How Does A Stent in The Trachea Help To Keep The Patient Alive?

A tracheal stent helps keep a patient alive by maintaining an open airway for breathing. Here are some key ways it does this:

Relieves obstruction: If the trachea is collapsed, narrowed or blocked due to a tumor, inflammation, scarring, etc. it can completely cut off airflow. The stent props open the airway to restore breathing passages.

Prevents suffocation: An obstructed trachea cannot allow oxygen to enter the lungs or carbon dioxide to be expelled. This can quickly lead to suffocation without an open conduit for air exchange.

Improves lung function: By reducing tracheal compression and maintaining patency, the stent allows better lung expansion on inhaling and lung emptying on exhaling. This optimizes oxygen and carbon dioxide exchange.

Mitigates respiratory failure: An obstructed airway can cause respiratory failure as the lungs are deprived of ventilation. The stent alleviates this failure and prevents further decline towards respiratory arrest.

Enhances clearance: Certain stents have designs like side holes that help mucus drain out and clear secretions from the lungs more effectively.

Prolongs survival: Stents as a palliative measure prolong survival by weeks to months depending on the underlying illness by forestalling respiratory crisis and death.