The uterine arteries
were bilaterally ligated (by 2-0 surgical silk) close to the splitting region of the uterine horns.
Feasibility studies presented at the meeting suggested that it may be possible to temporarily clamp the uterine arteries
by using a nonincisional vaginal approach, avoiding both the postprocedure pain caused by UAE and the surgical risks of laparoscopic clipping.
The study shows major colour Doppler changes in umbilical and uterine arteries
of hypertensive pregnant women compared to normotensives.
It has been shown that in humans, both uterine arteries
have a significant number of branches and that each supply the corresponding side of the uterus.
In lateral placenta, uterine artery closer to it has lower resistance than the one opposite to it while in central placenta both uterine arteries
demonstrate similar resistance so the uteroplacental blood flow needs are met by equal contribution from both uterine arteries
The flow velocity waveforms on the right and left uterine arteries
were taken, when 3 or 4 waves of equal height were seen, the image was frozen and Doppler indices were obtained directly from the machine.
Doppler flow velocity analysis can be valuable in solving this problem, by examining uterine arteries
(Uteroplacental circulation), umbilical arteries (Feto-placental circulation) and middle cerebral artery (Fetal-circulation).
(2) But in pregnancy, especially after 20 weeks, ovarian arteries carry as much blood as uterine arteries
. (2) The increased blood flow through the uterine vessels is elicited by Doppler ultrasonography.
We have evaluated the uterine arteries
on both sides.
This part of the fallopian tube is 1-2 cms in length and 0.7 cm in width which is supplied by Sampson's artery, which is connected to both the ovarian and the uterine arteries
Although primarily used for laceration of uterine arteries
, it can also be used for bleeding due to other etiologies.
The precise mechanism of pre-eclampsia remains unclear, however, studies have shown that it is associated with failure of trophoblastic invasion of the maternal spiral arteries, leading to increased vascular resistance of the uterine arteries
and decreased uteroplacental blood flow4,5.