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Journal of Biomedical Optics

In vivo measurement of the pressure signal in the intervertebral disc of an anesthetized sheep
Author(s): Paulo Roriz; João Ferreira; Jose C. Potes; Maria T. Oliveira; Orlando Frazão; José Luís Campos Oliveira Santos; Jose A. Simoes
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Paper Abstract

The purpose of the present study was to measure the intradiscal pressure signal of an anesthetized sheep under spontaneous breathing. An ultra-miniature fiber optic high-pressure sensor was implanted into the nucleus pulposus of the fifth lumbar intervertebral using a dorsolateral transforaminal approach. Results suggested the periodicity of the intradiscal pressure signal was similar to the mean respiratory rate of the animal. The average resting intradiscal pressure was also calculated and compared to available data.

Paper Details

Date Published: 31 March 2014
PDF: 7 pages
J. Biomed. Opt. 19(3) 037006 doi: 10.1117/1.JBO.19.3.037006
Published in: Journal of Biomedical Optics Volume 19, Issue 3
Show Author Affiliations
Paulo Roriz, INESC Porto (Portugal)
João Ferreira, INESC Porto (Portugal)
Jose C. Potes, Univ. de Évora (Portugal)
Maria T. Oliveira, Univ. de Évora (Portugal)
Orlando Frazão, INESC Porto (Portugal)
José Luís Campos Oliveira Santos, Univ. do Porto (Portugal)
Jose A. Simoes, Univ. de Aveiro (Portugal)


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