Outcomes of colorectal stents when used as a bridge to curative resection in obstruction secondary to colorectal cancer

Philip Harvey, James Rees, Simon Baldwin, Hina Waheed, Jamie-Rae Tanner, Felicity Evison, Prashant Patel, Nigel Trudgill

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1 Citation (Scopus)
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BACKGROUND: Up to 25% of colorectal cancers present with bowel obstruction. Metal stents (MS) can provide a bridge to surgery by relieving obstruction and allowing the subject's condition to improve pre-operatively.

METHODS: Hospital Episode Statistics (HES) is a database of all NHS funded secondary care episodes in England. Subjects admitted with bowel obstruction secondary to colorectal cancer without metastases were identified and subdivided into two groups: MS insertion prior to surgery and surgery only. Due to demographic differences between the groups, propensity score matching was used to analyse procedural outcomes, mortality and readmission within 30 days in left-sided cancers based upon age, sex and Charlson co-morbidity score.

RESULTS: Over 10 years, 4571 subjects were identified; 401 received a MS and 4170 underwent surgery only. Median age of MS subjects was 71 (IQR 62-79) years; 226 (56.4%) were male. Median age of surgery-only subjects was 73 (64-81); 2165 (51.9%) were male. Following propensity matching 375 MS and 375 surgery-only subjects remained; MS had fewer readmissions within 30 days (28 (7.5%) versus 44 (11.7%), p = 0.047), fewer respiratory complications (< 6 (< 1.5%) versus 28 (7.5%), p < 0.001), lower stoma rates (49 (13.1%) versus 159 (42.4%), p < 0.001) and higher rates of laparoscopic surgery (154 (41.1%) versus 25 (6.7%), p < 0.001). Mortality was lower in the MS group at 30 days (7 (1.9%) versus 33 (8.8%), p < 0.001) and 1 year (37 (9.9%) versus 71 (19.0%), p < 0.001).

CONCLUSIONS: In subjects presenting with obstructing colorectal cancer outcomes including respiratory complications, readmission and mortality appear to be better in subjects undergoing MS as a bridge to surgery compared to surgery alone.

Original languageEnglish
Pages (from-to)1295-1302
Number of pages8
JournalInternational journal of colorectal disease
Issue number7
Early online date7 Jun 2019
Publication statusPublished - Jul 2019


  • Bowel obstruction
  • Colonic stent
  • Colorectal cancer
  • Colorectal surgery

ASJC Scopus subject areas

  • Gastroenterology


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