• Ai-huan Chen, Rong-chang Chen, Jie-yi Zhan, Sui Huang, Yu-neng Lin, De-hui Chen, Cui-zhen Yang, and Nan-shan Zhong.
• The State Key Laboratory of Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical College, Guangzhou 510120, China.
• Zhonghua Jie He He Hu Xi Za Zhi. 2012 Apr 1;35(4):269-74.

ObjectiveTo evaluate the effect of nebulized budesonide (BUD) in acute moderate to severe exacerbations of asthma in children.MethodsForty children, 5 to 15 years of age, with acute moderate to severe attacks of asthma, were randomized into BUD group and control group, receiving nebulized 0.5% salbutamol (150 µg/kg) + 0.025% ipratropium bromide (1 ml) + 0.05% budesonide (2 ml) or nebulized 0.5% salbutamol (150 µg/kg) + 0.025% ipratropium bromide (1 ml) + saline (2 ml) at half-hourly intervals for 3 doses respectively. Lung function, respiratory rate (RR), heart rate(HR), oxygen saturation (SaO2) and clinical score (CS) were monitored.ResultsThe baseline characteristics of the 2 groups were similar. After 3 doses of nebulization, CS, RR, SaO2, FEV(1) and FEV(1)% were significantly improved in both groups (P < 0.05). The CS in BUD group was significantly lower than that in control group at the end of 2 h after the third dose of nebulization 0 (0) vs 0 (1), Z = 2.522, P = 0.012. There were no significant differences in RR, HR and SaO2 between 2 groups (P > 0.05). The improvement of FEV(1)% in the first hour and the second hour after 3 doses of nebulization was 8.0 (6.8)% and 5.5 (6.5)% in BUD group, and 6.0 (8.5)% and 1.0 (6.5)% in control group, the improvement in BUD group being significantly greater than that in control group (Z = 2.270 and 2.686, P = 0.023 and 0.007 respectively). The improvement of FEV(1) in the second hour after 3 doses of nebulization was significantly greater in BUD group than in control group 0.07 (0.12) L vs 0.01 (0.10) L, Z = 2.455, P = 0.014. The full recovery rate in BUD group at the end of 2 h after completion of nebulization was significantly higher than that in control group (17/20, 85.0% vs 9/18, 50.0%, χ(2) = 5.371, P = 0.024). The proportion of patients who needed to use oral corticosteroids was significantly lower in BUD group than in control group (3/20, 15.0% vs 8/18, 44.4%, χ(2) = 3.993, P = 0.046). The hospitalization rate was 5% (1/20) in BUD group, and 17% (3/18) in control group, but the difference was not statistically significant (P > 0.05).ConclusionNebulized BUD in high dose and at short intervals combined with rapid-acting bronchodilators has an additional bronchodilator response, associated with more rapid and better improvement in clinical symptoms and lung function, indicating that it is preferred in the early management of acute moderate to severe exacerbation of asthma in children.

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