Department of Obstetrics and Gynecology, Maternal Fetal Unit, Meir Medical Center, Kfar Saba, affiliated with Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
Am J Obstet Gynecol. 2012 May;206(5):412.e1-5. doi: 10.1016/j.ajog.2011.12.015. Epub 2011 Dec 22.
Intrauterine pressure catheter (IUPC) is the primary device used to evaluate uterine activity. In contrast to the IUPC, electrical uterine myography (EUM) enables noninvasive measurement of frequency, intensity, and tone of contractions. The aim of this study was to determine the accuracy of EUM compared to IUPC.
EUM measured myometrial electrical activity using a multichannel amplifier and a noninvasive position sensor. In all, 47 women in labor were monitored simultaneously with an IUPC and EUM. We compared the frequency, intensity, and tone of uterine contractions between the methods.
The correlation of the frequency, intensity, and tone of contractions between uterine electromyography and IUPC was strong with significant r values of 0.808-1 (P < .0001).
Electrical uterine electromyography yields information about uterine contractility comparable to that obtained with IUPC.
宫腔压力导管（IUPC）是评估子宫活动的主要设备。与 IUPC 相比，电子宫肌描记术（EUM）能够无创测量收缩的频率、强度和张力。本研究旨在确定 EUM 与 IUPC 的准确性。
EUM 使用多通道放大器和非侵入性位置传感器测量子宫平滑肌的电活动。共有 47 名分娩妇女同时接受 IUPC 和 EUM 监测。我们比较了两种方法测量的子宫收缩频率、强度和张力。
子宫肌电图与 IUPC 测量的收缩频率、强度和张力之间具有很强的相关性，r 值为 0.808-1（P<0.0001）。
电子宫肌描记术可提供与 IUPC 相似的子宫收缩力信息。
