Intubation is a medical procedure in which a tube is placed into your airway (windpipe) through the mouth or nose to help you breathe or receive oxygen when you cannot do so on your own. This is done by a trained healthcare provider using special equipment to guide the tube down into your trachea (windpipe) so air can reach your lungs.
Doctors most often perform intubation in a hospital setting, either during planned surgery under general anaesthesia or in emergency situations when breathing is difficult or unsafe without support. The tube keeps the airway open and can be connected to a machine (like a ventilator) to help your lungs get air.
Purpose & Benefits of Intubation
● Helps you breathe when you cannot do so safely on your own.
● Keeps the airway open so oxygen and medicines reach your lungs and body.
● Protects the lungs from inhaling saliva, food, vomit, or blood.
● Supports breathing during surgery under general anaesthesia.
● Allows connection to a ventilator to manage breathing in severe illness or distress.
● Improves oxygen levels and carbon dioxide removal in critical conditions.
Who May Need Intubation?
Intubation may be recommended for people who:
● Cannot breathe on their own due to respiratory failure or critical illness.
● Are undergoing major surgery and need help maintaining airway and breathing.
● Have a blocked airway from trauma, swelling, infection, or foreign objects.
● Are at risk of aspirating (inhaling food, vomit, or fluid) into the lungs.
● Experience cardiac arrest or severe shock where breathing support is required.
Your healthcare team decides if intubation is necessary based on your symptoms, breathing ability, and overall condition.
Types of Intubations
Orotracheal Intubation
This is the most common type and involves inserting the tube through the mouth into the windpipe. It is often used in emergency settings and during surgery.
Nasotracheal Intubation
Here, the tube is placed through the nose into the trachea. This may be chosen when mouth access is difficult or obstructed, or for certain head and neck procedures.
Emergency “Rapid Sequence” Intubation
Used in critical situations where the airway must be secured quickly. Sedation and paralytic medicines are given to make placement safe and smooth.
Intubation Procedure: Step-by-Step
1. Preparation: A healthcare team prepares you for the procedure. Medicines may be given through an IV to relax you and reduce pain. Your face may be covered with an oxygen mask first.
2. Positioning: Your head is gently tilted back to open the airway for easier tube placement.
3. Inserting the Laryngoscope: A laryngoscope (a tool with a light) is inserted to help the provider see your vocal cords and upper airway.
4. Placing the Tube: The endotracheal tube is passed through your mouth or nose and carefully guided down into your trachea (windpipe).
5. Inflating the Balloon: A small balloon at the end of the tube is inflated to hold the tube in place and help seal your airway for effective ventilation.
6. Confirming Placement: The team checks that the tube is correctly positioned using methods such as listening to your chest, checking carbon dioxide levels, or taking an X-ray.
7. Securing the Tube: Once confirmed, the tube is secured with tape or straps, so it stays in place while you breathe.
The procedure itself can be completed very rapidly, especially in urgent or emergency situations.
Recovery & Aftercare
After intubation:
● You may be connected to a ventilator or a breathing machine until your lungs can work without support.
● Sedation and pain relief are managed by the care team to keep you comfortable.
● Your breathing, oxygen levels, and vital signs are closely monitored.
● Once doctors decide you can breathe on your own, the tube is removed in a process called extubation.
● After extubation, you may have a sore throat, hoarseness, or mild discomfort, which often improves within a few days.
Recovery time varies depending on why intubation was needed and your overall health.
Risks & Possible Complications
While intubation is a common and often life-saving procedure, it can have risks, such as:
● Injury to teeth, mouth, throat, or airway during placement.
● Bleeding or swelling around the insertion site.
● Infection or irritation of the airway.
● Aspiration of stomach contents into the lungs.
● Tube misplacement into the food pipe (oesophagus) instead of the airway.
● Hoarseness or voice changes after the tube is removed.
Your care team explains the risks before the procedure and monitors you closely afterward.
Intubation vs Other Airway Support
● Intubation vs Oxygen Mask: An oxygen mask helps you breathe more easily but does not secure the airway. Intubation places a tube directly in the windpipe for complete airway control.
● Intubation vs Tracheostomy: A tracheostomy is a surgical opening in the neck for long-term airway support. Intubation is typically short-term and used in emergencies or surgery.
● Intubation vs Non-Invasive Ventilation: Non-invasive support (like a mask) helps with breathing without a tube. Intubation is used when breathing support must be secured directly in the trachea.
Your healthcare provider picks the most suitable method based on your health needs.
Dr. Ajaindu Avinash
MD-Medicine
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