Abstract
Introduction: The aim of this study was to assess quality of life in patients undergoing implantation of a Dohlman keratoprosthesis. Materials and methods: Cross-sectional controlled, with patients undergoing implant Dohlman keratoprosthesis type I at the Hospital de Clinicas de Porto Alegre between September 2005 and May 2013. Two questionnaires of quality of life were administered in these patients SF-36 and VF-14. Furthermore, a retrospective patient charts analysis was performed. Results: Keratoprosthesis implant surgery was performed in 33 eyes of 26 patients. A statistically significant difference was found between groups (separated by visual acuity) for the questionnaire of visual acuity (p=0.01). In SF-36 domains, there were difference in general health (p=0.036), vitality (p=0.028) and mental health (p=0.037). On the Spearman correlation analysis, 5 of the 8 domains of the SF-36, correlated with visual questionnaire (VF-14), when analyzed for the entire sample. When we separated the analysis by subgroups (according to visual acuity), in the group of lowest visual acuity had only one domain correlation (mental health). In the group of best vision, the 5 domains remained with a positive association. Conclusion: Patients with greater visual acuity showed better results in the VF-14 responses, with a statistically significant difference between groups.
Highlights
The aim of this study was to assess quality of life in patients undergoing implantation of a Dohlman keratoprosthesis
According to the World Health Organization (WHO), it has been estimated that 285 million people worldwide have some visual loss - 39 million bilaterally blind
Questionnaires were applied in 21 patients, analyzing their results, visual acuity and rate of complications
Summary
The aim of this study was to assess quality of life in patients undergoing implantation of a Dohlman keratoprosthesis. According to the World Health Organization (WHO), it has been estimated that 285 million people worldwide have some visual loss - 39 million bilaterally blind. 8 million are due to corneal causes [1]. Diseases affecting the cornea are a major cause of blindness worldwide, behind only to cataract in overall importance. There is a disproportionate prevalence of corneal diseases as a leading cause of blindness [2]. In Brazil, this statistic points to more than two million people with some level of visual disability. According to the WHO, this number is expected to grow in proportion in the near future, due to factors such as the gradual increase in average life expectancy [1]
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