Prevalence and characteristics of asthma-COPD overlap syndrome identified by a stepwise approach.

ABSTRACT:

Background and objective

There is increasing recognition of asthma-COPD overlap syndrome (ACOS), which shares some features of both asthma and COPD; however, the prevalence and characteristics of ACOS are not well understood. The aim of this study was to investigate the prevalence of ACOS among patients with COPD and its characteristics using a stepwise approach as stated in the recent report of the Global Initiative for Asthma (GINA) and the Global Initiative for Chronic Obstructive Lung Disease (GOLD).

Methods

This multicenter, cross-sectional, observational study enrolled outpatients who were receiving medical treatment for COPD. Clinical data, including spirometry results, were retrieved from medical records. For symptom assessment, patients were asked to complete the Cl

SUBMITTER: Inoue H 

PROVIDER: S-EPMC5490467 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature