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Corneal endothelial rejection after penetrating keratoplasty treated with intravenous and topic corticosteroid: one year follow up Tratamento da rejeição endotelial pós-ceratoplastia penetrante através da associação do pulso de metilprednisolona intravenosa com acetato de prednisolona tópico: seguimento de um ano

Authors: Ricardo Yuji Abe; Lívia Maria Dias Freire; Rosane Silvestre Castro; Rodrigo Pessoa Cavalcanti Lira; Carlos Eduardo Leite Arieta;

Corneal endothelial rejection after penetrating keratoplasty treated with intravenous and topic corticosteroid: one year follow up Tratamento da rejeição endotelial pós-ceratoplastia penetrante através da associação do pulso de metilprednisolona intravenosa com acetato de prednisolona tópico: seguimento de um ano

Abstract

OBJECTIVE: To analyze the recovery of visual acuity (VA) and graft survival after first episode of endothelial rejection in penetrating keratoplasty (PKP) treated with intravenous (IV) and topic corticosteroid. METHODS: Interventional, prospective, non-comparative case series study evolving 32 PKP patients in one year follow up, who presented first episode of corneal endothelial rejection. The patients were submitted to 500 mg IV injection of methylprednisolone in association with topical prednisolone. Main outcome measures included VA recovery and corneal edema regression. Second outcome included new rejections and graft failure. Multivariate analysis techniques were used to estimate rates of graft outcome events and the impact of risk factors. RESULTS: A total of 32 eyes from 32 patients (13 male and 19 female) were included in the study. The mean VA (in number of letters) before rejection was 48 (22 to 88 letters). Patients treated within 7 days or less of initial symptoms had better VA recovery, corneal edema regression and less graft failure (pOBJETIVO: Analisar a recuperação da acuidade visual (AV) e sobrevivência do enxerto após primeiro episódio de rejeição endotelial em ceratoplastia penetrante (PK) em pacientes submetidos ao corticóide intravenoso (IV) associado ao tópico. MÉTODOS: Estudo descritivo, prospectivo, tipo série de casos envolvendo 32 pacientes com PK tratados com 2 doses de 500mg de metilprednisolona IV (com intervalo de 1 semana) associado ao acetato de prednisolona 1%. O parâmetro principal analisado foi a recuperação da AV e a regressão do edema corneano. O parâmetro secundário utilizado foi a recorrência das rejeições e a falência do enxerto. RESULTADOS: Um total de 32 olhos de 32 pacientes foram incluídos no estudo (13 homens e 19 mulheres). A média da AV (em número de letras) foi 48. Pacientes tratados dentro de 7 dias ou menos após o surgimento dos sintomas apresentaram melhor recuperação da AV e menor falência do enxerto (p<0,001). Pacientes com antecedente de cirurgia ocular anterior à PK apresentaram pior recuperação da AV e maior índice de falência do enxerto. CONCLUSÃO: A associação entre os outros fatores de risco não atingiram significância estatística devido ao baixo número de pacientes do estudo. A metilprednisolona IV em associação com a prednisolona tópica pode ser uma alternativa para o tratamento da rejeição endotelial do enxerto. Nossos resultados sugerem que pacientes tratados dentro de 7 dias do início dos sintomas e a ausência de cirurgia ocular prévia apresentam melhor recuperação da AV e melhor sobrevivência do enxerto.

Keywords

Fatores de risco, Adrenal cortex hormones, RE1-994, Methylprednisolone, Rejeição de enxerto, Ophthalmology, Risk factors, Corticosteróides, Ceratoplastia penetrante, Graft rejection, Keratoplasty, penetrating, Resultado de tratamento, Metilprednisolona, Treatment outcome

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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