The role of Doppler evaluation of the uterine artery in girls around puberty.

Abstract:

BACKGROUND:Presently, the only sonographic parameters used to follow puberty in girls are size and morphology of the uterus and ovaries. Doppler of the uterine artery appears a useful complementary parameter to follow puberty. OBJECTIVE:To determine the potential contribution of Doppler evaluation of the uterine artery in girls around puberty. MATERIALS AND METHODS:We investigated 61 healthy female volunteers aged 2-15 years (mean 10.3 years). In each girl we performed a standard pelvic transabdominal US examination, including measurement of the uterus and ovaries. Uterine arteries were visualized by colour Doppler and a pulsed signal was obtained in each patient. The blood flow velocity waveform was analysed and the pulsatility index (PI) was calculated. Growth of the uterus and ovaries was plotted against age, and the PI was compared to each of the other studied variables (age, size of uterus, volume of ovaries). RESULTS:We observed a strong negative correlation between the PI of the uterine artery and the usually studied variables. We also observed a progressive modification of the Doppler signal pattern of the uterine artery during the establishment of puberty: the narrow systolic flow waves found in prepubertal girls were progressively replaced by a systolic-diastolic flow wave. CONCLUSIONS:The demonstration of diastolic flow can confirm the onset of puberty.

journal_name

Pediatr Radiol

journal_title

Pediatric radiology

authors

Ziereisen F,Heinrichs C,Dufour D,Saerens M,Avni EF

doi

10.1007/s002470100463

keywords:

subject

Has Abstract

pub_date

2001-10-01 00:00:00

pages

712-9

issue

10

eissn

0301-0449

issn

1432-1998

journal_volume

31

pub_type

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