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Title: Delineation of vertebral area on the coronal plane using three-dimensional ultrasonography advanced volume contrast imaging (VCI) Omni view: intrarater reliability and agreement using standard mouse, high definition mouse, and pen-tablet
Authors: Araujo Junior, Edward [UNIFESP]
Martinez, Luis Henrique [UNIFESP]
Simioni, Christiane [UNIFESP]
Martins, Wellington P.
Nardozza, Luciano M. [UNIFESP]
Moron, Antonio F. [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Escola Ultra Sonog & Reciclagem Med Ribeirao Pret
Inst Nacl Ciencia & Tecnol INCT Hormonios & Saude
Keywords: Fetal spine
three-dimensional ultrasound
volume contrast imaging
Issue Date: 1-Sep-2012
Publisher: Informa Healthcare
Citation: Journal of Maternal-fetal & Neonatal Medicine. London: Informa Healthcare, v. 25, n. 9, p. 1818-1821, 2012.
Abstract: Objective: To assess the fetal lumbosacral spine by three-dimensional (3D) ultrasonography using volume contrast imaging (VCI) omni view method and compare reproducibility and agreement between three different measurement techniques: standard mouse, high definition mouse and pen-tablet. Methods: A comparative and prospective study with 40 pregnant women between 20 and 34+6 weeks was realized. 3D volume datasets of the fetal spine were acquired using a convex transabdominal transducer. Starting scan plane was the coronal section of fetal lumbosacral spine by VCI-C function. Omni view manual trace was selected and a parallel plane of fetal spine was drawn including interest region. Intraclass correlation coefficient (ICC) was used for reproducibility analysis. the relative difference between three used techniques was compared by chi-square test and Fischer test. Results: Pen-tablet showed better reliability (ICC = 0.987). in the relative proportion of differences, this was significantly higher for the pen-tablet (82.14%; p < 0.01). in paired comparison, the relative difference was significantly greater for the pen-tablet (p < 0.01). Conclusion: the pen-tablet showed to be the most reproductive and concordant method in the measurement of body vertebral area of fetal lumbosacral spine by 3D ultrasonography using the VCI.
ISSN: 1476-7058
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