NDLI: Description of tissue condition by ischaemia with the assistance of acoustic parameters

Content Provider	IEEE Xplore Digital Library
Author	Jenderka, K.-V. Schultz, M. Gartner, T. Schneider, H. Richter, K.-P. Millner, R.
Copyright Year	1995
Description	Author affiliation: Inst. for Med. Phys. & Biophys., Martin-Luther-Univ., Halle-Wittenberg, Germany (Jenderka, K.-V.)
Abstract	During ischaemia the tissue of organs undergoes progressive changes in the physiological state of the cells. After a critical time the tissue is in a condition where resuscitation is no longer possible. Monitoring of the condition of the tissue and the cells is of great practical interest for evaluating the probability of successful revival of the organ. The damage of cells and tissue structure changes the elasto-acoustic properties of the tissue. These modifications generated by ischaemic stress can be detected by ultrasound spectroscopy measurements. The ischaemic tolerance of canine liver, which has been perfused with protective solution, was investigated. The tissue condition in dependence on ischaemic time may be described by means of acoustic parameters, such as the relative backscattering coefficient and the frequency dependent attenuation. A dependence of these parameters upon the ischaemic time was found. The ultrasound spectroscopy method provides the possibility to describe the condition of organ tissue and the ischaemic tolerance, for example at transplantations. The application is simple and without any hazard to the tissue.
Starting Page	1181
Ending Page	1184
File Size	246609
Page Count	4
File Format	PDF
ISBN	0780329406
ISSN	10510117
DOI	10.1109/ULTSYM.1995.495771
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultrasonic imaging Spectroscopy Biomedical monitoring Condition monitoring Acoustic signal detection Acoustic measurements Stress measurement Ultrasonic variables measurement Liver Protection
Content Type	Text
Resource Type	Article

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