Geometrical characteristics of aortic root and left ventricular dysfunction in aortic stenosis: quantification of 256-slice coronary CT angiography
作者: Michinobu NagaoYuzo YamasakiTakeshi KamitaniSatoshi KawanamiMasatoshi KondoHiromichi SonodaTaisuke FujiokaHiroshi Honda
作者单位: 1Tokyo Women’s Medical University
2Kyushu University
3Philips Electronics Japan, Ltd.
刊名: Heart and Vessels, 2017, Vol.32 (5), pp.558-565
来源数据库: Springer Nature Journal
DOI: 10.1007/s00380-016-0902-2
关键词: Coronary-computed tomography angiographyAortic stenosisMotion coherence analysisVentricular function
英文摘要: The purpose of this study is to analyze the geometrical characteristics of aortic root and left ventricular (LV) function in aortic stenosis (AS) using 256-slice coronary-computed tomography angiography (CCTA). Retrospective ECG-gated 256-slice CCTA data from 32 patients with tricuspid AS scheduled for aortic valve replacement, and 11 controls were analyzed. Aortic root geometry was measured using multiplanar reconstruction CT images. CCTA data set was transformed into 100 phases/cycle using motion coherence image processing. Systolic shortening (SS, mm/ms) and diastolic relaxation (DR, mm/ms2) in the circumferential and longitudinal directions on time curves of myocardial length were calculated, and were used as estimates of geometric LV function. Comparison of parameters was...
原始语种摘要: The purpose of this study is to analyze the geometrical characteristics of aortic root and left ventricular (LV) function in aortic stenosis (AS) using 256-slice coronary-computed tomography angiography (CCTA). Retrospective ECG-gated 256-slice CCTA data from 32 patients with tricuspid AS scheduled for aortic valve replacement, and 11 controls were analyzed. Aortic root geometry was measured using multiplanar reconstruction CT images. CCTA data set was transformed into 100 phases/cycle using motion coherence image processing. Systolic shortening (SS, mm/ms) and diastolic relaxation (DR, mm/ms2) in the circumferential and longitudinal directions on time curves of myocardial length were calculated, and were used as estimates of geometric LV function. Comparison of parameters was...
全文获取路径: Springer Nature  (合作)
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来源刊物:
影响因子:2.126 (2012)

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关键词翻译
关键词翻译
  • aortic 织脉的
  • coronary 冠状的
  • stenosis 压缩
  • angiography 血管照相术
  • slice 
  • dysfunction 功能障碍
  • tricuspid 有三个尖头的
  • ventricular 室的
  • controls 控制机构
  • longitudinal 纵向的