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Abstract #94650 Published in IGR 22-2

Intraocular Endoscopy Resolved Tube Occlusion of an Ahmed Glaucoma Valve

Kawashima R; Baba K; Matsushita K; Soma T; Kurashige M; Umeda D; Nakamura M; Morii E; Nishida K
Case Reports in Ophthalmology 2021; 12: 706-711

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We report a case in which intraocular endoscopy clarified the cause of Ahmed glaucoma valve (AGV) failure with a cloudy cornea. A 42-year-old patient with glaucoma underwent AGV implant surgery to treat secondary glaucoma due to chronic iridocyclitis in his left eye. After AGV, he developed bullous keratopathy (BK) in that eye. After Descemet stripping automated endothelial keratoplasty (DSAEK) was performed to treat BK, the intraocular pressure (IOP) increased and early failure of the DSAEK resulted again in a cloudy cornea. We could not precisely detect any cause of AGV failure with ordinary imaging instrumentation. An intraocular endoscope was used to determine that cause, and we found that the fibrous tissue occluded the tube of the AGV. The IOP decreased soon after the tissue was removed. We conclude that intraocular endoscopy was useful for diagnosing AGV failure with BK.

Department of Ophthalmology, Osaka University Graduate School of Medicine, Suita, Japan.

Full article

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Classification:

12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)

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