Mini-DMEK for the Treatment of Chronic Focal Corneal Endothelial Decompensation.

Autor: Händel A; Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; and., Siebelmann S; Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; and., Matthaei M; Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; and., Cursiefen C; Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; and.; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany., Bachmann B; Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; and.
Jazyk: angličtina
Zdroj: Cornea [Cornea] 2023 Jan 01; Vol. 42 (1), pp. 12-19. Date of Electronic Publication: 2022 Jul 04.
DOI: 10.1097/ICO.0000000000003048
Abstrakt: Purpose: The purpose of the study was to evaluate the feasibility of mini-descemet membrane endothelial keratoplasty ("Mini-DMEK," graft diameter <5 mm) for the treatment of chronic focal corneal endothelial decompensation for reasons other than acute hydrops in patients with keratoconus.
Methods: Of the 3010 patients registered in the prospective Cologne DMEK database, 16 patients with focal corneal endothelial decompensation treated with Mini-DMEK were identified. After exclusion of patients with acute hydrops in keratoconus (n = 9), indications for focal corneal endothelial decompensation were either defects in Descemet membrane after intraocular surgeries (n = 5) or corneal edema in the area of Haab striae in buphthalmus (n = 2). Best spectacle-corrected visual acuity, corneal thickness in the affected area, and rebubbling rates served as main outcome measures.
Results: All patients showed a postoperative increase in the best spectacle-corrected visual acuity from preoperative logarithm of the minimum angle of resolution (logMAR) 1.1 (±0.7) to logMAR 0.3 (±0.2) after the first month (P = 0.046) and to logMAR 0.3 (±0.2) after half a year (5-7 months) (P = 0.025). The corneal thickness decreased from preoperative 757 μm (±125) to 603 μm (±121) after the first month (P = 0.031) and to 593 μm (±131) after half a year (5-7 months) (P = 0.031). Rebubbling was necessary in 43% of patients (3 of 7 eyes). In 2 patients, Mini-DMEK was performed as triple Mini-DMEK including cataract surgery.
Conclusions: Mini-DMEK is an effective treatment option for focal chronic corneal endothelial decompensation caused by tears in Descemet membrane or other defects such as Haab striae. Mini-DMEK can also be performed as a triple procedure including cataract surgery (triple Mini-DMEK).
Competing Interests: The authors have no funding or conflicts of interest to disclose.
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Databáze: MEDLINE