Risk Factors for Local Recurrence after Emergency Resection for Colon Cancer: Scenario in Sweden

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Abstract

Background/Aims:

Patients undergoing emergency resection for colon cancer have a worse outcome both in terms of short- and long-term survival than those having elective surgery. The aim of this population-based study was to determine factors associated with increased risk for local recurrence following emergency resection.

Methods:

The Stockholm-Gotland Healthcare Region Colon Cancer Register was used to identify all colon cancer patients who had undergone emergency colon resection with curative intent in that region 1997-2007. Patient records were scrutinised to obtain any missing information. The influence of the following factors was assessed: indication for emergency resection; time between admission and surgery; surgery daytime or at night; American Association of Anesthesiologists score; volume of blood lost; and T- and N-stage. Our endpoint was loco-regional recurrence.

Results:

Apart from stage, perforation as indication for emergency surgery was the only factor that influenced the risk for local recurrence (hazard ratio 1.96; 95% CI 1.12-3.43).

Conclusion:

In this study, the only factor associated with local recurrence after emergency resection for colon cancer was preoperative perforation. This implies that changes in our current management algorithm would be unlikely to lead to improvement. Efforts should therefore concentrate on reducing the proportion of patients operated on an emergency basis.

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