scholarly journals MONITORING OSMOTHERAPY IN TRAUMATIC BRAIN INJURY PATIENTS: CORRELATION BETWEEN ULTRASOUND ASSESSMENT OF OPTIC NERVE SHEATH DIAMETER AND COMPUTED TOMOGRAPHY SCAN

2021 ◽  
Vol 72 (3) ◽  
pp. 657-670
Author(s):  
Salwa Amin ◽  
Galal Adel Alkady ◽  
Hossam Elmorshedy ◽  
Waleed Ibrahim
Keyword(s):  
Computed Tomography ◽  
Traumatic Brain Injury ◽  
Brain Injury ◽  
Optic Nerve ◽  
Optic Nerve Sheath Diameter ◽  
Optic Nerve Sheath ◽  
Computed Tomography Scan ◽  
Nerve Sheath ◽  
Ultrasound Assessment ◽  
Tomography Scan

scholarly journals Optic Nerve Sheath Diameter as a Bedside Assessment for Elevated Intracranial Pressure

2017 ◽  
Vol 2017 ◽  
pp. 1-2 ◽  
Author(s):  
Peter Williams
Keyword(s):  
Computed Tomography ◽  
Optic Nerve ◽  
Intracranial Pressure ◽  
Optic Nerve Sheath Diameter ◽  
Optic Nerve Sheath ◽  
Elevated Intracranial Pressure ◽  
Computed Tomography Scan ◽  
Obstructive Lesion ◽  
Nerve Sheath ◽  
Tomography Scan

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.

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