Mc Namara H, Johnson N
Department of Obstetrics and Gynaecology, Leeds General Infirmary, U.K.
J Perinat Med. 1993;21(6):475-80. doi: 10.1515/jpme.1993.21.6.475.
To see if a pulse oximeter can monitor the fetus during labour we recruited 100 Caucasian women in normal uncomplicated labour. Our primary objective was to compare the predictive value of fetal pulse oximetry and cardiotocography using neonatal condition and cord blood acidaemia or hypoxaemia at birth as outcome variables. The fetuses were monitored continuously with a pulse oximeter specifically adapted for fetal use. Five babies had an operative delivery because of an abnormal CTG. Two of these were born in good condition (Apgar score 9 at 1 minute in both cases). The other three babies were delivered in poor condition (Apgar scores of 6 & 9, 5 & 10 and 5 & 10 at 1 and 5 minutes respectively). The oxygen saturation reading only dropped significantly in babies born in poor condition and in one case the drop preempted the CTG changes. These data suggest that pulse oximetry can be adapted to monitor the fetus and has the potential to provide useful information during labour.
为了探究脉搏血氧仪能否在分娩期间监测胎儿，我们招募了100名正常无并发症分娩的白人女性。我们的主要目的是比较胎儿脉搏血氧测定法和胎心监护的预测价值，将新生儿状况以及出生时脐带血酸血症或低氧血症作为结局变量。使用专门适用于胎儿的脉搏血氧仪对胎儿进行持续监测。由于CTG异常，有5名婴儿接受了手术分娩。其中两名出生时状况良好（均在1分钟时阿氏评分9分）。另外三名婴儿出生时状况不佳（分别在1分钟和5分钟时阿氏评分为6和9、5和10、5和10）。仅出生状况不佳的婴儿血氧饱和度读数显著下降，且在1例中，该下降先于CTG变化出现。这些数据表明，脉搏血氧测定法可用于监测胎儿，并有可能在分娩期间提供有用信息。
