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Idiopathic Intracranial Hypertension.

Hugo Cuellar1, Rahul Shah2

  • 1Department of Radiology, LSUHS, Ochsner Health Sciences Center, Shreveport, Louisiana.

Seminars in Interventional Radiology
|April 2, 2026
PubMed
Summary
This summary is machine-generated.

Idiopathic intracranial hypertension (IIH) is a condition of increased intracranial pressure, particularly affecting obese women. Venous sinus stenting is emerging as a safe and effective treatment for refractory cases.

Keywords:
IIHpapilledemavenous stenting

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Area of Science:

  • Neurology
  • Ophthalmology
  • Vascular Surgery

Background:

  • Idiopathic intracranial hypertension (IIH) is a poorly understood neurological disorder characterized by elevated intracranial pressure.
  • IIH disproportionately affects obese women, with incidence rising globally alongside obesity rates.
  • Limited understanding of IIH pathophysiology necessitates improved diagnostic and management strategies.

Purpose of the Study:

  • To summarize the epidemiology, clinical features, diagnostic evaluation, and management of IIH.
  • To highlight venous sinus stenting as a promising therapeutic option for IIH.

Main Methods:

  • Review of current literature on IIH epidemiology, clinical presentation, and diagnostic criteria.
  • Analysis of medical and surgical management options, including pharmacological treatments and interventional procedures.
  • Focus on the safety and efficacy of venous sinus stenting in IIH management.

Main Results:

  • IIH incidence correlates with increasing global obesity levels.
  • Acetazolamide and topiramate are primary medical treatments; surgery is reserved for refractory or severe cases.
  • Venous sinus stenting is increasingly utilized as a safe and effective surgical alternative for IIH.

Conclusions:

  • A lack of randomized controlled trials hinders definitive treatment guidelines for IIH.
  • While venous sinus stenting shows promise for refractory IIH, procedural variability exists.
  • Further research is needed to standardize venous sinus stenting techniques and outcomes in IIH.