Clinical outcomes of repeat autologous cultivated limbal epithelial transplantation for ocular surface burns. 2012

Sayan Basu, and Hasnat Ali, and Virender S Sangwan
Cornea and Anterior Segment Services, Sudhakar and Sreekanth Ravi Stem Cell Biology Laboratory, Department of Clinical Epidemiology and Biostatistics, L V Prasad Eye Institute, Hyderabad, India.

OBJECTIVE To report the clinical outcomes of repeat autologous cultivated limbal epithelial transplantation in patients with recurrence of limbal stem cell deficiency after a failed primary procedure. METHODS Retrospective case series. METHODS This study included 50 patients, above 8 years of age, with clinically diagnosed unilateral limbal stem cell deficiency following ocular surface burns, treated between 2001 and 2010. Following failure of primary surgery all patients underwent a repeat limbal biopsy from the unaffected eye. The limbal cells were expanded ex vivo on a human amniotic membrane substrate for 10 to 14 days using a completely xeno-free explant culture technique. The resulting cultured epithelial monolayer and amniotic membrane were transplanted onto the patient's affected eye. All patients underwent a comprehensive ophthalmic examination of both eyes at every follow-up visit. Postoperative corneal surface stability, change in visual acuity, and complications were objectively analyzed. RESULTS At a mean follow-up of 2.3±1.4 (median: 1.96, range: 1 to 7.5) years, 33 of the 50 recipient eyes (66%) maintained a completely epithelialized, avascular, and clinically stable corneal surface. A 2-line improvement in visual acuity was seen in 38 of the 50 recipient eyes (76%). None of the donor eyes developed any clinical features of ocular surface disease, conjunctival overgrowth of the donor site, or decrease in vision throughout the follow-up period. CONCLUSIONS Repeat autologous cultivated limbal epithelial transplantation successfully restores corneal epithelial stability and improves vision in eyes with recurrence of limbal stem cell deficiency, following failed primary surgery for ocular burns, without adversely affecting donor eyes.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012086 Reoperation A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery. Revision, Joint,Revision, Surgical,Surgery, Repeat,Surgical Revision,Repeat Surgery,Revision Surgery,Joint Revision,Revision Surgeries,Surgery, Revision
D002057 Burns, Chemical Burns caused by contact with or exposure to CAUSTICS or strong ACIDS. Chemical Burns,Burn, Chemical,Chemical Burn
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003316 Corneal Diseases Diseases of the cornea. Corneal Disease,Disease, Corneal,Diseases, Corneal
D005126 Eye Burns Injury to any part of the eye by extreme heat, chemical agents, or ultraviolet radiation. Burn, Eye,Burns, Eye,Eye Burn
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup

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