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Abstract #21917 Published in IGR 10-4
Clinical study of the pars plana Ahmed glaucoma valve implant in refractory glaucoma patients
Adachi H; Takahashi H; Shoji T; Okazaki K; Hayashi K; Chihara ENippon Ganka Gakkai Zasshi 2008; 112: 511-518
PURPOSE: To evaluate the effect of pars plana implantation of the Ahmed glaucoma valve on refractory glaucoma. METHOD: Five patients (5 eyes) (3 men, 2 women) were fitted with the Ahmed glaucoma valve. Mean age was 51.8 21.3 years, and the mean follow-up was 9.4 ± 2.6 months. Among the 5 eyes studied, 4 eyes were in neovascular glaucoma patients. Of these 4 eyes, 2 eyes were in diabetic retinopathy patients and 2 eyes were in a patient with central retinal vein occlusion. The remaining eye was in a developmental glaucoma patient. As a surgical procedure after pars plana vitrectomy, the inlet tube of the Ahmed glaucoma valve was placed in the posterior chamber. RESULT: The mean preoperative IOP of 46.8 ± 15.7 mmHg (30-64 mmHg) under maximum tolerable medication was reduced to 16.0 ± 2.0 mmHg (14-19 mmHg) after surgery. Postoperative visual acuity improved in 3 eyes, and the mean visual acuity in these eyes improved from 0.05 ± 0.09 (sl.-0.07) to 0.17 ± 0.3(0-0.7). A reduction in visual acuity was observed in 2 eyes; in one, due to retinal detachment, and in the other, due to transient high IOP and vitreous hemorrhage. The visual acuity improved in 60% of patients and the IOP controlled in 80% of patients. CONCLUSION: The implantation of the Ahmed glaucoma valve for refractory glaucoma was effective in our study. LA: Japanese
Dr. H. Adachi, Sensho-kai Eye Institute, Kyoto Prefecture 611-0043, Japan
