Optic Nerve Sheath Diameter as a Bedside Assessment for Elevated Intracranial PressureReport as inadecuate




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Case Reports in Critical Care - Volume 2017 2017, Article ID 3978934, 2 pages - https:-doi.org-10.1155-2017-3978934

Case ReportWestern Health, Gordon Street, Footscray, VIC 3011, Australia

Correspondence should be addressed to Peter Williams

Received 4 January 2017; Accepted 29 March 2017; Published 5 April 2017

Academic Editor: Petros Kopterides

Copyright © 2017 Peter Williams. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A previously fit and healthy 26-year-old lady with no significant medical history presented with a two-month history of headaches. The headaches were prolonged, generalised, and unusually severe for the patient. Examination revealed papilloedema. The patient’s optic nerve sheath diameter was measured 3 mm posterior to the globe and found to be 7.5 mm. The patient subsequently had computed tomography scan of her brain that showed an optic nerve sheath diameter of 7.56 mm as measured 3 mm posterior to the globe. After an obstructive lesion was ruled out on the computed tomography scan, a lumbar puncture was then performed and cerebrospinal fluid was drained. An ultrasound of the optic nerve sheath diameter was repeated showing a reduced diameter of 5.6 mm. The patient was admitted to the neurology unit and ultimately diagnosed with idiopathic intracranial hypertension. This case report highlights the potential of rapidly identifying elevated intracranial pressure using a noninvasive method.





Author: Peter Williams

Source: https://www.hindawi.com/



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