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Related Experiment Videos

Simultaneous subconjunctival and subscleral mitomycin-C application in trabeculectomy.

F El Sayyad1, M Belmekki, M Helal

  • 1El-Maghraby Eye Hospital, Jeddah, Saudi Arabia.

Ophthalmology
|February 26, 2000
PubMed
Summary

This study found that applying mitomycin-C under both conjunctival and scleral flaps during trabeculectomy surgery significantly lowers intraocular pressure. This combined approach offers a promising option for managing refractory glaucoma.

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Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Glaucoma Research

Background:

  • Trabeculectomy is a common surgical procedure for glaucoma.
  • Mitomycin-C is an antifibrotic agent used to enhance surgical success.
  • Optimizing mitomycin-C application is crucial for refractory cases.

Purpose of the Study:

  • To evaluate the efficacy and safety of applying mitomycin-C subconjunctivally and subsclerally during trabeculectomy.
  • To compare the outcomes of different mitomycin-C application techniques.

Main Methods:

  • A prospective, randomized study involving 68 patients with refractory glaucoma.
  • Patients were divided into three groups receiving intraoperative mitomycin-C under the conjunctival flap, scleral flap, or both.
  • Outcomes measured included intraocular pressure (IOP), medication use, visual acuity, and complications.

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Main Results:

  • A statistically significant difference in IOP was observed among the three groups at 6, 9, and 12 months post-surgery.
  • The combined subconjunctival and subscleral application (group 3) resulted in the lowest mean IOP at 12 months (9.8 mmHg).
  • No significant differences were found in success rates, medication use, or complications between the groups.

Conclusions:

  • Simultaneous subconjunctival and subscleral application of mitomycin-C in trabeculectomy appears to be more effective in reducing IOP.
  • Applying mitomycin-C under the scleral flap may provide an added benefit when combined with subconjunctival exposure.