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      Phenotypes of COPD patients with a smoking history in Central and Eastern Europe: the POPE Study

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          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          Chronic obstructive pulmonary disease (COPD) represents a major health problem in Central and Eastern European (CEE) countries; however, there are no data regarding clinical phenotypes of these patients in this region.

          Participation in the Phenotypes of COPD in Central and Eastern Europe (POPE) study was offered to stable patients with COPD in a real-life setting. The primary aim of this study was to assess the prevalence of phenotypes according to predefined criteria. Secondary aims included analysis of differences in symptom load, comorbidities and pharmacological treatment.

          3362 patients with COPD were recruited in 10 CEE countries. 63% of the population were nonexacerbators, 20.4% frequent exacerbators with chronic bronchitis, 9.5% frequent exacerbators without chronic bronchitis and 6.9% were classified as asthma–COPD overlap. Differences in the distribution of phenotypes between countries were observed, with the highest heterogeneity observed in the nonexacerbator cohort and the lowest heterogeneity observed in the asthma–COPD cohort. There were statistically significant differences in symptom load, lung function, comorbidities and treatment between these phenotypes.

          The majority of patients with stable COPD in CEE are nonexacerbators; however, there are distinct differences in surrogates of disease severity and therapy between predefined COPD phenotypes.

          Abstract

          Distinct phenotypes of COPD in Central and Eastern Europe have differences in symptoms, comorbidities and treatment http://ow.ly/oMZI307ndr5

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          Most cited references 37

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          A new method of classifying prognostic comorbidity in longitudinal studies: development and validation.

          The objective of this study was to develop a prospectively applicable method for classifying comorbid conditions which might alter the risk of mortality for use in longitudinal studies. A weighted index that takes into account the number and the seriousness of comorbid disease was developed in a cohort of 559 medical patients. The 1-yr mortality rates for the different scores were: "0", 12% (181); "1-2", 26% (225); "3-4", 52% (71); and "greater than or equal to 5", 85% (82). The index was tested for its ability to predict risk of death from comorbid disease in the second cohort of 685 patients during a 10-yr follow-up. The percent of patients who died of comorbid disease for the different scores were: "0", 8% (588); "1", 25% (54); "2", 48% (25); "greater than or equal to 3", 59% (18). With each increased level of the comorbidity index, there were stepwise increases in the cumulative mortality attributable to comorbid disease (log rank chi 2 = 165; p less than 0.0001). In this longer follow-up, age was also a predictor of mortality (p less than 0.001). The new index performed similarly to a previous system devised by Kaplan and Feinstein. The method of classifying comorbidity provides a simple, readily applicable and valid method of estimating risk of death from comorbid disease for use in longitudinal studies. Further work in larger populations is still required to refine the approach because the number of patients with any given condition in this study was relatively small.
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            Standardisation of spirometry.

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              Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GOLD executive summary.

              Chronic obstructive pulmonary disease (COPD) remains a major public health problem. It is the fourth leading cause of chronic morbidity and mortality in the United States, and is projected to rank fifth in 2020 in burden of disease worldwide, according to a study published by the World Bank/World Health Organization. Yet, COPD remains relatively unknown or ignored by the public as well as public health and government officials. In 1998, in an effort to bring more attention to COPD, its management, and its prevention, a committed group of scientists encouraged the U.S. National Heart, Lung, and Blood Institute and the World Health Organization to form the Global Initiative for Chronic Obstructive Lung Disease (GOLD). Among the important objectives of GOLD are to increase awareness of COPD and to help the millions of people who suffer from this disease and die prematurely of it or its complications. The first step in the GOLD program was to prepare a consensus report, Global Strategy for the Diagnosis, Management, and Prevention of COPD, published in 2001. The present, newly revised document follows the same format as the original consensus report, but has been updated to reflect the many publications on COPD that have appeared. GOLD national leaders, a network of international experts, have initiated investigations of the causes and prevalence of COPD in their countries, and developed innovative approaches for the dissemination and implementation of COPD management guidelines. We appreciate the enormous amount of work the GOLD national leaders have done on behalf of their patients with COPD. Despite the achievements in the 5 years since the GOLD report was originally published, considerable additional work is ahead of us if we are to control this major public health problem. The GOLD initiative will continue to bring COPD to the attention of governments, public health officials, health care workers, and the general public, but a concerted effort by all involved in health care will be necessary.
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                Author and article information

                Journal
                Eur Respir J
                Eur. Respir. J
                ERJ
                erj
                The European Respiratory Journal
                European Respiratory Society
                0903-1936
                1399-3003
                May 2017
                11 May 2017
                : 49
                : 5
                Affiliations
                [1 ]Dept of Pneumology, University Hospital Hradec Kralove, Faculty of Medicine in Hradec Kralove, Charles University in Prague, Hradec Kralove, Czech Republic
                [2 ]Clinic for Pulmonary Diseases, Faculty of Medicine, Clinical Centre of Serbia, Belgrade, Serbia
                [3 ]Dept of Pneumology, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
                [4 ]Dept of Respiratory Medicine and Tuberculosis, Faculty of Medicine, P.J. Safarik University, Kosice, Slovakia
                [5 ]Dept of Pulmonology, University of Szeged, Deszk, Hungary
                [6 ]Laboratory of Pulmonology, Moscow State University of Medicine and Dentistry named after A.I.Evdokimov, Moscow, Russia
                [7 ]School of Medicine Zagreb, University Hospital Dubrava, Zagreb, Croatia
                [8 ]Clinic of Pulmonary Diseases, Military Medical Academy, Sofia, Bulgaria
                [9 ]Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czech Republic
                [10 ]Pulmonary Dept, Topolsica Hospital, Topolsica, Slovenia
                [11 ]Faculty of Medicine, University of Latvia, Riga, Latvia
                [12 ]Pneumology Dept, Hospital Universitari Vall d'Hebron, CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
                [13 ]Dept of Respiratory and Critical Care Medicine, Ludwig-Boltzmann-Institute for COPD and Respiratory Epidemiology, Otto-Wagner-Spital, Vienna, Austria
                Author notes
                Arschang Valipour, Dept of Respiratory and Critical Care Medicine, Ludwig Boltzmann Institute for COPD and Respiratory Epidemiology, Otto Wagner Hospital, Sanatoriumstrasse 2, 1140 Vienna, Austria. E-mail: arschang.valipour@ 123456wienkav.at
                Article
                ERJ-01446-2016
                10.1183/13993003.01446-2016
                5460642
                28495687
                Copyright ©ERS 2017

                This ERJ Open article is open access and distributed under the terms of the Creative Commons Attribution Non-Commercial Licence 4.0.

                Categories
                Original Articles
                COPD
                1

                Respiratory medicine

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