Bronchiectasis Clinical Trial
Official title:
A Prospective, Multicenter Study on the Long-term Prognosis of Children With Bronchiectasis Treated With Low-dose Erythromycin
According to their compliance, the children were divided into two groups: low dose erythromycin treated group (erythromycin 3-5mg/kg.d orally for 6 months) and non-erythromycin treatment group. The quality of life score and acute exacerbation were evaluated during the observation period (6 months) and one year after the withdrawal of Erythromycin.The pulmonary imaging changes and the degree of deterioration in pulmonary function were compared between the two groups.
Bronchiectasis is an important chronic pulmonary disease that endangers the health of children. It is characterized by recurrent respiratory tract infection, cough, massive pus sputum, hemoptysis, etc. The chronic progression of bronchiectasis may affect the lung function of children. It affects the quality of life, growth and development, and even leads to the death of children, and brings great harm to children and their families. A New Zealand study of non-cystic fibrotic bronchiectasis found that overall forced expiratory volume at one second (FEV1) declined at an average annual rate of 1.6%. Other studies have shown a significant decline in lung function in children with bronchiectasis even after treatment. Some reports on the prognosis of children with bronchiectasis in China show that most of the children have remission in clinical symptoms, but there are still some cases of chronic recurrence and death. A non-controlled study showed that adult bronchiectasis patients who received long-term azithromycin had fewer acute exacerbations and improved symptoms, which might be associated with the antimicrobial activity and anti-inflammatory of macrolide antibiotics. In children, the effect of macrolide antibiotics on cystic fibrosis is positive. Studies have shown that macrolides can effectively improve pulmonary function and reduce the incidence of acute exacerbation of pulmonary lesions. The course of treatment is at least 6 months. For non-cystic fibrosis bronchiectasis, recent studies have shown that long-term azithromycin treatment can reduce the exacerbation of pulmonary lesions. However, the treatment of bronchiectasis children in China is still lack of standard. The aim of this study was to explore the effect of macrolides on the long term prognosis of children with bronchiectasis in China, in order to standardize the treatment and improve the prognosis of the children with bronchiectasis. ;
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