Author: Lee, So-lun; Chiu, Shui-seng Susan; Malik, Peiris Joseph S.; Chan, Kwok-hung; Wong, Hing-sang Wilfred; Lau, Yu-lung
Title: Is respiratory viral infection really an important trigger of asthma exacerbations in children? Document date: 2011_3_30
ID: ypkia5x1_25
Snippet: We found that viral infections accounted for about 35% of asthma exacerbations and 39% of non-asthma associated respiratory illnesses in children with stable asthma control during the immediate post-SARS period. We did not negate the well-established causal relationship between respiratory viral infections and asthma exacerbations. Rather, our study sug- gested that the improved personal hygiene and precautionary measures taken during respiratory.....
Document: We found that viral infections accounted for about 35% of asthma exacerbations and 39% of non-asthma associated respiratory illnesses in children with stable asthma control during the immediate post-SARS period. We did not negate the well-established causal relationship between respiratory viral infections and asthma exacerbations. Rather, our study sug- gested that the improved personal hygiene and precautionary measures taken during respiratory tract infections may help to reduce the potential adverse effect at high risk groups, like children with asthma. In addition, factors like environmental air pollution may also contribute significantly to morbidity of children with asthma in locality where the problem is particularly adverse. We conclude that not all viral infections in children with asthma lead to an asthma exacerbation and the attributing effect of different triggers of asthma exacerbations in children varies across different time periods and across different localities. Updated local data whenever available are preferred when planning for health care policies.
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