TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube Implantation

Purpose. Refractory glaucoma patients continue to require surgical intervention in the form of trabeculectomy surgery or glaucoma drainage device (GDD). Those patients that require a GDD but have thin sclera or scleromalacia present a challenge. Methods. In this article, we present a novel “TAG sand...

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Main Authors: Faisal Ahmed, Nada G. Mohamed
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Case Reports in Ophthalmological Medicine
Online Access:http://dx.doi.org/10.1155/2021/6698919
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author Faisal Ahmed
Nada G. Mohamed
author_facet Faisal Ahmed
Nada G. Mohamed
author_sort Faisal Ahmed
collection DOAJ
description Purpose. Refractory glaucoma patients continue to require surgical intervention in the form of trabeculectomy surgery or glaucoma drainage device (GDD). Those patients that require a GDD but have thin sclera or scleromalacia present a challenge. Methods. In this article, we present a novel “TAG sandwich” single surgical procedure in which thinned sclera is reinforced with a pericardial patch graft (“bottom layer of the sandwich”) allowing safe implantation of the GDD (“the tube sandwich filling”) and then placing another patch graft on top of the tube part of the GDD (“top layer of the sandwich”). The surgery was performed on an open-angle glaucoma patient with a generalized thin sclera and uncontrolled intraocular pressure despite maximal topical medication and oral acetazolamide. Results. Reinforcing a compromised sclera with a pericardium patch graft allowed the safe implantation of a glaucoma drainage device. The patient’s intraocular pressure was safely controlled at 7 mmHg almost 1-year postsurgery without intraocular pressure-lowering drops. Conclusions. This scleral strengthening procedure can be considered by readers in other ocular surgeries where there is a risk of scleral perforation, as well as part of a combined surgery where refractory glaucoma patients with thin sclera require scleral reinforcement to allow for safer implantation of a glaucoma drainage device.
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spelling doaj-art-b2d05a658d9740888f87288396568f742025-02-03T05:44:45ZengWileyCase Reports in Ophthalmological Medicine2090-67222090-67302021-01-01202110.1155/2021/66989196698919TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube ImplantationFaisal Ahmed0Nada G. Mohamed1The Western Eye Hospital, Imperial College Healthcare NHS Trust, 153-173 Marylebone Rd, London, UKThe Ophthalmology Department, Faculty of Medicine, Alexandria University, Champollion Street, Alexandria, EgyptPurpose. Refractory glaucoma patients continue to require surgical intervention in the form of trabeculectomy surgery or glaucoma drainage device (GDD). Those patients that require a GDD but have thin sclera or scleromalacia present a challenge. Methods. In this article, we present a novel “TAG sandwich” single surgical procedure in which thinned sclera is reinforced with a pericardial patch graft (“bottom layer of the sandwich”) allowing safe implantation of the GDD (“the tube sandwich filling”) and then placing another patch graft on top of the tube part of the GDD (“top layer of the sandwich”). The surgery was performed on an open-angle glaucoma patient with a generalized thin sclera and uncontrolled intraocular pressure despite maximal topical medication and oral acetazolamide. Results. Reinforcing a compromised sclera with a pericardium patch graft allowed the safe implantation of a glaucoma drainage device. The patient’s intraocular pressure was safely controlled at 7 mmHg almost 1-year postsurgery without intraocular pressure-lowering drops. Conclusions. This scleral strengthening procedure can be considered by readers in other ocular surgeries where there is a risk of scleral perforation, as well as part of a combined surgery where refractory glaucoma patients with thin sclera require scleral reinforcement to allow for safer implantation of a glaucoma drainage device.http://dx.doi.org/10.1155/2021/6698919
spellingShingle Faisal Ahmed
Nada G. Mohamed
TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube Implantation
Case Reports in Ophthalmological Medicine
title TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube Implantation
title_full TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube Implantation
title_fullStr TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube Implantation
title_full_unstemmed TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube Implantation
title_short TAG (Tube and Graft) Sandwich Technique: A Novel Single-Stage Scleral Reinforcement and Aqueous Drainage Tube Implantation
title_sort tag tube and graft sandwich technique a novel single stage scleral reinforcement and aqueous drainage tube implantation
url http://dx.doi.org/10.1155/2021/6698919
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AT nadagmohamed tagtubeandgraftsandwichtechniqueanovelsinglestagescleralreinforcementandaqueousdrainagetubeimplantation