Stability of Frequent Exacerbator Phenotype in Patients with Chronic Obstructive Pulmonary Disease

Affiliations

Krachunov Iliya: Clinic of Pneumonology and Phthisiatry, Medical University, Pleven, Bulgaria
Kyuchukov Nikolay: Clinic of Pneumonology and Phthisiatry, Medical University, Pleven, Bulgaria
Ivanova Zlatina: Clinic of Pneumonology and Phthisiatry, Medical University, Pleven, Bulgaria
Yanev Nikolay A.: Clinic of Pulmonology, St Sofia University Hospital for Pulmonary Diseases, Sofia, Bulgaria
Hristova Petkana A.: Department of Social and Preventive Medicine, Medical Statistics, Pedagogy and Psychology, Medical University, Pleven, Bulgaria
Pavlov Plamen: Clinic of Pneumonology and Phthisiatry, Medical University, Pleven, Bulgaria
Glogovska Pavlina: Clinic of Pneumonology and Phthisiatry, Medical University, Pleven, Bulgaria
Popova Tsanya: Department of Internal Diseases, Dr. Georgi Stranski University Hospital, Pleven, Bulgaria
Ivanov Yavor Y.: Clinic of Pneumonology and Phthisiatry, Medical University, Pleven, Bulgaria

Abstract

Background: At present, there is little information in Bulgaria regarding the rate and stability of frequent-exacerbation phenotype in COPD patients.