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Intraocular pressure control following microtrabeculectomy

S A Vernon1, A F Spencer

  • 1Department of Ophthalmology, University Hospital, Nottingham, UK.

Eye (London, England)
|January 1, 1995
PubMed
Summary
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Microtrabeculectomy using the Kelly Descemet

Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Glaucoma Treatment

Background:

  • Glaucoma surgery aims to reduce intraocular pressure (IOP).
  • Traditional trabeculectomy can lead to complications.
  • Smaller surgical approaches are being explored to improve outcomes.

Purpose of the Study:

  • To evaluate the efficacy of microtrabeculectomy.
  • To assess the outcomes of a specific surgical technique using the Kelly Descemet's membrane punch.
  • To compare outcomes based on surgical site location.

Main Methods:

  • A microtrabeculectomy procedure was performed on 65 eyes.
  • The technique involved a 2 x 2 mm superficial scleral flap and a 0.75 mm internal osteum.
  • Surgical site was nasal for left eyes and temporal for right eyes; 5-fluorouracil was used in some cases.

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Main Results:

  • Mean intraocular pressure (IOP) decreased significantly post-surgery.
  • 88% of eyes achieved IOP < 21 mmHg without medication after a mean follow-up of 13.4 months.
  • Nasal procedures resulted in significantly lower IOPs compared to temporal procedures (11.8 vs 14.9 mmHg).

Conclusions:

  • Microtrabeculectomy is an effective glaucoma surgical technique.
  • The procedure leads to significant IOP reduction and control.
  • Nasal placement of microtrabeculectomy may offer superior IOP reduction compared to temporal placement.