Document Detail


Host and graft thickness after Descemet stripping endothelial keratoplasty for Fuchs endothelial dystrophy.
MedLine Citation:
PMID:  20688317     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: To determine relationships between vision, forward scatter, and total corneal and graft thicknesses after Descemet stripping endothelial keratoplasty (DSEK). DESIGN: Prospective, cohort study. METHODS: Forty-four eyes with Fuchs endothelial dystrophy were examined before and at 1, 3, 6, and 12 months after DSEK; all eyes were pseudophakic after surgery. Central total corneal and graft thicknesses were measured using confocal microscopy. Best-corrected high-contrast visual acuity (BCVA) was measured using the electronic Early Treatment Diabetic Retinopathy Study protocol, and forward light scatter was measured using a straylight meter. RESULTS: Total corneal thickness was 610 ± 50 μm (mean ± standard deviation) before DSEK, increased to 680 ± 74 μm by 1 month after DSEK (P < .001), and stabilized at 660 ± 68 μm by 3 months after DSEK (P = .03 vs 1 month). Graft thickness was 170 ± 57 μm at 1 month, decreased to 157 ± 49 μm by 3 months (P = .004), and then remained stable through 12 months (156 ± 51 μm; P = .99 vs 3 months). BCVA was 0.44 ± 0.21 logarithm of the minimal angle of resolution (logMAR) units (Snellen equivalent, 20/55) before DSEK, improved to 0.26 ± 0.20 logMAR units (Snellen equivalent, 20/36) by 3 months (P < .001), and improved to 0.16 ± 0.16 logMAR units (Snellen equivalent, 20/29) at 12 months (P < .001 vs 3 months). BCVA and forward light scatter did not correlate with corneal or graft thickness after DSEK. CONCLUSIONS: Stromal edema resolves by 3 months after DSEK for Fuchs dystrophy, whereas visual acuity continues to improve through 12 months. Thicker corneas and grafts are not associated with worse visual acuity or increased forward scatter.
Authors:
Kamran A Ahmed; Jay W McLaren; Keith H Baratz; Leo J Maguire; Katrina M Kittleson; Sanjay V Patel
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Publication Detail:
Type:  Journal Article     Date:  2010-08-04
Journal Detail:
Title:  American journal of ophthalmology     Volume:  150     ISSN:  1879-1891     ISO Abbreviation:  Am. J. Ophthalmol.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-24     Completed Date:  2010-10-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370500     Medline TA:  Am J Ophthalmol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  490-497.e2     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2010 Elsevier Inc. All rights reserved.
Affiliation:
Mayo Medical School, Mayo Clinic, Rochester, MN 55905, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Anthropometry
Body Weights and Measures
Cohort Studies
Cornea / pathology
Descemet Stripping Endothelial Keratoplasty*
Endothelium, Corneal / pathology*,  transplantation
Follow-Up Studies
Fuchs' Endothelial Dystrophy / surgery*
Humans
Microscopy, Confocal
Middle Aged
Organ Transplantation
Prospective Studies
Visual Acuity / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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