Dynamic microvascular responses with a high speed TiVi system

James O'Doherty, Paul McNamara, Barry Fitzgerald, Martin Leahy

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

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)
Original languageEnglish
Pages (from-to)509-513
JournalJournal of biophotonics
Volume4
Issue number8
Early online date13 Dec 2010
DOIs
Publication statusPublished - 1 Jun 2011

Keywords

  • tissue viability
  • polarisation spectroscopy
  • microcirculation
  • vasomotion

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