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Abstract #91345 Published in IGR 21-4

Effect of shunt type on rates of tube-cornea touch and corneal decompensation after tube shunt surgery in uveitic glaucoma

Sinha S; Ganjei AY; Ustaoglu M; Syed ZA; Lee D; Myers JS; Fudemberg SJ; Razeghinejad R
Graefe's Archive for Clinical and Experimental Ophthalmology 2021; 259: 1587-1595

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PURPOSE: To evaluate the effect of tube shunt type [Ahmed (AGV) versus Baerveldt (BGI)] on the frequency of tube-cornea touch and corneal decompensation after tube shunt surgery. METHODS: This retrospective comparative study included 145 eyes of 130 patients with uveitic glaucoma who underwent AGV (75 eyes) or BGI (70 eyes) implantations. Electronic medical records were reviewed to document demographic factors, intraocular pressure (IOP) reduction, frequency of tube-cornea touch, corneal decompensation, and need for subsequent corneal transplantation. RESULTS: The mean follow-up was 27.7±3.3 months for AGV and 32.8±3.8 months for BGI (p=0.30). Tube-cornea touch was observed in 5 eyes after BGI and 1 eye in the AGV group (p=0.08). The BGI group reported a significantly higher rate of corneal decompensation (9 versus 0; p=0.001) and transplantation (6 versus 0; p=0.01) compared to the AGV group. Previous trabeculectomy was a significant risk factor for corneal complications in eyes undergoing BGI implantation (odds ratio [OR]= 8.17, 95% confidence interval [CI]=1.78-37.45, p=0.007). CONCLUSION: Similar rates of tube-cornea touch were observed in both shunt types; BGI shunts were associated with a greater incidence of corneal complications and transplantation as compared to AGV in this retrospective series of uveitic glaucoma cases.

Wills Eye Hospital, Glaucoma Research Center, 840 Walnut Street, Suite 1140, Philadelphia, PA, 19107, USA. dr.sapnasinha@outlook.com.

Full article

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Classification:

9.4.6 Glaucomas associated with inflammation, uveitis (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders)
12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
2.2 Cornea (Part of: 2 Anatomical structures in glaucoma)
12.8.11 Complications, endophthalmitis (Part of: 12 Surgical treatment > 12.8 Filtering surgery)

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