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Pulmonary Balloon Dilation

Medically reviewed by Last updated on Jun 5, 2024.

What do I need to know about pulmonary balloon dilation?

Pulmonary balloon dilation is done to expand a narrow windpipe (trachea) or main branch in the lungs (bronchus).

The Lungs

What will happen before balloon dilation?

What will happen during balloon dilation?

Your healthcare provider will first use a bronchoscope to look at the area. A guidewire will be placed into the narrow area. He or she will then use fluoroscopy (a type of x-ray) to help see the area while doing the procedure. A balloon is passed over the guidewire to the area. The balloon is inflated 2 to 3 times for 1 to 2 minutes at a time. If the narrowing is in the trachea, the balloon will be inflated for less than 20 seconds.

What will happen after my procedure?

Healthcare providers will monitor you for complications. You may need a pulmonary function test after your procedure to see if your symptoms are better.

What are the risks of pulmonary balloon dilation?

You may have a cough or chest pain during dilation. You may have bronchospasm or part of your lung may collapse after the procedure is done. You may bleed more than expected, which can be life-threatening. You may get an infection. Your symptoms may return and you may need a repeat dilation or other treatments.

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.