Anaesthetic technique and outcomes after colorectal cancer surgery

Vera Crone, Rune Petring Hasselager, Tina Fransgaard, Ismail Gögenur

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INTRODUCTION: Previous studies have suggested that choice of anaesthesia can affect long-term outcome. In this study, the association between type of anaesthesia and outcomes in terms of survival, recurrence, post-operative complications and recovery after surgery for colorectal cancer was investigated in an Enhanced Recovery after Surgery (ERAS) setting.

METHODS: This was a retrospective study including patients undergoing elective curative-intended surgery for colorectal cancer between April 2013 and May 2015 at Zealand University Hospital, Denmark. Patients were stratified by anaesthetic technique. The primary outcome was cancer recurrence. Cox regression analyses were used for time-to-event variables; recurrence, disease-free survival, mortality, length of hospitalisation and time to bowel movement. Odds ratios for post-operative complications and time to discharge were estimated using logistic regression.

RESULTS: A total of 534 patients were included, 51 were exposed to inhalational anaesthesia and 483 had total intravenous anaesthesia. We found no statistically significant difference in recurrence (hazard ratio (HR) = 0.70; 95% confidence interval (CI): 0.21-1.68; p = 0.421). Patients in the inhalational aneasthesia group had a significantly lower chance of discharge per post-operative day (HR = 0.66; 95% CI: 0.48-0.91; p = 0.012). The same was seen for time to bowel movement (HR = 0.65; 95% CI: 0.46-0.90; p = 0.011). No statistically significant differences were seen for the other outcomes.

CONCLUSION: Anaesthetic technique might influence time to discharge and bowel function in an ERAS setting.

FUNDING: none TRIAL REGISTRATION: The study was approved by the Danish Data Protection Agency (record number 2008-58-0020). Under Danish law, consent from participants is not required in observational studies.

TidsskriftDanish Medical Journal
Udgave nummer4
StatusUdgivet - apr. 2020

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