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Clinical outcomes of self-expandable metal stents for malignant rectal obstruction

Authors
 Hyun Lee  ;  Sung Hong  ;  Jae Cheon  ;  Tae Kim  ;  Won Kim  ;  Soo Park 
Citation
 DISEASES OF THE COLON & RECTUM, Vol.61(1) : 43-50, 2018 
Journal Title
 DISEASES OF THE COLON & RECTUM 
ISSN
 0012-3706 
Issue Date
2018
MeSH
Aged ; Colonic Neoplasms/complications* ; Colorectal Neoplasms/complications ; Female ; Humans ; Intestinal Obstruction/etiology ; Intestinal Obstruction/therapy* ; Male ; Middle Aged ; Neoplasms/complications ; Palliative Care ; Prosthesis Implantation*/adverse effects ; Rectal Neoplasms/complications* ; Risk Factors ; Self Expandable Metallic Stents*/adverse effects ; Treatment Outcome
Abstract
BACKGROUND: Self-expandable metal stents are widely used to treat malignant colorectal obstruction. However, data on clinical outcomes of stent placement for rectal obstruction specifically are lacking. OBJECTIVE: We aimed to investigate the clinical outcomes of self-expandable metal stents in malignant rectal obstruction in comparison with those in left colonic obstruction and to identify factors associated with clinical failure and complication. DESIGN: This was a retrospective study. SETTINGS: The study was conducted at a tertiary care center. PATIENTS: Between January 2005 and December 2013, medical charts of patients who underwent stent placement for malignant rectal or left colonic obstruction were reviewed retrospectively. INTERVENTION: Study intervention included self-expandable metal stent placement. MAIN OUTCOME MEASURES: Technical success, clinical success, and complications were measured. RESULTS: Technical success rates for the 2 study groups (rectum vs left colon, 93.5% vs 93.1%; p = 0.86) did not differ significantly; however, the clinical success rate was lower in patients with rectal obstruction (85.4% vs 92.1%; p = 0.02). In addition, the complication rate was higher in patients with rectal obstruction (37.4% vs 25.1%; p = 0.01). Patients with rectal obstruction showed higher rates of obstruction because of extracolonic malignancy (33.8% vs 15.8%; p < 0.001) and stent use for palliation (78.6% vs 56.3%; p < 0.001). Multivariate analysis indicated obstruction attributed to extracolonic malignancy and covered stent usage to be independent risk factors for clinical failure. Factors predictive of complications in the palliative group were total obstruction, obstruction because of extracolonic malignancy, and covered stent usage. LIMITATIONS: This was a retrospective, single-center study. CONCLUSIONS: The efficacy and safety of stent placement for malignant rectal obstruction were comparable with those for left colonic obstruction. However, obstruction attributed to extracolonic malignancy, use of covered stents, and total obstruction negatively impacted clinical outcomes of self-expandable metal stent placement and must be considered by endoscopists. See Video Abstract at http://links.lww.com/DCR/A417.
Full Text
https://insights.ovid.com/pubmed?pmid=29215476
DOI
10.1097/DCR.0000000000000910
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Won Ho(김원호) ORCID logo https://orcid.org/0000-0002-5682-9972
Kim, Tae Il(김태일) ORCID logo https://orcid.org/0000-0003-4807-890X
Park, Soo Jung(박수정)
Lee, Hyun Jung(이현정)
Cheon, Jae Hee(천재희) ORCID logo https://orcid.org/0000-0002-2282-8904
Hong, Sung Pil(홍성필)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/167500
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