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      Insights into Chronic Obstructive Pulmonary Disease as Critical Risk Factor for Cardiovascular Disease

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          Abstract

          In patients with chronic obstructive pulmonary disease (COPD), cardiovascular comorbidities are highly prevalent and associated with considerable morbidity and mortality. This coincidence is increasingly seen in the context of a “cardiopulmonary continuum” rather than being simply attributed to shared risk factors, in particular, cigarette smoking. Both disease entities are centrally linked to systemic inflammation as well as aging, arterial stiffness, and several common biomarkers that led to the development of pulmonary hypertension, left ventricular diastolic dysfunction, atherosclerosis, and reduced physical activity and exercise capacity. For these reasons, COPD should be considered an independent factor of high cardiovascular risk, and efforts should be directed to early identification of cardiovascular disease (CVD) in COPD patients. Assessment of the overall cardiovascular risk is especially important in patients with severe exacerbation episodes, and the same therapeutic target levels for glycosylated hemoglobin, low-density lipoprotein cholesterol (LDL-C), or blood pressure than those recommended by clinical practice guidelines for patients at high cardiovascular risk, should be achieved. In this review, we will discuss the most recent evidence of the role of COPD as a critical cardiovascular risk factor and try to find new insights and potential prevention strategies for this disease.

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          Most cited references 66

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          Prevalence and outcomes of diabetes, hypertension and cardiovascular disease in COPD.

          Chronic obstructive pulmonary disease (COPD) is associated with important chronic comorbid diseases, including cardiovascular disease, diabetes and hypertension. The present study analysed data from 20,296 subjects aged > or =45 yrs at baseline in the Atherosclerosis Risk in Communities Study (ARIC) and the Cardiovascular Health Study (CHS). The sample was stratified based on baseline lung function data, according to modified Global Initiative for Obstructive Lung Disease (GOLD) criteria. Comorbid disease at baseline and death and hospitalisations over a 5-yr follow-up were then searched for. Lung function impairment was found to be associated with more comorbid disease. In logistic regression models adjusting for age, sex, race, smoking, body mass index and education, subjects with GOLD stage 3 or 4 COPD had a higher prevalence of diabetes (odds ratio (OR) 1.5, 95% confidence interval (CI) 1.1-1.9), hypertension (OR 1.6, 95% CI 1.3-1.9) and cardiovascular disease (OR 2.4, 95% CI 1.9-3.0). Comorbid disease was associated with a higher risk of hospitalisation and mortality that was worse in people with impaired lung function. Lung function impairment is associated with a higher risk of comorbid disease, which contributes to a higher risk of adverse outcomes of mortality and hospitalisations.
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            The intersection between aging and cardiovascular disease.

            The average lifespan of humans is increasing, and with it the percentage of people entering the 65 and older age group is growing rapidly and will continue to do so in the next 20 years. Within this age group, cardiovascular disease will remain the leading cause of death, and the cost associated with treatment will continue to increase. Aging is an inevitable part of life and unfortunately poses the largest risk factor for cardiovascular disease. Although numerous studies in the cardiovascular field have considered both young and aged humans, there are still many unanswered questions as to how the genetic pathways that regulate aging in model organisms influence cardiovascular aging. Likewise, in the molecular biology of aging field, few studies fully assess the role of these aging pathways in cardiovascular health. Fortunately, this gap is beginning to close, and these two fields are merging together. We provide an overview of some of the key genes involved in regulating lifespan and health span, including sirtuins, AMP-activated protein kinase, mammalian target of rapamycin, and insulin-like growth factor 1 and their roles regulating cardiovascular health. We then discuss a series of review articles that will appear in succession and provide a more comprehensive analysis of studies carried out linking genes of aging and cardiovascular health, and perspectives of future directions of these two intimately linked fields.
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              COPD as a disease of accelerated lung aging.

              There is increasing evidence for a close relationship between aging and chronic inflammatory diseases. COPD is a chronic inflammatory disease of the lungs, which progresses very slowly and the majority of patients are therefore elderly. We here review the evidence that accelerating aging of lung in response to oxidative stress is involved in the pathogenesis and progression of COPD, particularly emphysema. Aging is defined as the progressive decline of homeostasis that occurs after the reproductive phase of life is complete, leading to an increasing risk of disease or death. This results from a failure of organs to repair DNA damage by oxidative stress (nonprogrammed aging) and from telomere shortening as a result of repeated cell division (programmed aging). During aging, pulmonary function progressively deteriorates and pulmonary inflammation increases, accompanied by structural changes, which are described as senile emphysema. Environmental gases, such as cigarette smoke or other pollutants, may accelerate the aging of lung or worsen aging-related events in lung by defective resolution of inflammation, for example, by reducing antiaging molecules, such as histone deacetylases and sirtuins, and this consequently induces accelerated progression of COPD. Recent studies of the signal transduction mechanisms, such as protein acetylation pathways involved in aging, have identified novel antiaging molecules that may provide a new therapeutic approach to COPD.
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                Author and article information

                Journal
                Int J Chron Obstruct Pulmon Dis
                Int J Chron Obstruct Pulmon Dis
                COPD
                copd
                International Journal of Chronic Obstructive Pulmonary Disease
                Dove
                1176-9106
                1178-2005
                14 April 2020
                2020
                : 15
                : 755-764
                Affiliations
                [1 ]Multimorbidity Patient Unit, Service of Internal Medicine, Hospital Universitari Mútua de Terrassa , Terrassa, Barcelona, Spain
                [2 ]Service of Internal Medicine, Hospital de Mataró-CSDM , Barcelona, Mataró, Spain
                [3 ]Service of Internal Medicine, Hospital Royo Villanova , Zaragoza, Spain
                [4 ]Service of Internal Medicine, Hospital General Universitario Gregorio Marañón , Madrid, Spain
                [5 ]Service of Internal Medicine, Hospital General Universitario de Elche , Alicante, Elche, Spain
                [6 ]Service of Internal Medicine, Hospital Quironsalud València , Valencia, Spain
                Author notes
                Correspondence: Pere Almagro Unit of Complex Chronic Patients, Service of Internal Medicine, Hospital Universitari Mútua de Terrassa , Plaça del Doctor Robert 5, Terrassa, BarcelonaE-08221 Email 19908pam@comb.cat
                Article
                238214
                10.2147/COPD.S238214
                7166051
                © 2020 Almagro et al.

                This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License ( http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms ( https://www.dovepress.com/terms.php).

                Page count
                References: 86, Pages: 10
                Funding
                This work was supported by a grant from Chiesi.
                Categories
                Review

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