acute asthma exacerbation的用法和样例：
- "Furthermore, inhaled corticosteroids appear to be well tolerated in patients with acute asthma exacerbation, at least with the formulation and delivery system used in this study.
- In contrast, only 1 patient assigned to mepolizumab had an asthma exacerbation, and this was not characterized by sputum eosinophilia (P = .002).
- Rhinovirus infection also accompanies one third of cases of acute otitis media in children and is a frequent cause of asthma exacerbations in school-aged children.
- OBJECTIVES: We hypothesized that variability in P2X(7) function contributes to neutrophilic airway inflammation during a cold and thereby is linked to acute asthma.