Evolution of Coronary Computed Tomography Radiation Dose Reduction at a Tertiary Referral Center

Abstract Purpose We aimed to assess the temporal change in radiation doses from coronary computed tomography angiography (CCTA) during a 6-year period. High CCTA radiation doses have been reduced by multiple technologies that, if used appropriately, can decrease exposures significantly. Methods A to...

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Veröffentlicht in:	The American journal of medicine 2012-08, Vol.125 (8), p.764-772
Hauptverfasser:	Ghoshhajra, Brian Burns, MD, MBA, Engel, Leif-Christopher, MD, Major, Gyöngyi Petra, MD, Goehler, Alexander, MD, MPH, MSc, PhD, Techasith, Tust, MD, Verdini, Daniel, MD, Do, Synho, PhD, BSc, MSc, Liu, Bob, PhD, Li, Xinhua, PhD, Sala, Michiel, MD, Kim, Mi Sung, MD, Blankstein, Ron, MD, Prakash, Priyanka, MD, Sidhu, Manavjot S., MD, Corsini, Erin, Banerji, Dahlia, MD, Wu, David, Abbara, Suhny, MD, Truong, Quynh, MD, MPH, Brady, Thomas J., MD, Hoffmann, Udo, MD, MPH, Kalra, Manudeep, MD
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Age Factors Aged Algorithms Biological and medical sciences Body Mass Index Cardiac computed tomography Cardiac-Gated Imaging Techniques - instrumentation Cardiac-Gated Imaging Techniques - trends Cardiovascular disease Coronary Angiography - instrumentation Coronary Angiography - trends Coronary artery disease Dose-Response Relationship, Radiation Dose-savings methods General aspects Heart Rate Humans Internal Medicine Medical imaging Medical sciences Middle Aged Multidetector Computed Tomography - instrumentation Multidetector Computed Tomography - trends Radiation Radiation Dosage Radiation dose Radiation Injuries - prevention & control Radiation Protection - instrumentation Risk exposure Scan protocols Technology United States
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Zusammenfassung:	Abstract Purpose We aimed to assess the temporal change in radiation doses from coronary computed tomography angiography (CCTA) during a 6-year period. High CCTA radiation doses have been reduced by multiple technologies that, if used appropriately, can decrease exposures significantly. Methods A total of 1277 examinations performed from 2005 to 2010 were included. Univariate and multivariable regression analysis of patient- and scan-related variables was performed with estimated radiation dose as the main outcome measure. Results Median doses decreased by 74.8% ( P
ISSN:	0002-9343 1555-7162
DOI:	10.1016/j.amjmed.2011.10.036