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EnglishResults of B-mode imaging of extracranial carotid arteries in patients selected for surgery as compared with histologic results. Observations of the samples obtained by endarterectomy. Shrinkage effects of the histologic samples were taken into consideration. Several bidimensional images of atherosclerotic lesions, as obtained by ultrasound at different incident angles, were used to establish their maximum thickness. The maximum degree of the vessel stenosis calculated by ultrasound showed a high correlation (Y = 0.47X + 42.4, se = 0.11, r = 0.5, p less than 0.001) compared with the one obtained by histology. The imaging methodology provided however, a mean overestimation of the stenosis of about 7%. Relationships among the amount of calcium (p less than 0.03); necrotic core p less than 0.056); and echogenic types, ie, soft, mixed, and hard; have been suggested by a statistical trend. The results suggest the ability of B-mode to look at the morphological appearance of the carotid atherosclerotic lesions
Bianciardi, G., V. Attino M., S., C., S., P., T., G., W., U., S., et al. (1990). "In vivo" qualitative evaluation of human carotid arteries: image processing of B-mode ultrasound images. In 56th European Atherosclerosis Society Meeting (pp.25-25).
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| Titolo: | "In vivo" qualitative evaluation of human carotid arteries: image processing of B-mode ultrasound images |
| Autori: | |
| Anno: | 1990 |
| Citazione: | Bianciardi, G., V. Attino M., S., C., S., P., T., G., W., U., S., et al. (1990). "In vivo" qualitative evaluation of human carotid arteries: image processing of B-mode ultrasound images. In 56th European Atherosclerosis Society Meeting (pp.25-25). |
| Abstract: | Results of B-mode imaging of extracranial carotid arteries in patients selected for surgery as compared with histologic results. Observations of the samples obtained by endarterectomy. Shrinkage effects of the histologic samples were taken into consideration. Several bidimensional images of atherosclerotic lesions, as obtained by ultrasound at different incident angles, were used to establish their maximum thickness. The maximum degree of the vessel stenosis calculated by ultrasound showed a high correlation (Y = 0.47X + 42.4, se = 0.11, r = 0.5, p less than 0.001) compared with the one obtained by histology. The imaging methodology provided however, a mean overestimation of the stenosis of about 7%. Relationships among the amount of calcium (p less than 0.03); necrotic core p less than 0.056); and echogenic types, ie, soft, mixed, and hard; have been suggested by a statistical trend. The results suggest the ability of B-mode to look at the morphological appearance of the carotid atherosclerotic lesions |
| Handle: | http://hdl.handle.net/11365/42810 |
| Appare nelle tipologie: | 4.2 Abstract in Atti di convegno |
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