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Related Concept Videos

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Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Related Experiment Videos

Trabeculectomy with brief exposure to mitomycin C.

Guy J Ben Simon1, Yoseph Glovinsky

  • 1The Goldschleger Eye Institute, Sheba Medical Center, Sackler School of Medicine at Tel Aviv University, Tel Aviv, Israel. guybensimon@gmail.com

Clinical & Experimental Ophthalmology
|November 1, 2006
PubMed
Summary

Primary trabeculectomy using brief mitomycin C (MMC) exposure effectively lowers intraocular pressure (IOP) and reduces medication needs. This safe procedure shows comparable success rates to longer MMC exposure durations.

Related Experiment Videos

Area of Science:

  • Ophthalmology
  • Glaucoma Surgery
  • Ophthalmic Pharmacology

Background:

  • Evaluating the safety and efficacy of primary trabeculectomy with brief (15-second) exposure to mitomycin C (MMC) at 0.4 mg/mL.
  • Assessing the impact of reduced MMC exposure time on surgical outcomes in glaucoma management.

Purpose of the Study:

  • To determine the effectiveness of a short-duration mitomycin C application during primary trabeculectomy for lowering intraocular pressure (IOP).
  • To evaluate the safety profile and complication rates associated with brief MMC exposure in trabeculectomy.

Main Methods:

  • Retrospective medical record review of patients undergoing primary trabeculectomy with brief MMC exposure.
  • Analysis of IOP reduction, medication usage, and surgical success rates over an 18.3-month follow-up period.

Main Results:

  • Mean IOP decreased from 30.4 mmHg to 12.5 mmHg (P < 0.001), with a significant reduction in antiglaucoma medications.
  • Complete success (IOP < 18 mmHg without medication) was achieved in 73% of patients, and qualified success (IOP ≤ 21 mmHg) in 93.7%.
  • Low rates of complications were observed, including needle revision (6.3%) and repeat trabeculectomy (4.8%).

Conclusions:

  • Primary trabeculectomy with brief (15 s) MMC (0.4 mg/mL) exposure is a safe and effective glaucoma surgical procedure.
  • The efficacy in lowering IOP and the success rates are comparable to those reported with longer MMC exposure durations.
  • The procedure is associated with a low incidence of postoperative complications.