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Published in: Annals of Surgical Oncology 7/2015

01-07-2015 | Colorectal Cancer

Robotic Rectal Cancer Resection: A Retrospective Multicenter Analysis

Authors: Minia Hellan, MD, FACS, James Ouellette, DO, Jorge A. Lagares-Garcia, MD, Stephen M. Rauh, MD, Harold L. Kennedy, MD, John D. Nicholson, MD, David Nesbitt, MD, Craig S. Johnson, MD, Alessio Pigazzi, MD, PhD

Published in: Annals of Surgical Oncology | Issue 7/2015

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Abstract

Background

Conventional laparoscopy has been applied to colorectal resections for more than 2 decades. However, laparoscopic rectal resection is technically demanding, especially when performing a tumor-specific mesorectal excision in a difficult pelvis. Robotic surgery is uniquely designed to overcome most of these technical limitations. The aim of this study was to confirm the feasibility of robotic rectal cancer surgery in a large multicenter study.

Methods

Retrospective data of 425 patients who underwent robotic tumor-specific mesorectal excision for rectal lesions at seven institutions were collected. Outcome data were analyzed for the overall cohort and were stratified according to obese versus non-obese and low versus ultra-low resection patients.

Results

Mean age was 60.9 years, and 57.9 % of patients were male. Overall, 51.3 % of patients underwent neoadjuvant therapy, while operative time was 240 min, mean blood loss 119 ml, and intraoperative complication rate 4.5 %. Mean number of lymph nodes was 17.4, with a positive circumferential margin rate of 0.9 %. Conversion rate to open was 5.9 %, anastomotic leak rate was 8.7 %, with a mean length of stay of 5.7 days. Operative times were significantly longer and re-admission rate higher for the obese population, with all other parameters comparable. Ultra-low resections also had longer operative times.

Conclusion

Robotic-assisted minimally invasive surgery for the treatment of rectal cancer is safe and can be performed according to current oncologic principles. BMI seems to play a minor role in influencing outcomes. Thus, robotics might be an excellent treatment option for the challenging patient undergoing resection for rectal cancer.
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Metadata
Title
Robotic Rectal Cancer Resection: A Retrospective Multicenter Analysis
Authors
Minia Hellan, MD, FACS
James Ouellette, DO
Jorge A. Lagares-Garcia, MD
Stephen M. Rauh, MD
Harold L. Kennedy, MD
John D. Nicholson, MD
David Nesbitt, MD
Craig S. Johnson, MD
Alessio Pigazzi, MD, PhD
Publication date
01-07-2015
Publisher
Springer US
Published in
Annals of Surgical Oncology / Issue 7/2015
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-014-4278-1

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