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Rigshospitalet - a part of Copenhagen University Hospital
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Diagnostic value of optical coherence tomography for intracranial pressure in idiopathic intracranial hypertension

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BACKGROUND: Idiopathic intracranial hypertension (IIH) is a condition of raised intracranial pressure (ICP) in the absence of space-occupying lesions or other known etiology. It primarily affects young obese females, and potentially causes permanent visual loss due to papilledema and secondary optic atrophy. The aim of this study was to evaluate the diagnostic value of optical coherence tomography (OCT) as a marker for CSF opening pressure in patients with idiopathic intracranial hypertension (IIH). METHODS: We conducted a case-control study of 20 newly diagnosed, 21 long-term IIH patients, and 20 healthy controls. Investigations included measurement of peripapillary retinal nerve fiber layer thickness (RNFLT) and total retinal thickness (RT), automated visual field testing, and measurement of CSF opening pressure. An OCT elevation diagram was developed as a new diagnostic tool. The diagnostic ability of OCT as a marker of increased ICP (> 25 cmH(2)O) was investigated using multiple regression and receiver operating characteristic (ROC) curves. RESULTS: OCT elevation diagrams showed that in 60 % of patients newly diagnosed with IIH and in 10 % of patients with long-term IIH, 50 % or more of the OCT scans (RT and RNFLT) were above normal. The percentage of abnormal OCT scans was significantly associated with increased ICP (p 
Original languageEnglish
JournalGraefe's Archive for Clinical and Experimental Ophthalmology
Volume251
Issue number2
Pages (from-to)567-574
ISSN0721-832X
DOIs
Publication statusPublished - 2013

ID: 36530848