Variability of peak flow in wheezy children.
نویسندگان
چکیده
منابع مشابه
Variability of peak flow in wheezy children.
A study of peak flow variability was carried out among a population sample of 63 wheezy children aged 9-11 years. Recordings were made over 12 days at three times during the day--first thing in the morning, on returning home from school and at bedtime. Eighty nine per cent of the children had symptoms during the diary period. The mean amplitude (difference between the highest and lowest daily p...
متن کاملIncreased peak flow variability in children with asymptomatic hyperresponsiveness.
The relevance of increased methacholine airway responsiveness detected in children with no current or past symptoms of asthma is not known. We wished to determine whether the presence of airway hyperresponsiveness in asymptomatic children is also associated with abnormal variability of peak expiratory flow (PEF). In 12 asymptomatic children with methacholine hyperresponsiveness, we examined the...
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Background: Measuring peak expiratory flow rate has been suggested as an important tool in asthma management by all international guidelines. Objective: Studies on various populations have shown considerable variations in normal values of peak expiratory flow rate. Since reference standards for Iranian children are not available, the present study was performed to establish these standards. Me...
متن کاملVariability of peak expiratory flow rate in children: short and long term reproducibility.
BACKGROUND Variability of peak expiratory flow (PEF) has been proposed as a surrogate for bronchial hyperresponsiveness. The normal range of variability of PEF for children has been reported and the test has been used to screen for asthma in population based studies. However, there is little information on the reproducibility of the method in epidemiological settings. METHODS In a cohort stud...
متن کاملRelation between response to exercise and diurnal variability of peak expiratory flow in primary school children.
BACKGROUND Variability in peak expiratory flow (PEF) has been proposed as a simple method of screening for asthma in epidemiological studies. This study was designed to assess whether the bronchial response to exercise and the diurnal variation in PEF identified the same subjects. METHODS Bronchial response to a free running exercise test was assessed in a cohort of 918 seven year old childre...
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ژورنال
عنوان ژورنال: Thorax
سال: 1984
ISSN: 0040-6376
DOI: 10.1136/thx.39.8.583