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Medicina (Buenos Aires)

versión On-line ISSN 1669-9106

Resumen

LOPEZ, María de los Ángeles et al. Toxocara canis and bronchial asthma. Medicina (B. Aires) [online]. 2010, vol.70, n.1, pp. 75-78. ISSN 1669-9106.

In order to evaluate the association between the infection by Toxocara canis and the symptoms of asthma in children from a subtropical region with high prevalence of toxocariasis, 47 asthmatic children and 53 non-asthmatics as a control group were studied. A complete physical examination was performed and clinical and epidemiological data were registered. In asthmatic children the frequency and severity of symptoms were classified in grades I to IV. The presence of anti-Toxocara canis antibodies in both groups was evaluated employing a solid phase ELISA method with excretion/secretion antigens, and total Ig E was also measured. Results showed a total seropositivity of 55%, 57.4% in children with asthma and 52.8% in the control group. Among asthmatics with severe symptoms (grade II, III and IV), there was a 67.7% of seropositivity while in children with symptoms of grade I there was a 37.5% (p = 0.0470). The infection with T. canis could act as a co-factor increasing the severity of the symptoms of bronchial asthma.

Palabras llave : Toxocara canis; Asthma; Children; Antibodies; Enzyme immunoassay.

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