Ultrasonic Tissue Characterization of Blood Clots
| Autor: | Ernest J. Feleppa, Jeffery Justin, Joanne Hui, Frederic L. Lizzi, J Machi, T Kurohiji, T. Kikuchi, Vanlila K. Swami, Macke Consigny, Bernard Sigel |
|---|---|
| Rok vydání: | 1990 |
| Předmět: |
Pathology
medicine.medical_specialty In Vitro Techniques Fibrin medicine Humans Thrombus Blood Coagulation Ultrasonography biology business.industry Spectrum Analysis Ultrasound Models Cardiovascular Thrombosis Tissue characterization medicine.disease biology.protein Surgery Ultrasonic sensor Spectrum analysis business circulatory and respiratory physiology Biomedical engineering Treatment monitoring |
| Zdroj: | Surgical Clinics of North America. 70:13-29 |
| ISSN: | 0039-6109 |
| Popis: | Ultrasonic tissue characterization based on an analysis of the power spectrum of backscattered signals obtained with ultrasound was used to distinguish morphologic components of blood clots. The three morphologic features for which discrimination was attempted were loose fibrin, red-cell, and dense fibrin clots. The UTC was able to distinguish the morphologic blood components tested. This in vitro work was based on the analysis of parameters related to ultrasound-tissue interaction and on inferences related to the physical properties of scatterer properties (scatterer size, scatterer concentration, and ratio of scatterer to medium acoustic impedances). The ability to distinguish these blood-clot components suggests that UTC may be able to distinguish red from white thrombi and to assess the structures and changes within thrombi associated with the age of the thrombus, their mechanical properties, and treatment monitoring. |
| Databáze: | OpenAIRE |
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