Surgery Today

, Volume 49, Issue 1, pp 32–37 | Cite as

Benefits of using a self-expandable metallic stent as a bridge to surgery for right- and left-sided obstructive colorectal cancers

  • Shunji MoritaEmail author
  • Kansuke Yamamoto
  • Atsuhiro Ogawa
  • Atsushi Naito
  • Hitoshi Mizuno
  • Shinichi Yoshioka
  • Tae Matsumura
  • Katsuya Ohta
  • Rei Suzuki
  • Chu Matsuda
  • Taishi Hata
  • Junichi Nishimura
  • Tsunekazu Mizushima
  • Yuichiro Doki
  • Masaki Mori
  • Clinical Study Group of Osaka University (CSGO), Colorectal Group
Original Article



To assess the benefit of placing a self-expandable metallic stent (SEMS) as a bridge to surgery for obstructive colorectal cancer (OCRC) according to the tumor site.


The subjects of this retrospective multicenter cohort study were 201 patients with OCRC, but without initial bowel perforation, who were treated either with a self-expandable metallic stent (SEMS) as a bridge to surgery (n = 109) or with primary surgery (PS; n = 92) between 2014 and 2016. The cohort consisted of 68 patients with right-sided and 133 left-sided OCRC. We evaluated the short-term surgical outcomes for each side.


The SEMS group of patients with left-sided OCRC had significantly higher rates of primary resection, primary resection with anastomosis, stoma-free surgery, and laparoscopic surgery than the PS group of patients with left-sided OCRC. In contrast, the SEMS group of patients with right-sided OCRC had only a significantly higher rate of laparoscopic surgery than the PS group of patients with right-sided OCRC, but they had a longer overall hospital stay. There were no significant differences between the two treatment groups in the rates of morbidity or mortality, for either right-sided or left-sided OCRC.


The benefit of a SEMS as a bridge to surgery may be less for right-sided than for left-sided obstructions in colon cancer patients.


Self-expandable metallic stent (SEMS) Bridge to surgery Colorectal cancer 



We thank the collaborators in the institutions belonging to the CSGO: M. Miyake (National Hospital Organization, Osaka National Hospital), N. Miyoshi (Osaka International Cancer Institute), H. Tamagawa (Otemae Hospital), H. Ohta (Ikeda Municipal Hospital), Y. Nushijima (Suita Municipal Hospital), K. Danno (Osaka General Medical Center), H. Takemoto (Kinki Central Hospital of the Mutual Aid Association of Public School Teachers), Y. Fumimoto (Tondabayashi Hospital), and I. Ohashi (Hannan Chuo Hospital).

Compliance with ethical standards

Conflict of interest

Shunji Morita and his co-authors have no conflicts of interest to declare.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Shunji Morita
    • 1
  • Kansuke Yamamoto
    • 2
  • Atsuhiro Ogawa
    • 3
  • Atsushi Naito
    • 4
  • Hitoshi Mizuno
    • 5
  • Shinichi Yoshioka
    • 6
  • Tae Matsumura
    • 7
  • Katsuya Ohta
    • 8
  • Rei Suzuki
    • 9
  • Chu Matsuda
    • 10
  • Taishi Hata
    • 10
  • Junichi Nishimura
    • 11
  • Tsunekazu Mizushima
    • 10
  • Yuichiro Doki
    • 10
  • Masaki Mori
    • 10
  • Clinical Study Group of Osaka University (CSGO), Colorectal Group
  1. 1.Department of SurgeryToyonaka Municipal HospitalToyonakaJapan
  2. 2.Department of SurgeryBell Land General HospitalSakaiJapan
  3. 3.Department of SurgeryTane General HospitalOsakaJapan
  4. 4.Department of SurgeryKansai Rosai HospitalAmagasakiJapan
  5. 5.Department of SurgeryNissay HospitalOsakaJapan
  6. 6.Department of SurgeryNishinomiya Municipal Central HospitalNishinomiyaJapan
  7. 7.Department of SurgeryOsaka Rosai HospitalSakaiJapan
  8. 8.Department of Gastroenterological SurgeryHigashiosaka City Medical CenterHigashiosakaJapan
  9. 9.Department of SurgeryItami City HospitalItamiJapan
  10. 10.Department of Gastroenterological SurgeryOsaka University Graduate School of MedicineSuitaJapan
  11. 11.Department of Gastrointestinal SurgeryOsaka International Cancer InstituteOsakaJapan

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