New acquisition method to exclusively enhance the left side of the heart by a small amount of contrast material achieved by multislice computed tomography with 64 data acquisition system

International Journal of Cardiology
Nobusada FunabashiIssei Komuro

Abstract

To exclusively enhance the left side of the heart by a small amount of contrast material (CM) using rapid acquisition of multislice computed tomography (MSCT) with a 64-data acquisition system (DAS). Forty consecutive subjects underwent MSCT (Light Speed VCT, GE) with 0.625mm slice thickness to evaluate coronary arteries. We first measured transit time, using 8ml of CM followed by 20ml saline. Dependent upon transit time, total volume of CM was determined, ranging from 45 to 63ml. After injection of CM at a rate of 4ml/s, followed by 47ml saline at 3.5ml/s, ECG-gated MSCT scanning was performed. The mean and standard deviation (S.D.) of CT values of the right atrium (RA), right ventricle (RV), left atrium (LA), left ventricle (LV), ascending aorta (Ao) and each coronary artery were measured. The mean of the CT values of the RA, RV, LA, LV, Ao, right coronary artery, left main, left anterior descending branch, and left circumflex branch were 225+/-76, 251+/-72, 353+/-55, 355+/-51, 352+/-34, 312+/-65, 296+/-57, 285+/-55, and 267+/-60HU, respectively. The corresponding S.D.s of the CT values were 39+/-22, 37+/-16, 32+/-7, 31+/-8HU, 25+/-5, 36+/-15, 31+/-13, 36+/-23, and 40+/-18HU, respectively. The mean of CT values of the RA and ...Continue Reading

References

Mar 21, 2003·AJR. American Journal of Roentgenology·Paul J DorioSarah A Shock
Sep 6, 2003·International Journal of Cardiology·Christof BurgstahlerStephen Schroeder
Jul 28, 2004·Circulation Journal : Official Journal of the Japanese Circulation Society·Nobusada FunabashiGeoffrey D Rubin
Apr 26, 2005·Circulation Journal : Official Journal of the Japanese Circulation Society·Nobusada FunabashiIssei Komuro
Nov 9, 2005·International Journal of Cardiology·Nobusada Funabashi, Issei Komuro
Apr 29, 2006·International Journal of Cardiology·Nobusada FunabashiIssei Komuro
May 16, 2006·International Journal of Cardiology·Nobusada FunabashiIssei Komuro

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Citations

Feb 22, 2008·AJR. American Journal of Roentgenology·Kyongtae T BaePamela K Woodard
Apr 22, 2009·AJR. American Journal of Roentgenology·Pamela T JohnsonElliot K Fishman
Mar 26, 2014·Journal of Cardiovascular Computed Tomography·Takehiro NakaharaMasahiko Kurabayashi
Nov 21, 2008·International Journal of Cardiology·Andrew J S Coats
Dec 25, 2013·Circulation Journal : Official Journal of the Japanese Circulation Society·Naoto KawaguchiTeruhito Mochizuki
Jun 7, 2011·European Journal of Radiology·Wolfgang WuestAxel Kuettner

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