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Effects of chest physical therapy on lung function in children recovering from acute severe asthma
Insights
Chest physical therapy (PT) did not improve lung function in most children with severe asthma. While standard asthma medications were administered, PT showed no significant benefit when added to treatment.
Area of Science:
- Pediatric Pulmonology
- Respiratory Medicine
- Critical Care
Background:
- Acute severe asthma in children requires effective therapeutic interventions.
- Chest physical therapy (PT) is a potential adjunct treatment for respiratory conditions.
- Evidence for PT's efficacy in pediatric severe asthma is limited.
Purpose of the Study:
- To evaluate the effectiveness of chest physical therapy (PT) as an adjunct treatment for acute severe asthma in children.
- To determine if PT improves lung function parameters in pediatric patients hospitalized with severe asthma.
Main Methods:
- A randomized placebo-controlled trial involving 38 children (aged 6-13 years) with acute severe asthma.
- Participants received either chest PT or placebo treatments over two days, in addition to standard asthma drug therapy and nebulized salbutamol.
- Lung function was assessed using spirometry and body plethysmography before and after treatments.
Main Results:
- No significant differences in lung function were observed between the chest PT and placebo groups after accounting for baseline measurements.
- Most children in both groups showed similar improvements in lung function.
- A small subset of three children in the PT group exhibited notable improvements in airflow rates.
Conclusions:
- Chest physical therapy, when combined with standard asthma drug therapy, does not demonstrate significant benefits for lung function in most children with acute severe asthma.
- Further research may be needed to identify specific subgroups of pediatric patients who might benefit from PT.
- The study suggests that PT is not a universally effective intervention for acute severe asthma in this pediatric age group.
Abstract:
The effects of chest physical therapy in acute severe asthma in children have been studied in 38 children aged 6 to 13 years in a randomized placebo controlled trial. The study began between 6 and 24 hours after admission to hospital; 19 children received chest physical therapy (PT) and 19 children received placebo visits. Each child had 4 treatments over 2 days which were preceded by nebulized salbutamol. Lung volumes and flow rates were measured in a body plethysmograph before salbutamol and before and after either PT or placebo on the first and fourth treatments. Throughout the study standard asthma drug therapy was given. In both groups characteristics such as sex, race, age, height, weight, severity, and baseline lung function were similar. Taking into account the baseline, lung function at the end of the study was similar in both groups. Three 12 year old children in the PT group showed improvements in flows above those seen in any children in the placebo group. We conclude that chest PT, when combined with asthma drug therapy, does not improve lung function in most children in this age group with acute severe asthma.