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[Obstructive respiratory tract diseases in children and Parvovirus B19 infections]
S Wiersbitzky1, T F Schwarz, R Bruns
1Klinik für Kindermedizin, Ernst-Moritz-Arndt-Universität Greifswald.
Insights
Parvovirus B19 infection can cause acute respiratory diseases (ARD) in children, leading to obstructive bronchitis, laryngitis, or asthma. This virus may trigger airway issues in children with underlying predispositions.
Area of Science:
- Pediatric Respiratory Medicine
- Viral Infections
- Immunology
Context:
- Acute respiratory diseases (ARD) are common in children.
- Parvovirus B19 is a known pathogen, but its role in pediatric ARD is not fully elucidated.
- Previous studies have focused on other respiratory viruses in children.
Purpose:
- To investigate the association between parvovirus B19 infection and acute respiratory diseases in children.
- To identify the specific types of ARD associated with parvovirus B19.
- To explore potential predisposing factors for these respiratory conditions.
Summary:
- A study of 21 children with ARD found parvovirus B19 infection in cases of obstructive bronchitis/bronchiolitis, subglottic laryngitis, and asthmatic attacks.
- Other common respiratory viruses were excluded as causative agents.
- The findings suggest parvovirus B19 can induce ARD with obstructive ventilatory disturbances in susceptible children.
Impact:
- Highlights parvovirus B19 as a potential cause of pediatric ARD, particularly obstructive conditions.
- Suggests a need to consider parvovirus B19 in the differential diagnosis of pediatric respiratory illnesses.
- Emphasizes the role of endogenous predisposition in the manifestation of viral-induced respiratory disease in children.
Abstract:
Acute respiratory diseases (ARD) due to parvovirus B 19 infection can be observed relative frequently in children. In 21 children (infants, toddlers and school children) we have seen acute or prolonged obstructive bronchitis/bronchiolitis (15 infants), acute subglottic laryngitis (3 toddlers) and acute asthmatic attacks (3 children of school age) in connection with parvovirus B 19 infection. Other respiratory viruses (adeno-, influenza, parainfluenza and RS-virus) could be excluded as agents causing the ARD. We suggest that parvovirus B 19 can provoke ARD with obstructive ventilatory disturbances of the upper or lower airways in children with a specific endogenous predisposition (small or unstable bronchial walls, or bronchial or tracheal mucosal hyperreactivity).