TME for rectal cancer: consecutive 70 patients treated with laparoscopic and robotic technique—cumulative experience in a single centre

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Abstract
From January 2011 to December 2015, 70 consecutive patients underwent either laparoscopic surgery (LS) or robotic surgery (RS) total mesorectal excision (TME) for malignancy. Data were prospectically recorded in a dedicated local database including ASA score, age, operative time, conversion rate, re-operation rate, early complications, length of stay, and pathological results. We enrolled 70 consecutive patients, 35 treated with LS (18 M, 17 F), 35 treated with RS (23 M, 12 F). Median total operative time was 225 min in LS group (IQR 194–255) and 252.5 min for RS group (IQR 214–300). Median first flatus time was 2 days for LS group (IQR 1–3) and 1 day for RS group (IQR 1–2). Stool discharge time (median) was 4 days for LS group (IQR 2–5) and 2 days for RS group (IQR 1–3). Length of stay (median) was 8 days in LS group (IQR 7–10) and 7 days in RS group (IQR 5–8). It was not found any statistically significant difference between the two groups when we analyzed the number nodes harvested the postoperative complications. The 30 day mortality was 0% in both two groups. The conversion rate for LS group was 23% (8/35 pts) and that for RS group was 0% (0/35). The RS may overcome technical limitations of LS. In our experience, it is a feasible and safe technique, it achieves better clinical outcomes due to the lower conversion rate compared to LS, although with higher costs.

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