Examiner's finger-mounted fetal tissue oximetry: a preliminary report on 30 cases

Journal of Perinatal Medicine
Toshiyuki UchidaMasatsugu Niwayama

Abstract

To describe preliminary experience with a finger-mounted fetal tissue oximetry probe during the 2nd stage of labor. A total of 30 term pregnant women without pregnancy complications were recruited. We measured fetal tissue oxygen saturation (FtO2) by using a finger-mounted fetal tissue oximetry during cervical examinations in the 2nd stage of labor. The data capturing rate of FtO2 and the interclass correlation coefficient were also examined. The mean FtO2 was compared to the neonatal condition assessed by the levels of umbilical cord blood. FtO2 was obtained in all cases, regardless of wetness, hair color, the part of the fetal head that was exposed, rotation of the fetus, color of amniotic fluid, and caput succedaneum. The mean FtO2 was 65.5%±8.58% in normal neonates [Apgar score >7 (1 min), n=25]. The mean FtO2 was significantly correlated with umbilical cord arterial pH (r=0.52, P=0.0030, n=30), but not with umbilical cord arterial partial pressure of oxygen. The interclass correlation coefficient was 0.94. Tissue oxygen saturation of the fetal head was obtained easily by the examiner's finger-mounted fetal tissue oximetry.

References

Jan 1, 1994·Journal of Perinatal Medicine·E van Oudgaarden, N Johnson
Sep 1, 1994·American Journal of Obstetrics and Gynecology·G A DildyC A Loucks
Mar 1, 1997·European Journal of Obstetrics, Gynecology, and Reproductive Biology·B LangerM Laville
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Feb 1, 2011·Clinical Obstetrics and Gynecology·Gary A Dildy
Sep 21, 2011·Pediatrics·Sotirios FouzasMichael B Anthracopoulos

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Citations

Feb 9, 2017·The Journal of Obstetrics and Gynaecology Research·Mari MukaiNaohiro Kanayama
Apr 7, 2018·Journal of Perinatal Medicine·Frank A Chervenak, Laurence B McCullough
Aug 8, 2018·The Journal of Obstetrics and Gynaecology Research·Toshiyuki UchidaMasatsugu Niwayama
Aug 15, 2018·Sensors·Gerard CumminsMarc P Y Desmulliez
Jun 11, 2021·Journal of Biophotonics·Jacqueline GuntherStefan Andersson-Engels

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