Fetal pulse oximetry. A methodogical study

Acta Obstetricia Et Gynecologica Scandinavica
A MaeselK Marsál

Abstract

During recent years fetal pulse oximetry has been under development for use in monitoring fetal oxygenation during labor. In a methodological study we have tested the practical applicability of one type of sensor (FS-10 Oxisensor, Nellcor). Both obstetricians and midwives took active part in sensor placement. The readings of fetal arterial oxygen saturation (SpO2) were not taken into account when managing the patients. Oxygenation was monitored during labor in 96 singleton pregnancies. Mean SpO2 levels were calculated when cervical dilatation was 4-7 cm and 8-10 cm, and in the second stage of labor. Student's t-test was used for paired comparisons. A p-value<0.05 was considered significant. Of the 96 oxisensors, 91 (95%) were successfully placed. One mother felt pain which disappeared when the sensor was removed. Two of the newborns manifested an impression mark caused by the sensor, which disappeared completely within a day. No infection or increased bleeding was noted. The mean recording time was 134 minutes. SpO2-values were obtainable during 69% of the recording time. A significant fall of mean SpO2 occurred between the first and second stages of labor. The method seems to be harmless for mother and child, and allows SpO2-v...Continue Reading

Citations

Mar 20, 1998·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·I B ShacharU Elchalal
Mar 10, 2001·Journal of Perinatal Medicine·G A Dildy
Sep 30, 2000·Journal of Obstetric, Gynecologic, and Neonatal Nursing : JOGNN·M L Porter
Dec 10, 1999·Obstetrics and Gynecology Clinics of North America·H M McNamara, G A Dildy
Aug 8, 2018·The Journal of Obstetrics and Gynaecology Research·Toshiyuki UchidaMasatsugu Niwayama
Mar 14, 2000·Obstetrical & Gynecological Survey·J YamS Arulkumaran
Feb 1, 2003·Clinical Physiology and Functional Imaging·Jouko P PirhonenKarel Marsal

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