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Chronic Obstructive Pulmonary Disease (COPD) is a lung disease that usually refers to chronic bronchitis and emphysema. Patients have difficulty breathing, and over time, the symptoms get worse. The main cause of COPD is smoking, but environmental toxins like pollution, chemical fumes, or exposure to workplace dust can also trigger the disease.
Written by Karen Selby, RN | Edited By Walter Pacheco | Medically Reviewed By Dr. Andrea Wolf
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Selby, K. (2024, February 2). Chronic Obstructive Pulmonary Disease (COPD). Asbestos.com. Retrieved May 14, 2024, from https://www.asbestos.com/asbestos/copd/
Selby, Karen. "Chronic Obstructive Pulmonary Disease (COPD)." Asbestos.com, 2 Feb 2024, https://www.asbestos.com/asbestos/copd/.
Selby, Karen. "Chronic Obstructive Pulmonary Disease (COPD)." Asbestos.com. Last modified February 2, 2024. https://www.asbestos.com/asbestos/copd/.
People who have asbestosis, a lung disease caused by asbestos, may develop COPD as a complication. Asbestos is a cause of pleural mesothelioma, a cancer that affects the lining of the lungs. It is not uncommon for mesothelioma patients to also have COPD.
According to the U.S. Department of Health and Human Services, about 12 million Americans are diagnosed with COPD each year. An additional 12 million remain undiagnosed. This disease is the 4th leading cause of death in the U.S.
Generally, the disease is diagnosed in people older than 40. Studies show that patients can expect to live 12-18 years after a COPD diagnosis, depending on the severity of the disease.
Typically, COPD develops slowly, and symptoms such as cough, increased mucus production, difficulty sleeping, shortness of breath, tightness in the chest and wheezing gradually worsen as the illness progresses. COPD affects the lungs’ elasticity, which makes it difficult for a patient to exhale properly.
Complications include high blood pressure, heart attack and a higher risk of respiratory infections – including pneumonia, which can cause severe problems for COPD sufferers.
COPD can be caused by the inhalation of foreign fumes or substances. Often, these irritants are inhaled at the workplace. Asbestos materials were widely used at many industrial job sites. Workers who inhale chemicals, dust and fumes are at risk of developing COPD. Lungs that are weakened by COPD also may be much more susceptible to additional lung damage caused by asbestos.
Various scientific studies have reported a statistically significant incidence of COPD among those exposed to toxic materials such as asbestos and silica. An association between asbestos and COPD exists, but a causal relationship hasn’t been clearly established.
A 2020 study published in Environmental Research and Public Health reported a marginal association between COPD and asbestos exposure among insulators. Researchers stated asbestos may cause airflow limitation in the presence of other substances, vapors, gases, and dust. The study also found that chest infections were significantly associated with asbestos exposure.
A Swedish study of 316,729 construction workers found the mortality rate from COPD was more than two and a half times higher in participants who had been exposed to airborne toxins, including asbestos, than in patients who had not been exposed to toxic dust on the job. Exposure to inorganic dust even affected participants who had never smoked and were therefore at a considerably low risk of developing COPD.
Another study published in the Environmental Health journal in 2011 found that COPD caused by occupational exposure to dust or fumes caused about 375,000 deaths and 3,804,000 years of healthy life lost globally in one year.
When someone first gets the disease, there may be few symptoms. Because COPD is a progressive disease, meaning it gets worse over time, symptoms typically worsen the longer someone has the disease.
Some symptoms of COPD include:
As the disease progresses, the air sacs in the lungs will expand less, and there may be more fluid and mucus in the lungs. This makes it more and more difficult to breathe and get enough oxygen.
Severe symptoms of COPD that require emergency treatment include:
To diagnose COPD, doctors look at the symptoms, family history, medical history, and the results of special tests to measure lung health and function. The main test used to diagnose COPD is called spirometry. Spirometry uses a machine called a spirometer to measure the amount of air the patient can blow out and how fast it is blown out. The test is painless and non-invasive, and the patient blows into a tube connected to the spirometer. The doctor may also take another reading after giving the patient some medicine to help open the airways in the lungs to see how well the medicine is working.
Using this test, a doctor can even detect COPD before symptoms show up. It also can help doctors rule out other causes of symptoms such as heart failure or asthma.
Image tests are also useful for diagnosing COPD. Using chest X-rays or CT scans, doctors can check on the amount of damage in the lungs and can also rule out heart failure or other conditions.
Low blood oxygen is another sign of COPD. Doctors order an arterial blood gas test to measure the amount of oxygen in the blood. If it is too low, the patient may need oxygen therapy.
Doctors will stage COPD based on the severity of the damage in the lungs. This helps them decide on an appropriate treatment plan.
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Unfortunately, there is not yet a cure for COPD. However, there are a number of treatments that can improve a patient’s quality of life and slow down lung damage.
Adjustments can be made to a patient’s home environment to make it easier to breathe. Patients should avoid cold or smoke-polluted air, and smokers are strongly urged to quit. Those with COPD may also benefit from joining a rehabilitation program or support group.
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