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Emphysema: Everything you need to know!

Published 27 Sep 2024 • By Somya Pokharna

Shortness of breath during everyday activities, such as walking or climbing stairs, or a lingering cough that just won’t go away, can be early signs of emphysema. This chronic lung disease damages the air sacs in the lungs, gradually making it more difficult to breathe over time.

So, what causes emphysema, and how can it be managed and treated?

Let’s explore it all in this article!

Emphysema: Everything you need to know!

What is emphysema?

Emphysema is a chronic lung disease that falls under the umbrella of chronic obstructive pulmonary disease (COPD). It damages the alveoli—tiny air sacs in the lungs responsible for oxygen exchange. Over time, these sacs weaken, rupture, and reduce the lungs’ capacity to transfer oxygen into the bloodstream, making breathing difficult. Although emphysema is progressive and irreversible, it can be managed effectively with the right treatments and lifestyle changes to slow its progression.

What causes emphysema?

Several factors contribute to the development of emphysema:

  1. Smoking: The leading cause of emphysema is long-term cigarette smoking, which irritates and damages lung tissue over time.
  2. Air pollutants: Prolonged exposure to industrial fumes, air pollution, and second-hand smoke can damage the lungs, increasing the risk of developing emphysema.
  3. Alpha-1 antitrypsin deficiency: This rare genetic condition affects the production of a protein that protects the lungs, leading to early-onset emphysema in some individuals, even in non-smokers.
  4. Age: Emphysema typically develops after the age of 40, particularly in people with a history of smoking or exposure to lung irritants.

What are the symptoms of emphysema?

Symptoms of emphysema often develop gradually, with most people noticing changes only after severe lung damage has happened. The common symptoms include:

  • Shortness of breath, particularly during physical activity, which may worsen over time.
  • Chronic cough, often dry or producing little mucus.
  • Wheezing, characterized by a whistling or squeaking sound when breathing.
  • Chest tightness, which may be persistent or occur with exertion.
  • Fatigue, as the body works harder to receive enough oxygen.
  • Weight loss and reduced appetite, especially in advanced stages of the disease.

Medical attention should be sought if symptoms of emphysema significantly worsen, such as increased shortness of breath, frequent lung infections, or difficulty performing everyday tasks. Worsening symptoms may indicate disease progression or the need for adjustments to the current treatment plan.

In addition, if patients experience sudden chest pain, coughing up blood, or severe breathing difficulties, emergency medical care may be necessary.

How is emphysema diagnosed?

Diagnosing emphysema involves a series of tests that assess lung function and visualize lung damage:

  • Pulmonary function tests (PFTs): These tests measure how well the lungs function by assessing airflow and lung volume. PFTs are often used to confirm the presence of airflow obstruction typical of emphysema.
  • Imaging tests: Chest X-rays and CT scans can reveal structural changes in the lungs, such as overinflation and damage to the alveoli, which are characteristic of emphysema.
  • Arterial blood gas analysis: This test measures the levels of oxygen and carbon dioxide in the blood to assess how efficiently the lungs are delivering oxygen to the bloodstream.

How can emphysema be managed and treated?

Although there is no cure for emphysema, medical treatments and lifestyle changes can help in managing symptoms, slowing disease progression, and improving quality of life. These include:

Quitting smoking

Giving up smoking completely is the most critical step in managing emphysema. Continued smoking accelerates lung damage, while stopping smoking helps prevent further deterioration, which can not only slow the disease but also enhance the effectiveness of other treatments.

Lifestyle changes

In addition to medical treatments, some significant changes to lifestyle can also considerably help in managing emphysema:

  • Regular exercise: Low-impact activities like walking or swimming can help maintain lung function and improve stamina.
  • Healthy diet: A balanced diet rich in fruits, vegetables, and lean proteins supports overall health and helps individuals maintain a strong immune system. A healthy diet is especially important for those experiencing weight loss due to the disease.
  • Avoiding lung irritants: Limiting exposure to air pollutants, dust, and chemical fumes can help prevent further lung damage. Using air purifiers in the home may also improve indoor air quality.
  • Vaccinations: Staying up to date with flu and pneumonia vaccines is critical for preventing respiratory infections that can worsen emphysema symptoms.

Medications

  • Bronchodilators: Medications such as albuterol or salmeterol relax the muscles around the airways, improving airflow and easing breathing.
  • Inhaled corticosteroids: These medications, like fluticasone, reduce inflammation in the airways, helping to control flare-ups and improve breathing.
  • Antibiotics: Respiratory infections can worsen emphysema symptoms, and antibiotics may be prescribed to treat or prevent these infections.

Oxygen therapy

In advanced stages of emphysema, supplemental oxygen may be required to maintain adequate oxygen levels in the blood, especially during physical activity or sleep. Oxygen therapy helps reduce breathlessness and improve quality of life for those with significant lung damage.

Pulmonary rehabilitation

This is a thorough, supervised program that includes exercise, education, and breathing techniques to improve lung function and overall health. Pulmonary rehabilitation helps individuals build stamina, manage symptoms, and gain a better understanding of how to live with emphysema.

Surgery

For patients of severe emphysema, surgical options may be considered. These include:

  • Lung volume reduction surgery (LVRS): This procedure removes damaged lung tissue, allowing the healthier parts of the lungs to function more efficiently.
  • Lung transplantation: In extreme cases, a lung transplant may be an option for patients who meet specific criteria.

By combining these medical treatments and lifestyle changes, individuals with emphysema can manage their symptoms, slow the disease’s progression, and improve their quality of life.

 

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