Bronchoscopy is a procedure that lets doctors look at your lungs and air passages. It is usually performed by a doctor who specializes in lung disorders (a pulmonologist). During bronchoscopy, a thin tube (bronchoscope) is passed through your nose or mouth, down your throat and into your lungs. Bronchoscopy is most commonly performed using a flexible bronchoscope. However, in certain situations, such as if there is a lot of bleeding in your lungs or a large object is stuck in your airway, a rigid bronchoscope may be needed. Common reasons for needing bronchoscopy are a persistent cough, infection or something unusual seen on a chest X-ray or other test. Bronchoscopy can also be used to obtain samples of mucus or tissue, to remove foreign bodies or other blockages from the airways or lungs, or to provide treatment for lung problems.

Complications from bronchoscopy are uncommon and usually minor, although they are rarely severe. Complications may be more likely if airways are inflamed or damaged by disease. Complications may be related to the procedure itself or to the sedative or topical numbing medicine.

• Bleeding. Bleeding is more likely if a biopsy was taken. Usually, bleeding is minor and stops without treatment.
• Collapsed lung. In rare cases, an airway may be injured during bronchoscopy. If the lung is punctured, air can collect in the space around the lung, which can cause the lung to collapse. Usually this problem is easily treated, but it may require admission to the hospital.
• Fever. Fever is relatively common after bronchoscopy but is not always a sign of infection. Treatment is generally not needed.

Preparation for bronchoscopy usually involves food and medication restrictions, as well as discussion about additional precautions.

You may be asked to stop taking blood-thinning medications such as aspirin, clopidogrel (Plavix) and warfarin (Coumadin, Jantoven) several days before bronchoscopy. You will also be asked not to eat or drink for four to eight hours before the procedure.

On the day of the procedure, you will be asked to put on a gown and take out any dentures, partial dentures or removable bridges. You may also be asked to remove hearing aids, contact lenses or glasses.

If you will be going home after the procedure, you will need a friend or family member to take you home. You wont be able to drive because of the lingering effects of the medications used during the procedure. It is also a good idea to have someone stay with you for the rest of the day.