Related Experiment Videos
Cardiovascular effects of acute bronchiolitis
N Sreeram1, J G Watson, S Hunter
1Department of Paediatrics, Newcastle General Hospital, UK.
Acta Paediatrica Scandinavica
|January 1, 1991
Summary
Acute bronchiolitis in children can cause temporary tricuspid valve regurgitation, often linked to elevated pulmonary artery pressure. This condition typically resolves as the infection improves.
Area of Science:
- Pediatric Cardiology
- Respiratory Medicine
- Echocardiography
Background:
- Bronchiolitis is a common pediatric respiratory infection.
- Cardiac function can be affected by severe respiratory illness.
- Echocardiography is a key tool for assessing cardiac structure and function.
Observation:
- Doppler echocardiography was used to study 21 children with normal hearts during acute bronchiolitis.
- Tricuspid valve regurgitation was observed in 11 of the children.
- Elevated pulmonary artery systolic pressure was noted in many patients with regurgitation.
Findings:
- Tricuspid valve regurgitation was present in 52% of children with acute bronchiolitis.
- The regurgitation was often associated with increased pulmonary artery systolic pressure.
- Serial echocardiographic studies demonstrated that tricuspid regurgitation resolved with clinical improvement in severe cases.
Implications:
- Acute bronchiolitis can transiently impact right heart function in children.
- Pulmonary hypertension may be a contributing factor to tricuspid regurgitation during bronchiolitis.
- Echocardiography is valuable for monitoring cardiac effects of severe respiratory infections in pediatric patients.