Related Experiment Video
Updated: May 5, 2026
Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision
Published on: June 13, 2025
Improved perioperative and short-term outcomes of robotic versus conventional laparoscopic colorectal operations
Mark A Casillas1, Stefan W Leichtle1, Wendy L Wahl1
1Department of Surgery, Division of Colon and Rectal Surgery, Saint Joseph Mercy Health System, 5325 Elliott Drive, Suite 104, Ann Arbor, MI, USA.
Background:
Robotic assistance may offer unique advantages over conventional laparoscopy in colorectal operations.
Methods:
This prospective observational study compared operative measures and postoperative outcomes between laparoscopic and robotic abdominal and pelvic resections for benign and malignant disease.
Results:
From 2005 through 2012, 200 (58%) laparoscopic and 144 (42%) robotic operations were performed by a single surgeon. After adjustment for differences in demographics and disease processes using propensity score matching, all laparoscopic operations had a significantly shorter operative time (P < .01), laparoscopic left colectomies had a longer length of hospital stay (2009 and 2010: 6.5 vs 3.6 days, P = .01); and laparoscopic right colectomies had a higher risk for overall complications (P = .03) and postoperative ileus (P = .04). There were no significant differences in the outcomes of pelvic operations (P = .15).
Conclusions:
Compared with conventional laparoscopy, some types of robotic-assisted colorectal operations may offer advantages regarding postoperative length of stay and perioperative complications.
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