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Temporary metallic stent placement in the treatment of refractory benign esophageal strictures: results and factors associated with outcome in 55 patients

  • Interventional Radiology
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Abstract

The purpose of this study was to evaluate the effectiveness of temporary metallic stenting in 55 patients with treatment-resistant benign esophageal strictures and to identify factors associated with clinical outcomes. Under fluoroscopic guidance, covered retrievable stents were placed in 55 patients with benign esophageal strictures and were removed with retrieval hook 1 week to 6 months after placement. Stent placement was successful in all patients, and the mean dysphagia score was reduced from 2.8 to 1.3 (p < 0.001). The most common complications were tissue hyperproliferation (31%), severe pain (24%), and stent migration (25%). During follow-up (mean: 38 months), recurrence of the stricture necessitating balloon dilation was seen in 38 (69%) of 55 patients. Maintained patency rates after temporary stenting at 1, 3, and 6 months and 1, 2, and 4 years were 58%, 43%, 38%, 33%, 26%, and 21%, respectively. In multivariate analysis, length (p = 0.003) of the stricture was the only significant factor associated with maintained patency after temporary stenting. In conclusion, temporary metallic stenting for refractory benign esophageal strictures may be effective during the period of stent placement, but is disadvantaged by the high recurrence rates after stent removal, particularly in patients with a long length of stricture (>7 cm).

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Authors and Affiliations

  1. Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 388-1 Pungnap-2dong, Songpa-gu, Seoul, 138-736, Korea

    Jin Hyoung Kim, Ho-Young Song, Kyung Rae Kim, Ji Hoon Shin & Jin-Oh Lim

  2. Weill Medical College of Cornell University, 1300 York Avenue, New York, NY, 10021, USA

    Eugene K. Choi

  3. Department of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 388-1 Poongnap-2 Dong, Songpa-Gu, 138-736, Seoul, Korea

    Ho-Young Song

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  1. Jin Hyoung Kim
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  2. Ho-Young Song
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  3. Eugene K. Choi
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  4. Kyung Rae Kim
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  5. Ji Hoon Shin
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  6. Jin-Oh Lim
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Correspondence to Ho-Young Song.

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Kim, J.H., Song, HY., Choi, E.K. et al. Temporary metallic stent placement in the treatment of refractory benign esophageal strictures: results and factors associated with outcome in 55 patients. Eur Radiol 19, 384–390 (2009). https://doi.org/10.1007/s00330-008-1151-2

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  • DOI: https://doi.org/10.1007/s00330-008-1151-2

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