Nomogram of fetal upper arm volume by three-dimensional ultrasound using extended imaging virtual organ computer-aided analysis (XI VOCAL)

Nomogram of fetal upper arm volume by three-dimensional ultrasound using extended imaging virtual organ computer-aided analysis (XI VOCAL)

Author Cavalcante, Rafael Oliveira Autor UNIFESP Google Scholar
Araujo Junior, Edward Autor UNIFESP Google Scholar
Machado Nardozza, Luciano Marcondes Autor UNIFESP Google Scholar
Rolo, Liliam Cristine Autor UNIFESP Google Scholar
Moron, Antonio Fernandes Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Abstract Aim: To define the reference range of the fetal upper arm volume by three-dimensional (3D) ultrasound using the eXtended Imaging Virtual Organ Computer-aided AnaLysis (XI VOCAL) method.Methods: This prospective, cross-sectional study enrolled 425 healthy pregnant women with 20-40 weeks of gestation. the XI VOCAL technique was used for the volumetric calculations, considering 10 sequential sectional plane areas, performed along the axial plan of the fetal upper arm. the proximal and distal epiphyses were the beginning and final reference. Second degree polynomial regression models were created to evaluate the correlation between the volume of the fetal arm and the gestational age (GA), determining the 5(th), 10(th), 25(th), 50(th), 75(th), 90(th) and 95(th) corresponding percentiles. the intraclass correlation coefficient (ICC) was used to evaluate the intra-and interobserver reproducibility.Results: the mean fetal upper arm volume ranged from 4.59 +/- 1.18 (3.10-7.40 cm(3)) to 53.87 +/- 10.72 cm(3) (40.30-76.60 cm(3)). the fetal upper arm volume and GA were highly associated (R(2)=0.913). the intra-and interobserver reproducibility were reliable, with ICC=0.997 (95% CI 0.995-0.999) and 0.996 (95% CI 0.993-0.998), respectively.Conclusion: the reference range for the fetal upper arm volume was determined by 3D-ultrasound using the XI VOCAL method, and was found to be highly reproducible.
Keywords Fetal upper arm volume
reference range
reproducibility
three-dimensional ultrasonography
XI VOCAL
Language English
Date 2011-11-01
Published in Journal of Perinatal Medicine. Berlin: Walter de Gruyter & Co, v. 39, n. 6, p. 717-724, 2011.
ISSN 0300-5577 (Sherpa/Romeo, impact factor)
Publisher Walter de Gruyter & Co
Extent 717-724
Origin http://dx.doi.org/10.1515/JPM.2011.083
Access rights Closed access
Type Article
Web of Science ID WOS:000296765000013
URI http://repositorio.unifesp.br/handle/11600/34219

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