ArticleRevista do Instituto de Medicina Tropical de Sao Paulo2021
Cytomegalovirus as a possibly overlooked agent of hypertensive anterior uveitis and endotheliitis in immunocompetent patients in Brazil.
Article in Revista do Instituto de Medicina Tropical de Sao Paulo, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors at 2 institutions in 1 country.
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Abstract
Cytomegalovirus (CMV) is a member of the Herpesviridae family, including viruses that are well-known agents of keratitis, anterior uveitis, scleritis and retinitis. CMV is usually associated with ocular diseases in immunosuppressed individuals, with a notable exception of hypertensive anterior uveitis with distinctive clinical features in immunocompetent patients. This syndrome was characterized in the last two decades in Europe and Southeast Asia, and then documented in the rest of world. Definitive diagnosis in these cases is usually made by Polymerase Chain Reaction (PCR) of the anterior chamber fluid. We report three immunocompetent Brazilian adults with history of multiple glaucomatocyclitic crises and presenting with chronic hypertensive anterior uveitis invariably with mild anterior chamber inflammation and characteristic scarce nummular keratic precipitates. CMV DNA was successfully amplified and detected in the aqueous humor of all patients. Corneal endothelial counts were significantly reduced in the involved eyes, with one patient developing bullous keratopathy. All patients were then treated with topical ganciclovir gel and corticosteroids, with subsequent control of the intraocular inflammation. CMV may represent an overlooked / underestimated etiology of hypertensive anterior uveitis that may progressively lead to endothelial dysfunction, culminating in bullous keratopathy. Management of patients is challenging, with the potential use of topical antivirals to decrease the number of relapses, and corticosteroids to control anterior uveitis / endotheliitis and to protect the corneal endothelium.
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