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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 10 — Jul. 19, 2010

Technique of fiber optics used to localize epidural space in piglets

Chien-Kun Ting and Yin Chang  »View Author Affiliations


Optics Express, Vol. 18, Issue 11, pp. 11138-11147 (2010)
http://dx.doi.org/10.1364/OE.18.011138


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Abstract

Technique of loss-of-resistance in epidural block is commonly used for epidural anesthesia in humans with approximately 90% successful rate. However, it may be one of the most difficult procedures to learn for anesthesia residents in hospital. A two-wavelength (650 nm and 532 nm) fiber-optical method has been developed according to the characteristic reflectance spectra of ex-vivo porcine tissues, which are associated with the needle insertion to localize the epidural space (ES). In an in-vivo study in piglets showed that the reflected lights from ES and its surrounding tissue ligamentum flavum (LF) are highly distinguishable. This indicates that this technique has potential to localize the ES on the spot without the help of additional guiding assistance.

© 2010 OSA

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: March 1, 2010
Revised Manuscript: April 13, 2010
Manuscript Accepted: April 19, 2010
Published: May 11, 2010

Virtual Issues
Vol. 5, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Chien-Kun Ting and Yin Chang, "Technique of fiber optics used to localize epidural space in piglets," Opt. Express 18, 11138-11147 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-18-11-11138


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