Development and clinical evaluation of noninvasive near-infrared monitoring of cerebral oxygenation

Yapa A. Wickramasinghe, Peter Rolfe, K. Palmer, S. Watkins, S. A. Spencer, M. Doyle, S. O'Brien, A. Walker, C. Rice, C. Smallpeice

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

Near infrared spectroscopy (NIRS) is a relatively new method which is suitable for monitoring oxygenation in blood and tissue in the brain of the fetus and the neonate. The technique involves in- vivo determination of the absorption of light in the wavelength range 775 to 900 nm through such tissue and converting such changes in absorbance to provide information about the changes in the concentration of oxygenated and de-oxygenated haemoglobin (HbO2 and Hb). Recent developments of the methodology now enable the calculation of changes in cerebral blood volume (CBV) as well as absolute CBV and cerebral blood flow (CBF). The attraction of this method is its applicability to monitor cerebral function in a wide variety of patient groups. Although primarily developed for neonatal use it is today applied on the fetus to investigate fetal hypoxia and on adults undergoing surgery.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsOtto S. Wolfbeis
PublisherPubl by Society of Photo-Optical Instrumentation Engineers
Pages29-37
Number of pages9
ISBN (Print)0819413526
DOIs
Publication statusPublished - 1 Feb 1994
Externally publishedYes
EventBiochemical and Medical Sensors Biochemical and Medical Sensors Biochemical and Medical Sensors - Budapest, Hung
Duration: 29 Aug 199329 Aug 1993

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume2085
ISSN (Print)0277-786X

Conference

ConferenceBiochemical and Medical Sensors Biochemical and Medical Sensors Biochemical and Medical Sensors
CityBudapest, Hung
Period29/08/9329/08/93

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