The Clinical and Parasitologic Follow-up of Trypanosoma cruzi-infected Children in a Nonendemic Country.
PEDIATRIC INFECTIOUS DISEASE JOURNAL(2020)
Abstract
Background: Chagas disease has become a global health problem, with the pediatric population being especially vulnerable. Our aim was to describe the clinical-epidemiologic aspects of disease in this population, as well as tolerance and adherence to treatment and the subsequent evolution of the disease. Methods: A prospective study involving 949 children 0-14 years of age screened from 2007 to 2018. Diagnosis was performed by polymerase chain reaction and/or microhematocrit in <1-year-old children or serology in those >= 1 year of age. After diagnosis, children were examined for the clinical manifestation of Chagas disease and were treated with benznidazole. Treatment response was monitored by polymerase chain reaction and serology. Results: Forty children were infected (4.2% of the population screened). Twelve children were diagnosed during the acute phase (<= 1-year-old), 3 of whom were symptomatic, and 28 (4- to 14-year-olds) were in the chronic phase: 18 in the indeterminate phase and 10 presented cardiac and/or digestive involvement. Regarding treatment, 10 (25.6%) children had side effects (6 mild, 2 moderate and 2 severe reactions), leading to treatment interruption in 3 of them. No side effects were detected in <= 1-year-old children (P < 0.05). Cure was confirmed in 29.4% of the children during follow-up, and the age of the children at treatment (<= 1 year) was clearly associated with the effectiveness of treatment (P < 0.05). Conclusions: Effectiveness and safety of treatment were optimum in <= 1-year-old children. Increased side effects, cardiac and/or digestive disorder incidence and lower treatment effectiveness were detected in older children, highlighting the need for early screening.
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Key words
Chagas disease,children,benznidazole,adverse events,treatment efficacy
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