Some potential side effects and complications of tracheal stents include:- Granulation tissue - This is extra scar tissue that can grow around or through the stent, narrowing the airway. May require removal. - Mucus plugging - Excess mucus can build up and clog the stent, blocking airflow. Patient

The success rate of tracheal stents varies depending on the specific condition being treated, but overall they are an effective intervention for maintaining tracheal patency. Here's a brief overview of reported success rates:- Tracheal stenosis: 75-90% success rate in improving symptoms and lung fun