Quantitative myocardial perfusion imaging using rapid kVp switch dual-energy CT: Preliminary experience

Journal of Cardiovascular Computed Tomography - Tập 5 - Trang 430-442 - 2011
Aaron So1,2, Ting-Yim Lee1,2, Yasuhiro Imai3, Suresh Narayanan3, Jiang Hsieh3, John Kramer3, Karen Procknow3, Jonathon Leipsic4, Troy LaBounty5, James Min6
1Imaging Research Laboratories, Robarts Research Institute, 100 Perth Drive, London, ON N6A 5K8, Canada
2Lawson Health Research Institute, London, ON, Canada
3CT Engineering, GE Healthcare, Waukesha, WI, USA
4Medical Imaging, St. Paul's Hospital, Vancouver, BC, Canada
5Medicine, Cedars-Sinai Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
6Imaging, Cedars-Sinai Medical Center, Los Angeles, CA, USA

Tài liệu tham khảo

Meijboom, 2008, Comprehensive assessment of coronary artery stenoses: computed tomography coronary angiography versus conventional coronary angiography and correlation with fractional flow reserve in patients with stable angina, J Am Coll Cardiol, 52, 636, 10.1016/j.jacc.2008.05.024 Blankstein, 2009, Adenosine-induced stress myocardial perfusion imaging using dual-source cardiac computed tomography, J Am Coll Cardiol, 54, 1072, 10.1016/j.jacc.2009.06.014 George, 2009, Adenosine stress 64- and 256-row detector computed tomography angiography and perfusion imaging: a pilot study evaluating the transmural extent of perfusion abnormalities to predict atherosclerosis causing myocardial ischemia, Circ Cardiovasc Imaging, 2, 174, 10.1161/CIRCIMAGING.108.813766 Okada, 2010, Direct comparison of rest and adenosine stress myocardial perfusion CT with rest and stress SPECT, J Nucl Cardiol, 17, 27, 10.1007/s12350-009-9156-z Rocha-Filho, 2010, Incremental value of adenosine-induced stress myocardial perfusion imaging with dual-source CT at cardiac CT angiography, Radiology, 254, 410, 10.1148/radiol.09091014 Ho, 2010, Stress and rest dynamic myocardial perfusion imaging by evaluation of complete time-attenuation curves with dual-source ct, JACC Cardiovasc Imaging, 3, 811, 10.1016/j.jcmg.2010.05.009 Ko, 2011, Myocardial perfusion imaging using adenosine-induced stress dual-energy computed tomography of the heart: comparison with cardiac magnetic resonance imaging and conventional coronary angiography, Eur Radiol, 21, 26, 10.1007/s00330-010-1897-1 Tamarappoo, 2010, Comparison of the extent and severity of myocardial perfusion defects measured by CT coronary angiography and SPECT myocardial perfusion imaging, JACC Cardiovasc Imaging, 3, 1010, 10.1016/j.jcmg.2010.07.011 So, 2009, Beam hardening correction in ct myocardial perfusion measurement, Phys Med Biol, 54, 3031, 10.1088/0031-9155/54/10/005 Rodriguez-Granillo, 2010, Signal density of left ventricular myocardial segments and impact of beam hardening artifact: implications for myocardial perfusion assessment by multidetector ct coronary angiography, Int J Cardiovasc Imaging, 26, 345, 10.1007/s10554-009-9531-5 Bastarrika, 2010, Adenosine-stress dynamic myocardial ct perfusion imaging: initial clinical experience, Invest Radiol, 45, 306, 10.1097/RLI.0b013e3181dfa2f2 Alvarez, 1976, Energy-selective reconstructions in x-ray computerized tomography, Phys Med Biol, 21, 733, 10.1088/0031-9155/21/5/002 Lehmann, 1981, Generalized image combinations in dual kVp digital radiography, Med Phys, 8, 659, 10.1118/1.595025 Petersilka, 2008, Technical principles of dual source CT, Eur J Radiol, 68, 362, 10.1016/j.ejrad.2008.08.013 Matsumoto, 2011, Virtual monochromatic spectral imaging with fast kilovoltage switching: improved image quality as compared with that obtained with conventional 120-kVp CT, Radiology, 259, 257, 10.1148/radiol.11100978 Ruzsics, 2008, Images in cardiovascular medicine. Myocardial ischemia diagnosed by dual-energy computed tomography: correlation with single-photon emission computed tomography, Circulation, 117, 1244, 10.1161/CIRCULATIONAHA.107.745711 Hamilton-Craig, 2011, Myocardial viability by dual-energy delayed enhancement computed tomography, JACC Cardiovasc Imaging, 4, 207, 10.1016/j.jcmg.2010.08.020 Kang, 2010, Dual-energy computed tomography for integrative imaging of coronary artery disease: principles and clinical applications, Semin Ultrasound CT MR, 31, 276, 10.1053/j.sult.2010.05.004 So A, Hsieh J, Li JY, Hadway J, Kong HF, Lee TY: Quantitative myocardial perfusion measurement using CT perfusion: a validation study in a porcine model of reperfused acute myocardial infarction. Published online ahead of print July 29, 2011. Int J Cardiovasc Imaging. doi:10.1007/s10554-011-9927. Parker, 1982, Optimal short scan convolution reconstruction for fanbeam CT, Med Phys, 9, 254, 10.1118/1.595078 Primak, 2007, A technical solution to avoid partial scan artifacts in cardiac MDCT, Med Phys, 34, 4726, 10.1118/1.2805476 Cerqueira, 2002, Standardized myocardial segmentation and nomenclature for tomographic imaging of the heart: a statement for healthcare professionals from the Cardiac Imaging Committee of the Council on Clinical Cardiology of the American Heart Association, Circulation, 105, 539, 10.1161/hc0402.102975 Thibault, 2007, A three-dimensional statistical approach to improved image quality for multislice helical CT, Med Phys, 34, 4526, 10.1118/1.2789499