Normal fetal urine production rate estimated with 3-dimensional ultrasonography using the rotational technique (virtual organ computer-aided analysis)

Touboul, Cyril; Boulvain, Michel; Picone, Olivier; Levaillant, Jean-Marc; Frydman, René; Senat, Marie-Victoire

doi:10.1016/j.ajog.2007.12.012

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Title		Normal fetal urine production rate estimated with 3-dimensional ultrasonography using the rotational technique (virtual organ computer-aided analysis)
Authors		Touboul, Cyril Boulvain, Michel Picone, Olivier Levaillant, Jean-Marc Frydman, René Senat, Marie-Victoire
Published in		American Journal of Obstetrics and Gynecology. 2008, vol. 199, no. 1, p. 57.e1-5
Abstract		OBJECTIVE: The aim of this study was to assess hourly fetal urine production rates (HFUPRs) and establish a nomogram by measuring bladder volumes with 3-dimensional ultrasound. STUDY DESIGN: Fetal urine bladder volume was estimated in 167 normal singleton pregnancies with neither oligohydramnios nor polyhydramnios, at a gestational age of 20-41 weeks. HFUPR was estimated in a regression analysis that included at least 3 volumes calculated during the filling phase with the Virtual Organ Computed-aided AnaLysis (VOCAL) technique. We estimated interoperator variability for HFUPR less than 10 mL/h and HFUPR greater than 10 mL/h. RESULTS: Fetal urine production rates at 25, 30, 35, and 40 weeks were 7.5, 22.2, 56.1, and 125.1 mL/h, respectively. The intraclass correlation coefficients for interoperator variability were 99.2% for HFUPR less than 10 mL/hour and 97.1% for HFUPR greater than 10 mL/h. CONCLUSION: Prenatal measurement of HFUPR with 3-dimensional VOCAL ultrasound is reproducible and may help to determine the cause and prognosis of amniotic fluid volume abnormalities.
Keywords		Adult — Amniotic Fluid/ultrasonography — Female — Fetus/physiology — Gestational Age — Humans — Image Processing, Computer-Assisted/methods — Imaging, Three-Dimensional — Observer Variation — Oligohydramnios/ultrasonography — Polyhydramnios/ultrasonography — Pregnancy — Reproducibility of Results — Ultrasonography, Prenatal/methods — Urine
Identifiers		DOI: 10.1016/j.ajog.2007.12.012 PMID: 18295175
Full text		Article (Accepted version) (277 Kb) - Limited access to UNIGE
Structures		Faculté de médecine / Section de médecine clinique / Département de pédiatrie, gynécologie et obstétrique
Citation (ISO format)		TOUBOUL, Cyril et al. Normal fetal urine production rate estimated with 3-dimensional ultrasonography using the rotational technique (virtual organ computer-aided analysis). In: American Journal of Obstetrics and Gynecology, 2008, vol. 199, n° 1, p. 57.e1-5. doi: 10.1016/j.ajog.2007.12.012 https://archive-ouverte.unige.ch/unige:1835

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Normal fetal urine production rate estimated with 3-dimensional ultrasonography using the rotational technique (virtual organ computer-aided analysis)