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Title: Endothelial cell loss and graft survival after descemet's stripping automated endothelial keratoplasty and penetrating keratoplasty
Authors: Ang, M.
Mehta, J.S. 
Lim, F.
Bose, S.
Htoon, H.M.
Tan, D.
Issue Date: Nov-2012
Source: Ang, M., Mehta, J.S., Lim, F., Bose, S., Htoon, H.M., Tan, D. (2012-11). Endothelial cell loss and graft survival after descemet's stripping automated endothelial keratoplasty and penetrating keratoplasty. Ophthalmology 119 (11) : 2239-2244. ScholarBank@NUS Repository.
Abstract: Purpose: We sought to compare endothelial cell (EC) loss and graft survival after Descemet's stripping automated endothelial keratoplasty (DSAEK) and conventional penetrating keratoplasty (PK) in Asian eyes. Design: Retrospective, nested, cohort study. Participants: Consecutive patients who underwent DSAEK or PK with Fuchs' endothelial dystrophy or pseudophakic and aphakic bullous keratopathy (BK) at a single tertiary center from April 1, 2006, to April 1, 2008. Methods: Clinical data, and donor and recipient characteristics were recorded from our prospective cohort from the Singapore Corneal Transplant Study. Main Outcome Measures: Percent EC loss and graft survival up to 3 years. Results: There were no differences in baseline characteristics of patients comparing DSAEK and PK; there were more patients with BK (n = 141, 68.4%) than Fuchs' dystrophy. Percent EC loss was lower in DSAEK compared with PK at 1 (30±22% vs 37±25%; P = 0.045), 2 (36±23% vs 45±33%; P = 0.018), and 3 years (39±24% vs 47±28%; P = 0.022) postoperatively. Graft survival was comparable (log-rank P = 0.671) between DSAEK and PK at 1 (94% vs 90%), 2 (88% vs 85%), and 3 years (87% vs 85%). Conclusions: Compared with PK, DSAEK resulted in lower EC loss with comparable cumulative graft survival rates for up to 3 years in patients with Fuchs' dystrophy and BK. Financial Disclosure(s): The authors have no proprietary or commercial interest in any of the materials discussed in this article. © 2012 American Academy of Ophthalmology.
Source Title: Ophthalmology
ISSN: 01616420
DOI: 10.1016/j.ophtha.2012.06.012
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