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Proceedings Paper

Postnatal changes in the cerebral oxygenation in normal and asphyxiated neonates
Author(s): Takashi Kusaka; Kenichi Isobe; Kou Kawada; Yosiki Ohtaki; Susumu Itoh; Konumu Hirao; Shoju Onishi
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Paper Abstract

Using continuous near infrared spectroscopy, we studied postnatal changes in both cerebral hemoglobin oxygen saturation (SbO2) and cerebral total hemoglobin content (THb) in normal and asphyxiated neonates. With normal neonates, THb showed a tendency to decrease within 12 hours after birth. It then remained constant until day 5 but was found to be at a lower level at 1 month after birth. The SbO2 levels remained constant for the initial 5 days but then decreased to lower levels at 1 month. THb and SbO2 levels were higher in moderately and severely asphyxiated neonates than in normal neonates. In one severely asphyxiated neonate, SbO2 was still higher even at 1 month. In another severely asphyxiated neonate, both THb and SbO2 fell after intracranial hemorrhage occurred.

Paper Details

Date Published: 1 January 1998
PDF: 11 pages
Proc. SPIE 3194, Photon Propagation in Tissues III, (1 January 1998); doi: 10.1117/12.301039
Show Author Affiliations
Takashi Kusaka, Kagawa Medical Univ. (Japan)
Kenichi Isobe, Kagawa Medical Univ. (Japan)
Kou Kawada, Kagawa Medical Univ. (Japan)
Yosiki Ohtaki, Kagawa Medical Univ. (Japan)
Susumu Itoh, Kagawa Medical Univ. (Japan)
Konumu Hirao, Kagawa Medical Univ. (Japan)
Shoju Onishi, Kagawa Medical Univ. (Japan)


Published in SPIE Proceedings Vol. 3194:
Photon Propagation in Tissues III
David A. Benaron; Britton Chance; Marco Ferrari, Editor(s)

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