Baerveldt (BGI) Valve Versus Ahmed(AGV) Valve in Management of Difficult Glaucoma Cases

Launched by AIN SHAMS UNIVERSITY · Dec 31, 2019

Keywords

ClinConnect Summary

Eighty-one participants with glaucoma after ocular surgery or secondary glaucoma with persistent and uncontrolled IOP \> 21 mmHg were randomized for placement of Baerveldt implant or Ahmed implant models using a standardized surgical technique.

The primary outcome was failure, which was defined as IOP \>16 mmHg with glaucoma medication on 2 consecutive study visits. Secondary outcomes were IOP, medication use, visual acuity, complications, and interventions.

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • 1 - patients with glaucoma who underwent a previous failed trabeculectomy or other intraocular surgery.
• • 2- patients who had secondary glaucoma and are known to have a high failure rate with trabeculectomy such as neovascular, uveitis, or iridocorneal endothelial syndrome-associated glaucoma, were included in the study.
• Exclusion Criteria:
• • 1 - patients lacked light perception, unwilling or unable to give informed consent, were expected to be unavailable for follow-up visits.
• • 2-had previous aqueous shunt implanted in the same eye, other external impediment to supero-temporal drainage device implantation.
• • 3- presence of silicone oil, vitreous in the anterior chamber sufficient to require a vitrectomy.
• • 4-uveitis associated with a systemic condition like juvenile rheumatoid arthritis, nanophthalmos, Sturge-Weber syndrome or other conditions associated with elevated episcleral venous pressure.