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Abstract #82192 Published in IGR 20-4

Glaucoma Drainage Devices and Reasons For Keratoplasty

Knier CG; Wang F; Baratz K; Khanna CL
Journal of Glaucoma 2019; 28: 906-910


: PRéCIS: Over 10 years in a tertiary care setting, glaucoma drainage devices (GDDs) have not increased as a reason for keratoplasty. PURPOSE: The purpose of this study was to determine whether the reasons for keratoplasty have changed between 10 years in a tertiary care setting, with special attention to the rate of GDDs as a reason for keratoplasty. METHODS: Patients aged 18 years or above who underwent keratoplasty at Mayo Clinic, Rochester, MN from 2005 to 2006 and 2015 to 2016 were studied. All reasons for keratoplasty performed in the study time period are assessed, including patients who previously had a GDD implanted in the same eye. After analyzing the reasons for keratoplasty, we assess whether the reasons for keratoplasty have changed between 2005 to 2006 and 2015 to 2016 in association with the increasing placement of GDDs. RESULTS: The number of keratoplasty procedures performed in the 2 time periods increased by 62% from 163 (2005 to 2006) to 264 (2015 to 2016), whereas GDD placement increased by 164% from 80 GDD (2005 to 2006) to 211 GDD (2015 to 2016). Although the performance of keratoplasty increased between the 2 points in time, the frequency of each cause for keratoplasty did not change significantly. The majority of keratoplasties were performed due to corneal disease, and GDDs made up a small portion of reasons for keratoplasty (2005 to 2006, 4.29%; 2015 to 2016, 5.68%). CONCLUSIONS: The frequency of GDDs as a reason for keratoplasty has not changed significantly between 10 years in this tertiary care setting. Patients with GDDs who later required keratoplasty had associated features including multiple surgical procedures and comorbid infection, pseudophakic bullous keratopathy, Fuchs dystrophy, pseudoexfoliation, uveitis, and congenital glaucoma.

Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic School of Medicine and Mayo Clinic Medical Scientist Training Program.

Full article

Classification:

12.8.2 With tube implant or other drainage devices (Part of: 12 Surgical treatment > 12.8 Filtering surgery)
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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