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Article Dans Une Revue EClinicalMedicine Année : 2022

Identifying and predicting severe bronchiolitis profiles at high risk for developing asthma: Analysis of three prospective cohorts

Résumé

Background: Bronchiolitis is the leading cause of infants hospitalization in the U.S. and Europe. Additionally, bronchiolitis is a major risk factor for the development of childhood asthma. Growing evidence suggests heterogeneity within bronchiolitis. We sought to identify distinct, reproducible bronchiolitis subgroups (profiles) and to develop a decision rule accurately predicting the profile at the highest risk for developing asthma. Methods: In three multicenter prospective cohorts of infants (age < 12 months) hospitalized for bronchiolitis in the U.S. and Finland (combined n = 3081) in 2007–2014, we identified clinically distinct bronchiolitis profiles by using latent class analysis. We examined the association of the profiles with the risk for developing asthma by age 6–7 years. By performing recursive partitioning analyses, we developed a decision rule predicting the profile at highest risk for asthma, and measured its predictive performance in two separate cohorts. Findings: We identified four bronchiolitis profiles (profiles A–D). Profile A (n = 388; 13%) was characterized by a history of breathing problems/eczema and non–respiratory syncytial virus (non-RSV) infection. In contrast, profile B (n = 1064; 34%) resembled classic RSV-induced bronchiolitis. Profile C (n = 993; 32%) was comprised of the most severely ill group. Profile D (n = 636; 21%) was the least-ill group. Profile A infants had a significantly higher risk for asthma, compared to profile B infants (38% vs. 23%, adjusted odds ratio [adjOR] 2⋅57, 95%confidence interval [CI] 1⋅63–4⋅06). The derived 4-predictor (RSV infection, history of breathing problems, history of eczema, and parental history of asthma) decision rule strongly predicted profile A—e.g., area under the curve [AUC] of 0⋅98 (95%CI 0⋅97–0⋅99), sensitivity of 1⋅00 (95%CI 0⋅96–1⋅00), and specificity of 0⋅90 (95%CI 0⋅89–0⋅93) in a validation cohort. Interpretation: In three prospective cohorts of infants with bronchiolitis, we identified clinically distinct profiles and their longitudinal relationship with asthma risk. We also derived and validated an accurate prediction rule to determine the profile at highest risk. The current results should advance research into the development of profile-specific preventive strategies for asthma.
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hal-03554185 , version 1 (31-05-2022)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Michimasa Fujiogi, Orianne Dumas, Kohei Hasegawa, Tuomas T. Jartti, Carlos Arturo Camargo. Identifying and predicting severe bronchiolitis profiles at high risk for developing asthma: Analysis of three prospective cohorts. EClinicalMedicine, 2022, 43, pp.101257. ⟨10.1016/j.eclinm.2021.101257⟩. ⟨hal-03554185⟩
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