Asthma in Greenwich, UK: impact of the disease and current management practices

A great deal of the care of patients with asthma takes place in general practices. The aim of the present study was to describe the impact of asthma in the community and to identify current asthma self-management practices. A two-part questionnaire survey was conducted in a random sample (23%; n=24,398) of persons aged 16-50 yrs, registered with one of the 41 general practices in Greenwich, London, UK. The two parts were: a screening questionnaire identifying persons with current asthma (defined as waking with shortness of breath in the last 12 months, attack of asthma in the last 12 months, or currently taking treatment for asthma); and an asthma questionnaire (completed by those with asthma) assessing quality of life, frequency of asthma symptoms, possession and use of self-management tools, and action in the event of an exacerbation of asthma. The crude response rate was 51%, but this may be an underestimate due to errors in the sampling frame. The prevalences of wheeze and asthma in the past 12 months were 26% and 14%, respectively. Among asthma patients: 43% reported symptoms occurring three or more times per week, and 20% were woken by asthma symptoms on three or more nights per week; most had asthma with a mild impact on quality of life; 26% used inhaled steroids on most days in the preceding month; 16% had a peak flow meter at home; and 7% had oral steroids available. Of the 44% of subjects with asthma, who could identify an exacerbation of asthma in the preceding 6 months: 19% had used a peak flow meter during the episode; 19% had changed their treatment without first being told to do so by a doctor; and 50% had sought urgent medical help. Smokers used less appropriate asthma management and subjects whose asthma had a severe impact on quality of life used more treatment and peak flow monitoring. In conclusion, the prevalence of asthma among adults in Greenwich, UK, has increased since a similar survey in 1986. Many people have fairly mild asthma and a smaller number have severe disease. Much remains to be done to promote appropriate strategies for self-management of asthma exacerbations.

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