Research Article: Adult Severe Asthma Registries: A Global and Growing Inventory
Introduction:
Severe asthma is defined as uncontrolled asthma despite adherence to optimised controller therapy and treatment of contributory factors, or that worsens when high-dose treatment is decreased. Although severe asthma is relatively rare, it deserves particular attention because it accounts for a substantial proportion of total asthma morbidity, mortality, and cost. For example, patients with severe asthma experience high exacerbation and hospitalisation rates, limitation of health-related quality of life, and high…
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