography, Single-Photon Emission Computed Tomography, and Positron Emission Tomography Damini Dey, PhD; Piotr J. Slomka, PhD; Daniel S. Berman, MD uring the past several years, the need to reduce radiation Methods for Dose Reduction in CT Dhas become a central issue in cardiac imaging. During Table 1 summarizes the practical criteria and the cardiac CT scan this time, radiation dose to the patient in cardiac computed parameters that can be modified to achieve low radiation dose. tomography (CT), single-photon emission computed tomog- Patient-based criteria include consideration of the heart rate raphy (SPECT), and positron emission tomography (PET) has and rhythm, body mass index, extent of calcified plaque in the seen significant reductions without compromising image qual- coronary arteries, and prior intervention (eg, stent placement). ity, primarily because of new developments in scanner hard- A further important patient-based criterion may be the clinical ware and reconstruction software. Sub-mSv radiation doses indication of the patient (eg, acute versus stable chest pain). As 1–5 have been reported for cardiac CT. Stress and rest SPECT listed in Table 1, the scan parameters include scan acquisition myocardial perfusion imaging (MPI) traditionally required modes, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Circulation: Cardiovascular Imaging Wolters Kluwer Health

Achieving Very-Low-Dose Radiation Exposure in Cardiac Computed Tomography, Single-Photon Emission Computed Tomography, and Positron Emission Tomography

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References (84)

Copyright
© 2014 American Heart Association, Inc.
ISSN
1941-9651
eISSN
1942-0080
DOI
10.1161/CIRCIMAGING.113.000897
pmid
25027454
Publisher site
See Article on Publisher Site

Abstract

Advances in Cardiovascular Imaging Achieving Very-Low-Dose Radiation Exposure in Cardiac Computed Tomography, Single-Photon Emission Computed Tomography, and Positron Emission Tomography Damini Dey, PhD; Piotr J. Slomka, PhD; Daniel S. Berman, MD uring the past several years, the need to reduce radiation Methods for Dose Reduction in CT Dhas become a central issue in cardiac imaging. During Table 1 summarizes the practical criteria and the cardiac CT scan this time, radiation dose to the patient in cardiac computed parameters that can be modified to achieve low radiation dose. tomography (CT), single-photon emission computed tomog- Patient-based criteria include consideration of the heart rate raphy (SPECT), and positron emission tomography (PET) has and rhythm, body mass index, extent of calcified plaque in the seen significant reductions without compromising image qual- coronary arteries, and prior intervention (eg, stent placement). ity, primarily because of new developments in scanner hard- A further important patient-based criterion may be the clinical ware and reconstruction software. Sub-mSv radiation doses indication of the patient (eg, acute versus stable chest pain). As 1–5 have been reported for cardiac CT. Stress and rest SPECT listed in Table 1, the scan parameters include scan acquisition myocardial perfusion imaging (MPI) traditionally required modes,

Journal

Circulation: Cardiovascular Imaging – Wolters Kluwer Health

Published: Jul 1, 2014

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