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Medicina (Buenos Aires)

versión On-line ISSN 1669-9106


CALCAGNO, Marcela A. et al. Clinical, serological and parasitological aspects of an outbreak of human trichinellosis in Villa Mercedes, San Luis, Argentina. The acute and chronic phases of the infection. Medicina (B. Aires) [online]. 2005, vol.65, n.4, pp. 302-306. ISSN 1669-9106.

Clinical and serological features of individuals undergoing the acute (n: 54) and chronic (n: 32) phases of trichinellosis belonging to an outbreak originated by the consumption of pork products of a commercial source, arisen in Argentina, are described. Epidemiological data, signs, symptoms, and laboratory studies were assessed. Parasitological studies were performed in patients and pork products. Results showed that: a) the parasite burden of pork products was 200.0±18.3 larvae/g; b) muscle larvae were demonstrated in 10 out of the 11 patients studied; c) during the acute phase, fever (94%), eosinophilia (90%), myalgia (85%), headache (81%), facial edema (54%), diarrhoea (52%) and anti-Trichinella antibodies (64%) were observed; d) 15% of the patients had to be hospitalized, 7% having complications; e) during the chronic phase, myalgia (72%), sight abnormalities (22%), gastrointestinal disorders (31%) and the persistence of antibodies (77%) were observed. This study highlights the socioeconomical impact of trichinellosis due to the clinical characteristics of the acute phase and the presence of symptoms in the chronic phase.

Palabras clave : human trichinellosis; outbreak; acute phase; chronic phase; Argentina; swine products.

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