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Infectio
versão impressa ISSN 0123-9392
Resumo
PINO, Luis Eduardo; SALINAS, Jorge Enrique e LOPEZ, Myriam Consuelo. Description of an epidemic outbreak of acute toxoplasmosis in immunocompetent patients from Colombian Armed Forces during jungle operations. Infect. [online]. 2009, vol.13, n.2, pp.83-91. ISSN 0123-9392.
Toxoplasmosis is a common opportunistic infection in patients infected with HIV/AIDS while in immunocompetent patients this infection causes symptoms only in 10% to 20% of the cases, generally with a benign and autoresolutive course. In the last decade some severe cases with visceral involvement has been reported in immunocompetent patients, though they were isolated or recovered during years. We present the first Colombian report of an epidemic outbreak caused by Toxoplasma gondii in military personnel deployed to rural areas located at La Macarena, Meta , Colombia. All 18 cases were confirmed by IgG indirect immunofluorescence (IFI) with titers higher than 1:1,024 (normal range: 1:16). Their main symptoms were fever, adenopathies and pulmonary and gastrointestinal compromise. One patient developed severe myocardial compromise. All the patients recovered after treatment with pyrimetamine/sulfadoxine and clyndamicin for 3 weeks. A possible hypothesis for this outbreak was the consumption of contaminated water with oocysts, and probably the severity of the compromise could be elicited by a wild strain of the parasite as it is reported in the literature. Unfortunately, it was impossible to isolate and identify the specific strain.
Palavras-chave : acute toxoplasmosis; immunocompetence; myocarditis; Toxoplasma gondii; pyrimethamine/sulfadoxine.