Ahmed glaucoma valve implant for management of glaucoma in Sturge-Weber syndrome

Hamush, Nicolas G.; Coleman, Anne L.; Wilson, M. Roy

doi:10.1016/s0002-9394(99)00259-7

Cited by 54 publications

(59 citation statements)

References 3 publications

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“…Several reports of Ahmed valve implantation (AVI) used in refractory paediatric glaucoma show comparable results to AVI in adults and implantation of other drainage devices. [28][29][30][31][32][33][34] This study was conducted to evaluate the efficacy, complications, and risk factors for failure after AVI in paediatric glaucoma patients who were refractory to medical treatment or other surgical procedures.…”

Section: Introductionmentioning

confidence: 99%

Clinical outcomes after Ahmed valve implantation in refractory paediatric glaucoma

Yang

Park

2008

Eye

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Purpose To evaluate clinical outcomes after Ahmed valve implantation in refractory paediatric glaucoma. Methods A retrospective review was conducted on 34 eyes from 29 patients with refractory glaucoma, who were younger than 18 years of age and who underwent Ahmed valve implantation. The main outcome measures were intraocular pressures (IOPs) and the number of glaucoma medications used. Qualified success was defined as IOP p21 mm Hg regardless of the number of glaucoma medications. Complete success was defined as IOP p21 mm Hg without glaucoma medication.Results Mean age at operation was 5.5 years (range, 0-16). Fifteen eyes (44.1%) had undergone previous glaucoma surgery before Ahmed valve implantation. Mean follow-up time was 29.1 months (range, 3-31). IOP was reduced from a preoperative mean of 37.5 ± 7.3 to 18.4 ± 7.3 mm Hg at 6 months postoperatively (Po0.01). At 12 months after surgery, the success rates were 63.3% (qualified success) and 13.3% (complete success). The cumulative probabilities of qualified success at 6, 12, and 24 months after Ahmed valve implantation were 89.0, 68.6, and 45.7%, respectively. The median time of survival was 19.6 ± 0.9 months. Conclusions Ahmed valve implantation is effective in lowering IOP in refractory paediatric glaucoma, with limited survival after long-term follow-up. Addition of a second Ahmed valve may be effective in the management of failure after primary implantation.

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Section: Introductionmentioning

confidence: 99%

Clinical outcomes after Ahmed valve implantation in refractory paediatric glaucoma

Yang

Park

2008

Eye

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“…1,[4][5][6][7][8][9][10] The latter group consists of paediatric glaucomas, [11][12][13][14][15][16][17][18] neovascular glaucomas, 19 and a variety of glaucomas associated with low success after filtration surgery in conditions such as uveitis, [20][21][22] aphakia, 23 pseudophakia, 23 post-vitreoretinal surgery, [23][24] and postpenetrating keratoplasty [25][26][27][28] surgery.…”

Section: Introductionmentioning

confidence: 99%

The Ahmed Glaucoma Valve in Refractory Glaucoma: experiences in Indian Eyes

Das

Zia

Sharma

et al. 2004

Eye

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Purpose To evaluate the efficacy of the Ahmed Glaucoma Valve implant in refractory glaucomas in Indian eyes. Materials and methods A retrospective review was conducted on the charts of 122 eyes of 122 patients with refractory glaucoma treated with Ahmed Glaucoma Valve implant placement at Guru Nanak Eye Centre, New Delhi between January 1996 and December 1999. The main outcome measure was success at the last follow-up. Success was defined as an intraocular pressure (IOP) of 22 mmHg or less and 5 mmHg or more and at least a 30% reduction in IOP without visually devastating complications or additional glaucoma surgery. Results The mean postoperative IOP (17.2973.79 mmHg) was significantly (Po0.001) lower than the mean preoperative IOP (31.4777.86 mmHg) at last follow up (mean 12.5178.37 months; range 3-24 months). The cumulative probability of success by Kaplan -Meier analysis was 85.95% at 12 months and 82.83% at 24 months. The mean number of postoperative antiglaucoma medications (0.7570.80) was also significantly lower (Po0.001) than the mean preoperative number of antiglaucoma medications (2.83 þ 0.72). The most common complication was corneal-tube contact, which occurred in five (4.10%) eyes. Retinal detachment occurred postoperatively in one eye with the clinical diagnosis of neovascular glaucoma secondary to Eale's disease. Two patients had tube extrusion requiring repositioning and reinforcement with scleral patch graft. Conclusions Ahmed Glaucoma Valve implantation is an effective and relatively safe therapy for the treatment of refractory glaucoma in Indians.

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“…Many surgeons prefer goinotomy (Shaffer et al, 1970;Iwach et al, 1990) or trabeculotomy (Rothkoff et al, 1979;Iwach et al, 1990) as the operation of choice but the success rate is less than that for primary congenital glaucoma (Shaffer et al 1970;Rothkoff et al 1979). The relatively low success rates and high risk of choroidal effusion with goniotomy and trabeculotomy has led to the opinion that an additional filtering surgery to bypass the episcleral veins such as Nepal J Ophthalmol 2015;7(14): 194-197 trabeculectomy or aqueous shunting procedure is current approach in patients refractive to medical therapy (Bellows et al 1979, Ali et al 1990Iwach et al 1990;Hamush et al 1999;Budenz et al 2000).…”

Section: Discussionmentioning

confidence: 99%

Management of childhood glaucoma in Sturge Weber Syndrome: A challenge

Lavaju

Mahat

2016

Nep J Oph

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Background: Sturge-Weber syndrome (SWS) is a rare congenital neuro-oculocutaneous disorder. Glaucoma is one of the ocular abnormalities associated with it. Management of glaucoma in SWS is challenging. Objective: To report surgical and visual outcome of trabeculectomy in bilateral glaucoma in Sturge-Weber syndrome and the challenges encountered in its management. Case description: A six-year-old girl presented with gradually progressive increase in size of both the eyes associated with watering, photophobia and diminution of vision since birth. On examination she was diagnosed to have bilateral SWS with glaucoma, refractive to antiglaucoma medications. She underwent trabeculectomy with intraoperative use of 5-FU. The post operative period was complicated with choroidal effusion in both the eyes with shallow anterior chamber. In the second post operative day, the right eye anterior chamber reformation was done with ringer lactate solution. There was spontaneous resolution of choroidal effusion with normalization of intraocular pressure with no adverse effect on visual acuity within one week. Conclusion: Treatment of glaucoma associated with Sturge-Weber syndrome is challenging. When planning surgical intervention an increased risk of choroidal effusion associated with it, should be kept in mind.

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Ahmed glaucoma valve implant for management of glaucoma in Sturge-Weber syndrome

Cited by 54 publications

References 3 publications

Clinical outcomes after Ahmed valve implantation in refractory paediatric glaucoma

Clinical outcomes after Ahmed valve implantation in refractory paediatric glaucoma

The Ahmed Glaucoma Valve in Refractory Glaucoma: experiences in Indian Eyes

Management of childhood glaucoma in Sturge Weber Syndrome: A challenge

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