ArticleThe international journal of cardiovascular imaging2009
The potential of RF backscattered IVUS data and multidetector-row computed tomography images for tissue characterization of human coronary atherosclerotic plaques.
Article in The international journal of cardiovascular imaging, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 16 citations in OpenAlex.
- Characterisation of non-calcified coronary plaque by 16-slice multidetector computed tomography: comparison with histopathological specimens obtained by directional coronary atherectomy.The international journal of cardiovascular imaging · 2012Article
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12 authors at 2 institutions in 1 country.
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Abstract
The aim is to compare virtual histology which uses spectral analysis of backscattered intravascular ultrasound (VH-IVUS) and multidetector-row computed tomography (MDCT) for the characterization of coronary atherosclerotic plaques obtained by directional coronary atherectomy (DCA). We performed DCA in 15 de novo native coronary stenotic lesions (15 patients) and selected one or two segments within the plaque from each patient (total 29 segments). Then, we evaluated the accuracy of the VH-IVUS findings in 50 sites among the 29 segments compared with the histopathology findings. MDCT was performed in all patients before percutaneous coronary intervention (PCI), and CT density values were measured. VH-IVUS data analysis correlated well with histopathological examination (predictive accuracy: 66.7% for fibrous, 100% for fibro-fatty, 100% for necrotic core, and 100% for dense calcium regions, respectively). In addition, CT density values between fibrous and fibro-fatty plaques classified by histopathology were 100.0 +/- 26.0 HU versus 110.4 +/- 67.9 HU, there were no difference among them (P = 0.594). These findings indicated that the validation of plaque characteristics using VH-IVUS correlates well with histopathology. While tissue characterization using CT density could be difficult to distinguish between fibro-fatty and fibrous tissue.
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