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Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples

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Published on: January 21, 2018

Rhinovirus-induced bronchiolitis and asthma development.

Tuomas Jartti¹, Matti Korppi

¹Department of Pediatrics, Turku University Hospital, Turku, Finland. tuomas.jartti@utu.fi

Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology

|May 4, 2011

Summary

This summary is machine-generated.

Human rhinovirus (HRV) bronchiolitis, unlike respiratory syncytial virus (RSV) bronchiolitis, significantly increases the risk of persistent wheezing and childhood asthma, even in non-atopic children.

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Area of Science:

Pediatrics
Virology
Immunology

Background:

Bronchiolitis is commonly caused by human rhinovirus (HRV) and respiratory syncytial virus (RSV).
HRV bronchiolitis is more prevalent in older infants, potentially linked to factors like low interferon responses and atopy.
Both HRV and RSV bronchiolitis can lead to recurrent wheezing.

Purpose of the Study:

To investigate the long-term respiratory outcomes, specifically persistent wheezing and childhood asthma, following HRV versus RSV bronchiolitis.
To determine if the association between HRV bronchiolitis and asthma risk is independent of atopy.

Main Methods:

Observational study comparing outcomes after HRV and RSV bronchiolitis.
Analysis of wheezing persistence up to age 6 and asthma development.
Assessment of the influence of atopy on the HRV-bronchiolitis asthma association.

Main Results:

HRV bronchiolitis is associated with a markedly higher risk of persistent wheezing until age 6 compared to RSV bronchiolitis.
HRV bronchiolitis significantly increases the risk of developing childhood asthma.
This increased asthma risk following HRV bronchiolitis remains significant even when independent of atopy.

Conclusions:

HRV bronchiolitis poses a greater long-term risk for persistent wheezing and asthma development than RSV bronchiolitis.
The link between HRV bronchiolitis and asthma is robust and not solely explained by underlying atopic predisposition.
Early-life HRV infection is a critical factor in the development of chronic respiratory issues like asthma.