Key result
Regional anesthesia yields 100% negative margins in high-risk colorectal cancer surgery.
Why the study?
Risk stratification tools such as ASA, POSSUM, and comorbidities have been shown to predict morbidity and mortality in colorectal surgery, but their comparative accuracy and simplicity require evaluation.
Cohort (n=53)
No
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Supports regional anesthesia feasibility in high-risk colorectal cancer surgery; hypothesis-generating pending prospective randomized comparisons.
Bowles et al. (2008) conducted a cohort in Colorectal cancer (n=53). Regional anesthesia was evaluated on Adherence to oncological standards (negative surgical margins). In high-risk patients with colorectal cancer (ASA 3-4), elective surgery under regional anesthesia achieved 100% negative surgical margins and a mean retrieval of 23.45 lymph nodes, demonstrating adherence to oncological standards.
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