Aim Older colorectal cancer (CRC) patients are at increased risk of postoperative morbidity and mortality. Routine postoperative overnight intensive care unit (ICU) admission might reduce this risk. This study aimed to examine the effect of routine overnight ICU admission after CRC surgery on postoperative adverse outcomes and costs in patients aged 80 years or older. Methods Patients aged 80 years or older who underwent CRC surgery in our centre were included in this observational cohort study. All patients in the period 2014–2017 with routine overnight ICU admission were assigned to the ICU cohort; all patients in the period 2009–2013 were assigned to the non‐ICU cohort. Multivariable logistic regression was performed to compare the primary composite end‐point (30‐day mortality, serious complications and readmission) between the groups. Cost data from the literature were used to perform a cost analysis. Results A total of 242 patients were included, 125 in the ICU cohort and 117 in the non‐ICU cohort. Routine overnight ICU admission was associated with a reduced risk of the composite end‐point (OR 0.44, 95% CI 0.22–0.87, P = 0.02) after adjusting for important confounders. In the ICU cohort 28% of patients experienced ICU events requiring intervention; this was not associated with postoperative morbidity or mortality. The 9% reduction in the incidence of serious complications in the ICU cohort is sufficient to offset the additional costs of routine overnight ICU admission. Conclusion Routine overnight ICU admission after CRC surgery in patients aged 80 years and older is associated with reduced risk of postoperative mortality and morbidity and seems to be cost‐effective.

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BACKGROUND:The superiority of robot-assisted over laparoscopic total mesorectal excision has not been proven. Most studies do not consider the learning curve while comparing the surgical technique. OBJECTIVE:This study aims to compare laparoscopic with robot-assisted total mesorectal excision performed by surgeons who completed the learning curve of the technique.DESIGN: This is a multicenter retrospective propensity score-matched analysis. SETTINGS:The study was performed in 2 large, dedicated robot-assisted hospitals and 5 large, dedicated laparoscopic hospitals. PATIENTS:Patients were included if they underwent a robot-assisted or laparoscopic total mesorectal excision for rectal cancer with curative intent at a dedicated center for the minimally invasive technique between

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