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Dynamic microvascular responses with a high speed TiVi imaging system
Author(s) -
O'Doherty Jim,
McNamara Paul M.,
Fitzgerald Barry W.,
Leahy Martin J.
Publication year - 2011
Publication title -
journal of biophotonics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.877
H-Index - 66
eISSN - 1864-0648
pISSN - 1864-063X
DOI - 10.1002/jbio.201000112
Subject(s) - biomedical engineering , computer science , medicine , neuroscience , biology
TiVi technology presents a high resolution, low speed methodology for imaging microcirculation. Recently, the TiVi system was adapted to produce a high speed system capable of analysing dynamic responses from human tissues at a frame rate of 30 frames per second. We present results based on this system by investigating dynamic responses such as arterial pulsations both from a controlled flow model and in vivo tissue sites. We also quantify the effects of sympathetic vasomotion, a biological effect which is evident in many tissue sites, and show that the effects of arterial pulsations and vasomotion on the resulting TiVi time traces are easily determined. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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