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A Randomised Controlled Trial Comparing Microthin Descemet Stripping Automated Endothelial Keratoplasty (MT-DSAEK) with Descemet Membrane Endothelial Keratoplasty: 2 year report

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posted on 2023-08-30, 20:03 authored by Rathin Pujari, Artemis Matsou, Jane Kean, Jufen Zhang, Madhavan Rajan
Purpose: The purpose of this study was to report the 2-year outcomes of a double-blinded randomized controlled trial comparing Descemet membrane endothelial keratoplasty (DMEK) and microthin Descemet stripping automated endothelial keratoplasty (MT-DSAEK). Methods: Fifty-six eyes of 56 patients were randomized to DMEK or microthin DSAEK (MT-DSAEK). The main outcome measure was best spectacle-corrected visual acuity (BSCVA) at 24 months. Other secondary outcomes included complications, endothelial cell density, and vision-related quality-of-life (vQoL) scores. Results: There was no statistically significant difference in BSCVA between the DMEK and MT-DSAEK groups at the 2-year time point (mean ± SD; 0.04 ± 0.14 vs. 0.12± 0.19, P = 0.061) in contrast to the 1-year results (mean ± SD; 0.04 ± 0.13 vs. 0.11 ± 0.09, P = 0.002) previously reported. Endothelial cell density did not show a statistically significant difference at 24 months between the DMEK and MT-DSAEK groups (1522 ± 293 cell/mm2 vs. 1432 ± 327 cells/mm2, P = 0.27). There were 2 additional graft rejection episodes in the MT-DSAEK group between the 1- and 2-year follow-up periods, but this did not result in graft failure. The mean vQoL scores between DMEK and MT-DSAEK indicated similar patient satisfaction between the groups (97.1 ± 4.0 vs. 92.6 ± 10.2, P = 0.13). Conclusions: In summary, the trial showed no significant difference in BSCVA at 24 months between the DMEK and MT-DSAEK groups. Both techniques continued to demonstrate comparable outcomes for complication rates, endothelial cell loss, and patient-reported vQoL scores.

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Refereed

  • Yes

Volume

0

Issue number

0

Page range

0-0

Publication title

Cornea

ISSN

1536-4798

Publisher

Lippincott, Williams & Wilkins

File version

  • Supplemental material

Language

  • eng

Legacy posted date

2022-07-04

Legacy creation date

2022-07-04

Legacy Faculty/School/Department

Faculty of Health, Education, Medicine & Social Care

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