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Related Experiment Videos

Trabeculectomy with mitomycin C: intermediate-term results

T W Perkins1, R Gangnon, W Ladd

  • 1Department of Ophthalmology and Visual Sciences, University of Wisconsin, Madison, USA.

Journal of Glaucoma
|August 26, 1998
PubMed
Summary
This summary is machine-generated.

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Trabeculectomy with mitomycin C (MMC) offers a 50% chance of controlled intraocular pressure (IOP) without medication at 3 years. However, risks include visual loss and reoperation for complications.

Area of Science:

  • Ophthalmology
  • Surgical Procedures
  • Glaucoma Management

Background:

  • Trabeculectomy with mitomycin C (MMC) is a common surgical intervention for glaucoma.
  • Long-term efficacy and safety data following this procedure are crucial for clinical decision-making.

Purpose of the Study:

  • To evaluate the outcomes of trabeculectomy with MMC at 2 to 3 years post-surgery.
  • To assess intraocular pressure (IOP) control, need for medication, visual acuity, and complication rates.

Main Methods:

  • A consecutive series of 68 patients undergoing trabeculectomy with MMC was analyzed.
  • Kaplan-Meier life-table statistics were employed for data analysis.
  • Results were compared with published retrospective studies.

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Main Results:

  • At 3 years, 47% of patients achieved target IOP (<21 mmHg or <20% reduction) without medication; this increased to 70% with medication.
  • Significant visual acuity loss (≥3 lines) occurred in 28% of patients by 3 years, with 13% experiencing irreversible loss.
  • Complications requiring reoperation occurred in 16% of patients, including hypotony maculopathy and bleb leaks.

Conclusions:

  • Trabeculectomy with MMC provides moderate long-term IOP control, with approximately 50% success without medication at 3 years.
  • The procedure carries a significant risk of visual loss and complications, necessitating careful patient selection and monitoring.
  • The addition of glaucoma medication improves IOP control rates post-trabeculectomy with MMC.