Fetal middle cerebral artery and umbilical artery pulsatility index: effects of maternal characteristics and medical history

Abstract

Objective To define the contribution of maternal variables which influence the measured fetal middle cerebral artery (MCA)

Variations from morning to afternoon of middle cerebral and umbilical artery blood flow, and fetal heart rate variability, and fetal characteristics in the normally developing fetus

“…These include FHR which affects waveforms of the umbilical artery on a large scale. 23 In this study, however, differences found between AM and PM in and resting states in their study was smaller than ours (4.5 cm/s vs. Moreover, active healthy fetuses have increased MCA peak systolic velocity and decreased pulsatility index compared to those at rest.…”

Biophysical and biochemical markers at 30-34 weeks' gestation in the prediction of adverse perinatal outcome

“…The measured values of UtA‐PI, UA‐PI, MCA‐PI, MAP, PlGF and sFlt‐1 were expressed as multiples of the median (MoM) after adjusting for variables from maternal characteristics and medical history that affect these measurements. Univariable and multivariable logistic regression analysis was used to determine if log 10 MoM of each biomarker had a significant contribution in predicting each adverse outcome.…”

Biophysical and biochemical markers at 35-37 weeks' gestation in the prediction of adverse perinatal outcome

“…The measured values of UtA‐PI, UA‐PI, MCA‐PI, MAP, PlGF and sFlt‐1 were expressed as multiples of the median (MoM) after adjustment for variables from maternal characteristics and medical history that affect these measurements. Univariable and multivariable logistic regression analyses were used to determine if log 10 MoM of each biomarker had a significant contribution in predicting each adverse outcome.…”