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Descemet's membrane endothelial keratoplasty for pseudoexfoliation syndrome: a case series.

ABSTRACT: BACKGROUND:To evaluate the clinical outcomes and features of Descemet's membrane endothelial keratoplasty (DMEK) for eyes with pseudoexfoliation syndrome (PEX). METHODS:In this retrospective study, 37 DMEK cases were reviewed from available medical records. Patients who exhibited endothelial dysfunction derived from PEX or Fuchs endothelial corneal dystrophy (FECD) and successfully underwent cataract surgery about four weeks before DMEK were enrolled. The best spectacle-corrected visual acuity (BSCVA), central corneal thickness (CCT), endothelial cell density (ECD), and incidence of intra-operative/post-operative complications of DMEK were analyzed. RESULTS:This study included 14 eyes of 14 patients (PEX: n =?6, FECD: n =?8). There was no primary graft failure. In the PEX group, BSCVA improved from 0.67?±?0.28 at the preoperative point to 0.43?±?0.14 at 1?month, 0.27?±?0.10 at 3?months, and 0.19?±?0.08 at 6?months after DMEK. The donor corneal ECD was 2704?±?225 cells/mm2 at the preoperative point and decreased to 1691?±?498 cells/mm2 at 1?month, 1425?±?366 cells/mm2 at 3?months, and 1281?±?340 cells/mm2 (52.7?±?11.7% less than ECD of the donor graft) at 6?months after DMEK. None of the patients required rebubbling. When compared with the FECD group, no statistical difference was observed in CCT (p =?0.821); BSCVA (p =?0.001) and the reduction rate of ECD (p =?0.010) were relatively worse. CONCLUSIONS:DMEK is effective for the treatment of endothelial dysfunction due to PEX.

SUBMITTER: Tase S

PROVIDER: S-EPMC6537358 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Descemet's membrane endothelial keratoplasty for pseudoexfoliation syndrome: a case series.

Tase Saho S Shimizu Toshiki T Hayashi Takahiko T Tabuchi Hitoshi H Niimi Koji K Mizuki Nobuhisa N Kato Naoko N

BMC ophthalmology 20190528 1

<h4>Background</h4>To evaluate the clinical outcomes and features of Descemet's membrane endothelial keratoplasty (DMEK) for eyes with pseudoexfoliation syndrome (PEX).<h4>Methods</h4>In this retrospective study, 37 DMEK cases were reviewed from available medical records. Patients who exhibited endothelial dysfunction derived from PEX or Fuchs endothelial corneal dystrophy (FECD) and successfully underwent cataract surgery about four weeks before DMEK were enrolled. The best spectacle-corrected ...[more]

PMID: 31138243

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Project description:Based on current evidence, the efficiency and safety of Descemet's membrane endothelial keratoplasty (DMEK) was compared with that of Descemet's stripping endothelial keratoplasty (DSEK).Pubmed, Embase, Web of Science, the Cochrane Database and conference abstracts were comprehensively searched for studies that compared the efficacy and safety of DMEK and DSEK. The efficacy outcome was the postoperative best-corrected visual acuity (BCVA). The safety outcomes included the postoperative endothelial cell density (ECD) and complications such as graft detachment, graft rejection, graft failure, postoperative elevated intraocular pressure (IOP), tissue loss, etc. The outcomes were pooled using random-effects models with Stata 13.0 software. Heterogeneity was qualified with Q statistic and I2/H2 statistic. Publication bias was assessed using funnel plot, Begg rank correlation test, and Egger or Horbard linear regression.19 articles were eligible, and 1124 eyes and 1254 eyes were included in the DMEK and DSEK groups, respectively. The overall pooled estimates showed a significantly better postoperative BCVA, a comparable ECD and an increased graft detachment rate in the DMEK group compared with the DSEK group (BCVA: mean difference (MD) = -0.15, 95% CI = -0.19 to -0.11, P<0.001; ECD: MD = 14.88, 95% CI = -181.50 to 211.27, P = 0.882; graft detachment rate: OR = 4.56, 95% CI = 2.43 to 8.58, P<0.001). Except for the postoperative ECD, which was changed to be higher in the DSEK group than the DMEK group, the learning curve did not have a marked effect on the comparison outcome of the BCVA and graft detachment rate based on the estimates pooled from studies that collected data during the DMEK learning phase (ECD (learning curve): MD = -361.24, 95% CI = -649.42 to -73.07, P = 0.014).Although DMEK is a more technically difficult and challenging procedure, it may represent a safe and more efficient alternative to DSEK for the treatment of corneal endothelial diseases, even during its learning curve.

Dataset Information

Descemet's membrane endothelial keratoplasty for pseudoexfoliation syndrome: a case series.

Publications

Descemet's membrane endothelial keratoplasty for pseudoexfoliation syndrome: a case series.

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