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What are Common Lung Conditions?

by | Nov 18, 2024 | Info | 0 comments

Lung Disease Overview

Lung disease is a general term for several disorders that include airway diseases, lung tissue diseases, and lung circulation diseases, some of which may lead to respiratory failure.

During the course of a day, a person generally takes a breath nearly 25,000 times. However, if a person is one of the millions in the United States who has lung disease, they may have difficulty breathing. In fact, lung disease is a leading cause of death in the United States.

Moreover, the three main categories of lung disease each encompass different diseases, including asthma, pulmonary fibrosis, and pulmonary edema.


How Lung Works?

Notably the lungs are an essential part of the respiratory system. Moreover, when a person breathes, the lungs take in oxygen from the air and pump it through the body’s airways and air sacs. As a result, the oxygen is then absorbed into the bloodstream and carried to the heart via the blood vessels.

Accordingly, doctors use the phrase lung disease or respiratory disease to describe the many different conditions that affect the respiratory, or breathing, system.

Categories and Types of Lung Diseases

There are three main categories of lung disease, and each affects the lungs in a different way:

  • Airway diseases: These conditions make it difficult for people to breathe in regards to airflow in and out of the lungs using the airways.
  • Lung tissue diseases: These conditions make it difficult for the lungs to work properly and diffuse oxygen from the airways into the bloodstream.
  • Lung circulation diseases: These conditions affect the way blood flows from the heart to the rest of the body in order to deliver oxygen to the organs and tissues.


Common Lung Conditions

Most common lung diseases fall into one or more of these three categories. Furthermore, some of the most common diseases include the following:

Therefore, doctors tend to classify lung diseases according to the way they affect the lungs. However, the lungs are complex organs and respiratory conditions may involve more than one lung disease category.

Airway Diseases

Airway diseases affect the airways that carry oxygen from the atmosphere into the body. Consequently, they can make it hard for a person to breathe.

Airway conditions include the following:

Asthma

When someone has asthma, their airway can become swollen and narrow, making it hard for the person to breathe and making them feel as though they cannot get enough air. However, asthma events often happen after the person has been exposed to a “trigger” such as smoke, pollution, or pet hair.

At least 25 million people in the United States have asthma. Therefore, it is a chronic condition, meaning there is no cure.

COPD

COPD thickens and damages the airways. As a result, over time, this damage results in the lungs making more mucus than usual and clogging up the airways.

The typical symptoms of COPD are:

Smoking tobacco is the leading cause of COPD. Also, there is no cure for the condition, as it is a progressive disease that generally gets worse over time, especially if a person continues smoking.

Bronchiectasis

Bronchiectasis affects the small airways in the lungs, called bronchi. If a person has bronchiectasis, the walls of the bronchi become thick and swollen, which prevents the lungs from working efficiently. Consequently, it can also lead to a buildup of excess mucus, which can lead to infections.

Symptoms may include:

  • A whistling sound when breathing
  • Coughing up green or yellow mucus
  • Chills
  • Fever
  • Shortness of breath
  • Coughingup blood
  • Feeling very tired
  • Chest pain

However, there is no cure, and the symptoms tend to get worse over time.

Complications

Patients with airway diseases can have periods when their symptoms get worse, which can require hospital treatment.

Lung Tissue Diseases

Some lung diseases affect the lung tissue, diminishing the amount of air entering the lungs.

They include the following:

Pulmonary fibrosis

Pulmonary fibrosis causes scarring of the lungs, which makes it difficult for the body to absorb sufficient oxygen into the bloodstream.

The most common symptoms of pulmonary fibrosis include:

  • A dry cough
  • Fast and shallow breathing
  • Aching joints and muscles
  • Shortness of breath that gets worse during exercise
  • Tiredness

Sarcoidosis

Sarcoidosis is a condition that develops when a person’s immune system cells clump to form granulomas. Therefore, it can happen in any organ, but the lungs are most commonly affected.

Also, symptoms include feeling tired or having a fever.

Although, most people will get better, many without treatment. However, in some people, sarcoidosis can lead to permanent lung scarring. As a result, as with pulmonary fibrosis, this can make it difficult for the body to get the oxygen it needs.

Complications

In fact, lung tissue disease can sometimes lead to long-term breathing problems.


Lung Circulation Diseases

The lungs are full of blood vessels that absorb the oxygen from the air. If the vessels are damaged, it means the body may not get sufficient oxygen, and may have difficulty in getting rid of harmful carbon dioxide. These diseases include:

Pulmonary hypertension

Pulmonary hypertension is the most common lung circulation disease. It happens when high blood pressure damages the lung’s blood vessels, which become stiff and narrow, causing the heart to pump harder. The symptoms can include:

  • Fatigue
  • Lightheadedness or fainting
  • Chest pain
  • Shortness of breath
  • Heart palpitations
  • Edema, or swelling in the feet

Complications

The possible complications of pulmonary hypertension can include:

Lung Diseases as a Leading Cause of Death

According to the Centers for Disease Control, the five leading causes of death in the U.S. in 2019 included:

  1. Heart disease – 659,041 deaths
  2. Cancer – 599,601 deaths
  3. Accidents – 173,040 deaths
  4. Chronic lower respiratory diseases, which includes asthma and COPD – 156,979 deaths
  5. Stroke– 150,005

Lung disease is a leading cause of death worldwide. In 2008, lung infections, lung cancer, and COPD accounted for 9.5 million deaths worldwide.

Summary

Hence the lungs work with the heart to ensure the body gets the oxygen it needs. Therefore when a person breathes in, the lungs bring fresh air into the airways and air sacs. As a result the oxygen in that air is absorbed into the bloodstream and pumped throughout the body by the heart, traveling through blood vessels to vital organs and tissues.

The different types of lung diseases are generally classified based on whether they affect the tissue of the lungs, the airways, or the blood vessels in the lungs.

Lung diseases are among the leading causes of death worldwide.

Biospecimens

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In addition to the standard processing protocols, Bay Biosciences can also provide human plasma, serum, and PBMC bio-fluid samples using custom processing protocols; you buy donor-specific collections in higher volumes and specified sample aliquots from us.

Bay Biosciences also provides human samples from normal healthy donors; volunteers, for controls and clinical research, contact us Now.

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