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Analysis of Coronary Artery Atheromatous Plaque by Cardiac Computed Tomographic Angiography : Retrospective Analysis of Intravascular Ultrasound Results

심장전산화단층촬영을 이용한 관상동맥 죽상경화반의 분류 : 혈관내초음파 결과를 통한 후향적 분석

  • 최재성 (전남대학교 생물과학.생명기술학과) ;
  • 한재복 (동신대학교 방사선학과) ;
  • 최남길 (동신대학교 방사선학과)
  • Received : 2012.05.10
  • Accepted : 2012.10.05
  • Published : 2012.10.28

Abstract

In the diagnosis of coronary artery atheromatous plaque, Cardiac computed tomography (Cardiac Computed Tomographic Angiography: CCTA) compared with IVUS(Intravascular Ultrasound: IVUS) investigate the diagnostic accuracy, Interested in CCTA atheromatous plaque in computed tomography values (Hounsfield Unit: HU) try to find out. From April 2006 to August 2008 among coronary artery disease(Coronary Artery Disease: CAD) patients with confirmed or suspicious of CAD by CCTA performed atherosclerotic plaques and found 200 patients who underwent IVUS were enrolled. 200 patients who underwent CCTA and IVUS results from the 476 plaque was found, IVUS results of the soft plaque(n; 84), fibrous plaque(n; 63), mixed plaque (n; 97), calcific plaque(n; 232). The results are classified according to the IVUS plaque in HU in the soft plaque : $53.8{\pm}10.5$, fibrous plaque : $108.1{\pm}20.0$, mixed plaque : $371.2{\pm}113.1$, and calcific plaque : $731.0{\pm}160.4$. CCTA had sensitivity of 97% and confidence interval of 95.0-98.3. This study that is the diagnosis of coronary atheromatous plaque for using CCTA, we confirm the high sensitivity and the confidence interval Based on IVUS results CCTA atheromatous plaque with HU in the analysis could be classified to characterize in the treatment of patients with CAD is expected to help.

Keywords

CCTA;Atheromatous Plaque;Hounsfield Unit;IVUS

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