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The Korean Journal of Medicine 2009;77(4): 401-406.
COPD의 진단
이 관 호
Diagnosis of chronic obstructive pulmonary disease
Kwan-Ho Lee
ABSTRACT
The chronic obstructive pulmonary disease (COPD) can be diagnosed by spirometry. COPD is confirmed when a patient who has symptoms that are compatible with COPD is found to have airflow obstruction (post expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) ratio less than 0.70). However, the FEV1/FVC ratio decreases with age and can create a risk for underdiagnosis in young patients and overdiagnosis in older patients. Therefore, clear consensus definition of diagnostic criteria for COPD in older patients is needed. The staging system using FEV1 alone has been criticized for underestimating the importance of the extrapulmonary manifestation of COPD in predicting outcome. The BODE (Body mass index, Obstruction, Dyspnea, Exercise capacity) index provides better prognostic information than the FEV1 alone and can be used to assess therapeutic response. (Korean J Med 77:401-406, 2009)
Keywords: Chronic obstructive pulmonary disease; Diagnosis
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