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Long‐term functional and anatomical results of OOKP and tibial OKP: Barcelona experience
Author(s) -
DE LA PAZ MF,
BARRAQUER J
Publication year - 2009
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/j.1755-3768.2009.4224.x
Subject(s) - medicine , tibia , surgery , ophthalmology
Purpose To report the long‐term functional and anatomical results of OOKP and Tibial OKP performed at the Barraquer Eye Center from 1974‐2006. Different factors like surgical technique, clinical diagnosis, age and post‐operative complications are also analyzed and reported. Methods A retrospective study on 330 eyes of 227 patients who underwent OOKP or tibia OKP was performed. Kaplan Meier survival curves and multivariate analysis using Cox regression model of the different variables mentioned are presented. Results OOKP and Tibia OKP have comparable functional and anatomical results in the long‐term. Best long‐term functional and anatomical results are for patients with chemical burns, cicatricial trachoma and Stevens‐Johnsons/Lyell syndrome. Thermal burns have a higher anatomical retention than other diagnostic categories. Younger patients have better visual prognosis and anatomical retention than older patients. Patients must be warned of the possibility of sight‐threatening complications like extrusion of the prosthesis, retinal detachment and glaucoma. Conclusion Our more than 35 years experience with biological keratoprosthesis using the OOKP and the tibia OKP shows that the two techniques are comparable. Certain variables like clinical diagnosis, age and post‐operative complications affect the anatomical and functional results in the long‐term.