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 Radioljournal_title
Pediatric radiologyauthors
Ziereisen F,Heinrichs C,Dufour D,Saerens M,Avni EFdoi
10.1007/s002470100463keywords:
subject
Has Abstractpub_date
2001-10-01 00:00:00pages
712-9issue
10eissn
0301-0449issn
1432-1998journal_volume
31pub_type
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journal_title:Pediatric radiology
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