Anastomotic leakage after surgery for rectal cancer: a risk factor of local recurrence, distant metastasis and reduced cancer-specific survival?

Fredrik Jörgren, R Johansson, L Damber, Gudrun Lindmark

Research output: Contribution to journalArticlepeer-review

46 Citations (SciVal)

Abstract

ABSTRACT Background We explored the impact of anastomotic leakage (AL) on the oncological outcome after anterior resection (AR) for rectal cancer which is still controversial.. Local recurrence (LR) and overall recurrenc(OAR) and cancer-specific survival were analysed. Method Patients undergoing AR for rectal cancer with a registered AL between 1995 and 1997 and a control group were identified in the Swedish Rectal Cancer Registry. The medical records were retrieved for additional data and validation. Differences in the oncological outcome at 5 year follow-up were analysed with multivariate methods. Results After validation, 114 patients with AL and 136 controls with locally radical surgery for tumours of TNM stages I-III were analysed. There was no difference detected between patients with AL and controls regarding rates of LR [8% (9/114) vs 9% (12/136); P=0.97], distant metastasis [18% (20/114) vs 23% (31/136); P=0.37] and OAR [19% (22/114) vs 28% (38/136); P=0.15]. The 5 year cancer specific survival was almost 80% in both groups. In multivariate analysis, AL was not a risk factor for LR, distant metastasis or OAR and had no impact on 5 year overall or 5 year cancer specific survival. Irrespective of the occurrence of AL, preoperative radiotherapy (P=0.055) and rectal washout (P=0.046) reduced the LR rate, but did not influence survival. Conclusion AL was not proven to be a risk factor for worse oncological outcome. Hence additional adjuvant treatment or extended follow-up on the basis of the occurrence of AL after AR might not be justified.
Original languageEnglish
Pages (from-to)272-283
JournalColorectal Disease
Volume13
Issue number3
DOIs
Publication statusPublished - 2011

Subject classification (UKÄ)

  • Surgery

Keywords

  • survival rate
  • neoplasm metastasis
  • neoplasm recurrence
  • anastomosis
  • Rectal neoplasm
  • anterior resection

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