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Unintentional injection of a dexamethasone implant into the crystalline lens: a case report / Injeção não intencional de implante de dexametasona no cristalino: relato de caso, acompanhamento e desfecho
Cervantes, Andrés Lisker; Crim, Nicolás; García-Arroyo, Santiago; Morales-Cantón, Virgilio; Montoya, Raúl Velez.
  • Cervantes, Andrés Lisker; Hospital Dr. Luis Sanchez Bulnes. Asociación para Evitar la Ceguera en México. Retina Department. Mexico City. MX
  • Crim, Nicolás; Hospital Dr. Luis Sanchez Bulnes. Asociación para Evitar la Ceguera en México. Retina Department. Mexico City. MX
  • García-Arroyo, Santiago; Hospital Dr. Luis Sanchez Bulnes. Asociación para Evitar la Ceguera en México. Cataract Department. Mexico City. MX
  • Morales-Cantón, Virgilio; Hospital Dr. Luis Sanchez Bulnes. Asociación para Evitar la Ceguera en México. Retina Department. Mexico City. MX
  • Montoya, Raúl Velez; Hospital Dr. Luis Sanchez Bulnes. Asociación para Evitar la Ceguera en México. Retina Department. Mexico City. MX
Arq. bras. oftalmol ; 83(3): 246-249, May-June 2020. graf
Article in English | LILACS | ID: biblio-1131591
ABSTRACT
ABSTRACT The intravitreal dexamethasone implant is a sustained-release anti-inflammatory drug system that releases 0.7 mg of dexamethasone into the vitreous cavity. The following case report describes a rare complication accidental injection of the dexamethasone implant into the crystalline lens. A 73-year-old woman was diagnosed with central retina vein occlusion and cystoid macular edema. Initial tSreatment included three monthly intravitreal doses of anti-vascular endothelial growth factor treatment, which was not successful. Treatment was then modified to an intravitreal dexamethasone implant. Ten weeks later, the implant was observed in the posterior cortex of the crystalline lens. Because no improvement had occurred, the patient underwent phacoemulsification surgery, during which part of the lens migrated into the vitreous cavity. Therefore, 23-gauge pars plana complete vitrectomy was performed with trans-surgical administration of intravitreal aflibercept. Crystalline lens injury due to an intravitreal dexamethasone implant is a rare complication and typically results from the injection procedure. Immediate surgical or conservative approaches should be considered on an individual basis.
RESUMO
RESUMO O implante intravítreo de dexametasona é um sistema anti-inflamatório de liberação sustentada que libera 0,7 mg de dexametasona na cavidade vítrea. O relato de caso a seguir descreve uma complicação rara injeção acidental do implante de Dexametasona no cristalino. Uma mulher de 73 anos foi diagnosticada com oclusão da veia central da retina e edema macular cistóide. O tratamento inicial incluiu três doses intravítreas mensais de tratamento com fator de crescimento endothelial anti-vascular, que não tiveram sucesso. O tratamento foi então mudado para um implante intravítreo de dexametasona. Dez semanas depois, o implante foi observado no córtex posterior do cristalino. Como não houve melhora, a paciente foi submetida à cirurgia de facoemulsificação, durante a qual parte do cristalino migrou para a cavidade vítrea. Portanto, foi realizada vitrectomia completa via pars plana 23-gauge com administração de aflibercepte intravítreo durante a cirurgia. Lesões no cristalino devido a implantes intravítreos de dexametasona são uma complicação rara e geralmente resulta do procedimento de injeção. Abordagens cirúrgicas ou conservadoras imediatas devem ser consideradas caso a caso.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Dexamethasone / Drug Implants / Glucocorticoids / Lens, Crystalline Limits: Female / Humans Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2020 Type: Article Affiliation country: Mexico Institution/Affiliation country: Hospital Dr. Luis Sanchez Bulnes/MX

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Full text: Available Index: LILACS (Americas) Main subject: Dexamethasone / Drug Implants / Glucocorticoids / Lens, Crystalline Limits: Female / Humans Language: English Journal: Arq. bras. oftalmol Journal subject: Ophthalmology Year: 2020 Type: Article Affiliation country: Mexico Institution/Affiliation country: Hospital Dr. Luis Sanchez Bulnes/MX