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Metallic endoprostheses for malignant tracheobronchial obstruction: initial experience

B S Tan¹, A F Watkinson, J E Dussek

¹Division of Radiological Sciences, United Medical and Dental School, Guy's and St. Thomas' Hospitals, London, United Kingdom.

Cardiovascular and Interventional Radiology

|March 1, 1996

Summary

The Wallstent endoprosthesis is technically feasible for treating malignant tracheobronchial obstruction, offering improved respiratory status in some patients. Long-term follow-up showed no major complications like migration or fracture.

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Area of Science:

Pulmonology
Interventional Bronchoscopy
Oncology

Background:

Malignant tracheobronchial obstruction significantly impacts patient quality of life and survival.
Endoscopic interventions are crucial for managing airway compromise in advanced cancer.

Purpose of the Study:

To evaluate the efficacy and safety of the Wallstent endoprosthesis for malignant tracheobronchial obstruction.

Main Methods:

Seven patients with unresectable non-small cell lung cancer underwent stenting with Wallstent endoprostheses.
Procedures involved balloon dilatation of strictures followed by stent deployment under endoscopic and fluoroscopic guidance.

Main Results:

Successful deployment of nine Wallstent endoprostheses was achieved in all patients.

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Three patients experienced significant improvement in respiratory function post-stenting.

No stent migration, fracture, or collapse occurred during a mean follow-up of 5.1 months.

Conclusions:

Wallstent endoprosthesis placement is a technically feasible option for malignant tracheobronchial obstruction.
While feasible, careful patient selection and monitoring are essential due to potential complications.