期刊
ULTRASOUND IN MEDICINE AND BIOLOGY
卷 41, 期 1, 页码 77-88出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ultrasmedbio.2014.06.013
关键词
Carotid artery; In vitro; In vivo; Phantom; Plaque characterization; Speckle tracking; Strain; Ultrasound; Validation
资金
- VINNOVA VINNMER Marie Curie International Qualification [201101365]
- Swedish Heart-Lung Foundation [2012-2795]
- Swedish Research Council [2011-0656]
Our objective was to validate a previously developed speckle tracking (ST) algorithm to assess strain in common carotid artery plaques. Radial and longitudinal strain was measured in common carotid artery gel phantoms with a plaque-mimicking inclusion using an in-house ST algorithm and sonomicrometry. Moreover, plaque strain by ST for seven patients (77 +/- 6 y) with carotid atherosclerosis was compared with a quantitative visual assessment by two experienced physicians. In vitro, good correlation existed between ST and sonomicrometry peak strains, both radially (r = 0.96, p < 0.001) and longitudinally (r = 0.75, p < 0.01). In vivo, greater pulse pressure-adjusted radial and longitudinal strains were found in echolucent plaques than in echogenic plaques. This illustrates the feasibility of ultrasound ST strain estimation in plaques and the possibility of characterizing plaques using ST strain in vivo. (C) 2015 World Federation for Ultrasound in Medicine & Biology.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据