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Archivos argentinos de pediatría

Print version ISSN 0325-0075On-line version ISSN 1668-3501


KASSISSE, Elias et al. Prevalence of Mycoplasma pneumoniae infection in pediatric patients with acute asthma exacerbation. Arch. argent. pediatr. [online]. 2018, vol.116, n.3, pp.179-185. ISSN 0325-0075.

Introduction. Mycoplasma pneumoniae may be involved in refractory asthma exacerbation. Objective. To determine the prevalence of Mycoplasma pneumoniae infection in patients with acute asthma exacerbation. Material and method. A prospective, crosssectional, observational, case-control study was carried out in patients older than 2 years old and younger than 12. Immunoglobulin M (IgM) antibodies were serologically determined for M. pneumoniae, using the NovaLisa® NovaTec kit for enzyme-linked immunosorbent assay (ELISA). Test results ≥ 11 NTU (NovaTec units) were regarded as positive. The statistical analysis was performed by means of the analysis of variance (ANOVA) and the χ2 test, with a significance level of p < 0.05. Results. One hundred and eighty children were studied, of which 130 had asthma and 50 comprised the control group. Specific IgM was positive for 60 patients, that is 46.15% of the asthmatic children (p < 0.001). The severity of the exacerbation was directly related to IgM levels (p < 0.001). Hospitalization rate was 75%, and it was significantly associated to specific IgM levels (p < 0.001). Conclusion. Our data suggest that children with acute asthma show a high prevalence (46%) of Mycoplasma pneumoniae infection and that there is a close relation between severe acute asthma exacerbation and the presence of Mycoplasma pneumoniae infection. These findings might result in therapeutic implications centered in the use of specific antibiotics to fight this atypical organism.

Keywords : Acute asthma; Exacerbation; Mycoplasma pneumoniae.

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