Abstract
The association between asthma and gastro-oesophageal reflux disease (GERD) is well known. The aim of this study was to elucidate the causal relationship between reflux oesophagitis (RE) and asthma. Seventy-two adult asthmatics were examined regarding their GERD symptoms, and each underwent an endoscopic examination. According to the Los Angeles classification, we divided the patients into three groups: group 1 (n= 52), no mucosal break; group 2 (n= 15), RE corresponding to grades A or B; group 3 (n = 5), RE corresponding to grades C or D. The asthmatics in groups 2 and 3 received anti-reflux treatment for their GERD for 8 weeks. Their morning and evening peak expiratory flow rates (PEFR), daily variability of the PEFR and daily use of an inhalation bronchodilator were compared before and after this treatment. The percentage of severe asthma and postprandial exacerbation of asthma in group 3 were significantly higher than those in the other two groups. In contrast, the number of eosinophiles and the serum level of immunoglobulin E in group 3 were significantly lower than those in the other two groups. After the antireflux treatment, significant improvements of both PEFR and daily use of the inhalation bronchodilator were observed only in group 3. The endoscopic severity of RE is associated with the characteristics of adult asthmatics and the treatment of severe RE improved the asthmatics' condition.
Published Version
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