| Measurement of the Optic Nerve Sheath Diameter in Children: Comparison Between Transbulbar Sonography and Magnetic Resonance Imaging. | |
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MedLine Citation:
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PMID: 21870318 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: To evaluate the accuracy of measurements of the optic nerve sheath diameter (ONSD) in children by comparing transbulbar sonography with magnetic resonance imaging (MRI). MATERIALS AND METHODS: 65 children (age: 3 mo-17 y; mean age: 11.3 y) underwent MR imaging of the brain including a heavily T 2-w sequence of the orbit and transbulbar sonography using a 17 MHz linear array transducer. Measurements of the ONSD were performed retrospectively by two experienced readers and all images were evaluated regarding the image quality. Bland-Altman Plots were produced to assess the accuracy of measurements. The correlation between readers and between MR imaging and transbulbar sonography was calculated by the concordance correlation coefficient (CCC). RESULTS: Overall the mean values of the ONSD for MRI (5.86 ± 0.66 mm) and transbulbar sonography (5.86 ± 0.71 mm) were identical. There was a high correlation between readers for measurements of the ONSD both for transbulbar sonography (CCC = 0.93) as well as for MRI (CCC = 0.9). Comparing the measurement values between transbulbar sonography and MRI, the correlation of ONSD values was good to moderate with a high dependency on image quality (CCC [0.31, 0.68]). CONCLUSION: We were able to demonstrate that the ONSD values of transbulbar sonography in children correlate well with MRI if the relevant anatomic structures are depicted and the measuring points are set correctly. Based on the findings of our study, it seems necessary to define normal and cut-off values for the ONSD in children again to finally assess the clinical relevance of the ONSD as a noninvasive parameter for the evaluation of intracranial pressure. |
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Authors:
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M Steinborn; J Fiegler; K Ruedisser; A Hapfelmeier; C Denne; E Macdonald; H Hahn |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-8-25 |
Journal Detail:
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Title: Ultraschall in der Medizin (Stuttgart, Germany : 1980) Volume: - ISSN: 1438-8782 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-8-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8303585 Medline TA: Ultraschall Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© Georg Thieme Verlag KG Stuttgart · New York. |
Affiliation:
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Institut für Diagnostische und Interventionelle Radiologie und Kinderradiologie, Städtisches Klinikum München GmbH, Klinikum Schwabing. |
Vernacular Title:
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Messung des Nervenscheidendurchmessers des Nervus opticus bei Kindern: Vergleich zwischen transbulbärer Sonografie und Magnetresonanztomografie. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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