Intracranial pressure monitoring for idiopathic intracranial hypertension

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Occasionally, the CSF pressure measurement may be normal despite very suggestive symptoms. This may be attributable to the fact that CSF pressure may fluctuate over the normal day. If the suspicion of problems remains high, it may be necessary to perform more long-term monitoring of the ICP by a pressure catheter.

Mean ICP could be normal even with pathological recordings. Morphological analysis is necessary to establish diagnosis. A and B waves are highly related to shunt response. Wave amplitude is related to brain compliance and to shunt response as well ¹⁾.