Significant reduction in umbilical artery metabolic acidosis after implementation of intrapartum ST waveform analysis of the fetal electrocardiogram
American Journal of Obstetrics and Gynecology Mar 07, 2019
Landman AJEMC, et al. - In this retrospective longitudinal study, researchers investigated how the implementation of ST waveform analysis of the fetal electrocardiogram from 2000 to 2013 influenced perinatal intervention frequency and adverse neonatal outcome. They analyzed data of a total of 19,664 medium- and high-risk singleton pregnancies with fetuses in cephalic presentation, gestational age of ≥36 weeks and the intention to deliver vaginally. Implementation of ST waveform analysis of the fetal electrocardiogram was done in the year 2000 and by 2010 all deliveries were monitored using this technology. Observations revealed that umbilical artery metabolic acidosis declined by 84% in all deliveries following the implementation of ST waveform analysis of the fetal electrocardiogram. They also noted decreases in neonatal encephalopathy rate, fetal blood sampling rate and the total number of cesarean and vaginal instrumental deliveries during this period.
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