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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 14 — Jul. 5, 2010
  • pp: 15054–15061

Real-time assessment of renal cortical microvascular perfusion heterogeneities using near-infrared laser speckle imaging

Rick Bezemer, Matthieu Legrand, Eva Klijn, Michal Heger, Ivo C. J. H. Post, Thomas M. van Gulik, Didier Payen, and Can Ince  »View Author Affiliations


Optics Express, Vol. 18, Issue 14, pp. 15054-15061 (2010)
http://dx.doi.org/10.1364/OE.18.015054


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Abstract

Laser speckle imaging (LSI) is able to provide full-field perfusion maps of the renal cortex and allows quantification of the average LSI perfusion within an arbitrarily set region of interest and the recovery of LSI perfusion histograms within this region. The aim of the present study was to evaluate the use of LSI for mapping renal cortical microvascular perfusion and to demonstrate the capability of LSI to assess renal perfusion heterogeneities. The main findings were that: 1) full-field LSI measurements of renal microvascular perfusion were highly correlated to single-point LDV measurements; 2) LSI is able to detect differences in reperfusion dynamics following different durations of ischemia; and 3) renal microvascular perfusion heterogeneities can be quantitatively assessed by recovering LSI perfusion histograms.

© 2010 OSA

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: March 11, 2010
Revised Manuscript: May 6, 2010
Manuscript Accepted: May 12, 2010
Published: June 30, 2010

Virtual Issues
Vol. 5, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Rick Bezemer, Matthieu Legrand, Eva Klijn, Michal Heger, Ivo C. J. H. Post, Thomas M. van Gulik, Didier Payen, and Can Ince, "Real-time assessment of renal cortical microvascular perfusion heterogeneities using near-infrared laser speckle imaging," Opt. Express 18, 15054-15061 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-14-15054


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