Abstract
OBJECTIVE: To investigate the impact of anastomotic leak (AL) on disease recurrence and long-term mortality in patients alive 120 days after curative resection for colonic cancer. BACKGROUND: There is no solid data as to whether AL after colonic cancer surgery increases the risk of disease recurrence. METHODS: This was a nationwide cohort study of 9333 patients, prospectively registered in the database of the Danish Colorectal Cancer Group and merged with data from the Danish Pathology Registry and the National Patient Registry. Multivariable Cox regression analysis was used to adjust for confounding. RESULTS: The incidence of AL was 6.4%, 744 patients died within 120 days. Of the remaining 8589 patients, 861 (10.0%) developed local recurrence with no association to AL [adjusted hazard ratio (HR) = 0.78; 95% confidence interval (CI): 0.55-1.12; P = 0.184]. Distant recurrence developed in 1281 (14.9%) patients and more frequently after AL (adjusted HR = 1.42; 95% CI: 1.13-1.78; P = 0.003). AL was also associated with increased long-term mortality (adjusted HR = 1.20; 95% CI: 1.01-1.44; P = 0.042). In 2841 patients with stage III cancer, AL was associated with both decreased likelihood of receiving adjuvant chemotherapy (adjusted HR = 0.58; 95% CI: 0.45-0.74; P < 0.001) and a delay to initial administration (16 days; 95% CI: 12-20 days; P < 0.001). CONCLUSIONS: AL was significantly associated with increased rates of distant recurrence and long-term all-cause mortality. Cancelled or delayed administration of adjuvant chemotherapy may partly account for these findings.
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Annals of Surgery |
| Vol/bind | 259 |
| Udgave nummer | 5 |
| Sider (fra-til) | 930-938 |
| Antal sider | 9 |
| ISSN | 0003-4932 |
| DOI | |
| Status | Udgivet - maj 2014 |
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