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Long term monitoring of blood flow at multiple depths – observations of changes
Mälardalen University, School of Innovation, Design and Engineering. (IS)
Mälardalen University, School of Innovation, Design and Engineering. (IS)ORCID iD: 0000-0001-8704-402X
Mälardalen University, School of Innovation, Design and Engineering. (IS)ORCID iD: 0000-0003-1940-1747
2012 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Detecting reduced circulation, which is a major factor in the development of pressure ulcers, can be done using optical methods. PPG and LDF can be combined and used to evaluate blood flow at different depths. In this study the use of a probe combining PPG and LDF to monitor multiple tissue depths is evaluated. The effects on blood flow and temperature without additional provocation was examined. Measurements were performed during 60 min and the use of an active probe was compared with the use of a semi-active probe turned off a major part of the time. Changes in temperature and blood flow using these probe configurations (active and semi-active probe) are compared; four different 5 min segments during a 60 min measurement. A general increase in both temperature and blood flow is found but this increase could not be concluded to occur due to the light sources of the probe.

Place, publisher, year, edition, pages
2012.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:mdh:diva-17468OAI: oai:DiVA.org:mdh-17468DiVA: diva2:579799
Conference
9th International Conference on Wearable Micro and Nano Technologies for Personalized Health, (pHealth2012), 26-28 June, Porto
Available from: 2012-12-20 Created: 2012-12-20 Last updated: 2013-12-03Bibliographically approved

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CiteExportLink to record
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