Postoperative visual acuity in patients with fuchs dystrophy undergoing descemet membrane-stripping automated endothelial keratoplasty: Correlation with the severity of histologic changes

Dorrie M. Happ, David A. Lewis, Kevin H. Eng, Heather A.D. Potter, Aneesh Neekhra, Christopher R. Croasdale, David R. Hardten, Sarah Nehls, Michael Eide, Jocelyn Rowe, Sherif Khedr, Daniel Albert

Research output: Contribution to journalArticle

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Abstract

Objective: To investigate a correlation between the severity of histologic changes of the Descemet membrane in patients with Fuchs endothelial dystrophy and the bestcorrected visual acuity (VA) after Descemet membrane-stripping automated endothelial keratoplasty (DSAEK). Methods: In a retrospective study design, we created a histologic grading system based on common characteristics observed histologically among 92 DSAEK specimens sent to the University of Wisconsin Eye Pathology Laboratory with a clinical diagnosis of Fuchs dystrophy from 3 separate corneal surgeons. Cases were graded as mild, moderate, or severe on the basis of guttae dispersion, presence of a laminated Descemet membrane, presence of embedded guttae, and density of guttae. Regression models were built to study the relationship among preoperative VA, histologic findings, and bestcorrected VA 6 months and 1 and 2 years after DSAEK. Results: No correlation was found between the severity of histologic changes of Descemet membrane and preoperative VA. However, a correlation was noted between the preoperative and final VA. Cases with a laminated Descemet membrane but no embedded guttae (n=8) appeared to be less responsive to DSAEK. Otherwise, the severity of histologic changes of Descemet membrane observed in patients with Fuchs corneal dystrophy after DSAEK did not show a statistically significant correlation with final VA. Conclusions: Our analysis fails to show an inverse relationship between the severity of histologic changes of the Descemet membrane and the best-corrected VA of at least 20/40 after DSAEK for Fuchs endothelial dystrophy. However, in a subset of patients with Fuchs dystrophy who develop a laminated Descemet membrane without embedded guttae, the visual recovery after DSAEK is less than expected. The laminated architecture of Descemet membrane without embedded guttae may facilitate separation between the membrane layers and, thus, incomplete removal of the recipient's Descemet membrane during DSAEK, which may then limit the postoperative visual outcome.

Original languageEnglish (US)
Pages (from-to)33-38
Number of pages6
JournalArchives of ophthalmology
Volume130
Issue number1
DOIs
StatePublished - Jan 1 2012
Externally publishedYes

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Fuchs' Endothelial Dystrophy
Descemet Membrane
Corneal Transplantation
Visual Acuity

ASJC Scopus subject areas

  • Ophthalmology

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Postoperative visual acuity in patients with fuchs dystrophy undergoing descemet membrane-stripping automated endothelial keratoplasty : Correlation with the severity of histologic changes. / Happ, Dorrie M.; Lewis, David A.; Eng, Kevin H.; Potter, Heather A.D.; Neekhra, Aneesh; Croasdale, Christopher R.; Hardten, David R.; Nehls, Sarah; Eide, Michael; Rowe, Jocelyn; Khedr, Sherif; Albert, Daniel.

In: Archives of ophthalmology, Vol. 130, No. 1, 01.01.2012, p. 33-38.

Research output: Contribution to journalArticle

Happ, Dorrie M. ; Lewis, David A. ; Eng, Kevin H. ; Potter, Heather A.D. ; Neekhra, Aneesh ; Croasdale, Christopher R. ; Hardten, David R. ; Nehls, Sarah ; Eide, Michael ; Rowe, Jocelyn ; Khedr, Sherif ; Albert, Daniel. / Postoperative visual acuity in patients with fuchs dystrophy undergoing descemet membrane-stripping automated endothelial keratoplasty : Correlation with the severity of histologic changes. In: Archives of ophthalmology. 2012 ; Vol. 130, No. 1. pp. 33-38.
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abstract = "Objective: To investigate a correlation between the severity of histologic changes of the Descemet membrane in patients with Fuchs endothelial dystrophy and the bestcorrected visual acuity (VA) after Descemet membrane-stripping automated endothelial keratoplasty (DSAEK). Methods: In a retrospective study design, we created a histologic grading system based on common characteristics observed histologically among 92 DSAEK specimens sent to the University of Wisconsin Eye Pathology Laboratory with a clinical diagnosis of Fuchs dystrophy from 3 separate corneal surgeons. Cases were graded as mild, moderate, or severe on the basis of guttae dispersion, presence of a laminated Descemet membrane, presence of embedded guttae, and density of guttae. Regression models were built to study the relationship among preoperative VA, histologic findings, and bestcorrected VA 6 months and 1 and 2 years after DSAEK. Results: No correlation was found between the severity of histologic changes of Descemet membrane and preoperative VA. However, a correlation was noted between the preoperative and final VA. Cases with a laminated Descemet membrane but no embedded guttae (n=8) appeared to be less responsive to DSAEK. Otherwise, the severity of histologic changes of Descemet membrane observed in patients with Fuchs corneal dystrophy after DSAEK did not show a statistically significant correlation with final VA. Conclusions: Our analysis fails to show an inverse relationship between the severity of histologic changes of the Descemet membrane and the best-corrected VA of at least 20/40 after DSAEK for Fuchs endothelial dystrophy. However, in a subset of patients with Fuchs dystrophy who develop a laminated Descemet membrane without embedded guttae, the visual recovery after DSAEK is less than expected. The laminated architecture of Descemet membrane without embedded guttae may facilitate separation between the membrane layers and, thus, incomplete removal of the recipient's Descemet membrane during DSAEK, which may then limit the postoperative visual outcome.",
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AU - Lewis, David A.

AU - Eng, Kevin H.

AU - Potter, Heather A.D.

AU - Neekhra, Aneesh

AU - Croasdale, Christopher R.

AU - Hardten, David R.

AU - Nehls, Sarah

AU - Eide, Michael

AU - Rowe, Jocelyn

AU - Khedr, Sherif

AU - Albert, Daniel

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