Descemet's stripping with automated endothelial keratoplasty and glaucoma. 2010

Michael R Banitt, and Vikas Chopra
Bascom Palmer Eye Institute, Miller School of Medicine, University of Miami, Miami, Florida, USA.

OBJECTIVE Descemet's stripping with automated endothelial keratoplasty (DSAEK) has recently become the preferred surgical procedure replacing penetrating keratoplasty (PKP) for corneal endothelial disorders. However, DSAEK may also be associated with postprocedure intraocular pressure elevation and secondary glaucoma, and presents unique surgical challenges in patients with preexisting glaucoma surgeries. RESULTS The relatively high rate of glaucoma induction or worsening after PKP has significant implications leading to corneal graft failure and irreversible vision loss from glaucomatous optic neuropathy. In contrast, DSAEK, in addition to providing excellent visual outcomes with faster recovery, may provide advantages over PKP with lower risk of serious, vision-threatening glaucoma-related complications. Pupillary block glaucoma, steroid-induced intraocular pressure elevation, and less commonly peripheral anterior synechiae development have been reported after DSAEK. In patients with preexisting glaucoma surgical procedures (trabeculectomy or tube shunts), special attention to techniques (which continue to evolve) are required to perform DSAEK safely and effectively. CONCLUSIONS As DSAEK continues to gain popularity and advance with more studies performed, our understanding of DSAEK-associated intraocular pressure elevation and secondary glaucoma-related complications will become more complete. Current limited data suggest that DSAEK may be a suitable surgical alternative to PKP in patients with corneal endothelial disease and coexistent glaucoma with or without prior glaucoma procedures with faster recovery and good visual outcomes.

UI MeSH Term Description Entries
D007429 Intraocular Pressure The pressure of the fluids in the eye. Ocular Tension,Intraocular Pressures,Ocular Tensions,Pressure, Intraocular,Pressures, Intraocular,Tension, Ocular,Tensions, Ocular
D003316 Corneal Diseases Diseases of the cornea. Corneal Disease,Disease, Corneal,Diseases, Corneal
D004728 Endothelium, Corneal Single layer of large flattened cells covering the surface of the cornea. Anterior Chamber Epithelium,Corneal Endothelium,Endothelium, Anterior Chamber,Epithelium, Anterior Chamber,Anterior Chamber Endothelium
D005901 Glaucoma An ocular disease, occurring in many forms, having as its primary characteristics an unstable or a sustained increase in the intraocular pressure which the eye cannot withstand without damage to its structure or impairment of its function. The consequences of the increased pressure may be manifested in a variety of symptoms, depending upon type and severity, such as excavation of the optic disk, hardness of the eyeball, corneal anesthesia, reduced visual acuity, seeing of colored halos around lights, disturbed dark adaptation, visual field defects, and headaches. (Dictionary of Visual Science, 4th ed) Glaucomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015948 Keratoplasty, Penetrating Partial or total replacement of all layers of a central portion of the cornea. Keratoplasties, Penetrating,Penetrating Keratoplasties,Penetrating Keratoplasty
D057111 Descemet Stripping Endothelial Keratoplasty A surgical procedure or KERATOPLASTY involving selective stripping and replacement of diseased host DESCEMET MEMBRANE and CORNEAL ENDOTHELIUM with a suitable and healthy donor posterior lamella. The advantage to this procedure is that the normal corneal surface of the recipient is retained, thereby avoiding corneal surface incisions and sutures.

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