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Abstract #82062 Published in IGR 20-4

Outcomes of Descemet Stripping Endothelial Keratoplasty in Eyes With Pars Plana Versus Anterior Chamber Glaucoma Drainage Devices

Kang JJ; Rittterband DC; Lai K; Eisenberg RE; Liebmann JM; Seedor JA
Cornea 2019; 38: 1364-1369

See also comment(s) by Natali Afshari & Rebecca Lian • Huda Sheheitli & Steven Gedde •

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PURPOSE: To compare visual outcomes and complications of Descemet stripping endothelial keratoplasty (DSEK) in eyes with anterior chamber (AC) versus pars plana (PP) glaucoma drainage devices (GDDs). METHODS: A retrospective chart review was conducted of 85 eyes that underwent DSEK and had previous or concurrent AC (37 eyes) or PP (48 eyes) GDD implantation. Outcome measures examined included visual acuity, donor dislocation rate, intraocular pressure, and secondary graft failure (SGF). RESULTS: The mean logarithm of the minimum angle of resolution vision improved from 1.50 (SD = 0.64) to 0.88 (SD = 0.71) in the AC group and from 1.37 (SD = 0.59) to 1.20 (SD = 0.76) in the PP group, with no significant group difference. Intraocular pressure did not differ between the groups preoperatively but was higher in the AC group compared with the PP group postoperatively [mean (SD) 14.5 (6.28) versus 11.5 (5.54) mm Hg, P = 0.03]. Graft dislocation occurred in 35.1% and 29.2% of eyes in the AC and PP groups, respectively. SGF occurred in 18.9% and 41.7% with median time 17.1 (interquartile range [IQR] 4.6-32.1) and 27.9 (IQR 15.1-34.7) months to development in the AC and PP groups, respectively. Multivariable logistic and Cox proportional hazards regression models found no statistically significant factors (tube location, age, sex, concurrent tube revision, new tube insertion) associated with either donor dislocation or SGF. CONCLUSIONS: There was no reduction in donor dislocation or SGF in eyes with PP compared with AC GDD, despite the decreased proximity of the shunt from the endothelial graft. Overall, GDD has a significantly adverse effect on long-term graft survival and close follow-up is warranted.

Department of Ophthalmology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY.

Full article

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Classification:

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)
9.4.11.4 Glaucomas associated with corneal surgery (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders > 9.4.11 Glaucomas following intraocular surgery)

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