Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Efficacy of Retrievable Metallic Stent with Fixation String for Benign Stricture after Upper Gastrointestinal Surgery

  • Kim, Jeong-Eun (Department of Radiology, Seoul National University Hospital) ;
  • Kim, Hyo-Cheol (Department of Radiology, Seoul National University Hospital) ;
  • Lee, Myungsu (Department of Radiology, Seoul National University Hospital) ;
  • Hur, Saebeom (Department of Radiology, Seoul National University Hospital) ;
  • Kim, Minuk (Department of Radiology, Seoul National University Hospital) ;
  • Lee, Sang Hwan (Department of Radiology, Seoul National University Hospital) ;
  • Cho, Soo Buem (Department of Radiology, Seoul National University Hospital) ;
  • Kim, Chan Sun (Department of Radiology, Seoul National University Hospital) ;
  • Han, Joon Koo (Department of Radiology, Seoul National University Hospital)
  • Received : 2016.05.17
  • Accepted : 2016.07.31
  • Published : 2016.11.01
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Abstract

Objective: To determine the efficacy of retrievable metallic stent with fixation string for benign anastomotic stricture after upper gastrointestinal (UGI) surgery. Materials and Methods: From June 2009 to May 2015, a total of 56 retrievable metallic stents with fixation string were placed under fluoroscopy guidance in 42 patients who were diagnosed with benign anastomotic stricture after UGI surgery. Clinical success was defined as achieving normal regular diet (NRD). Results: The clinical success rate after the first stent placement was 57.1% (24/42). After repeated stent placement and/or balloon dilation, the clinical success rate was increased to 83.3% (35/42). Six (14.3%) patients required surgical revision to achieve NRD. One (2.4%) patient failed to achieve NRD. Stent migration occurred in 60.7% (34/56) of patients. Successful rate of removing the stent using fixation string and angiocatheter was 94.6% (53/56). Distal migration occurred in 12 stents. Of the 12 stents, 10 (83.3%) were successfully removed whereas 2 could not be removed. No complication occurred regarding distal migration. Conclusion: Using retrievable metallic stent with a fixation string is a feasible option for managing early benign anastomotic stricture after UGI surgery. It can reduce complications caused by distal migration of the stent.

Keywords

References

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