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Endoscopic transnasal orbital decompression for thyrotoxic orbitopathy.

A P W Yuen1, K Y W Kwan, E Chan

  • 1Division of Otorhinolaryngology, Department of Surgery, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong.

Hong Kong Medical Journal = Xianggang Yi Xue Za Zhi
|December 3, 2002
PubMed
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Endoscopic transnasal orbital decompression effectively reduces proptosis and intraocular pressure in patients with thyrotoxic orbitopathy. This safe procedure also improves eyelid closure and visual acuity, offering a valuable treatment option.

Area of Science:

  • Ophthalmology
  • Otorhinolaryngology
  • Endocrine Surgery

Background:

  • Thyrotoxic orbitopathy, a common complication of Graves' disease, can lead to significant visual impairment and disfigurement.
  • Orbital decompression surgery is a key treatment for managing the effects of thyrotoxic orbitopathy.

Purpose of the Study:

  • To evaluate the efficacy and safety of endoscopic transnasal orbital decompression as a standalone treatment for thyrotoxic orbitopathy.
  • To assess the impact of the procedure on proptosis, intraocular pressure, eyelid closure, and visual acuity.

Main Methods:

  • A retrospective review of consecutive endoscopic transnasal orbital decompression procedures performed at a tertiary referral center.
  • Data collected included proptosis reduction, intraocular pressure changes, eyelid closure status, visual acuity, and complication rates.

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Main Results:

  • No surgical complications were reported in 23 decompressions across 14 patients.
  • Significant proptosis reduction (mean 4.6 mm) was observed in 96% of eyes.
  • Intraocular pressure decreased in 87% of eyes, and visual acuity improved in 70%.

Conclusions:

  • Endoscopic transnasal medio-inferior orbital wall decompression is a safe and effective surgical intervention for thyrotoxic orbitopathy.
  • The procedure successfully addresses proptosis, exposure keratitis, and visual loss associated with the condition.