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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Intraoperative Tumor Perforation is Associated with Decreased 5-Year Survival in Colon Cancer: A Nationwide Database Study

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BACKGROUND: It is a widely held belief that intraoperative tumor perforation in colon cancer impairs survival and causes local recurrence, although the prognostic importance remains unclear.

AIM: The aim of this study was to assess the effect of unintended intraoperative tumor perforation on postoperative mortality and long-term survival.

MATERIAL AND METHODS: This national cohort study was based on data from a prospectively maintained nationwide colorectal cancer database. We included 16,517 colon cancer patients who were resected with curative intent from 2001 to 2012.

RESULTS: Intraoperative tumor perforation produced a significantly impaired 5-year survival of 40% compared to 64% in non-perforated colon cancer. Intraoperative tumor perforation was an independent risk factor for death, hazard ratio 1.63 (95% confidence interval: 1.4-1.94), with a significantly increased 90-day postoperative mortality of 17% compared to 7% in non-perforated tumors, p < 0.001. We showed that tumor fixation, emergency operations, and laparotomies were associated with an increased risk of intraoperative tumor perforation.

CONCLUSION: This nationwide study demonstrates that intraoperative tumor perforation in colon cancer is associated with statistically significant reduced long-term survival and increased postoperative mortality.

Original languageEnglish
JournalScandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society
Volume106
Issue number3
Pages (from-to)202-210
Number of pages9
DOIs
Publication statusPublished - Sep 2017

    Research areas

  • Journal Article

ID: 52665860