Renal Volumes Measured by 3-Dimensional Sonography in Healthy Fetuses From 20 to 40 Weeks

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorYOSHIZAKI, Carlos Tadashi
dc.contributor.authorFRANCISCO, Rossana P. V.
dc.contributor.authorPINHO, Joao Correia de
dc.contributor.authorRUANO, Rodrigo
dc.contributor.authorZUGAIB, Marcelo
dc.date.accessioned2013-09-23T16:41:58Z
dc.date.available2013-09-23T16:41:58Z
dc.date.issued2013
dc.description.abstractObjectives-The purpose of this study was to establish reference values for fetal kidney volumes as a function of gestational age, estimated by 3-dimensional sonography using the Virtual Organ Computer-Aided Analysis (VOCAL) technique (GE Healthcare, Kretztechnik, Zipf, Austria). Methods-Volumes of right and left kidneys were assessed in 213 healthy fetuses by 3-dimensional sonography using the VOCAL technique. Inclusion criteria were healthy women with singleton pregnancies, unremarkable comprehensive fetal sonographic findings, well-known gestational age established by first-trimester sonography, and gestational ages between 20 and 40 weeks. Exclusion criteria were patients lost to follow-up and birth weight abnormalities. Each patient was scanned once during pregnancy. Regression analysis was used to calculate unified formulas. Results-The mathematical models calculated in the study were as follows: expected right kidney volume = exp[-1.01 + (0.12 x gestational age)]; and expected left kidney volume = exp[-0.90 + (0.12 x gestational age)]. No significant intraobserver or inter-observer variability was observed for the determined volumes. Conclusions-Reference values for right and left fetal kidney volumes throughout gestation using the rotational technique (VOCAL) are described. The use of this technique might aid in further definition of gestational age kidney volume standards to help in defining variations from the norm.
dc.description.indexMEDLINE
dc.description.sponsorshipCoordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
dc.identifier.citationJOURNAL OF ULTRASOUND IN MEDICINE, v.32, n.3, p.421-427, 2013
dc.identifier.issn0278-4297
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/2043
dc.language.isoeng
dc.publisherAMER INST ULTRASOUND MEDICINE
dc.relation.ispartofJournal of Ultrasound in Medicine
dc.rightsrestrictedAccess
dc.rights.holderCopyright AMER INST ULTRASOUND MEDICINE
dc.subjectfetal kidneys
dc.subject3-dimensional sonography
dc.subjectVirtual Organ Computer-Aided Analysis
dc.subjectvolumes
dc.subject.otherurinary-tract obstruction
dc.subject.otherfetal lung-volume
dc.subject.otherultrasonography
dc.subject.otherultrasound
dc.subject.othergestation
dc.subject.otheraccuracy
dc.subject.othergrowth
dc.subject.otherweight
dc.subject.wosAcoustics
dc.subject.wosRadiology, Nuclear Medicine & Medical Imaging
dc.titleRenal Volumes Measured by 3-Dimensional Sonography in Healthy Fetuses From 20 to 40 Weeks
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.affiliation.countryEstados Unidos
hcfmusp.affiliation.countryisous
hcfmusp.author.externalPINHO, Joao Correia de:Baylor Coll Med, Dept Obstet & Gynecol, Houston, TX 77030 USA; Texas Childrens Hosp, Houston, TX 77030 USA
hcfmusp.citation.scopus13
hcfmusp.contributor.author-fmusphcCARLOS TADASHI YOSHIZAKI
hcfmusp.contributor.author-fmusphcROSSANA PULCINELI VIEIRA FRANCISCO
hcfmusp.contributor.author-fmusphcRODRIGO RUANO
hcfmusp.contributor.author-fmusphcMARCELO ZUGAIB
hcfmusp.description.beginpage421
hcfmusp.description.endpage427
hcfmusp.description.issue3
hcfmusp.description.volume32
hcfmusp.origemWOS
hcfmusp.origem.pubmed23443182
hcfmusp.origem.scopus2-s2.0-84874611110
hcfmusp.origem.wosWOS:000315835900006
hcfmusp.publisher.cityLAUREL
hcfmusp.publisher.countryUSA
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hcfmusp.remissive.sponsorshipCAPES
hcfmusp.remissive.sponsorshipCAPES
hcfmusp.scopus.lastupdate2024-05-17
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