Abstract OBJECTIVE: To investigate the value of fractional nitric oxide concentration in exhaled breath (FeNO) in assessing the level of asthma control in children. METHODS: A total of 226 asthmatic children were divided into controlled asthma (n= 86), partially controlled asthma (n=63), and uncontrolled asthma groups (n=77). Ninety healthy children were enrolled as controls. FeNO was measured for both asthmatic and healthy children using the Swedish-designed NIOX system. RESULTS: The control group had an FeNO of 14±6 ppb, the controlled asthma group had an FeNO of 29±26 ppb, the partially controlled asthma group had an FeNO of 32±30 ppb, and the uncontrolled asthma group had an FeNO of 40±32 ppb. The three asthma groups showed significantly higher FeNO than the control group (P0.05). CONCLUSIONS: Asthmatic children have significantly higher FeNO than healthy children, and FeNO is correlated with the level of asthma control.
XIANG Li,FU YA-Nan,LI Zhen et al. Value of fractional nitric oxide concentration in exhaled breath in assessing level of asthma control in children[J]. CJCP, 2013, 15(1): 29-32.
XIANG Li,FU YA-Nan,LI Zhen et al. Value of fractional nitric oxide concentration in exhaled breath in assessing level of asthma control in children[J]. CJCP, 2013, 15(1): 29-32.
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