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Rev. bras. oftalmol ; 75(3): 195-204, tab, graf
Article in Portuguese | LILACS | ID: lil-787702

ABSTRACT

RESUMO Objetivo: Estudar, através do exame histopatológico, a epidemiologia de ceratites fúngicas tratadas com ceratoplastia penetrante terapêutica, enfatizando a presença de cirurgia ocular prévia. Métodos: Inicialmente, o estudo foi observacional e transversal de botões corneanos provenientes de ceratoplastia penetrante no período de 2006-2015 enviados para exame histopatológico ao banco de olhos do Hospital Geral de Fortaleza. Os tecidos foram corados com Hematoxilina-eosina, PAS ou Grocott, e examinados com microscópio óptico. Foram selecionados casos com diagnóstico histopatológico de ceratite fúngica. Após a selecão, realizamos revisão de prontuários buscando idade e sexo do paciente, data(s) do(s) transplante(s) por ceratite fúngica, diagnóstico clínico précirúrgico, presença/tipo de cirurgias anteriores e/ou posteriores. Incluímos 62 botões corneanos de 55 pacientes. Resultados: A maioria dos pacientes era do sexo masculino. Apenas 7 (11,29%) casos tiveram recidiva da infecção tratada cirurgicamente. 10 (16,13%) casos possuíam cirurgia ocular prévia a ceratite fúngica tratada por transplante. Nenhum caso teve ceratite fúngica como diagnóstico clínico pré-cirúrgico. A principal forma de fungo no exame histopatológico foi forma leveduriforme isolada, seguida pela leveduriforme associada à filamentosa. O aspecto predominante da membrana de Descemet foi livre de fungos. Conclusão: Demonstramos o potencial curativo das ceratites fúngicas quando tratadas com ceratoplastia penetrante terapêutica e uma possível associação do fator cirurgia ocular prévia ao desenvolvimento dessas infecções. Características do exame histopatológico foram abordadas diferente de outros estudos que, em sua maioria, citam apenas o exame microbiológico. A dificuldade no diagnóstico clínico précirúrgico foi ressaltada, o que pode ter contribuído com a evolução dos casos estudados para tratamento cirúrgico.


ABSTRACT Objective: To study, by means of histopathological examination, the epidemiology of fungal keratitis treated with penetrating keratoplasty therapy, emphasizing the presence of previous ocular surgery. Methods: Initially, we made an observational and cross-sectional study of corneal buttons from penetrating keratoplasty in the 2006-2015 period sent for histopathological examination at the Hospital Geral de Fortaleza Eye Bank.Tissues were stained with hematoxylin-eosin, PAS or Grocott, and examined with an optical microscope. We selected the cases with histopathological diagnosis of fungal keratitis. After the selection, we carried out a review of records seeking for age and sex of patients, date(s) of the graft(s) made to treat fungal keratitis, preoperative clinical diagnosis, presence/type of earlier and/or subsequent surgeries.We included 62 corneal buttons from 55 patients. Results: Most patients were male. Only 7 (11.29%) cases had recurrence of the surgically treated infection. 10 (16.13%) cases had eye surgery prior to fungal keratitis treated by transplant. No cases had fungal keratitis as preoperative clinical diagnosis.The main form of fungus in histopathological examination was isolated yeast form, followed by the yeast form associated with the filamentous form.The predominant aspect of Descemet's membrane was free of fungus. Conclusion: We demonstrated the healing potential of fungal keratitis when treated with penetrating therapeutic keratoplasty and the possible association of previous eye surgery factor for the development of these infections. Characteristics of histopathological examination have been approached differently from other studies that mostly specify only the microbiological examination. The difficulty in preoperative clinical diagnosis was highlighted, which may have contributed to the evolution of the cases studied for surgical treatment.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Aged, 80 and over , Eye Infections, Fungal/epidemiology , Keratoplasty, Penetrating , Cornea/microbiology , Cornea/pathology , Fungi/isolation & purification , Keratitis/epidemiology , Recurrence , Eye Infections, Fungal/surgery , Eye Infections, Fungal/microbiology , Eye Infections, Fungal/pathology , Epidemiology, Descriptive , Cross-Sectional Studies , Retrospective Studies , Risk Factors , Descemet Membrane/microbiology , Descemet Membrane/pathology , Observational Study , Keratitis/surgery , Keratitis/microbiology , Keratitis/pathology
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