Dynamic Y stent fractures in crescentic tracheobronchomalacia
Frida Popilevsky1, Mohammad R Al-Ajam, Vanthanh Ly
1Division of Pulmonary and Critical Care Medicine, State University of New York Downstate, Brooklyn Campus, Brooklyn, NY, USA.
Journal of Bronchology & Interventional Pulmonology
|December 5, 2012
Summary
Dynamic Y stents fractured twice in a patient with crescentic tracheobronchomalacia (TBM). A silicone Y stent proved effective and complication-free for TBM symptom management.
Area of Science:
- Pulmonology
- Medical Devices
- Thoracic Surgery
Background:
- Benign airway conditions like tracheobronchomalacia (TBM) are occasionally managed with endobronchial stents.
- Crescentic TBM presents unique challenges for stent selection and long-term efficacy.
Observation:
- A patient with crescentic TBM experienced recurrent posterior wall fractures of a Dynamic Y stent within a year of placement on two separate occasions.
- The Dynamic Y stent was replaced with a silicone Y stent.
Findings:
- The silicone Y stent effectively controlled TBM symptoms for 9 months post-placement without any complications.
- This case highlights potential issues with Dynamic Y stent durability in specific TBM morphologies.
Implications:
- The choice of stent type is critical for managing crescentic TBM, considering potential material fatigue and fracture risks.
- Silicone Y stents may offer a more durable and safer alternative for certain TBM cases compared to Dynamic Y stents.
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