Clinical Outcomes of Descemet Membrane Endothelial Keratoplasty in Pseudophakic Eyes Compared With Triple-DMEK at 1-Year Follow-up.


PURPOSE:To compare the survival rate 1 year after Descemet membrane endothelial keratoplasty (DMEK) in pseudophakic eyes versus combined phacoemulsification and DMEK (triple-DMEK). METHODS:Retrospective, interventional, consecutive case series. From all DMEKs performed from January 1, 2017, to June 30, 2018, we selected those performed in pseudophakic eyes (pseudophakic DMEK) and those that underwent triple-DMEK. We compared the survival rate 1 year after surgery between both groups and between the Fuchs endothelial dystrophy (FED) cases in both groups, plus the FED cases versus the pseudophakic bullous keratopathy (PBK) cases in the pseudophakic DMEK group. Second, we compared rebubbling rates and the influence of the use of gas or corneal sutures on rebubbling and dislocation rates. RESULTS:A total of 329 eyes were included (218 eyes pseudophakic DMEK and 111 eyes triple-DMEK). The survival rate at 1 year was 79.8% and 90%, respectively (P = 0.03). When only FED cases were included (133 pseudophakic DMEK and 108 triple-DMEK), no significant difference was found (87.9% vs. 90.7%, P = 0.59). Within the pseudophakic DMEK group, the survival rate was higher in FED cases (87.8%) compared with PBK cases (66.6%) (P = 0.0001). Rebubbling rates were 21.1% (pseudophakic DMEK) and 17.1% (triple-DMEK) (P = 0.39). The use of gas versus air or placing corneal sutures did not seem to influence the rebubbling (P = 0.64 and P = 0.13, respectively) or dislocation rates (P = 0.71 and P = 0.53, respectively). CONCLUSIONS:In the FED cases, performing phacoemulsification before DMEK or doing a combined procedure did not seem to affect the rebubbling or survival rate up to 1 year postoperatively. PBK was associated with a higher failure rate compared with that of FED.






Fajardo-Sanchez J,de Benito-Llopis L




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2020-12-22 00:00:00








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