[The value of continuous wave Doppler ultrasound in risk pregnancy-intrauterine growth retardation and pregnancy-induced hypertension].
To evaluate the frequency of abnormal doppler results in pregnancies complicated by placental insufficiency, flow waveforms of 100 patients with documented intrauterine growth retardation--birthweight below the 10th percentile--were analysed. Uterine, arcuate and umbilical artery velocimetry were performed by means of a continuous wave Doppler ultrasound. Neither the range of serial examination nor the interval between last prepartal doppler test und delivery showed influence on the doppler results. Compared to normal pregnancy, a significant increase of diastolic notching and incomplete registration of maternal vessels were found. Using 90th percentile as cut-off limit last doppler examination before delivery showed pathological results in 76% of all cases with growth retardation and 90% of pregnancies with an additional risk of pregnancy induced hypertension. As pathological waveforms in the maternal compartment contribute a major part to abnormal velocity waveforms, doppler study of utero-placental vessels plays an important role in the diagnose of impaired persuasion of the placenta.
Hütter
W
W
Frauenklinik Kreiskrankenhaus Böblingen.
Grab
D
D
Schneider
D
D
Terinde
R
R
Wolf
A
A
D001783:Blood Flow Velocity / Q000502:physiology; D005260:Female; D005317:Fetal Growth Retardation / Q000000981:diagnostic imaging* / Q000401:mortality / Q000503:physiopathology; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange / Q000502:physiology*; D007752:Obstetric Labor, Premature / Q000000981:diagnostic imaging / Q000401:mortality / Q000503:physiopathology; D010927:Placental Insufficiency / Q000000981:diagnostic imaging* / Q000401:mortality / Q000503:physiopathology; D011225:Pre-Eclampsia / Q000000981:diagnostic imaging* / Q000401:mortality / Q000503:physiopathology; D011247:Pregnancy; D012307:Risk Factors; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D015996:Survival Rate; D016216:Ultrasonography, Prenatal / Q000295:instrumentation*; D014599:Uterus / Q000098:blood supply