pulsatility index


Also found in: Acronyms.

pul·sa·til·i·ty in·dex

calculation of Doppler measurements of systolic and diastolic velocities in the uterine, umbilical, or fetal circulations.

pulsatility index

[pul′sətil′itē]
a measure of the variability of blood velocity in a vessel, equal to the difference between the peak systolic and minimum diastolic velocities divided by the mean velocity during the cardiac cycle.
References in periodicals archive ?
3) visit (weeks) (n = 5,510) Uterine artery pulsatility index 0.
10] exposure during the prior 2 months and from the time of conception was associated with a significantly lower umbilical artery pulsatility index in the second trimester (differences, -0.
08) Values are regression coefficients and reflect the difference in SD score of uterine and umbilical artery pulsatility index per 10-pg/[m.
Second-trimester uterine artery Doppler pulsatility index and maternal serum PP13 as markers of pre-eclampsia.
total caval flow pulsatility index (TCPI), which integrates the instantaneous fluctuation of total caval flow from its mean along the respiration cycle.
Likewise, the pulsatility of the individual caval flows were quantified using the index named as caval pulsatility index (CPI),
Comparison of traditional and proposed time-integral pulsatility index evaluation indicated that six out of nine Fontan cavo-pulmonary waveforms fall outside the correlation with 95% confidence interval (Fig.
The Stener-Victorin electrostimulation protocol--which has been shown to reduce high uterine artery blood flow impedence, or pulsatility index (Hum.
Two of the four studies that addressed pulsatility as a measure of blood flow showed that [alpha]-1 agonists were associated with a transient increase in the pulsatility index, but this effect did not appear to affect fetal outcomes.
Normal values of pulsatility index from fetal vessels: a cross-sectional study on 1556 healthy fetuses.
The only patient who failed to conceive could not be stimulated to produce an endometrial lining of more than 8 mm, despite a drop in her pulsatility index.