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Laser Doppler perfusion monitoring and imaging: Novel approaches
Linköping University, The Institute of Technology. Linköping University, Department of Computer and Information Science, PELAB - Programming Environment Laboratory.
Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation.
2007 (English)In: Medical and Biological Engineering and Computing, ISSN 0140-0118, E-ISSN 1741-0444, Vol. 45, no 5, 421-435 p.Article in journal (Refereed) Published
Abstract [en]

Laser Doppler flowmetry (LDF) is a non invasive method enabling the monitoring of microvascular blood flow, a very important marker of tissue health. This article gives an overview on the concept of LDF for microvascular perfusion monitoring and imaging. It first describes the theoretical background of the technique. Then, the benefits of LDF signal processing are shown through clinical examples: use of time-frequency representations and wavelets. Afterwards, the paper introduces novel approaches of velocity components. For that purpose, a work providing the determination of the velocities relative contribution in physiologically relevant units (mm/s) is presented. Imaging perfusion is also reviewed through methods based on laser speckle. The most prominent disadvantage of the latter devices being the time needed to produce a perfusion image, solutions are proposed in the last part of the paper. © International Federation for Medical and Biological Engineering 2007.

Place, publisher, year, edition, pages
2007. Vol. 45, no 5, 421-435 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-38013DOI: 10.1007/s11517-007-0170-5Local ID: 41109OAI: oai:DiVA.org:liu-38013DiVA: diva2:258862
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-12-13

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Strömberg, Tomas

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