Graft adhesion in descemet membrane endothelial keratoplasty dependent on size of removal of host's descemet membrane

JAMA Ophthalmology
Theofilos TourtasFriedrich E Kruse

Abstract

It is essential to devise strategies that improve graft adhesion after Descemet membrane endothelial keratoplasty (DMEK) to reduce the rebubbling rate. To evaluate the influence of the extent of descemetorhexis on graft adhesion properties after DMEK. Single-surgeon, retrospective, observational case series conducted in the Department of Ophthalmology, University of Erlangen-Nuremberg, Germany, that reviewed the medical records of 200 consecutive patients undergoing DMEK. Fifty-three eyes of 51 patients undergoing DMEK for Fuchs endothelial dystrophy fulfilling the inclusion criteria were enrolled in this study. Based on intraoperative drawings, postoperative slitlamp examination, and photographs, eyes were divided into 2 groups. The diameter of the descemetorhexis was approximately 10 mm in group A (30 eyes), resulting in a peripheral 1-mm zone of denuded stroma between the graft and the host's Descemet membrane, and approximately 6 mm in group B (23 eyes), resulting in a peripheral 1-mm zone of overlapping between the graft and the host's Descemet membrane. Graft detachment rate, extent of graft detachment (in clock hours of graft's circumference), and rebubbling rate. Four days after DMEK, the graft detachment rate was 33.3%...Continue Reading

Citations

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