慢性阻塞性肺病(下称慢阻肺)极为多发。本病发病隐袭,但其发展后果甚为严重。从发病率和预后两方面看,可说是一种严重危害人民健康的疾病。如能早期对本病作出诊断,采取恰当防治措施,可中辍病情,阻止其发展。目前,诊断此病基本上是采用美国胸腔协会(ATS)提出的有关诊断标准。经20余年来临床实践证明,这套标准的准确性较高,但偏于严格。如按此尺度衡量,将有相当多的 Chronic obstructive pulmonary disease (COPD) is extremely frequent. The incidence of insidious disease, but its development is very serious consequences. From the morbidity and prognosis of two aspects, can be said to be a serious harm to people’s health disease. If early diagnosis of the disease, to take appropriate prevention and treatment measures can be out of condition, to prevent its development. At present, the diagnosis of the disease is basically based on the diagnostic criteria proposed by the American Thoracic Society (ATS). After more than 20 years of clinical practice has proved that the accuracy of this standard is higher, but biased to strict. As measured by this scale, there will be quite a lot