Use of a Retrievable Metallic Stent Internally Coated with Silicone to Treat Airway Obstruction

Jin Hyoung Kim, Ji Hoon Shin, Ho Young Song, Se Chul Lee, Kyung Rae Kim, Jung Hoon Park

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Purpose: The authors hypothesized that internally covered stents can reduce the rates of stent migration or mucous retention. The authors performed this study to report their experience with use of a retrievable metallic stent internally coated with silicone in patients with benign or malignant central airway obstructions. Materials and Methods: From 2004 to 2007, the authors performed fluoroscopically guided placement of a retievable metallic stent internally coated with silicone in 26 consecutive patients with benign (n = 5) and malignant (n = 21) central airway obstructions. Stents were woven from a single thread of a 0.2-mm-diameter nitinol wire in a tubular configuration and internally covered with silicone membrane. Results: Stent placement was technically and clinically successful in 93% (25/26) and 85% (22/26) of the patients, respectively. There were eight complications (31%) after stent placement, including tumor overgrowth (n = 2), stent migration (n = 1), symptomatic granulation tissue formation (n = 1), severe pain (n = 1), improper stent location (n = 1), symptomatic sputum retention (n = 1) and esophagobronchial fistula (n = 1). Because of complications, five stents were removed with a retrieval hook under fluoroscopic guidance without difficulty. The median survival period and stent patency were 150.0 days ± 91.4 and 143.0 days ± 26.7, respectively. Conclusions: The use of a retrievable metallic stent internally coated with silicone is a safe and effective method for relieving dyspnea, with adequate stent patency in patients with benign or malignant central airway obstructions. This stent design seems to be less prone to migration or mucous retention.

Original languageEnglish (US)
Pages (from-to)1208-1214
Number of pages7
JournalJournal of Vascular and Interventional Radiology
Volume19
Issue number8
DOIs
StatePublished - Aug 1 2008
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

Fingerprint Dive into the research topics of 'Use of a Retrievable Metallic Stent Internally Coated with Silicone to Treat Airway Obstruction'. Together they form a unique fingerprint.

Cite this