Abstract
IntroductionThe quality of the corneal tissue can be influenced by several factors inherent to the recipient, donor, and to the donation and transplantation process. The donated corneal tissue can be classified by its quality as excellent, good, regular, bad, or unacceptable for transplantation, evaluating it in a slit lamp.ObjectiveTo analyze the relationship between the clinical and sociodemographic variables of the donors and the donation process and the classification of the quality of the corneal tissue collected for transplantation.MethodsThis is an epidemiologic study, retrospective cohort type, which addressed the process of cornea donation by the Human Eye Tissue Bank in a reference service in Northeast Brazil. The sample consisted of corneas processed by the Human Eye Tissue Bank of Rio Grande do Norte (n = 419). For descriptive and inferential analysis, the study used the Statistical Package for the Social Sciences (SPSS) software, version 25.0, and considered a significance level of 0.05. Logistic regression analysis was used for the adjustment of the final model.ResultsIt was verified that the epidemiological profile showed a prevalence of individuals with a mean age of 42.54 years old, male (73.99%), and living in the metropolitan region of the state capital (75.66%). When analyzing the relationship between the clinical and sociodemographic variables of the donors, it was identified that those aged 45 years old or less had better quality corneas (excellent and good), while the chronological variables were predictive factors for corneas of regular and bad qualities.ConclusionThe identification of the factors inherent to the donation process and predictors of corneal tissue quality contribute to minimizing the risk of transplantation and to a better ocular prognosis.
Highlights
The quality of the corneal tissue can be influenced by several factors inherent to the recipient, donor, and to the donation and transplantation process
The identification of the factors inherent to the donation process and predictors of corneal tissue quality contribute to minimizing the risk of transplantation and to a better ocular prognosis
The long-term success of the corneal transplant procedure is highly dependent on the quality of the tissue used
Summary
This is an epidemiologic study, retrospective cohort type, which addressed the process of cornea donation by the Human Eye Tissue Bank in a reference service in Northeast Brazil. The sample consisted of corneas processed by the Human Eye Tissue Bank of Rio Grande do Norte (n = 419). An epidemiologic observational study with a quantitative approach, of the retrospective cohort, longitudinal, descriptive and analytical type that covered the entire cornea donation process by the HETB in the state of Rio Grande do Norte (RN), in the northeastern region of Brazil. The cohort consisted of data of patients whose corneas captured by the HETB of the state of Rio Grande do Norte had the following conditions: corneas registered and classified regardless of the final outcome (excellent, good, regular or poor), provided they were subjected to at least
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