Reference Ranges for 2-Dimensional Sonographic Lung Measurements in Healthy Fetuses A Longitudinal Study

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dc.contributor.author Werneck Britto, Ingrid Schwach
dc.contributor.author Araujo Junior, Edward [UNIFESP]
dc.contributor.author Sangi-Haghpeykar, Haleh
dc.contributor.author Silva Bussamra, Luiz Claudio
dc.contributor.author Deter, Russell L.
dc.contributor.author Belfort, Michael A.
dc.contributor.author Lee, Wesley
dc.contributor.author Ruano, Rodrigo
dc.date.accessioned 2016-01-24T14:38:10Z
dc.date.available 2016-01-24T14:38:10Z
dc.date.issued 2014-11-01
dc.identifier http://dx.doi.org/10.7863/ultra.33.11.1917
dc.identifier.citation Journal of Ultrasound in Medicine. Laurel: Amer Inst Ultrasound Medicine, v. 33, n. 11, p. 1917-1923, 2014.
dc.identifier.issn 0278-4297
dc.identifier.uri http://repositorio.unifesp.br/handle/11600/38445
dc.description.abstract Objectives the purpose of this study was to establish reference ranges for 2-dimensional sonographic measurements of fetal lungs from longitudinal data.Methods A total of 214 fetal lung measurements were longitudinally evaluated in 62 healthy fetuses between 20 and 36 weeks' menstrual age. Both right and left lung areas were measured in the heart 4-chamber view using lung area tracing and axis diameter methods. Multilevel modeling was used to evaluate the expected values and variability with respect to menstrual age and to generate reference ranges for the lung area, lung-to-head ratio, quantitative lung index, and observed-to-expected lung-to-head ratio for both lungs.Results the expected values varied with menstrual age for all parameters. Variance was menstrual age dependent for all parameters except the longest diameter area measurements and their lung-to-head ratios.Conclusions Models are presented for expected 2-dimensional sonographic lung size parameters and their variance as a function of menstrual age. These data have been used to generate age-specific reference ranges for both measurements and indices. en
dc.format.extent 1917-1923
dc.language.iso eng
dc.publisher Amer Inst Ultrasound Medicine
dc.relation.ispartof Journal of Ultrasound in Medicine
dc.rights Acesso restrito
dc.subject congenital diaphragmatic hernia en
dc.subject fetal lung en
dc.subject fetal lung area en
dc.subject lung-to-head ratio en
dc.subject obstetric ultrasound en
dc.subject prenatal diagnosis en
dc.subject pulmonary hypoplasia en
dc.subject sonography en
dc.title Reference Ranges for 2-Dimensional Sonographic Lung Measurements in Healthy Fetuses A Longitudinal Study en
dc.type Artigo
dc.contributor.institution Med Sci Coll Santa Casa São Paulo
dc.contributor.institution Universidade Federal de São Paulo (UNIFESP)
dc.contributor.institution Baylor Coll Med
dc.contributor.institution Texas Childrens Hosp Fetal Ctr
dc.description.affiliation Med Sci Coll Santa Casa São Paulo, Dept Obstet & Gynecol, São Paulo, Brazil
dc.description.affiliation Universidade Federal de São Paulo, Dept Obstet, São Paulo, Brazil
dc.description.affiliation Baylor Coll Med, Dept Obstet & Gynecol, Div Maternal Fetal Med, Houston, TX 77030 USA
dc.description.affiliation Texas Childrens Hosp Fetal Ctr, Houston, TX USA
dc.description.affiliationUnifesp Universidade Federal de São Paulo, Dept Obstet, São Paulo, Brazil
dc.identifier.doi 10.7863/ultra.33.11.1917
dc.description.source Web of Science
dc.identifier.wos WOS:000343794400005



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