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Dye JA, Nguyen HH, Stewart EJ, Schladweiler MCJ, Miller CN. Sex Differences in Impacts of Early Gestational and Peri-Adolescent Ozone Exposure on Lung Development in Rats: Implications for Later Life Disease in Humans. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1636-1663. [PMID: 39182948 DOI: 10.1016/j.ajpath.2024.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/05/2024] [Accepted: 05/17/2024] [Indexed: 08/27/2024]
Abstract
Air pollution exposure during pregnancy may affect fetal growth. Fetal growth restriction (FGR) is associated with reduced lung function in children that can persist into adulthood. Using an established model of asymmetrical FGR in Long-Evans rats, this study investigated sex differences in effects of early life ozone exposure on lung development and maturation. Adverse health effects for i) gestational exposure (with impacts on primary alveolarization), ii) peri-adolescent exposure (with impacts on secondary alveolarization), and iii) cumulative exposure across both periods were evaluated. Notably, female offspring were most affected by gestational ozone exposure, likely because of impaired angiogenesis and corresponding decreases in primary alveolarization. Females had diminished lung capacity, fewer mature alveoli, and medial hypertrophy of small and large pulmonary arteries. Males, especially FGR-prone offspring, were more affected by peri-adolescent ozone exposure. Males had increased ductal areas, likely due to disrupted secondary alveolarization. Altered lung development may increase risk of developing diseases, such as pulmonary arterial hypertension or chronic obstructive pulmonary disease. Pulmonary arterial hypertension disproportionately affects women. In the United States, chronic obstructive pulmonary disease prevalence is increasing, especially in women; and prevalence for both men and women is highest in urbanized areas. This investigation underlines the importance of evaluating results separately by sex, and provides biologic plausibility for later consequences of early-life exposure to ozone, a ubiquitous urban air pollutant.
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Affiliation(s)
- Janice A Dye
- Cardiopulmonary and Immunotoxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, US Environmental Protection Agency, Research Triangle Park, North Carolina.
| | - Helen H Nguyen
- Oak Ridge Institute for Science and Education, Research Triangle Park, North Carolina
| | - Erica J Stewart
- Oak Ridge Institute for Science and Education, Research Triangle Park, North Carolina
| | - Mette C J Schladweiler
- Cardiopulmonary and Immunotoxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, US Environmental Protection Agency, Research Triangle Park, North Carolina
| | - Colette N Miller
- Cardiopulmonary and Immunotoxicology Branch, Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, US Environmental Protection Agency, Research Triangle Park, North Carolina
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Jehloh L, Songwathana P, Kitrungrote L, Bourbonnais A. Perspectives of family caregivers and nurses on hospital discharge transitional care for Muslim older adults living with COPD: a qualitative study. BMC Nurs 2024; 23:273. [PMID: 38659051 PMCID: PMC11044287 DOI: 10.1186/s12912-024-01943-8] [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: 12/14/2023] [Accepted: 04/15/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND The increased number of emergency department visits among older adults living with chronic obstructive pulmonary disease reflects the challenges of hospital discharge transition, especially in those from a cultural minority. The barriers and facilitators of this discharge from the perspective of formal and informal care providers, such as nurses and family caregivers, are important to identify to provide effective symptom management and quality of care. The purpose of this study was to describe the barriers and facilitators in caring for Muslim older adults with chronic obstructive pulmonary disease (COPD) during hospital discharge transitional care. METHODS A descriptive qualitative study was conducted in a hospital of Thailand where Muslim people are a cultural minority. Thirteen family caregivers of Muslim older adults living with COPD and seven nurses were purposively recruited and participated in semi-structured interviews and focus group discussions. Content analysis was used to analyze the data. RESULTS Five barriers and three facilitating factors of transitional care for Muslim older adults living with COPD were outlined. Barriers included: (1) lack of knowledge about the causes and management of dyspnea, (2) inadequate discharge preparation, (3) language barrier, (4) discontinuity of care, and (5) COVID-19 epidemic. Facilitators included: (1) the ability to understand Malayu language, (2) the presence of healthcare professionals of the same gender, and (3) the presence of Muslim healthcare providers. CONCLUSION Family caregivers require more supportive care to meet the care needs of Muslim older adults living with COPD. Alternative nurse-based transitional care programs for these older adult caregivers should be developed.
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Affiliation(s)
- Latifah Jehloh
- Faculty of Nursing, Prince of Narathiwas University, Muang, Narathiwat, Thailand
| | - Praneed Songwathana
- Faculty of Nursing, Prince of Songkla University, Hatyai, Songkhla, Thailand.
| | - Luppana Kitrungrote
- Faculty of Nursing, Prince of Songkla University, Hatyai, Songkhla, Thailand
| | - Anne Bourbonnais
- Faculty of Nursing, Université de Montréal, Montréal, Québec, Canada
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3
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Yang L, Gao Z, Cao X, Wang C, Wang H, Dai J, Liu Y, Qin Y, Dai M, Zhang B, Zhao K, Zhao Z. Visualizing pursed lips breathing of patients with chronic obstructive pulmonary disease through evaluation of global and regional ventilation using electrical impedance tomography. Physiol Meas 2024; 45:045005. [PMID: 38479002 DOI: 10.1088/1361-6579/ad33a1] [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: 10/29/2023] [Accepted: 03/13/2024] [Indexed: 04/17/2024]
Abstract
Objective. This study aims to explore the possibility of using electrical impedance tomography (EIT) to assess pursed lips breathing (PLB) performance of patients with chronic obstructive pulmonary disease (COPD).Methods. 32 patients with COPD were assigned equally to either the conventional group or the EIT guided group. All patients were taught to perform PLB by a physiotherapist without EIT in the conventional group or with EIT in the EIT guided group for 10 min. The ventilation of all patients in the final test were continuously monitored using EIT and the PLB performances were rated by another physiotherapist before and after reviewing EIT. The global and regional ventilation between two groups as well as between quite breathing (QB) and PLB were compared and rating scores with and without EIT were also compared.Results.For global ventilation, the inspiratory depth and the ratio of expiratory-to-inspiratory time during PLB was significantly larger than those during QB for both group (P< 0.001). The inspiratory depth and the ratio of expiratory-to-inspiratory time during PLB in the EIT guided group were higher compared to those in the conventional group (P< 0.001), as well as expiratory flow expiratory uniformity and respiratory stability were better (P< 0.001). For regional ventilation, center of ventilation significantly decreased during PLB (P< 0.05). The expiratory time constant during PLB in the EIT guided group was greater than that in the conventional group (P< 0.001). Additionally, Bland-Altman plots analysis suggested a high concordance between subjective rating and rating with the help of EIT, but the score rated after EIT observation significantly lower than that rated subjectively in both groups (score drop of -2.68 ± 1.1 in the conventional group and -1.19 ± 0.72 in the EIT guided group,P< 0.01).Conclusion.EIT could capture the details of PLB maneuver, which might be a potential tool to quantitatively evaluate PLB performance and thus assist physiotherapists to teach PLB maneuver to patients.
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Affiliation(s)
- Lin Yang
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Zhijun Gao
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Xinsheng Cao
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Chunchen Wang
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Hang Wang
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Jing Dai
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Yang Liu
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Yilong Qin
- Department of Aerospace Medicine, Air Force Medical University, Xi'an, People's Republic of China
| | - Meng Dai
- Department of Biomedical Engineering, Air Force Medical University, Xi'an, People's Republic of China
| | - Binghua Zhang
- Department of Pulmonary and Critical Care Medicine, 986th Hospital of Air Force, Air Force Medical University, Xi'an, People's Republic of China
| | - Ke Zhao
- Department of Pulmonary and Critical Care Medicine, 986th Hospital of Air Force, Air Force Medical University, Xi'an, People's Republic of China
| | - Zhanqi Zhao
- School of Biomedical Engineering, Guangzhou Medical University, Guangzhou, People's Republic of China
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Beijing, People's Republic of China
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4
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Suryadevara R, Gregory A, Lu R, Xu Z, Masoomi A, Lutz SM, Berman S, Yun JH, Saferali A, Ryu MH, Moll M, Sin DD, Hersh CP, Silverman EK, Dy J, Pratte KA, Bowler RP, Castaldi PJ, Boueiz A. Blood-based Transcriptomic and Proteomic Biomarkers of Emphysema. Am J Respir Crit Care Med 2024; 209:273-287. [PMID: 37917913 PMCID: PMC10840768 DOI: 10.1164/rccm.202301-0067oc] [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: 01/12/2023] [Accepted: 11/02/2023] [Indexed: 11/04/2023] Open
Abstract
Rationale: Emphysema is a chronic obstructive pulmonary disease phenotype with important prognostic implications. Identifying blood-based biomarkers of emphysema will facilitate early diagnosis and development of targeted therapies. Objectives: To discover blood omics biomarkers for chest computed tomography-quantified emphysema and develop predictive biomarker panels. Methods: Emphysema blood biomarker discovery was performed using differential gene expression, alternative splicing, and protein association analyses in a training sample of 2,370 COPDGene participants with available blood RNA sequencing, plasma proteomics, and clinical data. Internal validation was conducted in a COPDGene testing sample (n = 1,016), and external validation was done in the ECLIPSE study (n = 526). Because low body mass index (BMI) and emphysema often co-occur, we performed a mediation analysis to quantify the effect of BMI on gene and protein associations with emphysema. Elastic net models with bootstrapping were also developed in the training sample sequentially using clinical, blood cell proportions, RNA-sequencing, and proteomic biomarkers to predict quantitative emphysema. Model accuracy was assessed by the area under the receiver operating characteristic curves for subjects stratified into tertiles of emphysema severity. Measurements and Main Results: Totals of 3,829 genes, 942 isoforms, 260 exons, and 714 proteins were significantly associated with emphysema (false discovery rate, 5%) and yielded 11 biological pathways. Seventy-four percent of these genes and 62% of these proteins showed mediation by BMI. Our prediction models demonstrated reasonable predictive performance in both COPDGene and ECLIPSE. The highest-performing model used clinical, blood cell, and protein data (area under the receiver operating characteristic curve in COPDGene testing, 0.90; 95% confidence interval, 0.85-0.90). Conclusions: Blood transcriptome and proteome-wide analyses revealed key biological pathways of emphysema and enhanced the prediction of emphysema.
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Affiliation(s)
| | | | - Robin Lu
- Channing Division of Network Medicine
| | | | - Aria Masoomi
- Department of Electrical and Computer Engineering, Northeastern University, Boston, Massachusetts
| | - Sharon M. Lutz
- Department of Population Medicine, Harvard Pilgrim Health Care Institute, Boston, Massachusetts
| | | | - Jeong H. Yun
- Channing Division of Network Medicine
- Division of Pulmonary and Critical Care Medicine, and
| | | | | | - Matthew Moll
- Channing Division of Network Medicine
- Division of Pulmonary and Critical Care Medicine, and
- Pulmonary, Critical Care, Allergy, and Sleep Medicine Section, Veterans Affairs Boston Healthcare System, West Roxbury, Massachusetts
| | - Don D. Sin
- Centre for Heart Lung Innovation, St. Paul’s Hospital, Vancouver, British Columbia, Canada
- Respiratory Division, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; and
| | - Craig P. Hersh
- Channing Division of Network Medicine
- Division of Pulmonary and Critical Care Medicine, and
| | - Edwin K. Silverman
- Channing Division of Network Medicine
- Division of Pulmonary and Critical Care Medicine, and
| | - Jennifer Dy
- Department of Electrical and Computer Engineering, Northeastern University, Boston, Massachusetts
| | | | - Russell P. Bowler
- Division of Pulmonary, Critical Care and Sleep Medicine, National Jewish Health, Denver, Colorado
| | - Peter J. Castaldi
- Channing Division of Network Medicine
- Division of General Medicine and Primary Care, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Adel Boueiz
- Channing Division of Network Medicine
- Division of Pulmonary and Critical Care Medicine, and
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5
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Backman H, Sawalha S, Nilsson U, Hedman L, Stridsman C, Vanfleteren LEGW, Nwaru BI, Stenfors N, Rönmark E, Lindberg A. All-cause and cause-specific mortality by spirometric pattern and sex - a population-based cohort study. Ther Adv Respir Dis 2024; 18:17534666241232768. [PMID: 38465828 DOI: 10.1177/17534666241232768] [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] [Indexed: 03/12/2024] Open
Abstract
BACKGROUND Chronic airway obstruction (CAO) and restrictive spirometry pattern (RSP) are associated with mortality, but sex-specific patterns of all-cause and specific causes of death have hardly been evaluated. OBJECTIVES To study the possible sex-dependent differences of all-cause mortality and patterns of cause-specific mortality among men and women with CAO and RSP, respectively, to that of normal lung function (NLF). DESIGN Population-based prospective cohort study. METHODS Individuals with CAO [FEV1/vital capacity (VC) < 0.70], RSP [FEV1/VC ⩾ 0.70 and forced vital capacity (FVC) < 80% predicted] and NLF (FEV1/VC ⩾ 0.70 and FVC ⩾ 80% predicted) were identified within the Obstructive Lung Disease in Northern Sweden (OLIN) studies in 2002-2004. Mortality data were collected through April 2016, totally covering 19,000 patient-years. Cox regression and Fine-Gray regression accounting for competing risks were utilized to estimate hazard ratios (HRs) with 95% confidence intervals (CIs) adjusted for age, body mass index, sex, smoking habits and pack-years. RESULTS The adjusted hazard for all-cause mortality was higher in CAO and RSP than in NLF (HR, 95% CI; 1.69, 1.31-2.02 and 1.24, 1.06-1.71), and the higher hazards were driven by males. CAO had a higher hazard of respiratory and cardiovascular death than NLF (2.68, 1.05-6.82 and 1.40, 1.04-1.90). The hazard of respiratory death was significant in women (3.41, 1.05-11.07) while the hazard of cardiovascular death was significant in men (1.49, 1.01-2.22). In RSP, the higher hazard for respiratory death remained after adjustment (2.68, 1.05-6.82) but not for cardiovascular death (1.11, 0.74-1.66), with a similar pattern in both sexes. CONCLUSION The higher hazard for all-cause mortality in CAO and RSP than in NLF was male driven. CAO was associated with respiratory death in women and cardiovascular death in men, while RSP is associated with respiratory death, similarly in both sexes.
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Affiliation(s)
- Helena Backman
- Section of Sustainable Health/The OLIN Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Sami Sawalha
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Ulf Nilsson
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Linnea Hedman
- Section of Sustainable Health/The OLIN Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Caroline Stridsman
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Lowie E G W Vanfleteren
- COPD Center, Sahlgrenska University Hospital, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Bright I Nwaru
- Krefting Research Center, Institution of Medicine, University of Gothenburg, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Nikolai Stenfors
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Eva Rönmark
- Section of Sustainable Health/The OLIN Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Anne Lindberg
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
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6
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Gémes N, Balog JÁ, Neuperger P, Schlegl E, Barta I, Fillinger J, Antus B, Zvara Á, Hegedűs Z, Czimmerer Z, Manczinger M, Balogh GM, Tóvári J, Puskás LG, Szebeni GJ. Single-cell immunophenotyping revealed the association of CD4+ central and CD4+ effector memory T cells linking exacerbating chronic obstructive pulmonary disease and NSCLC. Front Immunol 2023; 14:1297577. [PMID: 38187374 PMCID: PMC10770259 DOI: 10.3389/fimmu.2023.1297577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 11/27/2023] [Indexed: 01/09/2024] Open
Abstract
Introduction Tobacco smoking generates airway inflammation in chronic obstructive pulmonary disease (COPD), and its involvement in the development of lung cancer is still among the leading causes of early death. Therefore, we aimed to have a better understanding of the disbalance in immunoregulation in chronic inflammatory conditions in smoker subjects with stable COPD (stCOPD), exacerbating COPD (exCOPD), or non-small cell lung cancer (NSCLC). Methods Smoker controls without chronic illness were recruited as controls. Through extensive mapping of single cells, surface receptor quantification was achieved by single-cell mass cytometry (CyTOF) with 29 antibodies. The CyTOF characterized 14 main immune subsets such as CD4+, CD8+, CD4+/CD8+, CD4-/CD8-, and γ/δ T cells and other subsets such as CD4+ or CD8+ NKT cells, NK cells, B cells, plasmablasts, monocytes, CD11cdim, mDCs, and pDCs. The CD4+ central memory (CM) T cells (CD4+/CD45RA-/CD45RO+/CD197+) and CD4+ effector memory (EM) T cells (CD4+/CD45RA-/CD45RO+/CD197-) were FACS-sorted for RNA-Seq analysis. Plasma samples were assayed by Luminex MAGPIX® for the quantitative measurement of 17 soluble immuno-oncology mediators (BTLA, CD28, CD80, CD27, CD40, CD86, CTLA-4, GITR, GITRL, HVEM, ICOS, LAG-3, PD-1, PD-L1, PD-L2, TIM-3, TLR-2) in the four studied groups. Results Our focus was on T-cell-dependent differences in COPD and NSCLC, where peripheral CD4+ central memory and CD4+ effector memory cells showed a significant reduction in exCOPD and CD4+ CM showed elevation in NSCLC. The transcriptome analysis delineated a perfect correlation of differentially expressed genes between exacerbating COPD and NSCLC-derived peripheral CD4+ CM or CD4+ EM cells. The measurement of 17 immuno-oncology soluble mediators revealed a disease-associated phenotype in the peripheral blood of stCOPD, exCOPD, and NSCLC patients. Discussion The applied single-cell mass cytometry, the whole transcriptome profiling of peripheral CD4+ memory cells, and the quantification of 17 plasma mediators provided complex data that may contribute to the understanding of the disbalance in immune homeostasis generated or sustained by tobacco smoking in COPD and NSCLC.
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Affiliation(s)
- Nikolett Gémes
- Laboratory of Functional Genomics, HUN-REN Biological Research Centre, Szeged, Hungary
- PhD School in Biology, University of Szeged, Szeged, Hungary
| | - József Á. Balog
- Laboratory of Functional Genomics, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Patrícia Neuperger
- Laboratory of Functional Genomics, HUN-REN Biological Research Centre, Szeged, Hungary
- PhD School in Biology, University of Szeged, Szeged, Hungary
| | | | - Imre Barta
- National Korányi Institute of Pulmonology, Budapest, Hungary
| | - János Fillinger
- National Korányi Institute of Pulmonology, Budapest, Hungary
| | - Balázs Antus
- National Korányi Institute of Pulmonology, Budapest, Hungary
| | - Ágnes Zvara
- Laboratory of Functional Genomics, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Zoltán Hegedűs
- Laboratory of Bioinformatics, HUN-REN Biological Research Centre, Szeged, Hungary
- Department of Biochemistry and Medical Chemistry, Medical School, University of Pécs, Pécs, Hungary
| | - Zsolt Czimmerer
- Macrophage Polarization Group, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Máté Manczinger
- Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Centre, Szeged, Hungary
- Department of Dermatology and Allergology, University of Szeged, Szeged, Hungary
| | - Gergő Mihály Balogh
- Synthetic and Systems Biology Unit, Institute of Biochemistry, HUN-REN Biological Research Centre, Szeged, Hungary
- Department of Dermatology and Allergology, University of Szeged, Szeged, Hungary
| | | | - László G. Puskás
- Laboratory of Functional Genomics, HUN-REN Biological Research Centre, Szeged, Hungary
- Avicor Ltd., Szeged, Hungary
- Avidin Ltd., Szeged, Hungary
| | - Gábor J. Szebeni
- Laboratory of Functional Genomics, HUN-REN Biological Research Centre, Szeged, Hungary
- Department of Physiology, Anatomy and Neuroscience, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
- CS-Smartlab Devices Ltd., Kozármisleny, Hungary
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7
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Fedeli U, Casotto V, Barbiellini Amidei C, Vianello A, Guarnieri G. COPD-Related Mortality before and after Mass COVID-19 Vaccination in Northern Italy. Vaccines (Basel) 2023; 11:1392. [PMID: 37631960 PMCID: PMC10459975 DOI: 10.3390/vaccines11081392] [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: 07/12/2023] [Revised: 08/08/2023] [Accepted: 08/18/2023] [Indexed: 08/28/2023] Open
Abstract
BACKGROUND/OBJECTIVE Little is known about the impact of the COVID-19 pandemic on mortality from COPD at the population level. The objective was to investigate COPD-related mortality throughout different epidemic waves in Italy before and after the vaccination campaign, which started in late December 2020 and initially targeted the population aged ≥80 years. METHODS Death certificates of residents in Veneto (Northeastern Italy) aged ≥40 years between 2008 and 2021 were analyzed. Age-standardized morality rates were computed for death certificates with any mention of COPD. Generalized estimating equation (GEE) models were fitted to estimate the expected mortality during the pandemic. The results were stratified by age groups of 40-79 and ≥80 years, main comorbidities, and place of death. RESULTS COPD was mentioned in 3478 death certificates in 2020 (+14% compared to the 2018-2019 average) and in 3133 in 2021 (+3%). Age-standardized mortality rates increased in all age and sex groups in 2020; in 2021, mortality returned to pre-pandemic levels among the elderly but not in the population aged 40-79 years (+6%). GEE models confirmed this differential trend by age. COPD-related mortality peaks were observed, especially in the first pandemic waves, with COVID-19 identified as the underlying cause of death in a relevant proportion (up to 35% in November 2020-January 2021). Mortality with comorbid diabetes and hypertensive diseases slightly increased during the pandemic. CONCLUSION COPD-related mortality increased at the beginning of the pandemic, due to deaths from COVID-19. The start of the vaccination campaign was associated with an important decline in COPD-related mortality, especially among the elderly, who first benefited from COVID-19 vaccines. The study findings show the role of mass vaccination in reducing COPD-related deaths during the later phases of the pandemic.
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Affiliation(s)
- Ugo Fedeli
- Epidemiological Department, Azienda Zero-Veneto Region, 35131 Padua, Italy; (U.F.); (V.C.); (C.B.A.)
| | - Veronica Casotto
- Epidemiological Department, Azienda Zero-Veneto Region, 35131 Padua, Italy; (U.F.); (V.C.); (C.B.A.)
| | | | - Andrea Vianello
- Department of Cardiac-Thoracic-Vascular Sciences and Public Health, Respiratory Pathophysiology Division, University of Padova, 35126 Padua, Italy;
| | - Gabriella Guarnieri
- Department of Cardiac-Thoracic-Vascular Sciences and Public Health, Respiratory Pathophysiology Division, University of Padova, 35126 Padua, Italy;
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8
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Vanfleteren LEGW, Lindberg A, Zhou C, Nyberg F, Stridsman C. Exacerbation Risk and Mortality in Global Initiative for Chronic Obstructive Lung Disease Group A and B Patients with and without Exacerbation History. Am J Respir Crit Care Med 2023; 208:163-175. [PMID: 37040482 DOI: 10.1164/rccm.202209-1774oc] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 04/10/2023] [Indexed: 04/13/2023] Open
Abstract
Rationale: Risk stratification of patients according to chronic obstructive pulmonary disease severity is clinically important and forms the basis of therapeutic recommendations. No studies have examined the association for Global Initiative for Chronic Obstructive Lung Disease (GOLD) group A and group B patients with (A1 and B1, respectively) and without (A0 and B0, respectively) an exacerbation in the past year with future exacerbations, hospitalizations, and mortality in perspective with the new GOLD ABE classification. Objectives: The aim was to examine the association between GOLD A0, A1, B0, B1, and E patients and future exacerbations, respiratory and cardiovascular hospitalizations, and mortality. Methods: In this nationwide cohort study, we identified patients with a diagnosis of chronic obstructive pulmonary disease, aged ⩾30 years, and registered in the Swedish National Airway Register between January 2017 and August 2020. Patients were stratified in GOLD groups A0, A1, B0, B1, and E and were followed until January 2021 for exacerbations, hospitalizations, and mortality in national registries. Measurements and Main Results: The 45,350 eligible patients included 25% A0, 4% A1, 44% B0, 10% B1, and 17% E. Moderate exacerbations, all-cause and respiratory hospitalizations, and all-cause and respiratory mortality increased by GOLD group A0-A1-B0-B1-E, except for moderate exacerbations, which were higher in A1 than in B0. Group B1 had a substantially higher hazard ratio for future exacerbation (2.56; 95% confidence interval [95% CI] 2.40-2.74), all-cause hospitalization (1.28; 1.21-1.35), and respiratory hospitalization (1.44; 1.27-1.62), but not all-cause (1.04; 0.91-1.18) or respiratory (1.13; 0.79-1.64) mortality than group B0. The exacerbation rate for group B1 was 0.6 events per patient-year versus 0.2 for group B0 (rate ratio, 2.55; 95% CI, 2.36-2.76). Results were similar for group A1 versus group A0. Conclusions: Stratification of GOLD A and B patients with one or no exacerbation in the past year provides valuable information on future risk, which should influence treatment recommendations for preventive strategies.
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Affiliation(s)
- Lowie E G W Vanfleteren
- COPD Center, Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Internal Medicine and Clinical Nutrition and
| | - Anne Lindberg
- Division of Medicine/The OLIN Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden; and
| | - Caddie Zhou
- Center of Registers Västra Götaland, Gothenburg, Sweden
| | - Fredrik Nyberg
- School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Caroline Stridsman
- Division of Medicine/The OLIN Unit, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden; and
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9
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Salai G, Vrazic H, Kovacevic I, Janes LM, Marasovic I, Ranilovic D, Vukoja D, Zelenika Margeta M, Huljev-Sipos I, Lalic K, Spoljaric M, Tekavec-Trkanjec J, Vergles M, Lucijanic M, Luksic I, Ljubicic D. Investigating the role of obstructive pulmonary diseases and eosinophil count at admission on all-cause mortality in SARS-CoV-2 patients : A single center registry-based retrospective cohort study. Wien Klin Wochenschr 2023; 135:235-243. [PMID: 37093279 PMCID: PMC10124688 DOI: 10.1007/s00508-023-02180-w] [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: 08/29/2022] [Accepted: 02/25/2023] [Indexed: 04/25/2023]
Abstract
INTRODUCTION The impact of asthma and chronic obstructive pulmonary disease (COPD) in the setting of severe acute respiratory syndrome coronavirus 2 (SARS-CoV‑2) infection is not clearly defined. Blood eosinophil count is a standard diagnostic test which, according to the previously published literature, might have a potential prognostic role on mortality in patients with SARS-CoV‑2 infection. AIM To investigate the potential prognostic value of peripheral blood eosinophil count on all-cause mortality of patients hospitalized with SARS-CoV‑2 infection, as well as to assess the impact of asthma or COPD premorbidity on all-cause mortality. MATERIAL AND METHODS We conducted a retrospective registry-based cohort study. Survival analysis was performed by employing the Cox proportional hazards regression model at 30 days of follow-up. Prognostic value of eosinophil count on all-cause mortality was assessed using receiver-operating characteristic (ROC) curve analysis. RESULTS A total of 5653 participants were included in the study. Our model did not reveal that pre-existing asthma or COPD is a statistically significant covariate for all-cause mortality but, indicated that higher eosinophil count at admission might have a protective effect (hazard ratio, HR 0.13 (95% confidence interval, CI 0.06-0.27), p = 0.0001). ROC curve analysis indicates cut-off value of 20 cells/mm3 (81% specificity; 30.9% sensitivity). CONCLUSION Our results indicate that eosinophil count at hospital admission might have a potential prognostic role for all-cause mortality at 30 days of follow-up; however this was not demonstrated for pre-existing obstructive lung diseases.
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Affiliation(s)
- Grgur Salai
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | - Hrvoje Vrazic
- Healthcare Provision and Innovation Management, Austrian Social Insurance, Vienna, Austria
- University Hospital Centre Varaždin, University North, Varaždin, Croatia
| | - Ivona Kovacevic
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | | | - Ivan Marasovic
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | - Darjan Ranilovic
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | - Damir Vukoja
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | | | | | - Kristina Lalic
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | - Marko Spoljaric
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | | | - Mirna Vergles
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia
| | - Marko Lucijanic
- Department of Hematology, University Hospital Dubrava, Zagreb, Croatia
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivica Luksic
- Department of Maxillofacial and Oral SurgCroatiaery, University Hospital Dubrava, Dubrava, Croatia
- School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Divo Ljubicic
- Department of Pulmonology, University Hospital Dubrava, Zagreb, Croatia.
- School of Medicine, University of Zagreb, Zagreb, Croatia.
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Abstract
OBJECTIVES Our objective was to study mortality related to different obstructive lung diseases, occupational exposure, and their potential joint effect in a large, randomized population-based cohort. METHODS We divided the participants based on the answers to asthma and chronic obstructive pulmonary disease (COPD) diagnoses and occupational exposure and used a combined effects model and compared the results to no asthma or COPD with no occupational exposure. RESULTS High exposure had a hazards ratio (HR) of 1.34 (1.11-1.62) and asthma and COPD coexistence of 1.58 (1.10-2.27). The combined effects of intermediate exposure and coexistence had an HR of 2.20 (1.18-4.09), high exposure with coexistence of 1.94 (1.10-3.42) for overall mortality, and sub-HR for respiratory-related mortality of 3.21 (1.87-5.50). CONCLUSIONS High occupational exposure increased overall but not respiratory-related mortality hazards, while coexisting asthma and COPD overall and respiratory-related hazards of mortality.
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11
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Gredic M, Sharma V, Hadzic S, Wu CY, Pak O, Kojonazarov B, Duerr J, Mall MA, Guenther A, Schermuly RT, Grimminger F, Seeger W, Kraut S, Sommer N, Weissmann N. iNOS Deletion in Alveolar Epithelium Cannot Reverse the Elastase-Induced Emphysema in Mice. Cells 2022; 12:cells12010125. [PMID: 36611917 PMCID: PMC9818765 DOI: 10.3390/cells12010125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/26/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide. In addition to chronic bronchitis and emphysema, patients often develop at least mild pulmonary hypertension (PH). We previously demonstrated that inhibition of inducible nitric oxide synthase (iNOS) prevents and reverses emphysema and PH in mice. Interestingly, strong iNOS upregulation was found in alveolar epithelial type II cells (AECII) in emphysematous murine lungs, and peroxynitrite, which can be formed from iNOS-derived NO, was shown to induce AECII apoptosis in vitro. However, the specific cell type(s) that drive(s) iNOS-dependent lung regeneration in emphysema/PH has (have) not been identified yet. AIM we tested whether iNOS knockout in AECII affects established elastase-induced emphysema in mice. METHODS four weeks after a single intratracheal instillation of porcine pancreatic elastase for the induction of emphysema and PH, we induced iNOS knockout in AECII in mice, and gave an additional twelve weeks for the potential recovery. RESULTS iNOS knockout in AECII did not reduce elastase-induced functional and structural lung changes such as increased lung compliance, decreased mean linear intercept and increased airspace, decreased right ventricular function, increased right ventricular systolic pressure and increased pulmonary vascular muscularization. In vitro, iNOS inhibition did not reduce apoptosis of AECII following exposure to a noxious stimulus. CONCLUSION taken together, our data demonstrate that iNOS deletion in AECII is not sufficient for the regeneration of emphysematous murine lungs, and suggest that iNOS expression in pulmonary vascular or stromal cells might be critically important in this regard.
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Affiliation(s)
- Marija Gredic
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
- Correspondence: ; Tel.: +49-641-994-2417
| | - Vinita Sharma
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Stefan Hadzic
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Cheng-Yu Wu
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Oleg Pak
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Baktybek Kojonazarov
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig-University, 35392 Giessen, Germany
| | - Julia Duerr
- Department of Translational Pulmonology, University of Heidelberg, 69117 Heidelberg, Germany
- Translational Lung Research Center (TLRC), German Center for Lung Research (DZL), 69120 Heidelberg, Germany
- Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 13353 Berlin, Germany
| | - Marcus A. Mall
- Department of Translational Pulmonology, University of Heidelberg, 69117 Heidelberg, Germany
- Translational Lung Research Center (TLRC), German Center for Lung Research (DZL), 69120 Heidelberg, Germany
- Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 13353 Berlin, Germany
- Berlin Institute of Health at Charité, Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Andreas Guenther
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
- European IPF Registry & Biobank (eurIPFreg), 35392 Giessen, Germany
- Agaplesion Evangelisches Krankenhaus Mittelhessen, 35398 Giessen, Germany
| | - Ralph T. Schermuly
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Friedrich Grimminger
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Werner Seeger
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
- Max Planck Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), 61231 Bad Nauheim, Germany
| | - Simone Kraut
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Natascha Sommer
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
| | - Norbert Weissmann
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, 35392 Giessen, Germany
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12
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Fedeli U, Barbiellini Amidei C, Marcon A, Casotto V, Grippo F, Grande E, Gaisl T, Barco S. Mortality Related to Chronic Obstructive Pulmonary Disease during the COVID-19 Pandemic: An Analysis of Multiple Causes of Death through Different Epidemic Waves in Veneto, Italy. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph191912844. [PMID: 36232144 PMCID: PMC9565127 DOI: 10.3390/ijerph191912844] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 06/12/2023]
Abstract
Mortality related to chronic obstructive pulmonary disease (COPD) during the COVID-19 pandemic is possibly underestimated by sparse available data. The study aimed to assess the impact of the pandemic on COPD-related mortality by means of time series analyses of causes of death data. We analyzed the death certificates of residents in Veneto (Italy) aged ≥40 years from 2008 to 2020. The age-standardized rates were computed for COPD as the underlying cause of death (UCOD) and as any mention in death certificates (multiple cause of death-MCOD). The annual percent change (APC) in the rates was estimated for the pre-pandemic period. Excess COPD-related mortality in 2020 was estimated by means of Seasonal Autoregressive Integrated Moving Average models. Overall, COPD was mentioned in 7.2% (43,780) of all deaths. From 2008 to 2019, the APC for COPD-related mortality was -4.9% (95% CI -5.5%, -4.2%) in men and -3.1% in women (95% CI -3.8%, -2.5%). In 2020 compared to the 2018-2019 average, the number of deaths from COPD (UCOD) declined by 8%, while COPD-related deaths (MCOD) increased by 14% (95% CI 10-18%), with peaks corresponding to the COVID-19 epidemic waves. Time series analyses confirmed that in 2020, COPD-related mortality increased by 16%. Patients with COPD experienced significant excess mortality during the first year of the pandemic. The decline in COPD mortality as the UCOD is explained by COVID-19 acting as a competing cause, highlighting how an MCOD approach is needed.
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Affiliation(s)
- Ugo Fedeli
- Epidemiological Department, Azienda Zero, Veneto Region, 35131 Padova, Italy
| | | | - Alessandro Marcon
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Veronica Casotto
- Epidemiological Department, Azienda Zero, Veneto Region, 35131 Padova, Italy
| | - Francesco Grippo
- Integrated System for Health, Social Assistance and Welfare, Italian National Institute of Statistics, 00184 Roma, Italy
| | - Enrico Grande
- Integrated System for Health, Social Assistance and Welfare, Italian National Institute of Statistics, 00184 Roma, Italy
| | - Thomas Gaisl
- Department of Pulmonology, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Stefano Barco
- Department of Angiology, University Hospital Zurich, 8091 Zurich, Switzerland
- Center for Thrombosis and Hemostasis, Johannes Gutenberg University Mainz, 55131 Mainz, Germany
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13
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Dailah HG. Therapeutic Potential of Small Molecules Targeting Oxidative Stress in the Treatment of Chronic Obstructive Pulmonary Disease (COPD): A Comprehensive Review. Molecules 2022; 27:molecules27175542. [PMID: 36080309 PMCID: PMC9458015 DOI: 10.3390/molecules27175542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/21/2022] [Accepted: 08/25/2022] [Indexed: 12/02/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is an increasing and major global health problem. COPD is also the third leading cause of death worldwide. Oxidative stress (OS) takes place when various reactive species and free radicals swamp the availability of antioxidants. Reactive nitrogen species, reactive oxygen species (ROS), and their counterpart antioxidants are important for host defense and physiological signaling pathways, and the development and progression of inflammation. During the disturbance of their normal steady states, imbalances between antioxidants and oxidants might induce pathological mechanisms that can further result in many non-respiratory and respiratory diseases including COPD. ROS might be either endogenously produced in response to various infectious pathogens including fungi, viruses, or bacteria, or exogenously generated from several inhaled particulate or gaseous agents including some occupational dust, cigarette smoke (CS), and air pollutants. Therefore, targeting systemic and local OS with therapeutic agents such as small molecules that can increase endogenous antioxidants or regulate the redox/antioxidants system can be an effective approach in treating COPD. Various thiol-based antioxidants including fudosteine, erdosteine, carbocysteine, and N-acetyl-L-cysteine have the capacity to increase thiol content in the lungs. Many synthetic molecules including inhibitors/blockers of protein carbonylation and lipid peroxidation, catalytic antioxidants including superoxide dismutase mimetics, and spin trapping agents can effectively modulate CS-induced OS and its resulting cellular alterations. Several clinical and pre-clinical studies have demonstrated that these antioxidants have the capacity to decrease OS and affect the expressions of several pro-inflammatory genes and genes that are involved with redox and glutathione biosynthesis. In this article, we have summarized the role of OS in COPD pathogenesis. Furthermore, we have particularly focused on the therapeutic potential of numerous chemicals, particularly antioxidants in the treatment of COPD.
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Affiliation(s)
- Hamad Ghaleb Dailah
- Research and Scientific Studies Unit, College of Nursing, Jazan University, Jazan 45142, Saudi Arabia
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14
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Cause-specific Death in Chronic Airway Obstruction and Restrictive Spirometric Pattern. Ann Am Thorac Soc 2022; 19:1783-1787. [DOI: 10.1513/annalsats.202203-243rl] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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15
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Santo AH, Fernandes FLA. Chronic Obstructive Pulmonary Disease-Related Mortality in Brazil, 2000-2019: A Multiple-Cause-of-Death Study. COPD 2022; 19:216-225. [PMID: 35416733 DOI: 10.1080/15412555.2022.2061934] [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: 10/18/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) remains a compelling cause of morbidity and mortality; however, it is underestimated and undertreated in Brazil. Using multiple causes of death data from the Information System on Mortality, we evaluated, from 2000 to 2019, national proportional mortality; trends in mortality rates stratified by age, sex, and macro-region; and causes of death and seasonal variation, considering COPD as an underlying and associated cause of death. COPD occurred in 1,132,968 deaths, corresponding to a proportional mortality of 5.0% (5.2% and 4.7% among men and women), 67.6% as the underlying, and 32.4% as an associated cause of death. The standardized mortality rate decreased by 25.8% from 2000 to 2019, and the underlying, associated, male and female, Southeast, South, and Center-West region deaths revealed decreasing standardized mortality trends. The mean age at death increased from 73.2 (±12.5) to 76.0 (±12.0) years of age. Respiratory diseases were the leading underlying causes, totaling 69.8%, with COPD itself reported for 67.6% of deaths, followed by circulatory diseases (15.8%) and neoplasms (6.24%). Respiratory failure, pneumonia, septicemia, and hypertensive diseases were the major associated causes of death. Significant seasonal variations, with the highest proportional COPD mortality during winter, occurred in the southeast, south, and center-west regions. This study discloses the need and value to accurately document epidemiologic trends related to COPD in Brazil, provided its burden on mortality in older age as a significant cause of death, aiming at effective planning of mortality prevention and control.
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Affiliation(s)
- Augusto Hasiak Santo
- Departamento de Epidemiologia, Faculdade de Saúde Pública da Universidade de São Paulo, São Paulo, Brazil
| | - Frederico Leon Arrabal Fernandes
- Disciplina de Pneumologia, Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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Huang WJ, Fan XX, Yang YH, Zeng YM, Ko CY. A review on the Role of Oral Nutritional Supplements in Chronic Obstructive Pulmonary Disease. J Nutr Health Aging 2022; 26:723-731. [PMID: 35842763 DOI: 10.1007/s12603-022-1822-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Due to the high smoking rate in developing countries and the rising aging population in high-income countries, the global prevalence of chronic obstructive pulmonary disease (COPD), estimated to be 11.7%, is increasing and is the third-leading cause of mortality. COPD is likely to be present in elderly individuals with impaired gastro-enteric functions. Gastrointestinal congestion, dyspnea, and anxiety are pathophysiological characteristics of COPD, contributing to poor appetite, reduced dietary intake, and high-energy expenditure. These factors are implicated in the progression of malnutrition in COPD patients. Malnutrition is detrimental to lung functions and is associated with an increased risk of infection, exacerbation and mortality, and a longer duration of hospitalization. Therefore, nutritional support to treat malnutrition in COPD patients is very vital. Oral nutritional supplements (ONS) may hold the key to COPD treatment. To clarify this statement, we review current evidence for ONS in COPD patients to benefit from clinical outcomes.
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Affiliation(s)
- W-J Huang
- Chih-Yuan Ko, The Second Affiliated Hospital of Fujian Medical University, No. 34, Zhongshanbei Rd, Licheng District, Quanzhou, Fujian Province, China, 362000. Tel.: +86 0595-26655200. E-mail address:
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17
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Okui T, Park J. Geographical Differences and Their Associated Factors in Chronic Obstructive Pulmonary Disease Mortality in Japan: An Ecological Study Using Nationwide Data. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182413393. [PMID: 34949002 PMCID: PMC8704528 DOI: 10.3390/ijerph182413393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/15/2021] [Accepted: 12/18/2021] [Indexed: 11/16/2022]
Abstract
Geographical differences in chronic obstructive pulmonary disease (COPD) mortality have not been determined using municipal-specific data in Japan. This study determined the geographical differences in COPD mortality in Japan using municipal-specific data and identified associated factors. Data on COPD mortality from 2013 to 2017 for each municipality were obtained from the Vital Statistics of Japan. We calculated the standardized mortality ratio (SMR) of COPD by an empirical Bayes method for each municipality and located the SMRs on a map of Japan. In addition, an ecological study was conducted to identify factors associated with the SMR using demographic, socioeconomic, and medical characteristics of municipalities by a spatial statistics model. Geographical differences in the SMR were different in men and women, and municipalities with a low SMR tended to be more frequent in women. Spatial regression analysis identified that the total population and taxable income per capita were negatively associated with the SMR in men. In women, population density, the proportion of fatherless households, and the number of clinics per capita were positively associated with the SMR, whereas taxable income per capita was negatively associated with the SMR. There were some differences in regional characteristics associated with COPD mortality by sex.
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Affiliation(s)
- Tasuku Okui
- Medical Information Center, Kyushu University Hospital, Fukuoka 812-8582, Japan
- Correspondence:
| | - Jinsang Park
- Department of Pharmaceutical Sciences, International University of Health and Welfare, Fukuoka 831-8501, Japan;
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