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Related Experiment Videos

Glaucoma drainage tubes--their role in glaucoma management.

R A Hitchings1, M J Lavin, M Calthorpe

  • 1Moorfields Eye Hospital, London, UK.

International Ophthalmology
|January 1, 1989
PubMed
Summary

This study compared two glaucoma surgeries, finding the one-piece tube and plate procedure more successful than the ACTSEB method. Many patients achieved successful intraocular pressure control, with some no longer needing glaucoma medications.

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Area of Science:

  • Ophthalmology
  • Glaucoma Surgery
  • Intraocular Pressure Management

Background:

  • Glaucoma is a leading cause of irreversible blindness.
  • Effective intraocular pressure (IOP) control is crucial for managing glaucoma.
  • Surgical interventions are necessary when medical management fails.

Purpose of the Study:

  • To compare the efficacy of the Ahmed Clear Flow Technology aqueous shunt (ACTSEB) procedure versus a one-piece tube and plate glaucoma drainage device.
  • To evaluate long-term intraocular pressure control and medication requirements post-surgery.
  • To assess surgical success rates across different glaucoma diagnostic categories.

Main Methods:

  • A retrospective study of 100 eyes undergoing either ACTSEB or one-piece tube and plate implantation.

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  • Patient follow-up exceeding 12 months.
  • Success defined as intraocular pressure < 21 mm Hg.

    • Main Results:

    • The one-piece tube and plate procedure demonstrated higher success rates compared to the ACTSEB procedure.
    • Approximately one-third of all patients achieved successful IOP control without requiring antiglaucomatous medications.
    • Success rates varied by diagnostic category, ranging from 41% in neovascular glaucoma to 83% in chronic simple glaucoma at 18 months.

    Conclusions:

    • The one-piece tube and plate device appears to be a more effective surgical option for glaucoma management than the ACTSEB procedure.
    • Glaucoma surgery can significantly reduce or eliminate the need for topical medications.
    • Surgical outcomes are dependent on the underlying glaucoma diagnosis.