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Methylene blue-related corneal edema and iris discoloration / Edema de córnea e descoloração de íris associados ao azul de metileno
Timucin, Ozgur Bulent; Karadag, Mehmet Fatih; Aslanci, Mehmet Emin; Baykara, Mehmet.
  • Timucin, Ozgur Bulent; Istanbul Hospital. Department of Ophthalmology. Van. TR
  • Karadag, Mehmet Fatih; Istanbul Hospital. Department of Ophthalmology. Van. TR
  • Aslanci, Mehmet Emin; Istanbul Hospital. Department of Ophthalmology. Van. TR
  • Baykara, Mehmet; Istanbul Hospital. Department of Ophthalmology. Van. TR
Arq. bras. oftalmol ; 79(2): 121-122, Mar.-Apr. 2016. graf
Article in English | LILACS | ID: lil-782810
ABSTRACT
ABSTRACT We report the case of a 70-year-old female patient who developed corneal edema and iris discoloration following the inadvertent use of 1% methylene blue instead of 0.025% trypan blue to stain the anterior capsule during cataract phacoemulsification surgery. Copious irrigation was performed upon realization of incorrect dye use. Corneal edema and iris discoloration developed during the early postoperative period and persisted at 24-months follow-up. However, keratoplasty was not required. The intracameral use of 1% methylene blue has a cytotoxic effect on the corneal endothelium and iris epithelium. Copious irrigation for at least 30 min using an anterior chamber maintainer may improve outcomes.
RESUMO
RESUMO Paciente do sexo feminino com 70 anos de idade desenvolveu edema da córnea e descoloração da íris após o uso inadvertido de 1% de azul de metileno em vez de 0,025% de azul tripano para corar a cápsula anterior do cristalino durante a cirurgia de catarata por facoemulsificação. Foi realizada irrigação abundante quando detectou-se que o corante incorreto tinha sido usado. Edema da córnea e descoloração íris que ocorreu no período pós-operatório precoce persistiu durante 24 meses de seguimento; no entanto, a ceratoplastia não foi necessária. O uso intracameral de 1% de azul de metileno tem efeitos citotóxicos sobre o endotélio da córnea e epitélio da íris. A irrigação abundante durante pelo menos 30 minutos, utilizando um mantenedor de câmara anterior pode resultar em um prognóstico melhor.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Phacoemulsification / Medical Errors / Coloring Agents / Methylene Blue Type of study: Etiology study / Prognostic study Limits: Aged / Female / Humans Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2016 Type: Article Affiliation country: Turkey Institution/Affiliation country: Istanbul Hospital/TR

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Full text: Available Index: LILACS (Americas) Main subject: Phacoemulsification / Medical Errors / Coloring Agents / Methylene Blue Type of study: Etiology study / Prognostic study Limits: Aged / Female / Humans Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2016 Type: Article Affiliation country: Turkey Institution/Affiliation country: Istanbul Hospital/TR