Abstract
Purpose
The purpose of this study is to compare the safety and clinical results of descemet membrane endothelial keratoplasty (DMEK) in topical, peribulbar or general anesthesia.
Methods
This is a retrospective, post hoc matched study of 120 patients having received DMEK surgery with different types of anesthesia (n = 40 topical, n = 40 peribulbar, n = 40 general anesthesia). Endpoint criteria were intraoperative complications, endothelial cell count, central corneal thickness and graft rejection rate, rebubbling rate and best-corrected visual acuity after 1, 3 and 6 months.
Results
The group with topical anesthesia showed more often intraoperative difficulties such as vitreous pressure (p < 0.05), difficult graft unfolding (p = 0.14) and patient restlessness (p = 0.07). However, all three groups achieved comparable functional visual results after 6 months (p = 0.96).
Conclusion
DMEK in topical anesthesia is feasible and shows comparable final visual results but should be restricted to selected cooperative patients and performed by experienced surgeons due to possible higher intraoperative challenges.
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We thank Dr. Maria della Volpe Waizel for editing the manuscript.
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Peter Szurman has a patent for the DMEK injector (EP2533724 B1; WO2012065602 A3).
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Sascha Jung: no affiliations, statistical analysis.
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Rickmann, A., Andres, C., Boden, K. et al. Analysis of different types of anesthesia in descemet membrane endothelial keratoplasty. Int Ophthalmol 40, 541–545 (2020). https://doi.org/10.1007/s10792-019-01210-9
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DOI: https://doi.org/10.1007/s10792-019-01210-9