Long-term management and outcomes after repair of cerebrospinal fluid rhinorrhea related to idiopathic intracranial hypertension

Purpose of review To identify long-term management strategies and outcomes for the treatment of spontaneous cerebrospinal fluid (CSF) rhinorrhea related to idiopathic intracranial hypertension (IIH). Recent findings Adjuvant treatments following surgical repair of spontaneous CSF leaks are aimed at normalizing intracranial pressure (ICP) to minimize the risk of recurrence. IIH is closely linked to obesity, and growing evidence suggests that weight loss, both through conservative and surgical approaches, is effective at addressing the root cause of this disorder. Recent data also support the use of acetazolamide and dural venous sinus stenting as adjuncts for reducing ICP. Summary Spontaneous CSF rhinorrhea associated with IIH represents a challenging clinical entity, with an increased risk of recurrence compared to CSF leaks because of other causes. Adjunct therapies intended to reduce ICP likely improve outcomes after surgical repair, but further research is necessary to better characterize the effects of these treatment modalities.

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