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Related Experiment Videos

Temporal corneal phacoemulsification combined with superior trabeculectomy: a controlled study

J Caprioli1, H J Park, M Weitzman

  • 1Department of Ophthalmology and Visual Science, Yale University School of Medicine, New Haven, Connecticut, USA.

Transactions of the American Ophthalmological Society
|January 1, 1996
PubMed
Summary

Combined surgery for cataract and glaucoma lowers intraocular pressure (IOP) and reduces medication needs. However, trabeculectomy alone offers greater long-term IOP reduction compared to combined procedures.

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Area of Science:

  • Ophthalmology
  • Glaucoma Surgery
  • Cataract Surgery

Background:

  • Cataract and glaucoma often coexist, necessitating combined surgical approaches.
  • Evaluating the efficacy of combined cataract and glaucoma surgery is crucial for patient outcomes.

Purpose of the Study:

  • To compare the intraocular pressure (IOP)-lowering effects of combined temporal corneal phacoemulsification and superior trabeculectomy versus trabeculectomy alone.

Main Methods:

  • Retrospective case-control study involving 40 patients in each group (combined surgery vs. trabeculectomy alone).
  • Both groups received subconjunctival 5-fluorouracil (5-FU) injections postoperatively.
  • Follow-up was at least 1 year, with success defined as IOP < 22 mmHg and ≥20% reduction.

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Main Results:

  • Combined surgery group had higher mean postoperative IOP than the trabeculectomy-only group at all follow-up intervals.
  • Mean IOP reduction at 1 year was 6.8 mmHg for combined surgery vs. 10.3 mmHg for trabeculectomy alone.
  • Cumulative success rate at 2 years was 62% for combined surgery versus 86% for trabeculectomy alone.

Conclusions:

  • Combined surgery effectively lowers IOP and reduces medication requirements but with less long-term IOP reduction than trabeculectomy alone.
  • The technique is suitable for selected patients with coexisting cataract and glaucoma.
  • No additional complications were noted with the combined approach.