Abstract:
STUDY OBJECTIVE:To determine the effect of a symptom-based and a peak flow-based action plan in preventing acute exacerbations in subjects with poorly controlled asthma. DESIGN:A randomized controlled trial in which subjects who had required urgent treatment for their asthma were allocated to receive no action plan, a symptom-based plan, or a peak flow-based action plan. SETTING:A university hospital asthma clinic. POPULATION:One hundred fifty subjects were recruited after attending an emergency department or a clinic for urgent treatment of asthma. INTERVENTIONS:All subjects received evaluation and education for asthma before being randomly allocated to receive no action plan, a symptom-based action plan, or a peak flowmeter and a peak flow-based action plan. MEASUREMENTS:Subjects were assessed by questionnaire at 3 and 6 months after enrollment with questions relating to their asthma control and their need for urgent treatment or hospital admission for asthma. RESULTS:At 6 months after enrollment, although all three intervention groups experienced improvement in their asthma control, there was a striking reduction in emergency department visits for asthma only in the peak flow-based action plan group (p=0.006). No significant difference in emergency visits was apparent between the symptom-based action plan and no action plan groups. CONCLUSIONS:We conclude that a peak flow-based action plan is effective, at least in the short term, in protecting patients with asthma against severe exacerbations of their disease.
journal_name
Chestjournal_title
Chestauthors
Cowie RL,Revitt SG,Underwood MF,Field SKdoi
10.1378/chest.112.6.1534subject
Has Abstractpub_date
1997-12-01 00:00:00pages
1534-8issue
6eissn
0012-3692issn
1931-3543pii
S0012-3692(15)47361-1journal_volume
112pub_type
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