Pulmonary Balloon Dilation
Medically reviewed by Drugs.com. Last updated on Dec 2, 2022.
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).
What will happen before balloon dilation?
- In the weeks before your procedure you will need to have a CT scan, x-rays, or a bronchoscopy. These tests will help healthcare providers see how close the area is to your vocal cords. They will also help measure the size of the narrow area.
- Your healthcare provider will tell you not to eat or drink for at least 4 hours before the procedure.
- Your throat will be sprayed with numbing medicine. You will also receive medicine to relax you.
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.
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