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Related Experiment Videos

Trabeculectomy with mitomycin C for refractory glaucoma in blacks

A Mermoud1, J F Salmon, A D Murray

  • 1Department of Ophthalmology, Groote Schuur Hospital, Cape Town, South Africa.

American Journal of Ophthalmology
|July 15, 1993
PubMed
Summary
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Mitomycin C effectively reduces intraocular pressure in refractory glaucoma patients undergoing trabeculectomy. This study found significantly lower pressures in the mitomycin C group compared to controls, though long-term effects require further investigation.

Area of Science:

  • Ophthalmology
  • Glaucoma Surgery
  • Pharmacological Adjuncts

Background:

  • Trabeculectomy is a common glaucoma surgery.
  • Eyes at high risk for failure require enhanced surgical techniques.
  • Mitomycin C is an antifibrotic agent with potential benefits in glaucoma surgery.

Purpose of the Study:

  • To evaluate the efficacy and safety of intraoperative mitomycin C application in refractory glaucoma patients.
  • To compare outcomes of trabeculectomy with and without mitomycin C.

Main Methods:

  • Prospective study of 30 eyes of black patients with refractory glaucoma.
  • Application of 0.2-mg/ml mitomycin C solution for five minutes before trabeculectomy.
  • Comparison with a matched control group of 30 eyes undergoing trabeculectomy without mitomycin C.

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Main Results:

  • Significantly lower mean postoperative intraocular pressures in the mitomycin C group (P = .001).
  • 83% of mitomycin C eyes achieved intraocular pressure < 21 mm Hg without medication, versus 37% in controls (P = .00006).
  • Observed complications included cystic avascular filtering blebs, positive Seidel tests, and scleral thinning in the mitomycin C group.

Conclusions:

  • Intraoperative mitomycin C is effective in improving trabeculectomy outcomes for refractory glaucoma.
  • Further research is needed to ascertain the long-term safety profile and potential complications of this technique.