A collapsed lung, medically referred to as pneumothorax, is a condition where air leaks into the space between the lung and the chest wall. This buildup of air puts pressure on the lung, causing it to collapse partially or entirely. Pneumothorax can occur suddenly and may range from mild to life-threatening, depending on its severity. Understanding its causes, symptoms, diagnosis, and treatment options is crucial for managing this condition effectively.

Collapsed Lung (Pneumothorax): Causes, Symptoms, Diagnosis & Treatment

What Happens During a Collapsed Lung?

In a healthy individual, the lungs are surrounded by a thin layer of tissue called the pleura, which helps them expand and contract smoothly during breathing. When air enters the pleural space, it disrupts this process. The trapped air creates pressure that prevents the affected lung from fully expanding, leading to difficulty in breathing. Depending on the amount of air and the underlying cause, the impact on the body can vary significantly.

Causes of a Collapsed Lung

There are several potential causes of a collapsed lung, and understanding these can help in prevention and early detection. Below are some common causes:

Trauma to the Chest

  • Car accidents, falls, or other injuries that damage the chest wall can lead to a collapsed lung. A broken rib, for instance, may puncture the lung and allow air to escape into the pleural space.

Ruptured Air Bubbles

  • Small air blisters, known as blebs, can form on the surface of the lungs. These blisters can rupture spontaneously, releasing air into the pleural space. This type of collapsed lung is more common in tall, thin individuals and young adults.

Lung Diseases

  • Certain chronic lung conditions increase the risk of a collapsed lung. These include chronic obstructive pulmonary disease, asthma, cystic fibrosis, and tuberculosis. In these cases, weakened lung tissue is more prone to tearing or leaking air.

Medical Procedures

  • Some medical procedures, such as inserting a needle into the chest for a biopsy or placing a central line in a vein, carry a small risk of causing a collapsed lung. While rare, these complications can occur due to accidental punctures.

Spontaneous Causes

  • In some cases, a collapsed lung occurs without any apparent cause. This is known as primary spontaneous pneumothorax and often affects people with no prior lung issues. Secondary spontaneous pneumothorax, on the other hand, happens in individuals with pre-existing lung conditions.

Symptoms of a Collapsed Lung

The symptoms of a collapsed lung can vary depending on the severity of the condition. Some individuals may experience mild discomfort, while others may face life-threatening complications. Common symptoms include:

  • Sudden, sharp chest pain, often on one side
  • Shortness of breath or difficulty breathing
  • Rapid heart rate
  • Coughing
  • Fatigue or feeling unusually tired
  • Bluish tint to the skin or lips due to lack of oxygen

If you or someone else experiences these symptoms, especially after trauma to the chest, it is essential to seek medical attention immediately.

Diagnosis of a Collapsed Lung

To diagnose a collapsed lung, healthcare providers rely on a combination of physical examinations, imaging tests, and patient history. Hereโ€™s how the diagnostic process typically unfolds:

Physical Examination

  • During a physical exam, the doctor will listen to the chest using a stethoscope. Reduced or absent breath sounds on one side of the chest can indicate a collapsed lung.
  • The doctor may also tap on the chest to check for abnormal sounds, which can suggest trapped air.

Imaging Tests

  • A chest X-ray is the most common imaging test used to confirm a collapsed lung. It shows the presence of air in the pleural space and the extent of lung collapse.
  • In some cases, a computed tomography scan may be required for a more detailed view, especially if the X-ray results are unclear or if there is suspicion of underlying lung disease.

Patient History

  • The doctor will ask about recent injuries, medical procedures, and any pre-existing lung conditions. This information can help determine the likely cause of the collapsed lung.

Treatment Options for a Collapsed Lung

Treatment for a collapsed lung depends on the severity of the condition and the underlying cause. Mild cases may resolve on their own, while severe cases require immediate intervention. Below are the main treatment approaches:

Observation

  • For small, uncomplicated cases of a collapsed lung, doctors may recommend observation. This involves monitoring the patient’s condition closely to ensure the lung re-expands on its own.
  • Patients are usually advised to avoid activities like flying or scuba diving until the lung has fully healed.

Oxygen Therapy

  • In some cases, providing supplemental oxygen can help speed up the reabsorption of air in the pleural space, allowing the lung to re-expand more quickly.

Needle Aspiration

  • If the collapsed lung is larger or causing significant symptoms, a doctor may use a needle to remove the trapped air. This procedure involves inserting a needle into the pleural space to release the air.

Chest Tube Insertion

  • For more severe cases, a chest tube may be inserted to continuously drain the air from the pleural space. The tube remains in place until the lung has fully re-expanded and the air leak has stopped.

Surgery

  • In recurrent or persistent cases, surgery may be necessary to repair the lung and prevent future collapses. Common surgical procedures include pleurodesis, where the pleural layers are fused together to eliminate the space for air to accumulate, and thoracoscopy, a minimally invasive surgery to repair lung tissue.

Treatment for Underlying Conditions

  • If a collapsed lung is caused by an underlying lung disease, treating the primary condition is essential to reduce the risk of recurrence. This may involve medications, lifestyle changes, or other therapies specific to the disease.

Preventing a Collapsed Lung

While not all cases of a collapsed lung can be prevented, certain measures can reduce the risk:

  • Avoid smoking, as it weakens lung tissue and increases the likelihood of lung diseases.
  • Wear protective gear during high-risk activities, such as contact sports or jobs involving heavy machinery, to prevent chest injuries.
  • Follow safety guidelines during medical procedures to minimize the risk of complications.
  • Manage chronic lung conditions effectively through regular check-ups and adherence to treatment plans.

When to Seek Medical Attention

A collapsed lung is a serious condition that requires prompt medical care. If you experience sudden chest pain, difficulty breathing, or any other symptoms associated with this condition, do not delay seeking help. Early intervention can prevent complications and improve outcomes.

It is also important to inform your healthcare provider if you have a history of collapsed lungs or underlying lung conditions. This information can guide preventive measures and ensure timely treatment if symptoms arise.

Last Update: June 1, 2025