Abstract
We introduced the robotic NICE procedure for left-sided colorectal resection in 2018 in which the entire procedure is performed without loss of pneumoperitoneum and without an abdominal wall incision by performing natural orifice-assisted transrectal extraction of the specimen and intracorporeal anastomosis. We compare the results of the NICE procedure versus conventional laparoscopic resection, which was our standard approach prior to 2018. A matched pair case-control study compared patients following the NICE procedure versus those who underwent laparoscopic left-sided colorectal resection with conventional extracorporeal-assisted technique. Cases were performed at an Academic Medical Center and recorded in a prospective database to analyze perioperative outcomes. From a total cohort of 352 patients, 83 were matched in each group. When comparing the NICE procedure vs. the Extracorporeal-Assisted laparoscopic group, there were no significant differences in age (58.5 vs. 59.3years old), sex (47 vs. 42 Female), body mass index (27.4 vs. 27.5kg/m2), ASA, diagnosis, or type of surgery. Operative time (198.8 vs. 197.7min), blood loss (56.0 vs. 53.3ml), intraoperative complications (0.0% vs. 0.0%), and conversion rates (0.0% vs. 0.0%) were similar in both groups. The NICE procedure was associated with significantly earlier return of bowel function (40.7 vs. 23.6h), shorter length of stay (3.1 vs. 2.2days), and lower total opioid use (94.6 vs. 70.5 morphine milligram equivalents). Overall, there were no differences in postoperative abscess formation, complications, readmission, or reoperation rates. When compared to conventional laparoscopic resection, the NICE procedure is associated with short-term benefits including earlier recovery and less opioid use without increased operative time or increased risk of complications. Multicenter studies are recommended to validate benefits and limitations of this technique.
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