期刊
ANNALS OF ALLERGY ASTHMA & IMMUNOLOGY
卷 88, 期 3, 页码 283-291出版社
AMER COLL ALLERGY ASTHMA IMMUNOLOGY
DOI: 10.1016/S1081-1206(10)62010-8
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资金
- NATIONAL INSTITUTE OF NURSING RESEARCH [R01NR004351] Funding Source: NIH RePORTER
- NINR NIH HHS [NR04351-03, NR04351-02S1] Funding Source: Medline
Background: Accurate symptom evaluation is a critical component of asthma management. Limited data are available about the accuracy of symptom evaluation by children with asthma and their parents, or the impact of various symptom-monitoring strategies on asthma morbidity outcomes. Objective: The purpose of this randomized clinical trial was to evaluate the effect of three different intensities of symptom monitoring on asthma morbidity outcomes. Methods: One hundred sixty-eight children (ages 6 to 19) of diverse racial, geographic, and socioeconomic backgrounds were randomized to I of 3 treatment groups (subjective symptom evaluation, symptom-time peak expiratory flow rate (PEFR) monitoring, daily PEFR monitoring) in this longitudinal, clinical trial. Outcome measures included a summary asthma severity score, forced expiratory volume in 1 second, symptom days, and health care utilization. Results: Children who used PEFR meters (PFMs) when symptomatic had a lower asthma severity score, fewer symptom days, and less health care utilization than children in the other two treatment groups. Minority and poor children had the greatest amount of improvement using PFMs when symptomatic. Results were much less striking in white families. Thirty percent of families in the PFM treatment groups discontinued use entirely by 1 year postexit, whereas the majority of families who continued use (94%) used them only when symptomatic to inform symptom interpretation and management decisions. Conclusions: Not every child with asthma needs a PFM Children and families facing extra challenges as a result of illness severity, sociodemographic, or health care system characteristics clearly benefited most from PFM use.
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