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Asthma: a diagnostic and therapeutic challenge
1Department of Primary Medical Care, University of Southampton, London.
Insights
Asthma prevalence is significant, affecting millions throughout their lives. However, asthma remains an under-diagnosed condition, indicating a critical need for improved detection and management strategies.
Area of Science:
- Pulmonology
- Epidemiology
Background:
- Asthma prevalence is increasing globally, impacting both children and adults.
- Despite advances in asthma understanding and treatment, morbidity and mortality rates continue to rise.
- Current diagnostic rates suggest a significant gap between estimated and actual asthma cases.
Purpose of the Study:
- To highlight the significant prevalence of asthma across different age groups.
- To emphasize the under-diagnosis of asthma in primary care settings.
- To underscore the urgent need for improved asthma detection and management.
Main Methods:
- Analysis of asthma prevalence data across various age demographics.
- Comparison of estimated lifetime asthma prevalence with diagnosed cases in general practices.
- Review of existing literature on asthma diagnosis and treatment.
Main Results:
- Lifetime asthma prevalence in children ranges from 5% to 31% based on criteria.
- Recent asthma prevalence (past two years) in children is between 5% and 18%.
- At least 10% of the population may require asthma treatment, with general practices diagnosing less than half of expected cases.
Conclusions:
- Asthma is a widespread condition affecting a substantial portion of the population.
- Under-diagnosis is a primary challenge in asthma management.
- Urgent action is required to improve asthma diagnosis rates and patient outcomes.
Abstract:
Asthma is a disease needing urgent action. Morbidity and mortality are rising, despite advances in our understanding of asthma and in its treatment. The lifetime prevalence of asthma in children varies from 5 to 31%, depending on the defining criteria, and even when recent prevalence (occurring in the past two years) is examined, rates from 5 to 18% have been found. There is growing evidence which shows that signs of reversible airways disease occur in the elderly with even greater frequency and it is likely that at least 10% of the population will need asthma treatment at some stage of their lives; this means that well over five million people in the UK or 250 patients in each 'average' general practice list of 2500 merit the diagnosis of asthma at some stage of their lives. The fact that an average practice is likely to have diagnosed less than half that number clearly implies that asthma is first and foremost an under-diagnosed disease.