Detection of obstructions in venous blood flow

A Agahi, PE Ward, W.George Kernohan, RAB Mollan

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Abstract

Following any surgical procedure on an anaesthetised patient there is a significant risk of a blood clot forming within the venous system. This is known as a 'Deep Venous Thrombosis' D.V.T. If part of this clot breaks free (to form an embolus) it can lodge in a major lung vessel with potentially lethal consequences. It is now realised that the clinical detection of these clots is very unreliable and a simple non-invasive method of detection would be of great value. The present methods of diagnosis include venography, which is very reliable: but traumatic for the patient. Impedance Plethysmography, although non-invasive
is not as reliable.

This presentation reviews current methods of detection and identifies the requirements for a method based on reliability, accuracy and simplicity for routine use.

We have developed a system, which we envisage will meet these specifications. The benefits of this device will be discussed and results compared with those of conventional methods.
Original languageEnglish
Title of host publicationProceedings of 25th Anniversary Conference
Subtitle of host publicationTechnology in Health Care
EditorsGH Byford
Place of PublicationLondon
Pages23-24
Number of pages2
Publication statusPublished - Sep 1985
Event25th Anniversary Conference of Biological Engineering Society: Technology in Health Care - Cambridge, United Kingdom
Duration: 1 Sep 1985 → …

Conference

Conference25th Anniversary Conference of Biological Engineering Society
Abbreviated titleProc 25th Anniv Conf BES
CountryUnited Kingdom
CityCambridge
Period1/09/85 → …

Keywords

  • Deep vein thrombosis
  • Blood flow

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