"The reason for that is probably because these patients have had very difficult asthma for a long time and their lung capacity gets reduced because of that," o 'byrne said.
奥拜恩称，“之所以这样可能是因为，这些患者长期患有严重哮喘，导致其肺容量下降”。
Cough-variant asthma is somewhat difficult to diagnose because the cough may be the only symptom, and cough itself may appear to be bronchitis or cough associated with postnasal drip.
要诊断咳嗽变异性哮喘是有些困难的，因为咳嗽可能是唯一的症状，而且咳嗽本身可能表现为支气管炎或伴流涕症状。
But don't downplay it. Undiagnosed asthma can make life more difficult and could even be deadly.
但是，不要低估它，哮喘能够让人们的生活更加困难，甚至致命。
Dr Matt Hallsworth, of the charity asthma UK, said: 'House-dust mite allergen can be an important trigger for many people with asthma, but is notoriously difficult to avoid.
英国哮喘慈善组织的Matt Halls worth博士说：“屋尘螨过敏原是一个最重要的哮喘病触发器。众所周知，对于很多患有哮喘病的人来说，屋尘螨过敏原是的很难避免的。”
Early diagnosis was still difficult. The disease might resutt in severe asthma and respiratory failure.
早期诊断仍困难，易延误病情，以致重症哮喘易致呼吸衰竭。
Early diagnosis was still difficult. The disease might resutt in severe asthma and respiratory failure.
早期诊断仍困难，易延误病情，以致重症哮喘易致呼吸衰竭。
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