PURPOSE: Chronic obstructive pulmonary disease (COPD) has been recognized as a heterogeneous, multiple organ system-affecting disorder. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) places emphasis on symptom and exacerbation management. The aim of this study is examine the course of COPD and its impact on morbidity and all-cause mortality of patients, with respect to individual phenotypes and GOLD categories. This study will also evaluate COPD real-life patient care in the Czech Republic. PATIENTS AND METHODS: The Czech Multicentre Research Database of COPD is projected to last for 5 years, with the aim of enrolling 1,000 patients. This is a multicenter, observational, and prospective study of patients with severe COPD (post-bronchodilator forced expiratory volume in 1 second ≤ 60%). Every consecutive patient, who fulfils the inclusion criteria, is asked to participate in the study. Patient recruitment is done on the basis of signed informed consent. The study was approved by the Multicentre Ethical Committee in Brno, Czech Republic. RESULTS: The objective of this paper was to outline the methodology of this study. CONCLUSION: The establishment of the database is a useful step in improving care for COPD subjects. Additionally, it will serve as a source of data elucidating the natural course of COPD, comorbidities, and overall impact on the patients. Moreover, it will provide information on the diverse course of the COPD syndrome in the Czech Republic.

Department of Pneumology University Hospital Hradec Kralove Charles University Prague Faculty of Medicine in Hradec Kralove Hradec Kralove the Czech Republic

Department of Pulmonology Hospital Bulovka Praha the Czech Republic

Department of Pulmonology University Hospital Charles University Plzen the Czech Republic

Department of Pulmonology University Hospital Masaryk University Brno the Czech Republic

Department of Pulmonology University Hospital Motol Charles University Praha the Czech Republic

Department of Pulmonology University Hospital Palacky University Olomouc the Czech Republic

Institute of Biostatistics and Analyses Faculty of Medicine Masaryk University Brno the Czech Republic

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