An Observational Study of Oncological and Short-Term Outcomes in Laparoscopic Colon Surgery

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Abstract Objective: The advancement of colorectal surgery through laparoscopic approach has represented one of the greatest challenges for digestive surgeons in the modern era. The questioning of this approach oncological quality and radical nature was for many years the cause of the delay in its implementation in colonic pathology, mainly malignant. Our objective is to share the results and analysis of the oncological quality of work we do in the Coloproctology Section of Médica Uruguaya (MUCAM). Methods: This is a descriptive, retrospective, observational study on a prospective database of patients over 15 years of age undergoing consecutive laparoscopic colon surgery. Scheduled between December 2008 and December 2022 at MUCAM. 432 patients were operated on (377 cancer patients). Demographical population carachteristics, hospital stay, suture leakage, reinterventions, 90 days mortality, nodal harvest, overall survival, cancer-related survival, disease-free survival. Results: Our series including 53% women and 47% men, with an average age of 62.6 years (15-90 years). The average hospital stay was 4 days. We reported 5.5% suture leakage, 11.3% reinterventions and 3.2% mortality at 90 days. The average nodal harvest was 16. Overall survival was 77.7% and 65.5% at 5 and 10 years, and cancer-related survival was 82.7% and 79.2% at 5 and 10 years. Median survival was 136.6 months. The 5-year survival for Stage 0 is 96.6%, EI 91.7%, IBD 92.8%, EIII 80.3%, EIV 35.2 Our study has the limitation of being a retrospective study of a case series in a single health institution. Conclusions: The above results show that laparoscopic colon surgery is feasible and safe in our environment, and are comparable with large prospective, randomized, multicenter studies.

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