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Therapeutic regimes for acute bronchial asthma
1Department of Accident & Emergency, Singapore General Hospital.
Singapore Medical Journal
|December 1, 1993
Summary
For acute bronchial asthma, initial treatment with salbutamol or adrenaline shows greater effectiveness than aminophylline. Both drugs significantly improved lung function and patient-reported outcomes.
Area of Science:
- Pulmonology
- Clinical Pharmacology
- Emergency Medicine
Background:
- Lack of uniform guidelines for initial asthma drug therapy and efficacy assessment.
- Need for comparative studies on commonly used asthma treatments.
Purpose of the Study:
- To compare the efficacy of subcutaneous adrenaline, nebulised salbutamol, and intravenous aminophylline in treating acute bronchial asthma.
- To evaluate treatment response using physiological and subjective measures.
Main Methods:
- A study involving 71 subjects (15-40 years) with acute bronchial asthma.
- Comparison of three treatment regimens: adrenaline, salbutamol, and aminophylline.
- Monitoring response via pulse rate (PR), respiratory rate (RR), Peak Expiratory Flow Rate (PEFR), and Patient's Subjective Assessment Scale (PSAS).
Main Results:
- Improvements observed in PEFR and PSAS across all groups post-treatment.
- Greatest improvements in PEFR and PSAS were seen in the salbutamol and adrenaline groups (p=0.04, p=0.01).
- Salbutamol treatment also led to significant improvements in RR (p<0.05).
Conclusions:
- Salbutamol and adrenaline are preferred over aminophylline for initial treatment of acute bronchial asthma.
- While both salbutamol and adrenaline demonstrated superior efficacy, the study could not definitively conclude which was superior.
- Further research may be needed to establish definitive guidelines for initial asthma therapy.