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Related Experiment Videos

Temporal corneal phacoemulsification in filtered glaucoma patients

J Caprioli1, H J Park, Y H Kwon

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

Transactions of the American Ophthalmological Society
|January 1, 1997
PubMed
Summary

Temporal clear corneal phacoemulsification does not negatively impact intraocular pressure (IOP) after prior trabeculectomy. This cataract surgery approach maintains long-term IOP control in glaucoma patients.

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Area of Science:

  • Ophthalmology
  • Glaucoma Surgery
  • Cataract Surgery

Background:

  • Trabeculectomy is a common glaucoma surgery to reduce intraocular pressure (IOP).
  • Phacoemulsification is a standard cataract surgery technique.
  • The safety of combining these procedures is crucial for patient outcomes.

Purpose of the Study:

  • To evaluate the effect of temporal clear corneal phacoemulsification on intraocular pressure (IOP) in eyes that had prior trabeculectomy.
  • To compare IOP control after combined trabeculectomy and phacoemulsification versus trabeculectomy alone.

Main Methods:

  • Retrospective case-control study.
  • Compared 40 patients undergoing temporal clear corneal phacoemulsification after trabeculectomy (TRAB-PHACO) with 40 patients who had trabeculectomy alone (TRAB).

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  • IOP was measured before and one year after phacoemulsification; survival analysis assessed long-term IOP control.

    • Main Results:

    • One year post-phacoemulsification, IOP in the TRAB-PHACO group was not significantly different from pre-phacoemulsification levels (p = 0.65).
    • Kaplan-Meier survival analysis showed no statistically significant difference in long-term IOP control rates between the TRAB-PHACO and TRAB groups (p = 0.55).
    • Rates at 3, 6, and 9 years were 80%, 66%, 44% for TRAB-PHACO and 79%, 69%, 55% for TRAB.

    Conclusions:

    • Temporal clear corneal phacoemulsification is safe in eyes with filtering blebs post-trabeculectomy.
    • Cataract surgery using this technique does not adversely affect long-term intraocular pressure control.
    • This suggests a favorable safety profile for combined glaucoma and cataract surgery.