Mechanism and progress of inhalation hypertonic saline in treatment of bronchiolitis

In infancy,bronchiolitis is the most common acute infection of the lower respiratory tract.It is mainly caused by respiratory syncytial virus,it invades mostly in winter.The treatment is mainly the support therapy at present,but the current treatment of bronchiolitis is still controversial. Bronchodilators and corticosteroids are widely used but not routinely recommended.Hypertonic saline is currently the only drug recommended by the Spanish Association of Pediatrics in treatment guidelines. Therefore,this article summarizes the atomization mechanism and progress of inhalation hypertonic saline.It is hoped that it can be helpful to the clinical treatment of bronchiolitis. Key words: Bronchiolitis; Hypertonic saline; Therapy