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Related Experiment Videos

Pseudotumor cerebri and optic nerve sheath decompression.

J T Banta1, B K Farris

  • 1Oklahoma University Health Sciences Center, Dean A. McGee Eye Institute, Oklahoma City, Oklahoma 73104-5065, USA.

Ophthalmology
|October 3, 2000
PubMed
Summary
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Optic nerve sheath decompression effectively restored or improved vision in 94% of patients with pseudotumor cerebri. This safe surgical option offers a viable treatment for vision loss resistant to medical therapy.

Area of Science:

  • Ophthalmology
  • Neurosurgery
  • Neurology

Background:

  • Pseudotumor cerebri (idiopathic intracranial hypertension) can cause progressive visual loss.
  • Medical management is often insufficient for patients with significant visual impairment.

Purpose of the Study:

  • To evaluate the efficacy and safety of optic nerve sheath decompression (ONSD) for pseudotumor cerebri.
  • To establish a treatment algorithm based on study data.

Main Methods:

  • Retrospective, noncomparative, interventional case series.
  • 158 eyes in 86 patients with pseudotumor cerebri underwent ONSD.
  • Outcomes assessed included visual acuity, visual fields, and surgical complications.

Main Results:

Related Experiment Videos

  • Visual acuity improved or stabilized in 94% of eyes (148/158).
  • Visual fields improved or stabilized in 88% of tested eyes (71/81).
  • Complications were mostly transient (39/86 patients); only one eye experienced permanent severe visual loss.

Conclusions:

  • Optic nerve sheath decompression is a safe and effective treatment for pseudotumor cerebri with visual loss.
  • ONSD stabilizes visual acuity and visual fields in patients unresponsive to medical therapy.