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https://www.selleckchem.com/products/AZD0530.html The respiratory system is constantly exposed to external pathogens but has different and effective defense systems. The pathophysiology of bronchiectasis affects the defense system considerably in that alterations occur in the airway that reduce its effectiveness in mucociliary clearance and the greater presence of mucins leads to the accumulation of more adherent and viscous mucus. One of the pillars of treatment of this disease should be improvement of mucociliary clearance and a decrease in the adherence and viscosity of the mucus. To this end, the mobilization of secretions must be increased through effective respiratory physiotherapy techniques, which can be manual and/or instrumental. The properties of mucus can be modified to improve its mobilization through the use of a mucoactive agent. Despite the increase in the number and quality of studies, the evidence for these treatments remains scarce, although their application is recommended in all guidelines.A significant proportion of bronchiectasis patients are chronically infected by potentially pathogenic microorganisms which may lead to frequent exacerbations and worse clinical outcomes. Current bronchiectasis guidelines recommend long-term inhaled antibiotics and/or oral macrolides as a part of patient management. In recent years, an increasing amount of evidence assessing the impact of these treatments on patient outcomes has been collected. Inhaled antibiotics have demonstrated significant improvements in sputum bacterial load, but their impact on patient quality of life, lung function, and exacerbation rate has not been consistent across trials. In this regard, recent post hoc analyses of inhaled antibiotics trials in bronchiectasis patients have shown that sputum bacterial load may be a key biomarker to predict treatment response in these patients. Oral macrolides, on the other hand, have proven to reduce exacerbation frequency and improve quality of lif

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