Why Is Bronchoscopy Performed?
A bronchoscopy is a medical procedure that lets a doctor look directly inside your airways and lungs using a thin, flexible tube called a bronchoscope. The bronchoscope has a tiny light and camera on the end, which sends live images to a monitor so the doctor can examine areas inside the windpipe (trachea) and bronchial tubes. This helps doctors find problems in the breathing system that might not show up on regular X-rays or scans.
Bronchoscopy may be used to diagnose lung conditions, take samples for testing, remove mucus plugs or foreign material, or guide treatments. It is more detailed than a routine chest exam because it allows doctors to see and collect tissue or fluid directly from inside the lungs. The procedure is done in a hospital or clinic by a trained specialist (pulmonologist) and is often done under local anaesthesia and/or mild sedation so you are comfortable and relaxed.
Overall, bronchoscopy is an important tool for evaluating cough, unexplained breathing issues, lung infections, suspected tumours, and other respiratory problems with precision and safety.
Who May Need a Bronchoscopy?
Bronchoscopy may be recommended for people who:
● Have a persistent cough with no clear cause
● Cough up blood (hemoptysis)
● Show abnormal findings on chest X-ray or CT scan
● Experience shortness of breath or wheezing
● Have a lung infection that needs culture or biopsy
● Need to remove mucus plugs, foreign bodies, or secretions
● Need samples for biopsy or microbiology tests
● Are being checked for lung cancer or other lung diseases
Your doctor reviews your symptoms, medical history, and previous tests before recommending bronchoscopy.
Types of Bronchoscopy
There are different ways bronchoscopy can be done:
1. Flexible Bronchoscopy
This is the most common type. A flexible bronchoscope is gently passed through the nose or mouth into the airways. It is more comfortable and used for most diagnostic procedures.
2. Rigid Bronchoscopy
A rigid metal tube is used mainly for certain therapeutic interventions, such as removing large foreign objects or controlling severe bleeding. It is usually done under general anesthesia.
3. Endobronchial Ultrasound (EBUS)
This uses ultrasound with the bronchoscope to see deeper structures like lymph nodes. It is useful for staging lung cancer or guiding needle sampling.
4. Bronchoalveolar Lavage (BAL)
A small amount of saline is flushed into a part of the lung and then suctioned out. The fluid collected helps diagnose infections or inflammatory conditions.
The choice depends on the reason for the procedure and your doctor’s findings.
Bronchoscopy Procedure
The bronchoscopy procedure is generally done in a hospital or specialized clinic under controlled conditions. Steps include:
1. Preparation and Consent
The doctor explains the procedure and possible risks. Consent is obtained. You may be asked to avoid eating or drinking for several hours before the test.
2. Anesthesia and Sedation
A local anesthetic spray is applied to numb your throat. Mild sedation is often given through an IV to help you relax. You may remain awake but drowsy, or lightly asleep.
3. Insertion of Bronchoscope
The doctor gently guides the bronchoscope through your nose or mouth, down the throat, and into the airways. You may feel pressure but not sharp pain.
4. Inspection and Sampling
As the scope moves through the airways, the doctor examines the lining of the trachea and bronchi. If needed, samples of tissue, mucus, or fluids are collected with special tools through the bronchoscope.
5. Completion
Once the examination and any sampling are done, the scope is slowly withdrawn. The samples are sent to the lab for further analysis.
The entire procedure usually takes 15–45 minutes, depending on what needs to be done.
Recovery & Aftercare
After bronchoscopy:
● Rest: You are monitored for a short time until the effects of sedation wear off.
● Throat Sensation: Mild sore throat, hoarseness, or cough is common but usually improves within a day or two.
● Eating and Drinking: You may be asked to wait until your gag reflex returns before eating or drinking.
● Activity: Most people resume normal activities within a day but follow your doctor’s advice about rest.
● Follow-Up: Your doctor will discuss the findings and whether any treatment or further tests are needed based on the sample results.
If samples were taken, results may take several days to return.
Risks & Possible Complications
Bronchoscopy is generally safe, but some risks include:
● Sore throat or hoarseness after the test
● Coughing or light bleeding at sample sites
● Fever or infection (rare)
● Breathing difficulty (rare)
● Reaction to sedation or anesthesia
Serious complications are uncommon when the procedure is done by trained clinicians in a monitored setting. Tell your doctor about allergies, medicines you take, and health conditions to help reduce risks.