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Published on: October 18, 2013
Clinical experience with the double-plate Ahmed glaucoma valve
Lama A Al-Aswad1, Peter A Netland, A Robert Bellows
1Hamilton Eye Institute, University of Tennessee Health Science Center, Memphis, Tennessee 38163, USA.
American Journal of Ophthalmology
|February 7, 2006
Summary
The double-plate Ahmed Glaucoma Valve effectively lowers intraocular pressure in glaucoma patients. This surgical device demonstrated a significant reduction in eye pressure and medication needs with a low complication rate.
Area of Science:
- Ophthalmology
- Glaucoma Surgery
Background:
- Glaucoma is a leading cause of irreversible blindness.
- Effective management of intraocular pressure (IOP) is crucial for preventing glaucomatous optic neuropathy.
Purpose of the Study:
- To assess the clinical effectiveness and safety of the double-plate Ahmed Glaucoma Valve.
- Evaluate IOP reduction and complication rates following implantation.
Main Methods:
- Retrospective observational case series involving 50 eyes across multiple centers.
- Data collected from patients treated with the double-plate Ahmed Glaucoma Valve.
Main Results:
- Mean IOP decreased significantly from 36.0 mmHg pre-operatively to 15.8 mmHg post-operatively (P<.001).
- The average number of glaucoma medications reduced from 3.3 to 1.4 (P<.001).
- A success rate of 76% was observed, with 8% experiencing choroidal effusion (no surgical intervention required).
Conclusions:
- The double-plate Ahmed Glaucoma Valve is effective in reducing IOP, even in patients with a poor prognosis.
- The device offers a favorable safety profile with a low incidence of hypotony-related complications.
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