T Jäger1, C Nawara2, D Neureiter3, J Holzinger2, D Öfner-Velano2,4, A Dinnewitzer2. 1. Universitätsklinik für Chirurgie, Paracelsus Medizinische Privatuniversität, Salzburg, Österreich. ta.jaeger@salk.at. 2. Universitätsklinik für Chirurgie, Paracelsus Medizinische Privatuniversität, Salzburg, Österreich. 3. Institut für Pathologie, Paracelsus Medizinische Privatuniversität, Salzburg, Österreich. 4. Universitätsklinik für Visceral-, Transplantations- und Thoraxchirurgie, Department Operative Medizin, Medizinische Universität, Innsbruck, Österreich.
Abstract
BACKGROUND: The occurrence of anastomotic leakage (AL) after sphincter preserving anterior rectal resection in patients with rectal cancer is associated with increased morbidity and mortality. The impact of AL on long-term survival has, however, still not been sufficiently investigated and is currently the subject of controversial discussion. OBJECTIVES: The aim of this study was to investigate the impact of AL on long-term survival in patients with Union of International Cancer Control (UICC) (y)0-III stage mid-to-low rectal cancer who underwent sphincter preserving rectal resection. MATERIAL AND METHODS: A total of 108 patients with a mid-to-low rectal cancer (UICC stage (y)0-III) who underwent sphincter preserving surgery between January 2003 and October 2010 were identified within the institutional prospective colorectal cancer database. The impact of AL on 5-year overall (OS), cancer specific (CSS) and relapse-free survival (RFS) was investigated. RESULTS: The overall leakage rate was 17.6 % (grade A 4.6 %, grade B 4.6 % and grade C 8.3 %). After a median follow-up of 70 months (range 24-123 months), patients with an anastomotic leakage had a significantly decreased 5-year OS (63.6 % versus 87.8 %, p = 0.02), CSS (72.2 % versus 93.5 %, p = 0.02) and RFS rate (61.1 % versus 84.2 %, p = 0.01). In univariable Cox regression analysis AL was associated with an unfavorable OS (hazard ratio HR 3.05, 95 % CI: 1.11-8.39, p = 0.03), CSS (HR 4.21, 95 % CI: 1.13-15.70, p = 0.03) and RFS (HR 3.02, 95 % CI: 1.20-7.58, p = 0.02). CONCLUSION: In the study cohort anastomotic leakage after sphincter preserving anterior resection in patients with mid-to-low rectal cancer was associated with a significantly unfavorable impact on overall and oncological survival.
BACKGROUND: The occurrence of anastomotic leakage (AL) after sphincter preserving anterior rectal resection in patients with rectal cancer is associated with increased morbidity and mortality. The impact of AL on long-term survival has, however, still not been sufficiently investigated and is currently the subject of controversial discussion. OBJECTIVES: The aim of this study was to investigate the impact of AL on long-term survival in patients with Union of International Cancer Control (UICC) (y)0-III stage mid-to-low rectal cancer who underwent sphincter preserving rectal resection. MATERIAL AND METHODS: A total of 108 patients with a mid-to-low rectal cancer (UICC stage (y)0-III) who underwent sphincter preserving surgery between January 2003 and October 2010 were identified within the institutional prospective colorectal cancer database. The impact of AL on 5-year overall (OS), cancer specific (CSS) and relapse-free survival (RFS) was investigated. RESULTS: The overall leakage rate was 17.6 % (grade A 4.6 %, grade B 4.6 % and grade C 8.3 %). After a median follow-up of 70 months (range 24-123 months), patients with an anastomotic leakage had a significantly decreased 5-year OS (63.6 % versus 87.8 %, p = 0.02), CSS (72.2 % versus 93.5 %, p = 0.02) and RFS rate (61.1 % versus 84.2 %, p = 0.01). In univariable Cox regression analysis AL was associated with an unfavorable OS (hazard ratio HR 3.05, 95 % CI: 1.11-8.39, p = 0.03), CSS (HR 4.21, 95 % CI: 1.13-15.70, p = 0.03) and RFS (HR 3.02, 95 % CI: 1.20-7.58, p = 0.02). CONCLUSION: In the study cohort anastomotic leakage after sphincter preserving anterior resection in patients with mid-to-low rectal cancer was associated with a significantly unfavorable impact on overall and oncological survival.
Entities:
Keywords:
Anastomotic leakage; Long term survival; Low anterior resection; Rectal cancer; Sphincter preservation
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