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Self-expandable metallic stent for unresectable malignant strictures in the esophagus and cardia

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Objective

Self-expandable metallic stent (EMS) placement has been the first choice for dysphagia because of the certainty over its safety, low invasiveness, and immediate efficacy. However, there still remain some problems in relation to the EMS placement site and anticancer therapies before and after EMS placement. Methods: Consecutive 78 patients in whom EMS was placed due to the unresectable malignant stricture in the esophagus or cardia from July 1995 to August 2003 in our department were studied. Results: Gastroesophageal reflux was found in 5 of 8 patients after placement of conventional EMS for the stricture in the gastroesophageal junction. Meanwhile, acid and bile reflux into the esophagus were not detected by pH and bilirubin monitoring, respectively, in 6 patients after placement of the EMS with an anti-reflux mechanism for the stricture in the gastroesophageal junction. The median survival period of all patients after EMS placement was 123 days. The median survival period of 7 patients with radiotherapy only after EMS placement was 138 days and that of 17 patients with radiotherapy before EMS placement was 60 days, which was shorter than that of the former (p<0.05). On the other hand, the median survival period after hospital admission due to dysphagia of these 7 patients was longer than that of 17 patients with radiotherapy only before EMS placement, although, the difference was not significant. Conclusion: EMS with an antireflux mechanism is not commercially available in Japan and approval is urgently required. The indication of radiotherapy associated with EMS placement is to be studied further.

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Authors and Affiliations

  1. Departments of Gastroenterological Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan

    Shigeru Lee MD, Harushi Osugi MD, Taigo Tokuhara MD, Masashi Takemura MD, Masahiro Kaneko MD, Yoshinori Tanaka MD, Yushi Fujiwara MD, Satoshi Nishizawa MD, Hiroshi Iwasaki MD & Shigefumi Suehiro MD

  2. Cardiovascular Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan

    Shigefumi Suehiro MD

Authors
  1. Shigeru Lee MD
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  2. Harushi Osugi MD
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  3. Taigo Tokuhara MD
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  4. Masashi Takemura MD
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  5. Masahiro Kaneko MD
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  6. Yoshinori Tanaka MD
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  7. Yushi Fujiwara MD
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  8. Satoshi Nishizawa MD
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  9. Hiroshi Iwasaki MD
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  10. Shigefumi Suehiro MD
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Lee, S., Osugi, H., Tokuhara, T. et al. Self-expandable metallic stent for unresectable malignant strictures in the esophagus and cardia. Jpn J Thorac Caridovasc Surg 53, 470–476 (2005). https://doi.org/10.1007/s11748-005-0089-4

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  • DOI: https://doi.org/10.1007/s11748-005-0089-4

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