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Titolo:
Doppler studies on the fetal renal artery in the severely growth-restricted fetus
Autore:
Stigter, RH; Mulder, EJH; Bruinse, HW; Visser, GHA;
Indirizzi:
Univ Med Ctr Utrecht, Dept Obstet Neonatol & Gynaecol, NL-3508 AB Utrecht,Netherlands Univ Med Ctr Utrecht Utrecht Netherlands NL-3508 AB Utrecht,Netherlands
Titolo Testata:
ULTRASOUND IN OBSTETRICS & GYNECOLOGY
fascicolo: 2, volume: 18, anno: 2001,
pagine: 141 - 145
SICI:
0960-7692(200108)18:2<141:DSOTFR>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
AMNIOTIC-FLUID VOLUME; BLOOD-FLOW; HYPOXEMIA; CIRCULATION; RETARDATION; WAVEFORMS; GESTATION; INDEX;
Keywords:
amniotic fluid index; Doppler ultrasound; fetal growth restriction; fetal renal artery;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Stigter, RH Univ Med Ctr Utrecht, Dept Obstet Neonatol & Gynaecol, POB 85090, NL-3508 AB Utrecht, Netherlands Univ Med Ctr Utrecht POB 85090 UtrechtNetherlands NL-3508 AB
Citazione:
R.H. Stigter et al., "Doppler studies on the fetal renal artery in the severely growth-restricted fetus", ULTRASOUN O, 18(2), 2001, pp. 141-145

Abstract

Objectives To examine changes with time in the fetal renal circulation by,Doppler sonography in the severely growth-restricted preterm fetus during the period of gradual deterioration prior to delivery, and to examine the relationship between Doppler measurements, amniotic fluid index, birth weight and fetal condition at birth. Methods This was a prospective observational study in 16 preterm growth-restricted fetuses between 26 and 35 weeks of gestational age. Serial Dopplermeasurements were made of the renal artery, umbilical artery, middle cerebral artery, and ductus venosus. Results The pulsatility index in the renal artery did not show any correlation with cord blood pH, birth weight or amniotic fluid index corrected forgestational age (Delta /SDAFI). However, peak systolic velocities in the renal artery showed a significant reduction with time (n = 7, P < 0.05) and a significant correlation with: venous cord pH at delivery (n = 12, r = 0.84, P < 0.001), Delta /SDAFI (n = 16, r = 0.67, P< 0.01), and birth weight (n = 16, r = 0.61, P < 0.02). Birth weight correlated significantly with: Delta /SDAFI (n = 15, r = 0.57, P < 0.05), pulsatility index values of the middle cerebral artery (n = 15, r = -0.61, P < 0.02), and pulsatility index values of the ductus venosus (n = 16, r = 0.55, P < 0.05), and <Delta>/SDAFIcorrelated significantly with: pulsatility index values of the ductus venosus (n = 15, r = 0.51, P < 0.05) and arterial cord pH values at delivery, (n = 8, r = 0.78, P < 0.05). Conclusions Progressive redistribution of the circulation occurs with deterioration of the fetal condition in the growth-restricted Preterm fetus. Onspectral Doppler this is reflected by changes in peak systolic velocities,but not by changes in pulsatility values of the fetal renal artery waveforms.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/12/20 alle ore 07:04:28