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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Update on Idiopathic Intracranial Hypertension Management.

Marcio Nattan Portes Souza1, Barbara de Alencar Leite Costa1, Felipe Reinaldo Deus Ramos Santos1

  • 1Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, São Paulo SP, Brazil.

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Idiopathic Intracranial Hypertension (IIH) is a growing condition. Effective management focuses on controlling intracranial pressure and protecting vision, with bariatric surgery showing promise for elevated pressure.

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Area of Science:

  • Neurology
  • Ophthalmology
  • Metabolic Disorders

Background:

  • Idiopathic Intracranial Hypertension (IIH) is a neurological disorder with increasing incidence.
  • Limited evidence currently guides the optimal treatment strategies for IIH.

Purpose of the Study:

  • To review the pathophysiology of IIH, emphasizing obesity's role.
  • To explore implications for novel therapeutic approaches in IIH management.

Main Methods:

  • This narrative review summarizes current knowledge on IIH treatment.
  • Evidence for managing intracranial hypertension, obesity, and headache in IIH was highlighted.

Main Results:

  • Headache and visual loss are primary symptoms of IIH, significantly impacting quality of life.
  • Obesity is increasingly recognized as a key factor in IIH pathophysiology.
  • Current treatments include acetazolamide, CSF diversion, optic nerve sheath fenestration, venous sinus stenting, and bariatric surgery.

Conclusions:

  • IIH can lead to significant disability; early recognition and individualized treatment are crucial.
  • Further research is needed for headache management in IIH, as it may persist post-intracranial pressure control.