J Dig Cancer Res.  2021 Dec;9(2):43-49. 10.52927/jdcr.2021.9.2.43.

Postoperative Clinical Outcomes of Colonic Stent Placement as Bridge-to-surgery vs. Emergency Surgery in Left-sided Malignant Colonic Obstruction

Affiliations
  • 1Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea

Abstract

Background/Aims
Colonic stenting as a bridge to elective surgery is an alternative for emergency surgery in patients with acute malignant colonic obstruction. However, since its benefits are uncertain, we aimed to establish whether it has better clinical outcomes.
Methods
The patients with acute malignant left-sided colon obstruction enrolled from January 2009 to December 2018 in National Health Insurance Service Ilsan Hospital. The patients were enrolled to undergo colonic stenting as a bridge to elective surgery or emergency surgery. The following oncological outcomes were assessed: incidence of complete remission, disease progression, local recurrence, and systemic recurrence.
Results
Out of 40 patients, 33 received self-expanding metallic stent (SEMS) as a bridge-tosurgery, and 7 underwent emergency surgery. More stoma was made in case of emergency surgery with statistical significance (p < 0.001). There were no significant differences in complete remission rate in curable left-sided malignant colonic obstruction between SEMS as a bridgeto-surgery and emergency surgery. Complete remission was achieved for 3 patients (42.9%) in the non-stent group and 27 patients (81.8%) in the stent group. There was no statistically significant difference in oncologic outcomes between the two groups (p = 0.069). According to multi-variate analysis, advanced TNM stage, Adjuvant chemotherapy, and SEMS bridge-tosurgery were significantly associated with disease-free survival. Disease-free survival rate differed significantly between the two groups (p = 0.024).
Conclusions
SEMS as a bridge-to-surgery might be an effective strategy and reduce stoma formation in acute malignant left-sided colon obstruction.

Keyword

Colon cancer; Colonic obstruction; Self expandable metallic stent; mergency treatment; Surgery
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