[Effects of salbutamo and ipraopium bromide inhalation on pulmonary function in young children with asthmatoid bronchitis]
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Published on: April 6, 2017
Wen-Hui Jiang1, Li Deng, Hui-Hong Wen
1Guangzhou Children's Hospital, Guangzhou 510120, China. drjiangwenhui@163.com
Insights
Bronchodilators like salbutamol and ipratropium bromide did not improve lung function in young children with asthmatoid bronchitis. Their effectiveness in treating this condition is questionable, warranting further investigation.
Area of Science:
- Pediatric Respiratory Medicine
- Pharmacology
- Pulmonary Physiology
Context:
- Asthmatoid bronchitis is a common respiratory condition in young children.
- The use of bronchodilators in managing asthmatoid bronchitis is debated.
- Objective assessment of bronchodilator efficacy is crucial for treatment guidelines.
Purpose:
- To evaluate the impact of salbutamol and ipratropium bromide on pulmonary function in children with asthmatoid bronchitis.
- To determine if bronchodilator therapy improves airway resistance and ventilation in this pediatric population.
Summary:
- Pulmonary function tests, including tidal breathing flow volume loops and various flow indexes, were conducted on 20 children before and after bronchodilator inhalation.
- No significant improvements in airway resistance or ventilation parameters were observed post-inhalation.
- Key indexes such as peak tidal expiratory flow and tidal volume per kilogram remained unchanged, indicating a lack of therapeutic benefit.
Impact:
- Findings suggest that standard bronchodilators may not be effective for asthmatoid bronchitis in young children.
- Challenges the current therapeutic approach and highlights the need for alternative or refined treatment strategies.
- Underscores the importance of evidence-based medicine in pediatric respiratory care.
Objective:
The efficacy of bronchodilator in asthmatoid bronchitis remains controversial. This study was designed to investigate the effects of bronchodilators, salbutamo and ipraopium bromide, on the pulmonary function in young children with this disease.
Methods:
Pulmonary function tests were performed in 20 children with asthmatoid bronchitis (2 months-2.5 years of age) before and 30, 60, and 120 minutes after salbutamo and ipratropium bromide inhalation. The indexes of pulmonary function measured included tidal breathing flow volume (TBFV) loop, percent of tidal volume to peak tidal expiratory flow (%V-PF), terminal flows per peak expiratory flow (25/PF), peak tidal expiratory flow (PTEF), rate of mid-expiratory to mid-inspiratory flow (ME/MI), respiratory rate (RR) and tidal volume per kilogram (TV/kg).
Results:
Before drug inhalation, the descending branch of the TBFV loop was depressed. The PTEF shifted forward and %V-PF (0.19 +/- 0.04) and 25/PF (0.42 +/- 0.11) decreased. These changes did not improve and the remaining indexes, RR, ME/MI and TV/kg, 30, 60, and 120 minutes after drug inhalation also remained similar to before inhalation.
Conclusions:
Salbutamo and ipratropium bromide inhalation did not improve the airway resistance and ventilation function in children with asthmatoid bronchitis. This suggests that the efficacy of bronchodilator in the treatment of this disease is doubtful.
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