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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 13 — Dec. 2, 2009

Portable optical tissue flow oximeter based on diffuse correlation spectroscopy

Yu Shang, Youquan Zhao, Ran Cheng, Lixin Dong, Daniel Irwin, and Guoqiang Yu  »View Author Affiliations

Optics Letters, Vol. 34, Issue 22, pp. 3556-3558 (2009)

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A portable diffuse correlation spectroscopy (DCS) flowmeter has been extended to measure both tissue blood flow and oxygenation (namely, DCS flow oximeter). For validation purposes, calf muscle blood oxygenation during cuff inflation and deflation was measured concurrently using the DCS flow oximeter and a commercial tissue oximeter. The oxygenation traces from the two measurements exhibited similar dynamic responses, and data were highly correlated ( r mean > 0.9 , P < 10 5 , n = 10 ) . The portable, inexpensive, and easy-to-use DCS flow oximeter holds promise for bedside monitoring of tissue blood flow and oxygenation in clinics.

© 2009 Optical Society of America

OCIS Codes
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.6480) Medical optics and biotechnology : Spectroscopy, speckle

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: June 19, 2009
Revised Manuscript: September 8, 2009
Manuscript Accepted: October 7, 2009
Published: November 12, 2009

Virtual Issues
Vol. 4, Iss. 13 Virtual Journal for Biomedical Optics

Yu Shang, Youquan Zhao, Ran Cheng, Lixin Dong, Daniel Irwin, and Guoqiang Yu, "Portable optical tissue flow oximeter based on diffuse correlation spectroscopy," Opt. Lett. 34, 3556-3558 (2009)

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