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- Title
RSV‐hRV co‐infection is a risk factor for recurrent bronchial obstruction and early sensitization 3 years after bronchiolitis.
- Authors
Amat, Flore; Plantard, Chloé; Mulliez, Aurélien; Petit, Isabelle; Rochette, Emmanuelle; Verdan, Matthieu; Henquell, Cécile; Labbé, Guillaume; Heraud, Marie Christine; Evrard, Bertrand; Labbé, André
- Abstract
To assess risk factors of recurrent bronchial obstruction and allergic sensitization 3 years after an episode of acute bronchiolitis, whether after ambulatory care treatment or hospitalization. A monocentric prospective longitudinal study including infants aged under 1 year with acute bronchiolitis was performed, with clinical (severity score), biological (serum Krebs von den Lungen 6 antigen), and viral (14 virus by naso‐pharyngeal suction detection) assessments. Follow‐up included a quaterly telephone interview, and a final clinical examination at 3 years. Biological markers of atopy were also measured in peripheral blood, including specific IgEs towards aero‐ and food allergens. Complete data were available for 154 children. 46.8% of them had recurrent wheezing (RW). No difference was found according to initial severity, care at home or in the hospital, respiratory virus involved, or existence of co‐infection. A familial history of atopy was identified as a risk factor for recurrent bronchial obstruction (60% for RW infants versus 39%, <italic>P</italic> = 0.02), as living in an apartment (35% versus 15%, <italic>P</italic> = 0.002). 18.6% of the infants were sensitized, with 48.1% of them sensitized to aeroallergens and 81.5% to food allergens. Multivariate analysis confirmed that a familial history of atopy (<italic>P</italic> = 0.02) and initial co‐infection RSV‐hRV (<italic>P</italic> = 0.02) were correlated with the risk of sensitization to aeroallergens at 3 years. Familial history of atopy and RSV‐hRV co‐infection are risk factors for recurrent bronchial obstruction and sensitization.
- Publication
Journal of Medical Virology, 2018, Vol 90, Issue 5, p867
- ISSN
0146-6615
- Publication type
Article
- DOI
10.1002/jmv.25037