Ahmed Glaucoma Valve Implantation: Graft-Free Short Tunnel Small Flap versus Scleral Patch Graft after 1-Year Follow-up

Pakravan, Mohammad; Hatami, Mohammadmehdi; Esfandiari, Hamed; Yazdani, Shahin; Doozandeh, Azadeh; Samaeili, Azadeh; Kheiri, Bahareh

doi:10.1016/j.ogla.2018.10.008

Cited by 10 publications

(5 citation statements)

References 28 publications

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“…[ 4 ] Kalamkar et al have described use of intra-scleral method for tube fixation, along with a limbal based partial thickness scleral flap (5 mm × 3 mm) at limbus to cover the tube before it entered the anterior chamber. [ 5 ] Comparative series of graft free scleral tunnel versus scleral patch graft by Rivera et al [ 6 ] and Pakravan et al [ 7 ] reported tube erosions in the later, but not in former group of patients. Alternate techniques like use of 6-mm graft free scleral tunnel,[ 8 ] needle-generated scleral tunnel, without a tube-covering patch[ 9 ] and long scleral flap, augmented with Tenon advancement and duplication[ 10 ] have also been described in literature.…”

Section: Discussionmentioning

confidence: 99%

A graft-free scleral sleeve technique of Ahmed Glaucoma Valve implantation in refractory glaucoma- Rising to the challenge of COVID-19 pandemic

Gupta

2021

Indian Journal of Ophthalmology

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We describe a case of 63-year-old woman, with primary open-angle glaucoma (POAG) who presented to us in the COVID era with uncontrolled intraocular pressure (IOP) on maximum medical therapy (MMT) in the right eye (OD), previously operated twice for trabeculectomy in (OD), and once in left eye (OS). A modified graft-free surgical technique of inserting the Ahmed Glaucoma valve (AGV) tube through a scleral sleeve was employed. Visual acuity and IOP remained stable during 6-month follow-up period.

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Section: Discussionmentioning

confidence: 99%

A graft-free scleral sleeve technique of Ahmed Glaucoma Valve implantation in refractory glaucoma- Rising to the challenge of COVID-19 pandemic

Gupta

2021

Indian Journal of Ophthalmology

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“…V roce 1987 publikoval Fredman možnost prevence extruze Moltenovy chlopně za pomoci překrytí sklérou [142], což je dodnes v případě krytí glaukomových implantátů běžně používaná metoda, kterou v různých variacích publikovali i další autoři [143][144][145][146][147][148][149][150][151][152][153][154]. Lam obdobným způsobem popsal krytí Ahmedovy chlopně [143], Aslanides navrhl v této indikaci využití autologní skléry z důvodu lepší dostupnosti [144] a Zeppa publikoval modifikaci s fixací skléry za pomocí tkáňového lepidla [155].…”

Section: Chirurgie Glaukomuunclassified

“…Další materiály, které byly úspěšně použity při krytí glaukomových implantátů, jsou perikard [145,148,150,[156][157][158][159], dura mater [145,146], rohovka [152,154,156,157,160,161], tragální perichondrium [162], kolagenový implantát Ologen [163], fascia lata femoris [157] nebo amniová membrána [157,158]. Případně lze implantát zavést do sklerálního tunelu, kdy není potřeba žádný další krycí implantát [151,157,164,165]. Zejména rohovka se v poslední době v této indikaci jeví jako výhodná alternativa vzhledem k dobré dostupnosti (jako odpadní produkt refrakčních operací) a dobrému kosmetickému efektu [152].…”

Section: Chirurgie Glaukomuunclassified

Scleral Grafts in Ophthalmic Surgery. A Review

Dítě,

Netuková,

Procházková

et al. 2024

CSO

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Aim: To summarize the history and current trends in the use of scleral grafts in ophthalmology. Materials and methods: We conducted a review of the literature through the MEDLINE and Cochrane Library databases. The search terms were "sclera", "graft", and "surgery". The search resulted in 1596 articles, of which we evaluated 192 as relevant. The relevant articles were sorted chronologically and according to the method of using scleral grafts, which enabled the development of a review article. Results: The sclera has been routinely used in ophthalmology since the 1950s in many different indications. Some of these indications have become practically obsolete over time (for example, use in the surgical management of retinal detachment), but a large number still find application today (especially use in glaucoma or oculoplastic surgery, or as a patch for a defect in the sclera or cornea). Conclusion: Even though allogeneic sclera is currently used less frequently in ophthalmology compared to other tissue banking products and the range of its indications has partially narrowed, it remains a useful material due to its availability and properties.

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“…Alternative techniques to cover the GDD implant during surgery have also been described. In a randomised clinical trial, Pakravan et al [ 37 ] reported the use of a graft-free, short tunnel, small flap method of AGV implantation and compared it with a scleral patch graft. Comparable success rates, including postoperative IOPs, glaucoma medication burden, and complication rates through 1 year, were found with each approach.…”

Section: Glaucoma Drainage Devicesmentioning

confidence: 99%

Recent Advancements in Glaucoma Surgery—A Review

Ang,

Lim,

Betzler

et al. 2023

Bioengineering

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Surgery has long been an important treatment for limiting optic nerve damage and minimising visual loss in patients with glaucoma. Numerous improvements, modifications, and innovations in glaucoma surgery over recent decades have improved surgical safety, and have led to earlier and more frequent surgical intervention in glaucoma patients at risk of vision loss. This review summarises the latest advancements in trabeculectomy surgery, glaucoma drainage device (GDD) implantation, and minimally invasive glaucoma surgery (MIGS). A comprehensive search of MEDLINE, EMBASE, and CENTRAL databases, alongside subsequent hand searches—limited to the past 10 years for trabeculectomy and GDDs, and the past 5 years for MIGS—yielded 2283 results, 58 of which were included in the final review (8 trabeculectomy, 27 GDD, and 23 MIGS). Advancements in trabeculectomy are described in terms of adjunctive incisions, Tenon’s layer management, and novel suturing techniques. Advancements in GDD implantation pertain to modifications of surgical techniques and devices, novel methods to deal with postoperative complications and surgical failure, and the invention of new GDDs. Finally, the popularity of MIGS has recently promoted modifications to current surgical techniques and the development of novel MIGS devices.

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Ahmed Glaucoma Valve Implantation: Graft-Free Short Tunnel Small Flap versus Scleral Patch Graft after 1-Year Follow-up

Cited by 10 publications

References 28 publications

A graft-free scleral sleeve technique of Ahmed Glaucoma Valve implantation in refractory glaucoma- Rising to the challenge of COVID-19 pandemic

A graft-free scleral sleeve technique of Ahmed Glaucoma Valve implantation in refractory glaucoma- Rising to the challenge of COVID-19 pandemic

Scleral Grafts in Ophthalmic Surgery. A Review

Recent Advancements in Glaucoma Surgery—A Review

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