Search results for "Asthma copd overlap"

OSACO: an observational study in asthma-COPD overlap syndrome (ACOS)

2017

Background: ACOS describes the co-occurrence of asthma and COPD, although its prevalence and clinical features remain poorly characterized. Aims: To better understand the prevalence and characteristics of ACOS. Methods: An observational study is being performed in subjects with bronchial obstruction at 3 Italian centers. In the first phase, consecutive patients ≥40 years with documented bronchial obstruction are being recruited; eligible patients will enter the second phase, consisting of imaging, functional and clinical evaluation with the MRC dyspnea scale, St. George9s respiratory questionnaire index, Charlson index, and skin prick test. Main inclusion criteria for the evaluation phase a…