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CardioVascular and Interventional Radiology

, Volume 27, Issue 4, pp 339–343 | Cite as

Treatment of Benign and Malignant Tracheobronchial Obstruction with Metal Wire Stents: Experience with a Balloon-Expandable and a Self-Expandable Stent Type

  • Johannes RiegerEmail author
  • Hubert Hautmann
  • Ulrich Linsenmaier
  • Cristoph Weber
  • Markus Treitl
  • RÅ«dolf Maria Huber
  • Klaus-Jürgen Pfeifer
OriginalPaper

Abstract

Over the last few years various types of metal wire stents have been increasingly employed in the treatment of both malignant and benign tracheobronchial obstruction. To date, however, few studies have investigated the in vivo properties of different stent types. We implanted 26 balloon-expandable tantalum Strecker stents (18 patients) and 18 self-expandable Wallstents (16 patients) into the tracheobronchial system of 30 patients with combined stenting in 4 patients. Mean age was 51 years (range: 0.5–79 years). Malignant disease was present in 23 patients, benign disease in seven patients. Both patients and individual stents were monitored clinically and radiographically. The probability of stents remaining within the tracheobronchial system, and of their remaining undislocated and uncompressed was calculated using Kaplan-Meier analysis for both stent types. Average stent follow-up time was 112 days until explantation and 115 days until patients’ death or discharge. Kaplan-Meier analysis revealed a higher probability for the Wallstent to remain within the tracheobronchial system. Dislocation and compression occurred more rarely. Explantation, however, if desired, was more difficult compared to the Strecker stent. The Wallstent also led to the formation of granulation tissue, especially at the proximal stent end, frequently requiring reintervention. Both stent types proved to be effective therapeutic options in the management of obstructive tracheobronchial disease. The mechanical properties of the Strecker stent seem to be less favorable compared to the Wallstent but removal is easy. For benign disease, however, the Wallstent reveals limitations due to significant side effects.

Stents Intervention Tracheobronchial tree Stenosis 

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Copyright information

© Springer-Verlag New York, Inc. 2004

Authors and Affiliations

  • Johannes Rieger
    • 1
    Email author
  • Hubert Hautmann
    • 2
  • Ulrich Linsenmaier
    • 1
  • Cristoph Weber
    • 1
  • Markus Treitl
    • 1
  • RÅ«dolf Maria Huber
    • 2
  • Klaus-Jürgen Pfeifer
    • 1
  1. 1.Department of Clinical RadiologyUniversity Hospitals of the Ludwig-Maximilians-UniversityMünchen
  2. 2.Department of PneumologyUniversity Hospitals of the Ludwig-Maximilians-UniversityMünchen

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