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Br J Anaesth. 2011 Aug;107(2):164-70. doi: 10.1093/bja/aer100. Epub 2011 May 17.

Reduction in mortality after epidural anaesthesia and analgesia in patients undergoing rectal but not colonic cancer surgery: a retrospective analysis of data from 655 patients in central Sweden.

Author information

1
Department of Anaesthesiology and Intensive Care, University Hospital, Orebro, Sweden. anil.gupta@orebroll.se

Abstract

BACKGROUND:

There is some evidence that epidural analgesia (EDA) reduces tumour recurrence after breast and prostatic cancer surgery. We assessed whether EDA reduces long-term mortality after colorectal cancer surgery.

METHODS:

All patients having colorectal cancer surgery between January 2004 and January 2008 at Linköping and Örebro were included. Exclusion criteria were: emergency operations, laparoscopic-assisted colorectal resection, and stage 4 cancer. Statistical information was obtained from the Swedish National Register for Deaths. Patients were analysed in two groups: EDA group or patient-controlled analgesia (PCA group) as the primary method of analgesia.

RESULTS:

A total of 655 patients could be included. All-cause mortality for colorectal cancer (stages 1-3) was 22.7% (colon: 20%, rectal: 26%) after 1-5 yr of surgery. Multivariate regression analysis identified the following statistically significant factors for death after colon cancer (P<0.05): age (>72 yr) and cancer stage 3 (compared with stage 1). A similar model for rectal cancer found that age (>72 yr) and the use of PCA rather than EDA and cancer stages 2 and 3 (compared with stage 1) were associated with a higher risk for death. No significant risk of death was found for colon cancer when comparing EDA with PCA (P=0.23), but a significantly increased risk of death was seen after rectal cancer when PCA was used compared with EDA (P=0.049) [hazards ratio: 0.52 (0.27-1.00)].

CONCLUSIONS:

We found a reduction in all-cause mortality after rectal but not colon cancer in patients having EDA compared with PCA technique.

PMID:
21586443
DOI:
10.1093/bja/aer100
[Indexed for MEDLINE]
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