Lumbar puncture is the usual confirmatory procedure for the diagnosis of idiopathic intracranial hypertension. However, the lumbar cerebrospinal fluid pressure does not always reflect the intracranial pressure (ICP), especially in children.1 Therefore, direct ICP monitoring is the gold standard for ascertainment of ICP. However, this procedure is more invasive, requiring general anesthesia and hospital admission to monitor ICP over a period of days. It also carries low risk for central nervous system infection or injury. Consequently, newer techniques are being devised to noninvasively monitor ICP.2
Brodsky MC, Chen JJ, Wetjen NM. Optical Coherence Tomography for the Noninvasive Detection of Elevated Intracranial Pressure: A New Role for the Ophthalmologist? JAMA Ophthalmol. 2017;135(4):329–330. doi:10.1001/jamaophthalmol.2017.0021
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