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产时胎儿监护的主要目的是发现胎儿在分娩过程中有无缺氧,对胎儿宫内状况进行及时诊断并预测新生儿结局。随着围生医学的深入发展,监测仪器和技术的不断更新,对胎儿监护的手段越来越多,但目前还没有一种满意的方法能准确诊断胎儿窘迫。胎儿脉冲血氧测定法是近年国外兴起的一种新的产时胎儿监护方法,该方法可在产程中连续对胎儿进行血氧饱和度监测,及时发现胎儿缺氧。本文对胎儿脉冲血氧定量法的原理、发展及临床研究进展作一介绍。
The main purpose of the fetus during labor is to find out whether the fetus has hypoxia during childbirth, make timely diagnosis on the status of the fetus and predict the outcome of the newborn. With the further development of perinatal medicine, the continuous updating of monitoring instruments and techniques and the increasing use of means of fetus monitoring, no satisfactory method is yet available to accurately diagnose fetal distress. Fetal pulse oximetry is a new method of birth-time fetus monitoring which is emerging overseas in recent years. This method can monitor the oxygen saturation of the fetus continuously in the labor process and find out the fetal hypoxia in time. This article introduces the principle, development and clinical research progress of fetal pulse oximetry.