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01-08-2009 | Correspondence

Optic nerve ultrasound: artifacts and real images

Authors: Roberto Copetti, Luigi Cattarossi

Published in: Intensive Care Medicine | Issue 8/2009

Excerpt

Sir: I read with great interest the papers of Geeraerts et al. [1, 2] on ultrasound evaluation of the optic nerve and its correlations with intracranial pressure. In my opinion, however, what the authors indicate as the optic nerve on ultrasound examination is an artifact (acoustic shadow), probably cast by the lamina cribrosa. The measurements that the authors report do not reflect the optic nerve sheath diameter, but the measurement of an artifactual image. …

Geeraerts T, Merceron S, Benhamou D, Vigué B, Duranteau J (2008) Non-invasive assessment of intracranial pressure using ocular sonography in neurocritical care patients. Intensive Care Med 34:2062–2067PubMedCrossRef

Geeraerts T, Launey Y, Martin L, Pottecher J, Vigué B, Duranteau J, Benhamou D (2007) Ultrasonography of the optic nerve sheath may be useful for detecting raised intracranial pressure after severe brain injury. Intensive Care Med 33:1704–1711PubMedCrossRef

Goel RS, Goyal NK, Dharap SB, Kumar M, Gore MA (2008) Utility of optic nerve ultrasonography in head injury. Injury 39:519–524PubMedCrossRef

Tayal VS, Neulander M, Norton HJ, Foster T, Saunders T, Blaivas M (2007) Emergency department sonographic measurement of optic nerve sheath diameter to detect findings of increased intracranial pressure in adult head injury patients. Ann Emerg Med 49:508–514PubMedCrossRef

Blaivas M, Theodoro D, Sierzenski PR (2003) Elevated intracranial pressure detected by bedside emergency ultrasonography of the optic nerve sheath. Acad Emerg Med 10:376–381PubMedCrossRef

Girisgin AS, Kalkan E, Kocak S, Cander B, Gul M, Semiz M (2007) The role of optic nerve ultrasonography in the diagnosis of elevated intracranial pressure. Emerg Med J 24:251–254PubMedCrossRef

Title: Optic nerve ultrasound: artifacts and real images
Authors: Roberto Copetti
Luigi Cattarossi
Publication date: 01-08-2009
Publisher: Springer-Verlag
Published in: Intensive Care Medicine / Issue 8/2009
Print ISSN: 0342-4642
Electronic ISSN: 1432-1238
DOI: https://doi.org/10.1007/s00134-009-1494-4

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Optic nerve ultrasound: artifacts and real images

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