Abstract
The purpose of this study was to compare prospective ECG-triggered and retrospective ECG-gated coronary 64-MDCT angiography as to radiation dose, image quality, accuracy of stenosis measurement, and CT densitometry. Coronary artery models (n = 3) with different plaque densities (approximately 50, approximately 110, and approximately 1,000 H) on a cardiac phantom were scanned in variable heart rate sequences (n = 14) with both prospective ECG-triggered and retrospective ECG-gated scanning. Radiation dose, image quality graded by motion and stairstep artifacts (grade 1, excellent, to grade 4, poor, with grades 1 and 2 defined as satisfactory), accuracy of stenosis measurement (area; 18%, 50%, and 82%), and CT densitometry of plaques (soft, approximately 50; and intermediate, approximately 110 H) were compared between the two protocols using the Mann-Whitney U test and repeated measures. The radiation dose of prospective ECG-triggered CT angiography (CTA) (3.0 mSv) was lower than that of retrospective ECG-gated CTA (11.7-13.0 mSv) when the same tube current (mA) and voltage (kVp) were used in both methods. Prospective ECG-triggered CTA images were assigned a satisfactory quality rating in stable heart rate up to 75 beats per minut...Continue Reading
References
Jan 1, 1992·European Journal of Nuclear Medicine·P J Mountford, D H Temperton
Apr 20, 1999·Circulation·C StefanadisP Toutouzas
Nov 15, 2000·The American Journal of Cardiology·P PatwariM E Brezinski
Feb 7, 2001·Circulation·S E Nissen, P Yock
Apr 13, 2001·Journal of the American College of Cardiology·S SchroederK R Karsch
Jul 14, 2001·Journal of the American College of Cardiology·M TakanoS Sakai
Apr 27, 2002·European Radiology·Tobias F JakobsMaximilian F Reiser
Jan 4, 2003·Radiology·Peter HunoldJörg Barkhausen
Feb 20, 2003·Circulation·Richard L MorinCynthia H McCollough
Mar 27, 2004·Radiology·Birgit B Ertl-WagnerMaximilian F Reiser
Apr 6, 2004·Journal of the American College of Cardiology·Alexander W LeberPeter Boekstegers
Oct 20, 2004·Circulation·Udo HoffmannStephan Achenbach
Apr 21, 2005·European Heart Journal·Sebastian LeschkaSimon Wildermuth
Jul 5, 2005·Journal of the American College of Cardiology·Alexander W LeberPeter Boekstegers
Jul 19, 2005·Investigative Radiology·Thomas C GerberRichard L Morin
Aug 2, 2005·Journal of the American College of Cardiology·Gilbert L RaffJames A Goldstein
Sep 22, 2005·European Radiology·Jun HoriguchiKatsuhide Ito
Sep 24, 2005·AJR. American Journal of Roentgenology·Jun HoriguchiKatsuhide Ito
Oct 6, 2005·Circulation·Nico R MolletPim J de Feyter
Oct 28, 2005·Heart·M A S CordeiroJ A C Lima
Nov 18, 2005·European Radiology·Francesca PuglieseFilippo Cademartiri
Dec 24, 2005·Radiology·Christopher HerzogThomas J Vogl
Jan 31, 2006·The American Journal of Cardiology·Jeffrey J FineF Carter Newton
Jan 31, 2006·The American Journal of Cardiology·Dieter RopersStephan Achenbach
Feb 24, 2006·Atherosclerosis·Karsten PohleWerner G Daniel
Feb 25, 2006·AJR. American Journal of Roentgenology·Filippo CademartiriGabriel P Krestin
Mar 8, 2006·Circulation·Jörg HausleiterAlbert Schömig
May 10, 2006·Journal of the American College of Cardiology·Duncan R ColesAndreas Baumbach
May 16, 2006·European Radiology·Sebastian LeschkaHatem Alkadhi
Dec 13, 2006·Medical Physics·Jiang HsiehDarin Okerlund
Citations
Jun 10, 2009·Neuroradiology·Anisa MnyusiwallaSean P Symons
Sep 24, 2008·European Radiology·Tri-Linh C LuSalah D Qanadli
May 12, 2009·European Radiology·Jun HoriguchiKatsuhide Ito
Dec 25, 2009·European Radiology·Fabian BambergThorsten R C Johnson
Feb 18, 2011·European Radiology·Ning LiCheng Liu
Sep 9, 2010·Journal of Digital Imaging·Jun HoriguchiKazuo Awai
Aug 12, 2009·La Radiologia medica·R MalagòR Pozzi Mucelli
Nov 16, 2010·La Radiologia medica·W-J YangK-M Chen
May 23, 2013·PloS One·Min LiGang Sun
Nov 21, 2008·AJR. American Journal of Roentgenology·Paul StolzmannHatem Alkadhi
Jun 23, 2009·AJR. American Journal of Roentgenology·Chikako FujiokaKatsuhide Ito
Mar 24, 2009·AJR. American Journal of Roentgenology·Kevin M TakakuwaFrances S Shofer
Jul 22, 2009·AJR. American Journal of Roentgenology·Bingsheng HuangPek-Lan Khong
Nov 26, 2010·AJR. American Journal of Roentgenology·Boris NikolicMelvin E Clouse
Feb 24, 2011·AJR. American Journal of Roentgenology·Fergus V CoakleyRonald L Arenson
Feb 2, 2011·Nihon Hoshasen Gijutsu Gakkai zasshi·Koichi Sugisawa
Jul 6, 2014·Journal of Clinical Imaging Science·Atif N KhanMohammad K Khan
Aug 30, 2014·Scientifica·Atif N KhanFaisal Khosa
May 29, 2014·European Radiology·Linfeng YangGang Sun
Mar 28, 2008·The International Journal of Cardiovascular Imaging·Frank J RybickiMarcelo F Di Carli
Apr 29, 2008·The British Journal of Radiology·E J Hall, D J Brenner
Feb 9, 2010·The British Journal of Radiology·B HuangP L Khong
Jan 19, 2013·The International Journal of Cardiovascular Imaging·Fabian MorsbachPaul Stolzmann
Dec 31, 2009·The Kaohsiung Journal of Medical Sciences·Li-Hwa YangJui-Sheng Hsu
Apr 26, 2011·Clinical Radiology·G SunZ-h Peng
Feb 18, 2011·International Journal of Cardiology·Antonio EspositoAlessandro Del Maschio
Jan 28, 2010·Seminars in Ultrasound, CT, and MR·Michael V HuppmannMarcia C Javitt
Sep 1, 2009·European Journal of Radiology·Jun HoriguchiYasuki Kihara
Dec 23, 2008·European Journal of Radiology·Dominik KetelsenMartin Heuschmid
Jan 8, 2014·Journal of Medical Imaging and Radiation Oncology·Nicholas D ArdleyJohn M Troupis
Oct 5, 2015·European Radiology·Bouchra Habib GeryesFrancesca Raimondi
Nov 7, 2009·The American Journal of Cardiology·Andrew J EinsteinM Robert Peters
Jun 21, 2011·European Journal of Radiology·E DougeniG Panayiotakis
Oct 26, 2012·AJR. American Journal of Roentgenology·Daniel J PodbereskyDonald P Frush
Jan 17, 2012·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Wen Jie YangZi Lai Pan
Jun 10, 2010·Journal of Thoracic Imaging·Eduard GhersinGeraldo Ramos
Jun 4, 2011·Journal of Cardiovascular Medicine·Gianluca PontoneMauro Pepi
Aug 12, 2008·Topics in Magnetic Resonance Imaging : TMRI·Derek G LohanJ Paul Finn
May 16, 2013·Journal of Computer Assisted Tomography·Antonio EspositoAlessandro Del Maschio