For many years asthmatic patients have been told to avoid using feather filled pillows on their beds, although there is no evidence to support this practice. Strachan and Carey's case-control study is the first to have directly challenged this assumption. This study showed that, after exclusion of asthmatic subjects whose bedding had been changed because of their disease, pillows with synthetic fillings were a risk factor for severe asthma. In the light of this finding, we have compared pillows with synthetic and feather fillings for their content of Der p I, the major allergen of the house dust mite Dermatophagoides pteronyssinus.
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机译：多年来，尽管没有证据支持哮喘患者，但告知哮喘患者避免在床上使用羽毛填充的枕头。 Strachan和Carey的病例对照研究是第一个直接挑战这一假设的研究。这项研究表明，在排除因疾病改变床褥的哮喘患者后，带有合成填充物的枕头是导致严重哮喘的危险因素。根据这一发现，我们比较了带有合成和羽毛填充物的枕头中Der p I（室内尘螨Dermatophagoides pteronyssinus的主要过敏原）的含量。
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