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Laser Doppler perfusion monitoring and imaging: Novel approaches
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för datavetenskap, PELAB - Laboratoriet för programmeringsomgivningar.
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för medicinsk teknik, Biomedicinsk instrumentteknik.ORCID-id: 0000-0002-7299-891X
2007 (engelsk)Inngår i: Medical and Biological Engineering and Computing, ISSN 0140-0118, E-ISSN 1741-0444, Vol. 45, nr 5, s. 421-435Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2007. Vol. 45, nr 5, s. 421-435
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URN: urn:nbn:se:liu:diva-38013DOI: 10.1007/s11517-007-0170-5Lokal ID: 41109OAI: oai:DiVA.org:liu-38013DiVA, id: diva2:258862
Tilgjengelig fra: 2009-10-10 Laget: 2009-10-10 Sist oppdatert: 2021-12-28

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