Pars plana tube insertion of glaucoma drainage implants and penetrating keratoplasty in patients with coexisting glaucoma and corneal disease

Sidoti, Paul A.; Mosny, Aimi Y; Ritterband, David C.; Seedor, John A.

doi:10.1016/s0161-6420(01)00583-8

Cited by 119 publications

(102 citation statements)

References 47 publications

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“…Several authors have evaluated the success rates of different tubeplacement locations. 53,54,67 At 1 year, Arroyave found no difference in IOP control between the anterior chamber and pars plana tube placement, but the corneal grafts remained clear in only 48% of patients with tubes inserted into the anterior chamber vs 83% of patients with tubes placed in the pars plana. Sidoti studied 34 eyes with pars plana tube insertion and found IOP controlled in only 62% of eyes after 2 years, with clear grafts in 41% of the eyes.…”

Section: Trabeculectomymentioning

confidence: 97%

“…Many studies have evaluated the efficacy of drainage implants, while evaluating graft clarity (Table 2). [53][54][55][56][57][58][59][60][61][62][63][64][65][66] Glaucoma drainage implants (GDIs) are possibly the most successful modality for control of IOP after the fewest treatment procedures. 39,44,64 IOP control has been reported to be 62-96% after 2 years of follow-up.…”

Section: Trabeculectomymentioning

confidence: 99%

“…39,44,64 IOP control has been reported to be 62-96% after 2 years of follow-up. 54,58 The rate of graft failure has been reported to be 35-74% after 2 years of follow-up. 59,60 The optimal location for the drainage tube remains controversial.…”

Section: Trabeculectomymentioning

confidence: 99%

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Management of patients with combined glaucoma and corneal transplant surgery

Banitt

Lee

2009

Eye

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Penetrating keratoplasty (PKP) is associated with an increased risk of secondary glaucoma. The development of glaucoma after PKP is an important risk factor for decreased corneal graft survival. The incidence of glaucoma after corneal transplant as well as the mechanism of developing increased intraocular pressure is reviewed in this paper. Treatments for post-PKP glaucoma include medications, laser, and surgery. The most frequent surgical glaucoma intervention is implantation of a glaucomadrainage device. Recent advances in corneal transplantation surgery may help to decrease corneal failure and the risk of developing post-keratoplasty glaucoma.

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Section: Trabeculectomymentioning

confidence: 97%

Section: Trabeculectomymentioning

confidence: 99%

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Management of patients with combined glaucoma and corneal transplant surgery

Banitt

Lee

2009

Eye

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“…23 In grafts considered at low risk for immunologic rejection, the central cell density continued to decrease year after year with a median decrease of 70% at 5 years after corneal transplantation. 23 While the specific processes behind this cell loss are not fully understood, several risk factors have been identified that increase the overall risk of graft failure including the presence of glaucoma 24,25 , glaucoma drainage devices [26][27][28][29][30][31][32][33][34][35] , anterior synechiae 24 , previous graft failure 24,31 , and small graft size. 24,25 In comparing our 5 APK patients to those in the literature, our patients were at overall higher risk for graft failure when considering the above criteria.…”

Section: Discussionmentioning

confidence: 99%

6047 Endothelial Graft Failure after Contralateral Autologous Corneal Transplantation

Martinez¹

2012

SciVee

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Purpose-To report on outcomes after contralateral autologous penetrating keratoplasty (APK). Design: Case series.Patient population: 5 patients who received a contralateral APK and a simultaneous allogeneic PKP in the donor eye at the Bascom Palmer Eye Institute and the Miami Veterans Affairs Hospital.Results-The median patient age at the time of surgery in our 5 patients was 67 years (range, 58-88 years); 4 patients were male and 1 female, 1 patient was white and 4 black. The surgery was uneventful in all cases and no operative or immediate post-operative complications occurred in either eye. Follow-up time ranged from 18-54 months (mean, 35 months; median, 34 months). During this time, 4 of the autologous grafts failed due to endothelial attenuation. Identified risk factors for failure in the autologous eyes included the presence of a glaucoma tube (5/5), previous graft failure (4/5) and anterior synechiae in (2/5).Conclusion-This study is the first to describe graft failure due to slow endothelial attenuation after APK. This study underscores the importance of non-immunologic factors in endothelial cell loss after corneal transplant surgery and highlights the need for further research to understand and modulate endothelial loss.

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“…However, the incidence of complications may be higher with pars plana versus limbal tube insertion and includes tube occlusion by vitreous, choroidal effusions, suprachoroidal haemorrhage, vitreous haemorrhage, and retinal detachment. 109 The main cause of GDD failure is fibrosis and encapsulation around the plate. Whereas in trabeculectomy the use of anti-scarring agents to reduce fibrosis is thought to improve the success of surgery, the same advantage has not been clearly established in GDD surgery with conflicting results in the published paediatric literature.…”

Section: Gddmentioning

confidence: 99%