Optimized Kalinnikov–Dinh technology for effective pre-Descemet’s endothelial keratoplasty (PDEK) graft preparation and preservation
Yury, Y Kalinnikov1; Dinh, T H Anh1,2; Svetlana, Y Kalinnikova3; Andrey, V Zolotarevskiy4
Abstract
We report an optimized Kalinnikov–Dinh technology for pre-Descemet’s endothelial keratoplasty (PDEK) that involves the use of a ring fixator, base, 30G needle connected to a 5-ml syringe with a spring-loaded plunger, and storage media. Our method allows to minimize graft preparation failure and preserves the PDEK graft efficiently, by reducing complications associated with the formation of type 1 big bubbles, including bubble rupture, perforation of Descemet’s membrane and endothelium, and formation of type 2 or mixed type of big bubbles, and may contribute to increasing the number of surgeons performing PDEK around the globe.
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