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Type: Artigo de periódico
Title: Longitudinal Reference Intervals For Doppler Velocimetric Parameters Of The Fetal Renal Artery Correlated With Amniotic Fluid Index Among Low-risk Pregnancies.
Author: Figueira, Camilla O
Surita, Fernanda G
Dertkigil, Márcia S J
Pereira, Simiran L
Bennini, João R
Morais, Sirlei S
Cecatti, José G
Abstract: To establish longitudinal reference intervals for pulsatility index (PI) and systolic velocity (SV) of the fetal renal artery, and to evaluate their correlation with the amniotic fluid index (AFI). A prospective longitudinal study was conducted among women with low-risk pregnancies who attended outpatient clinics at the University of Campinas Medical School, Brazil, at 16-19 weeks of pregnancy between April 1, 2008, and March 31, 2010. Doppler velocimetric measurements of the fetal renal artery and assessments of the AFI were undertaken at 4-week intervals to 36 weeks, and every 2 weeks thereafter until delivery. A total of 63 women were enrolled. The PI of the fetal renal artery showed little variation during pregnancy, whereas SV values increased to 36-37 weeks of pregnancy and decreased thereafter. No correlations were found between the AFI and the fetal renal artery Doppler velocimetric parameters (P>0.05 for all). The intraclass correlation coefficients for intra-observer and inter-observer variability indicated good reproducibility of SV, but the reproducibility of PI was lower. The AFI did not correlate with fetal renal artery Doppler velocimetric measures among low-risk pregnancies. However, investigations are needed among high-risk pregnancies.
Subject: Amniotic Fluid Index
Doppler Velocimetry
Fetal Renal Artery
Longitudinal Study
Low-risk Pregnancy
Reference Intervals
Citation: International Journal Of Gynaecology And Obstetrics: The Official Organ Of The International Federation Of Gynaecology And Obstetrics. v. 131, n. 1, p. 45-48, 2015-Oct.
Rights: embargo
Identifier DOI: 10.1016/j.ijgo.2015.05.010
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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