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Arch Bronconeumol. 2012 Jul;48(7):240-6. doi: 10.1016/j.arbres.2012.02.003. Epub 2012 Mar 30.

Deposition of inhaled particles in the lungs.

[Article in English, Spanish]

Author information

1
Instituto Nacional de Silicosis, Hospital Universitario Central de Asturias, Facultad de Medicina, Universidad de Oviedo, España.

Abstract

Inhaled medication is the first-line treatment of diseases such as asthma or chronic obstructive pulmonary disease. Its effectiveness is related to the amount of drug deposited beyond the oropharyngeal region, the place where the deposit occurs and its distribution (uniform or not). It is also important to consider the size of the inhaled particles, the breathing conditions, the geometry of the airways and the mucociliary clearance mechanisms. Currently, mathematical models are being applied to describe the deposition of inhaled drugs based on the size of the particles, the inspiratory flow and the anatomical distribution of the bronchial tree. The deposition of particles in the small airways gets maximum attention from pharmaceutical companies and is of great interest as it is related with a better control in patients receiving these drugs.

PMID:
22464044
DOI:
10.1016/j.arbres.2012.02.003
[Indexed for MEDLINE]
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