The subjects studied were 22 pediatric patients newly diagnosed with atopic dermatitis (AD); 11 were treated with acid electrolytic water (AEW), which has a strong bactericidal activity (AEW group), and the other 11 with tap water (placebo group). AEW or tap water, 1 ml/cm2 (body surface area), was sprayed on their skin lesions with a spray gun each twice a day for a week. There were no significant differences between the two groups in regard to sex, age, serum IgE, peripheral eosinophil counts, grading scores of AD, and duration of AD. The study was designed as a randomized, placebo-controlled, double-blind clinical trial. Colony counts of Staphylococcus aureus on skin lesions in the AEW group, both 3 min after spraying (P < 0.05) and after 1 week of skin treatment (P < 0.01), were significantly decreased as compared with colony counts before treatment, while there was no significant difference in the placebo group before and after treatment. Grading scores of AD also decreased in the AEW group (P < 0.01), but not in the placebo group. Both the subjects' guardians' evaluation and a referee physician's evaluation of treatment effect were significantly higher in the AEW group than in the placebo group (P < 0.01). AEW may be potentially effective in preventing a staphylococcal chronic inflammation in AD because of its strong bactericidal activity.

Plasma thrombomodulin (TM) levels were measured in 68 patients with atopic dermatitis (AD) and 35 controls. Plasma TM levels in patients with AD were significantly higher than those of controls (p < 0.01). A significant correlation was observed between plasma TM levels and skin scores of AD or peripheral eosinophil counts (p < 0.01). There was also a positive correlation between plasma TM and vascular cell adhesion molecule‐1 levels (p < 0.05). Conclusion: These results suggest that plasma TM levels may reflect a severity of AD and/or endothelial cell activation induced by an allergic inflammation.

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We reported a 15-year-old Japanese girl with possible eosinophilic pneumonia (EP) from inhaled Alternaria. She presented with a fever, cough and general fatigue and with a moderate infiltrate in the right lower to middle lung fields on a chest roentgenogram one week previously. On admission, the above infiltrate had disappeared, while a left upper infiltrate had appeared. Eosinophilic pneumonia (EP) was diagnosed by a cytological study of bronchoalveolar lavage fluid and histology of a transbronchial lung biopsy. Skin test to and specific serum IgE antibody against Alternaria were both positive. An inhaled Alternaria challenge test showed both immediate and late phase allergic reactions as evidenced by %FEV1. In addition, Alternaria was significantly detected in all places of the patient's house. Alternaria could be a causative organism of EP and should always be considered one of its etiologic agents.