Descemet Membrane Endothelial Keratoplasty After Failed Penetrating Keratoplasty.

Abstract:

PURPOSE:To demonstrate the feasibility of Descemet membrane endothelial keratoplasty (DMEK) performed after previous penetrating keratoplasty (PK) failure and to describe primary outcomes. METHODS:Twenty-eight eyes of 28 patients who underwent DMEK after primary PK failure between January 2013 and November 2017 were included in this single-center retrospective study. Best spectacle-corrected visual acuity, endothelial cell density, and the recipient's central corneal thickness were recorded preoperatively and at 1, 3, and 6 months after surgery. RESULTS:The main indications for primary PK were keratoconus (32%), Fuchs dystrophy (18%), and pseudophakic bullous keratopathy (14%). After a 6-month follow-up, best spectacle-corrected visual acuity was significantly improved in 26 patients (93%) with a mean gain of +0.59 ± 0.47 LogMAR (P < 0.0004). Mean pachymetry reduction was 110 ± 108 μm (P < 0.00003) at 6 months. Mean endothelial cell density was 2016 ± 288 cells/mm (P < 0.006), (24% decrease compared with preoperative values). Graft detachment (>1/3) was observed in 14 cases (50%) and rebubbling was needed (100% effective) during the first 2 weeks after surgery. Elevated intraocular pressure was reported in 5 cases. No early graft rejections were reported. CONCLUSIONS:In case of previous PK failure, DMEK is an alternative treatment to re-PK. A longer follow-up to ensure the long-term viability of the graft is needed.

journal_name

Cornea

journal_title

Cornea

authors

Pierné K,Panthier C,Courtin R,Mazharian A,Souedan V,Gatinel D,Saad A

doi

10.1097/ICO.0000000000001834

subject

Has Abstract

pub_date

2019-03-01 00:00:00

pages

280-284

issue

3

eissn

0277-3740

issn

1536-4798

journal_volume

38

pub_type

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