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Digestive Disease Interventions 2018; 02(01): 046-052
DOI: 10.1055/s-0038-1639609
Review Article
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA

Metallic Stent for Malignant Colorectal Obstruction

Yozo Sato
1   Department of Diagnostic and Interventional Radiology, Aichi Cancer Center Hospital, Nagoya, Japan
,
Yoshitaka Inaba
1   Department of Diagnostic and Interventional Radiology, Aichi Cancer Center Hospital, Nagoya, Japan
› Author Affiliations
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Publication History

20 November 2017

13 February 2018

Publication Date:
20 April 2018 (online)

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Abstract

Acute colorectal obstruction has been often reported as a secondary outcome of left-colonic malignancy. It is considered as a common emergency condition. Self-expandable metallic stent (SEMS) placement is widely used as a palliative treatment for the management of malignant colorectal obstruction (MCRO). SEMS placement is also deliberated as a bridge to surgery. With advances in technology, several recent studies of SEMS placement for MCRO indicated high technical (94–98%) and clinical (91–93%) success rates. The complication rate associated with SEMS is quite acceptable. However, long-term outcomes are still unclear. The symptoms should be carefully monitored before application of SEMS, particularly in patients who are eligible for systemic chemotherapy and in patients with a long life expectancy because of late complications such as reobstruction, stent migration, and perforation. Appropriate patient selection and placement technique are keys for the successful implementation of SEMS.

Keywords

self-expandable metallic stent - malignant colorectal obstruction - bridge to surgery - palliative setting
 

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