| Assessment of lung volume by 3-dimensional sonography and magnetic resonance imaging in fetuses with congenital diaphragmatic hernias. | |
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MedLine Citation:
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PMID: 22039026 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Objectives- The purpose of this study was to evaluate the influence of different rotation angles in assessment of the contralateral lung volume by 3-dimensional (3D) sonography in comparison to magnetic resonance imaging (MRI) in fetuses with congenital diaphragmatic hernias. Methods- A total of 126 measurements by 3D sonography and MRI were conducted in 81 patients between 18 and 39 weeks' gestation. The 3D sonographic volumes of the contralateral fetal lung were calculated by the rotational technique (virtual organ computer-aided analysis) with rotation angles of 6°, 15°, and 30°. Transverse multiplanar T2-weighted MRI was performed for the MRI measurements. To compare the accuracy of 3D sonographic volumetry using different rotation angles, MRI assessment was taken as the reference method, and percentage errors and limits of agreement were calculated for each angle. Results- Three-dimensional sonographic volume measurements showed a high correlation with MRI (6° angle, R(2) = 0.86; 15° angle, R(2) = 0.78; 30° angle, R(2) = 0.68). The mean percentage error showed no systematic error. With regard to random error, the 6° step had significantly lower values than the larger angles 30° step (R = 0.472) and the narrowest limits of agreement. Conclusions- Especially when using a small rotation angle, assessment of the contralateral fetal lung volume by 3D sonography in congenital diaphragmatic hernias is a reliable alternative to MRI. |
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Authors:
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Sven Kehl; Anna Luisa Kalk; Sven Eckert; Thomas Schaible; Marc Sütterlin; Wolfgang Neff; Jörn Siemer |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine Volume: 30 ISSN: 1550-9613 ISO Abbreviation: J Ultrasound Med Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-10-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8211547 Medline TA: J Ultrasound Med Country: United States |
Other Details:
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Languages: eng Pagination: 1539-45 Citation Subset: IM |
Affiliation:
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Universitätsfrauenklinik, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany., sven.kehl@umm.de. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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