Treatment of benign and malignant tracheobronchial obstruction with metal wire stents: experience with a balloon-expandable and a self-expandable stent type

Cardiovascular and Interventional Radiology
Johannes RiegerKlaus-Jürgen Pfeifer

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 ...Continue Reading

Citations

Apr 22, 2008·BMC Pulmonary Medicine·Andrew L ChanTimothy E Albertson
Mar 21, 2007·The Veterinary Journal·Fei SunManuel Maynar
Sep 28, 2010·The Annals of Thoracic Surgery·Syed S RaziFaiz Y Bhora
Feb 21, 2008·Pediatric Pulmonology·T Nicolai

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