Non-invasive optical monitoring of cerebral blood oxygenation in the foetus and newborn: preliminary investigation

F. Faris, P. Rolfe, M. Thorniley, Y. Wickramasinghe, R. Houston, M. Doyle, S. O'Brien

Research output: Contribution to journalArticlepeer-review

Abstract

Near infra-red spectroscopy was applied as a non-invasive and continuous technique for the in vivo monitoring of blood and tissue oxygenation in human neonates. Monitoring of cerebral blood oxygenation in the wavelength range 775-904 nm was carried out on preterm infants after inducing a transient mild hypoxic change; the measurements were performed either by the transmission or reflection (backscattering) mode of monitoring. The results of these investigations were used to assess the application of the technique to foetal monitoring. A series of foetal monitoring studies was performed to investigate the influence of maternal contractions on foetal cerebral blood oxygenation. Although only changes in haemoglobin concentration can be monitored at present, the results suggest that near infra-red monitoring could provide a non-invasive, real-time monitoring method in intensive neonatal and intrapartum care. © 1992.
Original languageEnglish
Pages (from-to)303-306
Number of pages3
JournalJournal of Biomedical Engineering
Volume14
Issue number4
Publication statusPublished - Jul 1992

Keywords

  • foetal monitoring
  • Near infra-red
  • spectroscopy

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