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Ceyhan Y, Aydin C. Impact of COPD stage on self management with COPD patients: The mediating role of symptoms management. J Clin Nurs 2024; 33:3615-3623. [PMID: 38499992 DOI: 10.1111/jocn.17119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 03/05/2024] [Accepted: 03/08/2024] [Indexed: 03/20/2024]
Abstract
AIMS It is extremely important to determine the relationship between COPD and self-management (SM) in the disease process. However, the impact of symptom management (SpM) on this relationship is still unclear. The study aimed to examine the mediating role of SpM in the effect of the COPD stage on SM. DESIGN A predictive correlational study was reported following the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guidelines. METHODS This study was conducted between 15 February 2023 and 15 June 15 2023, with 306 patients. Data were collected using the Symptom Management Scale for Self-Efficacy and the Chronic Disease Self-Management Scale. Descriptive statistics and Process Macro Model 4 in the SPSS program were used for data analysis. RESULTS Most of the patients were in the moderate stage of COPD; their SM scores were at low levels; SpM scores were at moderate levels. The model was significant, and the variables explained 65% of the model. The COPD stage was significantly positively correlated with SpM and negatively correlated with SM. There was a significant positive impact between SpM and SM. The positive and significant standardised indirect effect of SpM on SM evidenced a full mediating effect. CONCLUSIONS Symptom management has a full mediating role in the effect of the COPD stage on SM. It was revealed that the level of SM can be increased by achieving SpM. IMPLICATIONS FOR THE PROFESSION AND/OR PATIENT CARE Symptoms are vital in COPD. Progression of COPD increases symptom severity. Being successful in SpM greatly contributes to the achievement of self-management. Therefore, nurses should definitely consider symptom control in strengthening self-management in the care of patients with COPD. PATIENT OR PUBLIC CONTRIBUTION Patients' COPD stage was determined by a pulmonologist involved in the study. Voluntary patients with COPD hospitalised in the pulmonology clinic were included in the study.
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Affiliation(s)
- Yasemin Ceyhan
- Department of Internal Medicine Nursing, Kirsehir Ahi Evran University Faculty of Health Sciences, Kırşehir, Turkey
| | - Cihan Aydin
- Department of Chest Diseases, Clinic of Pulmonology, Kirsehir Ahi Evran University Training and Research Hospital, Kırşehir, Turkey
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Jun J, Park C, Fritschi C, Balserak B, Martyn-Nemeth P, Kuna S, Kapella M. Symptom Cluster Profiles in Adults with Chronic Obstructive Pulmonary Disease and Insomnia. West J Nurs Res 2023; 45:789-799. [PMID: 37377369 DOI: 10.1177/01939459231184709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
BACKGROUND People with chronic obstructive pulmonary disease (COPD) and insomnia may experience multiple symptoms that can affect physical function, but little research has focused on symptom clusters in this population. OBJECTIVES This study aimed to identify subgroups of people with COPD and insomnia based on a pre-specified symptom cluster and determine whether physical function differed in the subgroups. METHODS This secondary data analysis included 102 people with insomnia and COPD. Latent profile analysis classified subgroups of individuals sharing similar patterns of five symptoms: insomnia, dyspnea, fatigue, anxiety, and depression. Multinomial logistic regression and multiple regression determined factors associated with the subgroups and whether physical function differed among them. RESULTS Three groups of participants were identified based on the severity of all five symptoms: low (Class 1), intermediate (Class 2), and high (Class 3). Compared to Class 1, Class 3 showed lower self-efficacy for sleep and for COPD management and more dysfunctional beliefs and attitudes about sleep. Class 3 showed more dysfunctional beliefs and attitudes about sleep than Class 2. Class 1 showed significantly better physical function than Classes 2 and 3. CONCLUSIONS Self-efficacy for sleep and for COPD management and dysfunctional beliefs and attitudes about sleep were associated with class membership. As physical function differed among subgroups, interventions to improve self-efficacy for sleep and for COPD management and minimize dysfunctional beliefs and attitudes about sleep may reduce symptom cluster severity, in turn enhancing physical function.
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Affiliation(s)
- Jeehye Jun
- School of Nursing, University of Washington, Seattle, WA, USA
| | - Chang Park
- College of Nursing, University of Illinois Chicago, Chicago, IL, USA
| | - Cynthia Fritschi
- College of Nursing, University of Illinois Chicago, Chicago, IL, USA
| | - Bilgay Balserak
- College of Nursing, University of Illinois Chicago, Chicago, IL, USA
| | | | - Samuel Kuna
- School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Sleep Medicine Section, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
| | - Mary Kapella
- College of Nursing, University of Illinois Chicago, Chicago, IL, USA
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Cazzola M, Page CP, Wedzicha JA, Celli BR, Anzueto A, Matera MG. Use of thiols and implications for the use of inhaled corticosteroids in the presence of oxidative stress in COPD. Respir Res 2023; 24:194. [PMID: 37517999 PMCID: PMC10388561 DOI: 10.1186/s12931-023-02500-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/25/2023] [Indexed: 08/01/2023] Open
Abstract
BACKGROUND Oxidative stress and persistent airway inflammation are thought to be important contributors to the development of chronic obstructive pulmonary disease (COPD). This review summarizes the evidence for targeting oxidative stress and inflammation in patients with COPD with mucolytic/antioxidant thiols and inhaled corticosteroids (ICS), either alone or in combination. MAIN BODY Oxidative stress is increased in COPD, particularly during acute exacerbations. It can be triggered by oxidant air pollutants and cigarette smoke and/or by endogenous reactive oxygen species (ROS) released from mitochondria and activated inflammatory, immune and epithelial cells in the airways, together with a reduction in endogenous antioxidants such as glutathione (GSH). Oxidative stress also drives chronic inflammation and disease progression in the airways by activating intracellular signalling pathways and the release of further inflammatory mediators. ICS are anti-inflammatory agents currently recommended for use with long-acting bronchodilators to prevent exacerbations in patients with moderate-to-severe COPD, especially those with eosinophilic airway inflammation. However, corticosteroids can also increase oxidative stress, which may in turn reduce corticosteroid sensitivity in patients by several mechanisms. Thiol-based agents such as erdosteine, N-acetyl L-cysteine (NAC) and S-carboxymethylcysteine (S-CMC) are mucolytic agents that also act as antioxidants. These agents may reduce oxidative stress directly through the free sulfhydryl groups, serving as a source of reducing equivalents and indirectly though intracellular GSH replenishment. Few studies have compared the effects of corticosteroids and thiol agents on oxidative stress, but there is some evidence for greater antioxidant effects when they are administered together. The current Global Initiative for Chronic Obstructive Lung Disease (GOLD) report supports treatment with antioxidants (erdosteine, NAC, S-CMC) in addition to standard-of-care therapy as they have been demonstrated to reduce COPD exacerbations. However, such studies have demonstrated that NAC and S-CMC reduced the exacerbation risk only in patients not treated with ICS, whereas erdosteine reduced COPD exacerbations irrespective of concomitant ICS use suggesting that erdosteine has additional pharmacological actions to ICS. CONCLUSIONS Further clinical trials of antioxidant agents with and without ICS are needed to better understand the place of thiol-based drugs in the treatment of patients with COPD.
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Affiliation(s)
- Mario Cazzola
- Chair of Respiratory Medicine, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy.
| | - Clive P Page
- Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, London, UK
| | - Jadwiga A Wedzicha
- Respiratory Medicine Division, National Heart and Lung Institute, Imperial College London, London, UK
| | - Bartolome R Celli
- Pulmonary and Critical Care Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Antonio Anzueto
- Department of Pulmonary Medicine and Critical Care, University of Texas Health and South Texas Veterans Health Care System, San Antonio, TX, USA
| | - Maria Gabriella Matera
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
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Miravitlles M, Matsunaga K, Dreher M. Stepwise management of COPD: What is next after bronchodilation? Ther Adv Respir Dis 2023; 17:17534666231208630. [PMID: 37936381 PMCID: PMC10631322 DOI: 10.1177/17534666231208630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 09/29/2023] [Indexed: 11/09/2023] Open
Abstract
Inhaled bronchodilator therapy with long-acting muscarinic antagonists (LAMAs) and long-acting β2-agonists (LABAs) in combination is currently the mainstay of treatment for chronic obstructive pulmonary disease (COPD). Treatment guidelines recommend the addition of inhaled corticosteroids (ICS) to LABA/LAMA only in patients with a history of frequent/severe exacerbations and high blood eosinophil counts, or in those with concomitant asthma. Despite this, real-world data suggest that clinicians are not adhering to this guidance and that ICS are frequently overused. This is possibly due to the incorrect assumption that when LABA/LAMA therapy is not sufficient, adding an ICS to the treatment regimen is the logical next step. In this narrative review, we describe global and country-specific guideline recommendations from Germany, Spain, and Japan and compare these with real-world data on LABA/LAMA and ICS use in clinical practice. We also provide a clinical guide to the use of add-on therapies with LABA/LAMA for different patient phenotypes, including (1) patients still symptomatic (but not exacerbating) despite LABA/LAMA treatment; (2) patients still exacerbating despite LABA/LAMA treatment who have high blood eosinophil counts; and (3) patients still exacerbating despite LABA/LAMA treatment who do not have high blood eosinophils or concomitant asthma.
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Affiliation(s)
- Marc Miravitlles
- Pneumology Department, University Hospital Vall d′Hebron/Vall d’Hebron Research Institute (VHIR, Vall d’Hebron Barcelona Hospital Campus; CIBER de Enfermedades Respiratorias [CIBERES]), P. Vall d’Hebron 119–129, Barcelona 08035, Spain
| | - Kazuto Matsunaga
- Department of Respiratory Medicine and Infectious Disease, Graduate School of Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Michael Dreher
- Department of Pneumology and Intensive Care Medicine, University Hospital Aachen, Aachen, Germany
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Brat K, Svoboda M, Zatloukal J, Plutinsky M, Volakova E, Popelkova P, Novotna B, Dvorak T, Koblizek V. Prognostic Properties of the GOLD 2023 Classification System. Int J Chron Obstruct Pulmon Dis 2023; 18:661-667. [PMID: 37114105 PMCID: PMC10126720 DOI: 10.2147/copd.s410372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
Introduction Recently, the Global Initiative for Chronic Obstructive Lung Disease (GOLD) has published an update on the Global Strategy for Prevention, Diagnosis and Management of COPD, introducing a new classification of chronic obstructive pulmonary disease (COPD). Our aim was to assess the prognostic value of the new GOLD classification system in comparison with the previous GOLD classification systems (GOLD stages I-IV and GOLD groups A-D) and the BODE index. Methods We used the data of 784 patients with COPD from the Czech Multicenter Research Database of COPD. Patient survival was analyzed with the use of Kaplan-Meier estimate and Cox model of proportional risks. ROC analysis and area under curve (AUC) were used for comparison of GOLD classifications and BODE index. The analyses were performed with the use of software R (version 4.2.0). Results We analyzed data of 782 patients with complete data on GOLD classifications. The study population comprised 72.9% of men, 89.1% current or former smokers, with a mean age of 66.6 years, a mean BMI of 27.4 and a mean FEV1 44.9% of predicted. Probability of 5-year survival differed by GOLD classification. Application of the 2023 GOLD classification showed increased risk of death in group B (HR 1.82, 95% CI 1.14-2.92; p = 0.013) and in group E (HR 2.48, 95% CI 1.54-3.99; p˂0.001). The ROC analysis showed that the overall prognostic value of the 2023 GOLD classification was similarly weak to previous A-D GOLD classification schemes (AUCs 0.557-0.576) and was lower compared to the GOLD 1-4 system (AUC 0.614) and even lower when compared to the BODE index (AUC 0.715). Conclusion We concluded that the new GOLD classification system has poor prognostic properties and that specific prediction tools (eg, the BODE index) should be used for mortality risk assessment.
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Grants
- Czech Pneumological and Phthisiological Society
- The CMRD research project was funded by the Ministry of Health of the Czech Republic
- consortium of pharmaceutical companies (Sandoz, Novartis, GSK, CSL Behring, Cipla, Boehringer Ingelheim, AstraZeneca, and Angelini)
- The companies supported the CMRD project via unrestricted research grants. The supporters had no role in the study design, data analysis or in preparation of the manuscript. All opinions, results, and conclusions reported in this paper are independent from the sponsors
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Affiliation(s)
- Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czech Republic
- Faculty of Medicine, Masaryk University, Brno, Czech Republic
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czech Republic
- Correspondence: Kristian Brat, Department of Respiratory Diseases, University Hospital Brno and Faculty of Medicine, Masaryk University, Jihlavska street 20, Brno, 62500, Czech Republic, Tel +420 532 232 556, Email
| | - Michal Svoboda
- Institute of Biostatistics and Analyses, Ltd., Brno, Czech Republic
| | - Jaromir Zatloukal
- Pulmonary Department, University Hospital Olomouc, Olomouc, Czech Republic
- Faculty of Medicine, Palacky University, Olomouc, Czech Republic
| | - Marek Plutinsky
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czech Republic
- Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Eva Volakova
- Pulmonary Department, University Hospital Olomouc, Olomouc, Czech Republic
- Faculty of Medicine, Palacky University, Olomouc, Czech Republic
| | - Patrice Popelkova
- Pulmonary Department, University Hospital Ostrava, Ostrava, Czech Republic
- Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - Barbora Novotna
- Pulmonary Department, Bulovka Hospital, Prague, Czech Republic
| | - Tomas Dvorak
- Pulmonary Department, Mlada Boleslav Hospital, Mlada Boleslav, Czech Republic
| | - Vladimir Koblizek
- Pulmonary Department, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic
- Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
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Miravitlles M, Kawayama T, Dreher M. LABA/LAMA as First-Line Therapy for COPD: A Summary of the Evidence and Guideline Recommendations. J Clin Med 2022; 11:jcm11226623. [PMID: 36431099 PMCID: PMC9692772 DOI: 10.3390/jcm11226623] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/27/2022] [Accepted: 11/07/2022] [Indexed: 11/10/2022] Open
Abstract
Inhaled bronchodilators (alone or in combination) are the cornerstone of treatment for symptomatic patients with COPD, either as initial/first-line treatment or for second-line/treatment escalation in patients who experience persistent symptoms or exacerbations on monotherapy. The Global Initiative for Chronic Obstructive Lung Disease 2022 report recommends initial pharmacological treatment with a long-acting muscarinic antagonist (LAMA) or a long-acting β2-agonist (LABA) as monotherapy for most patients, or dual bronchodilator therapy (LABA/LAMA) in patients with more severe symptoms, regardless of exacerbation history. The recommendations for LABA/LAMA are broader in the American Thoracic Society treatment guidelines, which strongly recommend LABA/LAMA combination therapy over LAMA or LABA monotherapy in patients with COPD and dyspnea or exercise intolerance. However, despite consistent guideline recommendations, real-world prescribing data indicate that LAMA and/or LABA without an inhaled corticosteroid are not the most widely prescribed therapies in COPD. This article reviews global and regional/national guideline recommendations for the use of LABA/LAMA in COPD, examines the evidence for the effectiveness and safety of LABA/LAMA versus other therapies and offers a practical guide for clinicians to help ensure appropriate use of LABA/LAMA therapy.
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Affiliation(s)
- Marc Miravitlles
- Pneumology Department, Hospital Universitari Vall d′Hebron, Vall d’Hebron Research Institute (VHIR), Vall d’Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
- Correspondence: ; Tel.: +34-(93)-274-6157
| | - Tomotaka Kawayama
- Division of Respirology, Neurology, and Rheumatology, Department of Medicine, Kurume University School of Medicine, Kurume 830-0011, Japan
| | - Michael Dreher
- Department of Pneumology and Intensive Care Medicine, University Hospital Aachen, 52074 Aachen, Germany
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Peters JB, Antons JC, Koolen EH, van Helvoort HAC, van Hees HWH, van den Borst B, Spruit MA, Vercoulen JH, van ’t Hul AJ. Patient activation is a treatable trait in patients with chronic airway diseases: An observational study. Front Psychol 2022; 13:947402. [PMID: 36275228 PMCID: PMC9581203 DOI: 10.3389/fpsyg.2022.947402] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Background Self-management is key for reducing the burden of disease in chronical illness. However, applying self-management presupposes behavioral change. Sufficient knowledge, skills, confidence and motivation to make the needed behavior changes are important prerequisites. During the past years the Integral Diagnostic Trajectory was developed for patients with asthma or COPD which aims to identify treatable traits and activating patients for self-management. Objective In the present study the effects of the Integral Diagnostic Trajectory on the Patient Activation Measure (PAM®) were examined. In addition, predictive variables for PAM baseline scores and change scores were sought. Materials and methods A total of 241 patients with asthma or COPD referred to the pulmonologist at the Radboud university medical center, location Dekkerswald, Nijmegen were included. Patient activation was measured before the first visit and after the intervention with the 13-item PAM®. Additional, patient characteristics and health status were measured with the Nijmegen Clinical Screening Instrument (NCSI), modified Medical Research Council (mMRC), Asthma Control Questionnaire (ACQ), and COPD Clinical Questionnaire (CCQ). Results Fifty percent of the patients with asthma and seventy percent of the patients with COPD had low levels of activation at baseline (PAM level 1-2). Baseline PAM scores could be explained in patients with asthma for 7% by number of severe problems in health status. And for 18% in patients with COPD by number of severe problems, age and employment status. After the intervention both groups significantly improved on the PAM (T0: 56.0 ± 13.1 vs. T1:63.3 ± 14.0 in asthma, and T0: 50.0 ± 8.8 vs. 58.4 ± 11.1 in COPD). Multivariate stepwise regression analysis showed that only 24% of the change in score could be explained by baseline PAM score and being employed in patients with asthma, and 18% of the variance in change score could be predicted by baseline PAM score in COPD. Conclusion The present study showed that low level of activation is a common feature in patients with asthma and COPD. With a relatively short and seemingly simple intervention patients can reach higher levels of patient activation, which is a prerequisite for adopting self-management techniques in daily life.
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Affiliation(s)
- Jeannette B. Peters
- Department of Pulmonary Diseases, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Jeanine C. Antons
- Department of Pulmonary Diseases, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Eleonore H. Koolen
- Department of Pulmonary Diseases, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Hanneke A. C. van Helvoort
- Department of Pulmonary Diseases, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Hieronymus W. H. van Hees
- Department of Pulmonary Diseases, Donders Institute for Medical Neuroscience, Radboud University Medical Center, Nijmegen, Netherlands
| | - Bram van den Borst
- Department of Pulmonary Diseases, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Martijn A. Spruit
- Department of Research and Development, CIRO, Horn, Netherlands
- Department of Respiratory Medicine, Maastricht University Medical Center (MUMC), Maastricht, Netherlands
- Faculty of Health, Medicine and Life Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Jan H. Vercoulen
- Department of Medical Psychology, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Alex J. van ’t Hul
- Department of Pulmonary Diseases, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands
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Buhl R, Wilke T, Picker N, Schmidt O, Hechtner M, Kondla A, Maywald U, Vogelmeier CF. Real-World Treatment of Patients Newly Diagnosed with Chronic Obstructive Pulmonary Disease: A Retrospective German Claims Data Analysis. Int J Chron Obstruct Pulmon Dis 2022; 17:2355-2367. [PMID: 36172035 PMCID: PMC9512029 DOI: 10.2147/copd.s375190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 08/21/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose This study aimed to describe the real-world treatment of German incident COPD patients, compare that treatment with clinical guidelines, and provide insight into disease development after incident diagnosis. In addition, the economic burden of the disease by assessing COPD-related healthcare costs was described. Patients and Methods Based on a German claims dataset, continuously insured individuals (04/2014-03/2019) aged 40 years or older with at least two incident pulmonologist's diagnoses or one inpatient diagnosis of COPD (ICD-10-GM code J44.-; no respective diagnosis in a 12-month baseline period) were selected. Treatment patterns after incident diagnosis considering inhaled maintenance therapies identified by ATC codes (outpatient prescriptions) were analyzed. Prescription patterns were compared with recommendations of German COPD treatment guidelines. Severe exacerbations were assessed as hospitalizations with main diagnosis ICD-10-GM code J44.1. COPD-associated costs from the perspective of the health insurance fund AOK PLUS were calculated per patient-year (PY). Results The sample comprised 17,464 incident COPD patients with a mean age of 71.5 years. 58.9% were male and the mean Charlson-Comorbidity-Index was 5.3. During follow-up (median: 2.0 years), 57.1% of the patients received at least one prescription of an inhaled maintenance therapy, whereas 42.9% did not. Among treated patients, 35.2% started their treatment with LABA/LAMA, 25.3% with LAMA monotherapy, 16.2% with LABA/ICS, and 7.8% with LABA/LAMA/ICS therapy. Within four weeks after initial diagnosis, ICS-containing therapies were prescribed in 14.1% of patients. Of all patients with a prescribed triple therapy, 68.9% had no corresponding exacerbation history documented. On average, 0.16 severe exacerbations and 0.19 COPD-related hospitalizations were observed per PY during available follow-up. Direct COPD-related costs were 3,693 €/PY, with COPD-related hospitalizations being responsible for about 79.2% of these costs. Conclusion Long-acting bronchodilators are the mainstay of pharmacological treatment of incident COPD patients in Germany, in line with guideline recommendations. Yet, a considerable proportion of incident COPD patients did not receive any inhaled maintenance therapy.
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Affiliation(s)
- Roland Buhl
- Pulmonary Department, Mainz University Hospital, Mainz, Germany
| | | | - Nils Picker
- Cytel Inc - Ingress-Health HWM GmbH, Wismar, Germany
| | | | | | - Anke Kondla
- Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany
| | | | - Claus F Vogelmeier
- Department of Medicine, Pulmonary and Critical Care Medicine, Philipps University of Marburg (UMR), Member of the German Center for Lung Research (DZL), Marburg, Germany
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Hendrychova T, Svoboda M, Maly J, Vlcek J, Zimcikova E, Dvorak T, Zatloukal J, Volakova E, Plutinsky M, Brat K, Popelkova P, Kopecky M, Novotna B, Koblizek V. Self-Reported Overall Adherence and Correct Inhalation Technique Discordance in Chronic Obstructive Pulmonary Disease Population. Front Pharmacol 2022; 13:860270. [PMID: 36034870 PMCID: PMC9411979 DOI: 10.3389/fphar.2022.860270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 06/02/2022] [Indexed: 11/18/2022] Open
Abstract
Background: Adherence to inhaled medication constitutes a major problem in patients with chronic obstructive pulmonary disease (COPD) globally. However, large studies evaluating adherence in its entirety and capturing a large variety of potentially associated factors are still lacking. Objective: To study both elementary types of adherence to chronic inhaled COPD medication in “real-life” COPD patients and to assess relationships with a wide-ranging spectrum of clinical parameters. Methods: Data from the Czech Multicentre Research Database (CMRD) of COPD, an observational prospective study, were used. Overall adherence (OA) was evaluated with Morisky Medication Adherence Scale (©MMAS-4) and adherence to an application technique (A-ApplT) with the Five Steps Assessment. Mann–Whitney U test, Spearman’s correlation, and logistic regression were used to explore relationships between variables. Results: Data of 546 participants (69.6% of all patients from the CMRD) were analyzed. Two-thirds self-reported optimal OA, but only less than one-third demonstrated A-ApplT without any error. OA did not correlate with A-ApplT. Next, better OA was associated with higher education, a higher number of inhalers, a lower rate of exacerbations, poorer lung function, higher degree of upper respiratory tract symptoms (SNOT-22), absence of depressive symptoms, ex-smoking status, regular mouthwash after inhaled corticosteroids (ICS), and flu vaccination. By contrast, better A-ApplT was associated with a lower number of inhalers, better lung function, and regular mouthwash after ICS. Independent predictors of nonoptimal OA included lower degree of education, absence of flu vaccination, anemia, depression, and peptic ulcer history, whereas independent predictors of lower A-ApplT were lower education, absence of regular mouthwash after ICS, and higher COPD Assessment Test score. Conclusions: Parameters associated with OA and A-ApplT differ, and those associated with both adherence domains are sometimes associated inversely. Based on this finding, we understand these as two separate constructs with an overlap.
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Affiliation(s)
- Tereza Hendrychova
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Kralove, Charles University, Hradec Kralove, Czechia
| | - Michal Svoboda
- Institute of Biostatistics and Analyses, Ltd. Spin-off Company of the Masaryk University, Brno, Czechia
| | - Josef Maly
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Kralove, Charles University, Hradec Kralove, Czechia
| | - Jiri Vlcek
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Kralove, Charles University, Hradec Kralove, Czechia
| | - Eva Zimcikova
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Kralove, Charles University, Hradec Kralove, Czechia
| | - Tomas Dvorak
- Pulmonary Department, Klaudian Hospital, Mlada Boleslav, Czechia
| | - Jaromir Zatloukal
- Department of Respiratory Diseases and Tuberculosis, University Hospital Olomouc, Olomouc, Czechia
- Faculty of Medicine, Palacky University Olomouc, Olomouc, Czechia
| | - Eva Volakova
- Department of Respiratory Diseases and Tuberculosis, University Hospital Olomouc, Olomouc, Czechia
- Faculty of Medicine, Palacky University Olomouc, Olomouc, Czechia
| | - Marek Plutinsky
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czechia
- Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czechia
- Faculty of Medicine, Masaryk University, Brno, Czechia
- International Clinical Research Center, St. Anne´s University Hospital, Brno, Czechia
| | - Patrice Popelkova
- Department of Pulmonary Diseases and Tuberculosis, University Hospital Ostrava, Ostrava, Czechia
- Faculty of Medicine in Ostrava, Ostrava, Czechia
| | - Michal Kopecky
- Department of Pneumology, University Hospital Hradec Kralove, Hradec Kralove, Czechia
- Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czechia
| | - Barbora Novotna
- Department of Pneumology, Bulovka Hospital, Prague, Czechia
- 3rd Faculty of Medicine, Charles University, Prague, Czechia
| | - Vladimir Koblizek
- Department of Pneumology, University Hospital Hradec Kralove, Hradec Kralove, Czechia
- Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czechia
- *Correspondence: Vladimir Koblizek,
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10
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Hanania NA, Miravitlles M. Pharmacologic Management Strategies of Asthma-Chronic Obstructive Pulmonary Disease Overlap. Immunol Allergy Clin North Am 2022; 42:657-669. [PMID: 35965052 DOI: 10.1016/j.iac.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The best therapeutic approach to patients with asthma-chronic obstructive pulmonary disease overlap (ACO) is unknown. Current treatment recommendations rely on expert opinions, roundtable discussions, and strategy documents, because patients with ACO have been excluded from most clinical studies in asthma and COPD. Because of the underlying asthma initial therapy, early use of inhaled corticosteroids along with a long-acting bronchodilator is recommended. If maintenance inhaler therapy is not effective, advanced therapies based on phenotyping and identification of treatable traits may be considered.
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Affiliation(s)
- Nicola A Hanania
- Section of Pulmonary and Critical Care Medicine, Baylor College of Medicine, 1504 Taub Loop, Houston, TX 77030, USA.
| | - Marc Miravitlles
- Pneumology Department, Hospital Universitari Vall d'Hebron/Vall d'Hebron Research Institute (VHIR), Vall d'Hebron Barcelona Hospital Campus, P. Vall d'Hebron 119-129, Barcelona 08035, Spain
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11
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Klimovic S, Scurek M, Pesl M, Beckerova D, Jelinkova S, Urban T, Kabanov D, Starek Z, Bebarova M, Pribyl J, Rotrekl V, Brat K. Aminophylline Induces Two Types of Arrhythmic Events in Human Pluripotent Stem Cell-Derived Cardiomyocytes. Front Pharmacol 2022; 12:789730. [PMID: 35111056 PMCID: PMC8802108 DOI: 10.3389/fphar.2021.789730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 11/17/2021] [Indexed: 11/13/2022] Open
Abstract
Cardiac side effects of some pulmonary drugs are observed in clinical practice. Aminophylline, a methylxanthine bronchodilator with documented proarrhythmic action, may serve as an example. Data on the action of aminophylline on cardiac cell electrophysiology and contractility are not available. Hence, this study was focused on the analysis of changes in the beat rate and contraction force of human pluripotent stem cell-derived cardiomyocytes (hPSC-CMs) and HL-1 cardiomyocytes in the presence of increasing concentrations of aminophylline (10 µM-10 mM in hPSC-CM and 8-512 µM in HL-1 cardiomyocytes). Basic biomedical parameters, namely, the beat rate (BR) and contraction force, were assessed in hPSC-CMs using an atomic force microscope (AFM). The beat rate changes under aminophylline were also examined on the HL-1 cardiac muscle cell line via a multielectrode array (MEA). Additionally, calcium imaging was used to evaluate the effect of aminophylline on intracellular Ca2+ dynamics in HL-1 cardiomyocytes. The BR was significantly increased after the application of aminophylline both in hPSC-CMs (with 10 mM aminophylline) and in HL-1 cardiomyocytes (with 256 and 512 µM aminophylline) in comparison with controls. A significant increase in the contraction force was also observed in hPSC-CMs with 10 µM aminophylline (a similar trend was visible at higher concentrations as well). We demonstrated that all aminophylline concentrations significantly increased the frequency of rhythm irregularities (extreme interbeat intervals) both in hPSC-CMs and HL-1 cells. The occurrence of the calcium sparks in HL-1 cardiomyocytes was significantly increased with the presence of 512 µM aminophylline. We conclude that the observed aberrant cardiomyocyte response to aminophylline suggests an arrhythmogenic potential of the drug. The acquired data represent a missing link between the arrhythmic events related to the aminophylline/theophylline treatment in clinical practice and describe cellular mechanisms of methylxanthine arrhythmogenesis. An AFM combined with hPSC-CMs may serve as a robust platform for direct drug effect screening.
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Affiliation(s)
- Simon Klimovic
- CEITEC, Masaryk University, Brno, Czechia
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
- Department of Biochemistry, Faculty of Science, Masaryk University, Brno, Czechia
| | - Martin Scurek
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czechia
- Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Martin Pesl
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czechia
- First Department of Internal Medicine—Cardioangiology, Faculty of Medicine, St. Anne’s University Hospital, Masaryk University, Brno, Czechia
| | - Deborah Beckerova
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czechia
| | - Sarka Jelinkova
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Tomas Urban
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
- First Department of Internal Medicine—Cardioangiology, Faculty of Medicine, St. Anne’s University Hospital, Masaryk University, Brno, Czechia
| | - Daniil Kabanov
- CEITEC, Masaryk University, Brno, Czechia
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
- Department of Biochemistry, Faculty of Science, Masaryk University, Brno, Czechia
| | - Zdenek Starek
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czechia
- First Department of Internal Medicine—Cardioangiology, Faculty of Medicine, St. Anne’s University Hospital, Masaryk University, Brno, Czechia
| | - Marketa Bebarova
- Department of Physiology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Jan Pribyl
- CEITEC, Masaryk University, Brno, Czechia
| | - Vladimir Rotrekl
- Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czechia
| | - Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czechia
- Faculty of Medicine, Masaryk University, Brno, Czechia
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czechia
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12
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Valipour A, Aisanov Z, Avdeev S, Koblizek V, Kocan I, Kopitovic I, Lupkovics G, Man M, Bukovskis M, Tudoric N, Vukoja M, Naumnik W, Yanev N. Recommendations for COPD management in Central and Eastern Europe. Expert Rev Respir Med 2022; 16:221-234. [PMID: 35001780 DOI: 10.1080/17476348.2021.2023498] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION The Global Initiative for Chronic Obstructive Lung Disease (GOLD) strategy report provides guidance on effective management of chronic obstructive pulmonary disease (COPD) according to local healthcare systems. However, COPD is a heterogenous disease and certain aspects, including prevalence, disease-time course and phenotype distribution, can differ between countries. Moreover, features of clinical practice and healthcare systems for COPD patients can vary widely, even in geographically close and economically similar countries. AREAS COVERED Based on an initial workshop of respiratory physicians from eleven countries across Central and Eastern Europe (CEE) in December 2018 and subsequent discussions, this article offers region-specific insights from clinical practice and healthcare systems in CEE. Taking GOLD 2020 recommendations into account, we suggest approaches to adapt these into national clinical guidelines for COPD management in CEE. EXPERT OPINION Several factors should be considered when optimizing management of COPD in CEE compared with other regions, including differences in smoking status, vaccination uptake, prevalence of tuberculosis and nontuberculous mycobacteria, and variations in healthcare systems. We provide guidance and algorithms for pharmacologic and non-pharmacologic management of COPD for the following scenarios: initial and follow-up treatment, treatment of patients with frequent exacerbations, and withdrawal of inhaled corticosteroids where appropriate.
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Affiliation(s)
- Arschang Valipour
- Department of Respiratory and Critical Care Medicine, Karl-Landsteiner-Institute for Lung Research and Pulmonary Oncology, Vienna Health Care Group, Vienna, Austria
| | - Zaurbek Aisanov
- Department of Pulmonology, Pirogov Russian State National Research Medical University, Moscow, Russia
| | - Sergey Avdeev
- Pulmonology Department, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Vladimir Koblizek
- Department of Pneumology, Faculty of Medicine in Hradec Kralove, Charles University Hospital, Hradec Kralove, Czech Republic
| | - Ivan Kocan
- University Hospital Martin, Jessenius Faculty of Medicine, Commenius University, Martin, Slovakia
| | - Ivan Kopitovic
- Department for Respiratory Pathophysiology and Sleep Disordered Breathing, The Institute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, Serbia.,Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
| | - Gergely Lupkovics
- Adult Pulmonary Department, Institute for Pulmonary Diseases, Törökbálint, Hungary
| | - Milena Man
- Pulmonology Department, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Maris Bukovskis
- Department of Internal Diseases, Faculty Medicine, University of Latvia, Riga, Latvia
| | - Neven Tudoric
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Marija Vukoja
- Department for Respiratory Pathophysiology and Sleep Disordered Breathing, The Institute for Pulmonary Diseases of Vojvodina, Sremska Kamenica, Serbia.,Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
| | - Wojciech Naumnik
- First Department of Lung Diseases and Chemotherapy of Respiratory Neoplasms, Medical University of Bialystok, Bialystok, Poland
| | - Nikolay Yanev
- Department of Pulmonary Diseases, Medical University of Sofia, Sofia, Bulgaria
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13
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Cardoso J, Ferreira AJ, Guimarães M, Oliveira AS, Simão P, Sucena M. Treatable Traits in COPD - A Proposed Approach. Int J Chron Obstruct Pulmon Dis 2021; 16:3167-3182. [PMID: 34824530 PMCID: PMC8609199 DOI: 10.2147/copd.s330817] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/03/2021] [Indexed: 12/20/2022] Open
Abstract
The well-recognized individual heterogeneity within COPD patients has led to a growing interest in greater personalization in the approach of these patients. Thus, the treatable traits strategy has been proposed as a further step towards precision medicine in the management of chronic airway disease, both in stable phase and acute exacerbations. The aim of this paper is to perform a critical review on the treatable traits strategy and propose a guide to approach COPD patients in the light of this new concept. An innovative stepwise approach is proposed - a multidisciplinary model based on two distinct phases, with the potential to be implemented in both primary care and hospital settings. The first phase is the initial and focused assessment of a selected subset of treatable traits, which should be addressed in all COPD patients in both settings (primary care and hospital). As some patients may present with advanced disease at diagnosis or may progress despite this initial treatment requiring a more specialized assessment, they should progress to a second phase, in which a broader approach is recommended. Beyond stable COPD, we explore how the treatable traits strategy may be applied to reduce the risk of future exacerbations and improve the management of COPD exacerbations. Since many treatable traits have already been related to exacerbation risk, the strategy proposed here represents an opportunity to be proactive. Although it still lacks prospective validation, we believe this is the way forward for the future of the COPD approach.
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Affiliation(s)
- João Cardoso
- Pulmonology Department, Centro Hospitalar Universitário de Lisboa Central, Lisboa, Portugal
- NOVA Medical School, Nova University Lisbon, Lisboa, Portugal
| | - António Jorge Ferreira
- Pulmonology Department, Centro Hospitalar Universitário de Coimbra, Coimbra, Portugal
- Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Miguel Guimarães
- Pulmonology Department, Centro Hospitalar Vila Nova de Gaia/Espinho EPE, Vila Nova de Gaia, Portugal
| | - Ana Sofia Oliveira
- Pulmonology Department, Centro Hospitalar Universitário de Lisboa Norte EPE, Lisboa, Portugal
| | - Paula Simão
- Pulmonology Department, Unidade Local de Saúde de Matosinhos EPE, Matosinhos, Portugal
| | - Maria Sucena
- Pulmonology Department, Centro Hospitalar Universitário do Porto EPE, Porto, Portugal
- Lung Function and Ventilation Unit, Centro Hospitalar Universitário do Porto EPE, Porto, Portugal
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14
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Brat K, Svoboda M, Zatloukal J, Plutinsky M, Volakova E, Popelkova P, Novotna B, Dvorak T, Koblizek V. The Relation Between Clinical Phenotypes, GOLD Groups/Stages and Mortality in COPD Patients - A Prospective Multicenter Study. Int J Chron Obstruct Pulmon Dis 2021; 16:1171-1182. [PMID: 33953554 PMCID: PMC8089082 DOI: 10.2147/copd.s297087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 03/22/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction The concept of phenotyping emerged, reflecting specific clinical, pulmonary and extrapulmonary features of each particular chronic obstructive pulmonary disease (COPD) case. Our aim was to analyze prognostic utility of: “Czech“ COPD phenotypes and their most frequent combinations, ”Spanish” phenotypes and Global Initiative for Chronic Obstructive Lung Disease (GOLD) stages + groups in relation to long-term mortality risk. Methods Data were extracted from the Czech Multicenter Research Database (CMRD) of COPD. Kaplan-Meier (KM) estimates (at 60 months from inclusion) were used for mortality assessment. Survival rates were calculated for the six elementary “Czech” phenotypes and their most frequent and relevant combinations, “Spanish” phenotypes, GOLD grades and groups. Statistically significant differences were tested by Log Rank test. An analysis of factors underlying mortality risk (the role of confounders) has been assessed with the use of classification and regression tree (CART) analysis. Basic factors showing significant differences between deceased and living patients were entered into the CART model. This showed six different risk groups, the differences in risk were tested by a Log Rank test. Results The cohort (n=720) was 73.1% men, with a mean age of 66.6 years and mean FEV1 44.4% pred. KM estimates showed bronchiectases/COPD overlap (HR 1.425, p=0.045), frequent exacerbator (HR 1.58, p<0.001), cachexia (HR 2.262, p<0.001) and emphysematous (HR 1.786, p=0.015) phenotypes associated with higher mortality risk. Co-presence of multiple phenotypes in a single patient had additive effect on risk; combination of emphysema, cachexia and frequent exacerbations translated into poorest prognosis (HR 3.075; p<0.001). Of the “Spanish” phenotypes, AE CB and AE non-CB were associated with greater risk of mortality (HR 1.787 and 2.001; both p=0.001). FEV1% pred., cachexia and chronic heart failure in patient history were the major underlying factors determining mortality risk in our cohort. Conclusion Certain phenotypes (“Czech” or “Spanish”) of COPD are associated with higher risk of death. Co-presence of multiple phenotypes (emphysematous plus cachectic plus frequent exacerbator) in a single individual was associated with amplified risk of mortality.
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Affiliation(s)
- Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czech Republic.,Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Michal Svoboda
- Faculty of Medicine, Masaryk University, Brno, Czech Republic.,Institute of Biostatistics and Analyses, Ltd., Brno, Czech Republic
| | - Jaromir Zatloukal
- Pulmonary Department, University Hospital Olomouc, Olomouc, Czech Republic.,Faculty of Medicine, Palacky University, Olomouc, Czech Republic
| | - Marek Plutinsky
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czech Republic.,Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Eva Volakova
- Pulmonary Department, University Hospital Olomouc, Olomouc, Czech Republic.,Faculty of Medicine, Palacky University, Olomouc, Czech Republic
| | - Patrice Popelkova
- Pulmonary Department, University Hospital Ostrava, Ostrava, Czech Republic.,Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - Barbora Novotna
- Pulmonary Department, Bulovka Hospital, Prague, Czech Republic
| | - Tomas Dvorak
- Pulmonary Department, Mlada Boleslav Hospital, Mlada Boleslav, Czech Republic
| | - Vladimir Koblizek
- Pulmonary Department, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic.,Faculty of Medicine in Hradec Kralove, Charles University, Prague, Czech Republic
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15
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Kang J, Lee JS, Lee SW, Lee JB, Oh YM. Dual versus monotherapy with bronchodilators in GOLD group B COPD patients according to baseline FEV 1 level: a patient-level pooled analysis of phase-3 randomized clinical trials. Respir Res 2021; 22:55. [PMID: 33579288 PMCID: PMC7881547 DOI: 10.1186/s12931-021-01648-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 01/31/2021] [Indexed: 11/10/2022] Open
Abstract
Background Which patients should receive dual therapy as initial treatment for chronic obstructive pulmonary disease (COPD) is only loosely defined. We evaluated if a lower forced expiratory volume in 1 s (FEV1) identifies a population more likely to benefit from dual therapy than monotherapy among group B COPD patients in whom Global initiative for Chronic Obstructive Pulmonary Disease (GOLD) recommends monotherapy as initial treatment. Methods This was a patient-level pooled analysis of phase-3 randomized controlled trials involving dual bronchodilators. Study patients were classified into two groups based on the FEV1 of 50% of the predicted value (GOLD I/II versus GOLD III/IV). We evaluated the efficacy of dual versus monotherapy (long-acting beta-2 agonist [LABA] or long-acting muscarinic antagonist [LAMA]) between these two groups in the following outcomes: changes in trough FEV1, the St. George’s Respiratory Questionnaire (SGRQ) score, the proportion of SGRQ responders, time to first exacerbation, and risk of adverse events. Results A total of 14,449 group B patients from 12 studies were divided into GOLD III/IV (n = 8043) or GOLD I/II group (n = 6406). In the GOLD III/IV group, dual therapy was significantly more effective in improving FEV1, reducing SGRQ scores, and achieving a higher proportion of SGRQ responders compared with either LABA or LAMA. Dual therapy also showed a significantly longer time to first exacerbation compared with LABA in the GOLD III/IV group. In contrast, in the GOLD I/II group, the benefits of dual therapy over monotherapy were less consistent. Although dual therapy resulted in significantly higher FEV1 than either LABA or LAMA, it did not show significant differences in the SGRQ score and proportion of SGRQ responders as compared with LABA. The time to first exacerbation was also not significantly different between dual therapy and either LABA or LAMA in the GOLD I/II group. Conclusions Dual therapy demonstrated benefits over monotherapy more consistently in patients with lower FEV1 than those with higher FEV1.
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Affiliation(s)
- Jieun Kang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Ilsan Paik Hospital, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Jae Seung Lee
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Seoul, Republic of Korea
| | - Sei Won Lee
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Seoul, Republic of Korea
| | - Jung Bok Lee
- Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, 88 Olympic-ro 43-gil, Seoul, Republic of Korea.
| | - Yeon-Mok Oh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Seoul, Republic of Korea.
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