Article
Clinical phenotypes of COPD: results of a Japanese epidemiological survey.
Respirology (Carlton, Vic.) - 1 Aug 2004
Tatsumi Koichiro, Kasahara Yasunori, Kurosu Katsushi, Tanabe Nobuhiro, Takiguchi Yuichi, Kuriyama Takayuki
Abstract excerpt
OBJECTIVE: The Global Initiative for Obstructive Lung Disease characterizes COPD as airflow limitation caused by parenchymal destruction and/or small airway disease. This report characterizes the clinical features of these two phenotypes of COPD in Japan. METHODOLOGY: COPD was diagnosed by spirometric airflow limitation (FEV(1)/FVC < 70%), and all subjects underwent chest CT scanning. Patients with diffuse low...
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