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Many respiratory conditions require treatment with inhaled therapy but chronic obstructive pulmonary disease (COPD) and asthma are by far the most common. Inhalers allow for convenient, local drug delivery but there are factors that affect this. The most common are flow rate, device design and patient factors such as manual dexterity, and ability to co-ordinate inspiration and actuation.
In August 2016, the authors of a study published in Chest found that only 31% of patients diagnosed with asthma or COPD used their inhalers correctly, another 41% had ‘acceptable’technique and 31% had ‘poor’ technique.1
Author: Ravijyot Saggu