Question: what is copd

Reference:
 COPD What is COPD? Chronic obstructive pulmonary disease, or COPD, is a progressive lung disease in which the airways of the lungs become damaged, making it hard to breathe. You may also have heard COPD called other names, like emphysema or chronic bronchitis. In people who have COPD, the airways that carry air in and out of the lungs are partially blocked, making it difficult to get air in and out. COPD is a major cause of death and illness throughout the world. It kills more than 120,000 Americans each year. That's one death every 4 minutes. How COPD Affects Airways The "airways" are the tubes that carry air in and out of the lungs through the nose and mouth. The airways of the lungs branch out like an upside-down tree. At the end of each branch are many small, balloon-like air sacs. In healthy people, the airways and air sacs are elastic (stretchy). When you breathe in, each air sac fills up with air, like a small balloon, and when you breathe out, the balloon deflates and the air goes out. In people with COPD, the airways and air sacs lose their shape and become floppy. Less air gets in and less air goes out of the airways because - The airways and air sacs lose their elasticity like an old rubber band. - The walls between many of the air sacs are destroyed. - The walls of the airways become thick and inflamed or swollen. - Cells in the airways make more mucus or sputum than usual, which tends to clog the airways. The airways and air sacs lose their elasticity like an old rubber band. The walls between many of the air sacs are destroyed. The walls of the airways become thick and inflamed or swollen. Cells in the airways make more mucus or sputum than usual, which tends to clog the airways. COPD Develops Slowly, Has No Cure When COPD is severe, shortness of breath and other symptoms of COPD can get in the way of even the most basic tasks, such as doing light housework, taking a walk, even washing and dressing. COPD develops slowly, and it may be many years before you notice symptoms like feeling short of breath. Most of the time, COPD is diagnosed in middle-aged or older people. There is no cure for COPD. The damage to your airways and lungs cannot be reversed, but there are things you can do to control the disabling effects of the disease. COPD is not contagious. You cannot catch it from someone else. Causes Smoking Most cases of COPD develop over time, from breathing in fumes and other things that irritate the lungs. Some of the things that put you at risk for COPD include smoking, environmental exposure, and genetic factors. Cigarette smoking is the most common cause of COPD in the United States (either current or former smokers). Pipe, cigar, and other types of tobacco smoking can also cause COPD, especially if the smoke is inhaled. Environmental Exposure COPD can also occur in people who have had long-term exposure to things that can irritate your lungs, like chemical fumes, or dust from the environment or workplace. Heavy or long-term exposure to secondhand smoke or other air pollutants may also contribute to COPD even if you have never smoked or had long-term exposure to harmful pollutants. Secondhand smoke is smoke in the air from other people smoking. Genetic Factors In a small number of people, COPD is caused by a genetic condition known as alpha-1 antitrypsin, or AAT, deficiency. People who have this condition have low levels of alpha-1 antitrypsin (AAT)—a protein made in the liver. Having a low level of the AAT protein can lead to lung damage and COPD if you're exposed to smoke or other lung irritants. If you have this condition and smoke, COPD can worsen very quickly. While very few people know if they have AAT deficiency, it is estimated that about 1 in every 1,600 people to about 1 in every 5,000 people have it. People with AAT deficiency can get COPD even if they have never smoked or had long-term exposure to harmful pollutants. Asthma Although uncommon, some people who have asthma can develop COPD. Asthma is a chronic (long-term) lung disease that inflames and narrows the airways. Treatment usually can reverse the inflammation and narrowing. However, if not, COPD can develop. Preventing Complications If you have COPD, you can take these steps to prevent complications and control the disabling effects of the disease. - Quit smoking. - Avoid exposure to pollutants and lung irritants. - Take precautions against the flu. - Talk to your doctor about the flu and pneumonia vaccines. - See your doctor on a regular basis. - Follow your treatments for COPD exactly as your doctor prescribes. Quit smoking. Avoid exposure to pollutants and lung irritants. Take precautions against the flu. Talk to your doctor about the flu and pneumonia vaccines. See your doctor on a regular basis. Follow your treatments for COPD exactly as your doctor prescribes. Quit Smoking If you smoke, the most important thing you can do to prevent more lung damage is to stop smoking. Quitting can help prevent complications and slow the progress of the disease. It is also important to stay away from people who smoke and places where you know there will be smokers. To help you quit, there are many online resources and several new aids available from your doctor or health care provider. The National Cancer Institute (NCI) has information on smoking cessation. Visit SmokeFree.gov , or check out NCI's Clear Horizons, a quit smoking guide for people 50+. You can also visit The American Lung Association, or call 1-800-QUIT NOW (1-800-784-8669). Avoid Exposure to Pollutants and Lung Irritants Try to stay away from other things that could irritate your lungs, like dust and strong fumes. Stay indoors when the outside air quality is poor. You should also stay away from places where there might be cigarette smoke. Take Precautions Against the Flu The flu (influenza) can cause serious problems for people who have COPD. Do your best to avoid crowds during flu season. In addition to avoiding people with the flu, remembering to wash and sanitize your hands can be one of the best ways to guard against getting sick. Talk to Your Doctor About the Flu (influenza) and Pneumonia Vaccines Talk with your doctor about getting a yearly flu shot and whether and when you should get the pneumonia vaccine. Flu shots can reduce your risk of getting the flu, and the pneumonia vaccine lowers your risk for pneumococcal pneumonia (NU-mo-KOK-al nu-MO-ne-ah) and its complications. Both of these illnesses are major health risks for people who have COPD. See Your Doctor Regularly See your doctor or health care provider regularly even if you are feeling fine. Make a list of your breathing symptoms and think about any activities that you can no longer do because of shortness of breath. Be sure to bring a list of all the medicines you are taking to each office visit. Follow Your Treatments Follow your treatments for COPD exactly as your doctor prescribes. They can help you breathe easier, stay more active, and avoid or manage severe symptoms. Symptoms and Diagnosis Common Symptoms The most common symptoms of COPD are - a cough that does not go away - coughing up lots of sputum (mucus). a cough that does not go away coughing up lots of sputum (mucus). These symptoms often start years before the flow of air in and out of the lungs is reduced. Not everyone who has a cough and sputum goes on to develop COPD. Other common symptoms of COPD include - shortness of breath while doing activities you used to be able to do - wheezing (a whistling sound when you breathe) - tightness in the chest. shortness of breath while doing activities you used to be able to do wheezing (a whistling sound when you breathe) tightness in the chest. Getting a Diagnosis Your doctor will diagnose COPD based on your signs and symptoms, your medical and family histories, and test results. If your doctor thinks you may have COPD, he or she will examine you, listen to your lungs, and ask you questions about your medical history, and what lung irritants you may have been around for long periods of time. The Spirometry Test To confirm a diagnosis of COPD, your doctor will use a breathing test called spirometry. The test is easy and painless and shows how much air you can breathe out and measures how fast you can breathe it out. In a spirometry test, you breathe hard into a large hose connected to a machine called a spirometer. When you breathe out, the spirometer measures how much air your lungs can hold and how fast you can blow air out of your lungs. Spirometry can detect COPD before symptoms develop. Your doctor also might use the test results to find out how severe your COPD is and to help set your treatment goals. The test results also may help find out whether another condition, such as asthma or heart failure, is causing your symptoms. Determining COPD Severity Based on this test, your doctor can determine if you have COPD and how severe it is. There are four levels of severity for COPD: - people at risk for COPD - people with mild COPD - people with moderate COPD - people with severe COPD. people at risk for COPD people with mild COPD people with moderate COPD people with severe COPD. People at risk for developing COPD have a normal breathing test and mild symptoms such as chronic cough and sputum (mucus) production. People with mild COPD have mild breathing limitation. Symptoms may include a chronic cough and sputum (mucus) production. At this stage, you may not be aware that airflow in your lungs is reduced. People with moderate COPD have a breathing test that shows worsening airflow blockages. Symptoms may be worse than with mild COPD and you may experience shortness of breath while working hard, walking fast, or doing brisk activity. At this stage, you would seek medical attention. People with severe COPD have a breathing test that shows severe limitation of the airflow. People with severe COPD will be short of breath after just a little activity. In very severe COPD, complications like respiratory failure or signs of heart failure may develop. At this stage, quality of life is impaired and worsening symptoms may be life-threatening. Other Tests Other tests are used to rule out other causes of the symptoms. - Bronchodilator reversibility testing uses the spirometer and medications called bronchodilators to assess whether breathing problems may be caused by asthma. Bronchodilator reversibility testing uses the spirometer and medications called bronchodilators to assess whether breathing problems may be caused by asthma. - A chest X-ray or a chest CT scan may also be ordered by your doctor. These tests create pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. The pictures can show signs of COPD. They also may show whether another condition, such as heart failure, is causing your symptoms. A chest X-ray or a chest CT scan may also be ordered by your doctor. These tests create pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. The pictures can show signs of COPD. They also may show whether another condition, such as heart failure, is causing your symptoms. - An arterial blood gas test is another test that is used. This blood test shows the oxygen level in the blood to see how severe your COPD is and whether you need oxygen therapy. An arterial blood gas test is another test that is used. This blood test shows the oxygen level in the blood to see how severe your COPD is and whether you need oxygen therapy. Treating COPD Although there is no cure for COPD, treatments and lifestyle changes can help manage symptoms. Quit Smoking Quitting smoking is the most important step you can take to treat COPD. Talk with your doctor about programs and products that can help you quit. Many hospitals, workplaces, and community groups offer classes to help people quit smoking. Ask your family members and friends to support you in your efforts to quit. Also, try to avoid secondhand smoke and places with dust, fumes, or other toxic substances that you may inhale. (Secondhand smoke is smoke in the air from other people smoking.) The National Cancer Institute has information on smoking cessation. Visit SmokeFree.gov and check out Clear Horizons, a quit smoking guide for adults 50+. You can also visit the website of the American Lung Association at www.lung.org, or call 1-800-QUIT NOW (1-800-784-8669). Other Lifestyle Changes If you have COPD, you may have trouble eating enough because of your symptoms, such as shortness of breath and fatigue. (This issue is more common with severe disease.) As a result, you may not get all of the calories and nutrients you need, which can worsen your symptoms and raise your risk for infections. Talk with your doctor about following an eating plan that will meet your nutritional needs. Your doctor may suggest eating smaller, more frequent meals; resting before eating; and taking vitamins or nutritional supplements. Also, talk with your doctor about what types of activity are safe for you. You may find it hard to be active with your symptoms. However, physical activity can strengthen the muscles that help you breathe and improve your overall wellness. Treatment Goals The goals of COPD treatment are to - relieve symptoms with no or minimal side effects of treatment - slow the progress of the disease - improve the ability to stay active and exercise - prevent and treat any complications from the disease - improve health overall. relieve symptoms with no or minimal side effects of treatment slow the progress of the disease improve the ability to stay active and exercise prevent and treat any complications from the disease improve health overall. Treatment for COPD can be different for each person and is based on whether symptoms are mild, moderate, or severe. Treatments include medication, pulmonary or lung rehabilitation, oxygen treatment, and surgery. There are also treatments to manage complications or a sudden onset of symptoms. COPD Medications - Bronchodilators are medications that work by relaxing the muscles around your airways. This helps open your airways and makes breathing easier. Depending on the severity of your COPD, your doctor may prescribe short-acting or long-acting bronchodilators. Short-acting bronchodilators last about 4–6 hours and should be used only when needed. Long-acting bronchodilators last about 12 hours or more and are used every day. Most bronchodilators are inhaled directly into the lungs with the use of an inhaler. This device allows the medicine to go straight to your lungs. Not all inhalers are used the same way. Ask your health care team to show you the correct way to use your inhaler. People with mild COPD may use inhalers only when needed. Those with moderate or severe COPD may need more regular bronchodilator treatment. Bronchodilators are medications that work by relaxing the muscles around your airways. This helps open your airways and makes breathing easier. Depending on the severity of your COPD, your doctor may prescribe short-acting or long-acting bronchodilators. Short-acting bronchodilators last about 4–6 hours and should be used only when needed. Long-acting bronchodilators last about 12 hours or more and are used every day. Most bronchodilators are inhaled directly into the lungs with the use of an inhaler. This device allows the medicine to go straight to your lungs. Not all inhalers are used the same way. Ask your health care team to show you the correct way to use your inhaler. People with mild COPD may use inhalers only when needed. Those with moderate or severe COPD may need more regular bronchodilator treatment. - Inhaled steroids are used for some people with moderate or severe COPD. They work to reduce the inflammation or swelling in the airways. Your doctor may ask you to try inhaled steroids for a trial period of 6 weeks to 3 months to see whether the medicine helps relieve your breathing problems. Inhaled steroids are used for some people with moderate or severe COPD. They work to reduce the inflammation or swelling in the airways. Your doctor may ask you to try inhaled steroids for a trial period of 6 weeks to 3 months to see whether the medicine helps relieve your breathing problems. Vaccines Doctors recommend that people with COPD get an annual flu shot to avoid any breathing complications from the flu and a pneumococcal vaccine to prevent pneumonia. - Flu Shot. The flu (influenza) can cause serious problems for people who have COPD. Flu shots can reduce your risk of getting the flu. Talk with your doctor about getting a yearly flu shot. Flu Shot. The flu (influenza) can cause serious problems for people who have COPD. Flu shots can reduce your risk of getting the flu. Talk with your doctor about getting a yearly flu shot. - Pneumococcal Vaccine.This vaccine lowers your risk for pneumococcal pneumonia (NU-mo-KOK-al nu-MO-ne-ah) and its complications. People who have COPD are at higher risk for pneumonia than people who don't have COPD. Talk with your doctor about whether you should get this vaccine. Pneumococcal Vaccine.This vaccine lowers your risk for pneumococcal pneumonia (NU-mo-KOK-al nu-MO-ne-ah) and its complications. People who have COPD are at higher risk for pneumonia than people who don't have COPD. Talk with your doctor about whether you should get this vaccine. Pulmonary Rehabilitation In addition to medications, doctors may recommend pulmonary or lung rehabilitation (rehab) to help people with COPD stay active. Pulmonary rehabilitation may include exercise training, nutritional counseling, and education about managing the disease. The program's goal is to help you stay active and carry out your daily activities. A program of pulmonary rehabilitation would be managed by doctors, nurses, respiratory therapists, exercise specialists, and dietitians, and would be customized for each patient. Oxygen Therapy For people with severe COPD and low levels of oxygen in the blood, doctors may recommend oxygen therapy to help with shortness of breath. For this treatment, you're given oxygen through nasal prongs or a mask. You may need extra oxygen all the time or only at certain times. For some people who have severe COPD, using extra oxygen for most of the day can help them - do tasks or activities, while having fewer symptoms - protect their hearts and other organs from damage - sleep more during the night and improve alertness during the day - live longer. do tasks or activities, while having fewer symptoms protect their hearts and other organs from damage sleep more during the night and improve alertness during the day live longer. Surgery For some people with severe COPD, surgery may be recommended. Surgery is usually a last resort for patients who have severe symptoms that have not improved from taking medicines. Surgeries for people who have COPD that's mainly related to emphysema include bullectomy (bul-EK-toe-me) and lung volume reduction surgery (LVRS). A lung transplant might be an option for people who have very severe COPD. - Bullectomy. When the walls of the air sacs are destroyed, larger air spaces called bullae (BUL-e) form. These air spaces can become so large that they interfere with breathing. In a bullectomy, doctors remove one or more very large bullae from the lungs. Bullectomy. When the walls of the air sacs are destroyed, larger air spaces called bullae (BUL-e) form. These air spaces can become so large that they interfere with breathing. In a bullectomy, doctors remove one or more very large bullae from the lungs. - Lung Volume Reduction Surgery. In LVRS, surgeons remove damaged tissue from the lungs. This helps the lungs work better. In carefully selected patients, LVRS can improve breathing and quality of life. Lung Volume Reduction Surgery. In LVRS, surgeons remove damaged tissue from the lungs. This helps the lungs work better. In carefully selected patients, LVRS can improve breathing and quality of life. - Lung Transplant. During a lung transplant, your damaged lung is removed and replaced with a healthy lung from a deceased donor. A lung transplant can improve your lung function and quality of life. However, lung transplants have many risks, such as infections. The surgery can cause death if the body rejects the transplanted lung. If you have very severe COPD, talk with your doctor about whether a lung transplant is an option. Ask your doctor about the benefits and risks of this type of surgery. Lung Transplant. During a lung transplant, your damaged lung is removed and replaced with a healthy lung from a deceased donor. A lung transplant can improve your lung function and quality of life. However, lung transplants have many risks, such as infections. The surgery can cause death if the body rejects the transplanted lung. If you have very severe COPD, talk with your doctor about whether a lung transplant is an option. Ask your doctor about the benefits and risks of this type of surgery. If COPD Suddenly Gets Worse People with COPD usually have symptoms that worsen slowly over time. However, they can have symptoms that suddenly get worse. Call your doctor right away if your symptoms worsen suddenly. A cold, the flu, or a lung infection may cause your symptoms to quickly worsen. When this happens, you have a much harder time catching your breath. You should call your doctor right away if you have sudden chest tightness, more coughing, a change in your sputum (mucus), or fever. Your doctor will look at things that may be causing these sudden symptoms. Your doctor might recommend antibiotics to fight the infection, or bronchodilators or inhaled steroids to help you breathe. Some severe symptoms may require treatment in a hospital. Frequently Asked Questions What is COPD? Chronic obstructive pulmonary disease, or COPD, is a progressive lung disease in which the airways of the lungs become damaged, making it harder to breathe. With COPD, airways become blocked, making it harder to get air in and out. Can COPD cause someone to die? COPD is a disease that slowly worsens over time, especially if you continue to smoke. If you have COPD, you are more likely to have lung infections, which can be fatal. If the lungs are severely damaged, the heart may be affected. A person with COPD dies when the lungs and heart are unable to function and get oxygen to the body's organs and tissues, or when a complication, such as a severe infection, occurs. Treatment for COPD may help prevent complications, prolong life, and improve a person's quality of life. What causes COPD? Cigarette smoking is the most common cause of COPD. Most people with COPD are smokers or have been smokers in the past. Breathing in other fumes and dusts over long periods of time can also lead to COPD. Pipe, cigar, and other types of tobacco smoking can cause COPD, especially if the smoke is inhaled. Exposure to secondhand smoke can play a role in causing COPD. Most people with COPD are at least 40 years old or around middle age when symptoms start. What are the symptoms of COPD? The most common symptoms of COPD are a cough that does not go away and coughing up a lot of sputum (mucus). These symptoms may occur years before lung damage has reduced the flow of air in and out of the lungs. Other symptoms of COPD include shortness of breath, especially with exercise; wheezing (a whistling sound when you breathe); and tightness in the chest. How is COPD diagnosed? To confirm a COPD diagnosis, a doctor will use a breathing test called spirometry. The test is easy and painless. It shows how well the lungs are working. The spirometer measures how much air the lungs can hold and how fast air is blown out of the lungs. Other tests, such as bronchodilator reversibility testing, a chest X-ray, and arterial blood gas test, may be ordered. What are the treatments for COPD? Treatment for COPD can be different for each person and is based on whether symptoms are mild, moderate or severe. Treatments include medication, pulmonary or lung rehabilitation, oxygen treatment, and surgery. There are also treatments to manage complications or a sudden onset of symptoms. If I am diagnosed with COPD, can I exercise? If you have not been exercising regularly, you should get the advice of your doctor before starting. The symptoms of COPD are different for each person. People with mild COPD may not have much difficulty walking or exercising. As the symptoms of COPD get worse over time, a person may have more difficulty with walking and exercising. You should talk to your doctor about exercising and whether you would benefit from a pulmonary or lung rehabilitation program. If my doctor sends me for pulmonary rehabilitation, what type of people will I be working with and what do they do? The pulmonary rehabilitation team is a group of health care professionals who work together with the patient and his/her own doctor to develop and monitor rehabilitation programs for patients with chronic lung diseases. Each member brings to the team expertise from his or her own area of specialty. Each team may have a different makeup and combination of staff depending on what is needed and who is available. Teams can include a doctor, a nurse, a respiratory therapist, a physical therapist, an occupational therapist, an exercise therapist, a sociologist, a social worker, and a dietitian. - A doctor with a special interest in working with patients with lung problems usually leads the team. - A nurse with special training in lung problems can help evaluate patients, develop the treatment plan, and make sure the program works for the patient and that the goals of the program are being met. - A respiratory therapist may help teach breathing techniques and proper use of equipment such as nebulizers and oxygen. - A physical therapist may help with physical training to improve strength, flexibility, and ability to exercise. - An occupational therapist can teach easier ways of doing everyday activities such as dressing, bathing, running errands, and doing chores. - An exercise therapist is someone with special training to help people with their physical activity and exercise. - A psychologist, social worker, or other therapist may help with the emotional adjustments to living with chronic lung disease. - A dietitian can work with persons with chronic lung diseases to make sure they are getting enough nutrition in their diets. A doctor with a special interest in working with patients with lung problems usually leads the team. A nurse with special training in lung problems can help evaluate patients, develop the treatment plan, and make sure the program works for the patient and that the goals of the program are being met. A respiratory therapist may help teach breathing techniques and proper use of equipment such as nebulizers and oxygen. A physical therapist may help with physical training to improve strength, flexibility, and ability to exercise. An occupational therapist can teach easier ways of doing everyday activities such as dressing, bathing, running errands, and doing chores. An exercise therapist is someone with special training to help people with their physical activity and exercise. A psychologist, social worker, or other therapist may help with the emotional adjustments to living with chronic lung disease. A dietitian can work with persons with chronic lung diseases to make sure they are getting enough nutrition in their diets. How can I prevent my COPD from getting worse? If you smoke, the most important thing you can do to prevent more lung damage is to stop smoking. It is also important to stay away from people who smoke and places where you know there will be smokers. Avoid exposure to pollutants like dust, fumes, and poor air quality, and take precautions to prevent flu and pneumonia. Following your doctor's instructions with medications and rehabilitative treatment can help alleviate COPD symptoms and control the disabling effects of the disease. What medications are used to treat COPD? Bronchodilators and inhaled steroids are two medications used to treat COPD. Bronchodilators work by relaxing the muscles around the airways, opening them and making it easier to breathe. People with mild COPD take bronchodilators using an inhaler only when needed. Those with moderate or severe COPD may need more regular treatment. Inhaled steroids also are used for people with moderate or severe COPD in order to reduce swelling in the airways. When is oxygen therapy used for COPD? For people with severe COPD and low levels of oxygen in the blood, doctors may recommend oxygen therapy to help with shortness of breath. Using extra oxygen more than 15 hours per day can help you perform tasks or activities with less shortness of breath, protect the heart and other organs from damage, help you sleep more, improve your alertness during the day, and help you live longer. When is surgery recommended for people with COPD? For some people with severe COPD, surgery may be recommended. Surgery is usually done for patients who have severe symptoms, have not gotten improvement from medications, and have a hard time breathing most of the time. There are two types of surgery that are considered in the case of severe COPD; a bullectomy, which removes a large air sac that may compress a good lung, or lung volume reduction surgery. A lung transplant may be done for some people with very severe COPD. What should I do if my COPD symptoms suddenly get worse? Call your doctor right away if your symptoms worsen suddenly. People with COPD may have symptoms that suddenly get worse. When this happens, you have a much harder time catching your breath. Symptoms that worsen suddenly can include sudden chest tightness, more coughing, a change in your sputum (mucus), or fever. Your doctor will look at things that may be causing these sudden symptoms. Sometimes the symptoms are caused by a lung infection. Where else can I find information on COPD? More information on COPD is available at: What is COPD? and at the Learn More, Breathe Better Campaign® For information on quitting smoking, visit http://www.surgeongeneral.gov/tobacco/ or Smokefree.gov. For information on the H1N1 flu and COPD, go to The Centers for Disease Control and Prevention. 

Answer: Chronic obstructive pulmonary disease, or COPD, is a progressive lung disease in which the airways of the lungs become damaged, making it harder to breathe. With COPD, airways become blocked, making it harder to get air in and out.