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COPD
Book chapter

COPD

Sujata K. Bhatia
Biomaterials for Clinical Applications
20 Aug 2010

Abstract

Alveolar Wall Chronic Bronchitis Clara Cell Lung Tissue Pulmonary Rehabilitation
Chronic obstructive pulmonary disease (COPDCOPD) is the fourth leading cause of death worldwide. In 2004, COPD was responsible for 3.02 million deaths or 5.1% of all deaths globally (World Health OrganizationWorld Health Organization 2008). COPD may account for more than 10% of lost disability-adjusted life years on a worldwide basis (Speizer et al. 2006). The global prevalence of COPD is significant: at any given time, 63.6 million individuals worldwide suffer from COPD. Of these COPD sufferers, 26.6 million experience moderate to severe disability as a result of the disease. This makes COPD the tenth most frequent cause of disability in the world (World Health Organization 2008). COPD is mainly a disease of older adults: more than 95% of all COPD-related deaths occur in people older than age 55 (Beers et al. 2006). Much of COPD can be attributed to cigarette smoking, and there is no question that smoking cessation can prevent further decline in pulmonary function. Yet air pollution is also an important trigger for COPD, particularly in developing countries. Both smoking-related COPD and pollution-related COPD are irreversible, and pulmonary function that is already lost cannot be regained. The disease is progressive; patients experience shortness of breath and exercise limitations which gradually and inevitably worsen over time, stressing the cardiopulmonary system. Patients with COPD typically die of respiratory failure, cardiovascular complications, or co-existing cancer. Importantly, COPD is an independent risk factor for cardiovascular disease (Maclay et al. 2007). In fact, COPD often develops together with one or more comorbid conditions and almost never occurs alone (Luppi et al. 2008). Currently available treatments for COPD are primarily symptomatic therapies, including pulmonary rehabilitation; bronchodilators to improve airflow; corticosteroids to reduce inflammation; and supplemental oxygen. These interventions cannot stop the eventual worsening of COPD. However, emerging biomaterials for lung regenerationlung regeneration can potentially replace lung tissue that has been destroyed by COPD, ultimately reducing morbidity and mortality from this relentless disease.

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UN Sustainable Development Goals (SDGs)

This publication has contributed to the advancement of the following goals:

#3 Good Health and Well-Being

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Web of Science research areas
Materials Science, Biomaterials
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