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Published on: August 7, 2017
Susceptibility to bronchiolitis in infants
1Children's Hospital at Montefiore and Albert Einstein College of Medicine, Bronx, New York, USA. dvicenci@montefiore.org
Insights
Respiratory syncytial virus (RSV) causes significant childhood bronchiolitis. Recent research advances our understanding of RSV infection susceptibility and interactions within the pediatric airway, paving the way for new treatments.
Area of Science:
- Pediatrics
- Infectious Diseases
- Virology
Background:
- Bronchiolitis is a heterogeneous respiratory disease in children.
- Respiratory syncytial virus (RSV) is a primary cause of pediatric bronchiolitis.
- Mechanisms of severe RSV infection susceptibility remain poorly understood.
Purpose of the Study:
- To review recent advances in understanding RSV bronchiolitis.
- To explore environmental and host risk factors for severe RSV infection.
- To highlight new investigative techniques for studying RSV-pediatric airway interactions.
Main Methods:
- Review of recent epidemiologic observations.
- Analysis of novel in-vitro discoveries.
- Examination of new investigative techniques.
Main Results:
- Significant progress has been made in understanding RSV bronchiolitis.
- Advances include insights into environmental and host risk factors.
- New techniques are emerging to study RSV-airway interactions.
Conclusions:
- RSV is a major global cause of pediatric morbidity and mortality.
- Current investigations provide a foundation for future mechanistic studies.
- Findings may lead to new preventive strategies and treatments for RSV bronchiolitis.
Purpose Of Review:
Bronchiolitis is a complex disease that exhibits tremendous heterogeneity with respect to cause, clinical presentation, outcome and susceptibility of afflicted patients. Although respiratory syncytial virus (RSV) is widely considered to be the most important cause of bronchiolitis in children, little is known about the mechanisms of susceptibility to severe infection.
Recent Findings:
Over the last several years, there have been important advances in our understanding of RSV bronchiolitis, ranging from large-scale epidemiologic observations to novel in-vitro discoveries, including those related to environmental and host risk factors. In addition, new investigative techniques have been developed, which may enhance our understanding about the interaction between RSV and the pediatric airway.
Summary:
RSV remains the most frequently encountered cause of bronchiolitis and contributes to significant morbidity and mortality worldwide. The investigations highlighted in this review may serve as foundations for future mechanistic studies, the implementation of new preventive strategies and the discovery of novel treatments.
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