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ORIGINAL ARTICLE
Year : 2009  |  Volume : 57  |  Issue : 5  |  Page : 345-350

The efficacy of Ahmed glaucoma valve drainage devices in cases of adult refractory glaucoma in Indian eyes


Department of Ophthalmology, Army Hospital (Research and Referral) Cantt -10, Delhi, India

Correspondence Address:
Jitendra K S Parihar
Department of Ophthalmology, Army Hospital (Research and Referral) Cantt -10, Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.55068

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Aim: To evaluate the efficacy of Ahmed glaucoma valve (AGV) drainage devices in cases of adult refractory glaucoma in Indian eyes. Settings and Design: Retrospective interventional case series study. Materials and Methods : Fifty two eyes of 32 patients of refractory glaucoma in the age group of 35 to 60 years who underwent AGV implantation with or without concomitant procedures from January 2003 to Jan 2007 were studied. Of these, 46 eyes (88%) had undergone filtering surgery earlier whereas remaining eyes underwent primary AGV implantation following failure of maximal medical therapy. The follow up ranged between 12 months to 48 months Results: Eighteen eyes (35%) had undergone phacoemulsification with AGV implantation, penetrating keratoplasty (PK) with AGV and intraocular lens (IOL) implantation in 13 eyes (25%), AGV over preexisting IOL in eight eyes (15%). AGV implantation alone was done in six (11%) eyes. Anterior chamber (AC) reconstruction with secondary IOL and AGV was performed in the remaining eyes. The mean intra ocular pressure (IOP) decreased from 36.3 15.7 mm Hg to 19.6 9.2 mm Hg. Complete success as per criteria was achieved in 46 eyes (88%). None of the eyes had failure to maintain IOP control following AGV. Conclusion: The AGV resulted in effective and sustained control of IOP in cases of adult refractory glaucoma in intermediate follow up.


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