Abstract
Purpose
The aim of this study was to investigate outcome after robot-assisted rectal cancer surgery (RARCS). We focused on conversion rate, postoperative complications, pathological evaluation (adequacy of resection margins), and bowel function (low anterior resection syndrome (LARS)) 1 year after surgery.
Methods
An observational study of prospectively registered patients with data obtained from medical records. Data comprise the initial 208 rectal cancer patients operated with robot-assisted surgery at a single Danish university hospital from October 2011 to October 2014.
Results
In total, 27 procedures (13%) were converted to open surgery, and 23 of the 27(85%) conversions were in the obese and overweight patients. The anastomotic leak rate was 12 (9%), and further 5 (2%) developed a complication requiring re-operation (ileus, bleeding, wound abscess). In total, 14 (7%) patients had a circumferential resection margin (CRM) ≤ 1 mm (R1-resection). In regard to bowel function, 15/22 (68%) of TME patients had major LARS at 6 months follow-up but at 12 months follow-up this proportion was reduced to 18/34 (53%).
Conclusions
The outcomes after RARCS at a single high-volume university center are overall comparable to outcomes reported from laparoscopic surgery. The results are satisfying because they are achieved during implementation of RARCS. Randomized trials are, however, needed and focus should especially be on long-term follow-up in regard to functional outcome.
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Sanne Harsløf, Anders Stouge, Sissel Ravn, Søren Laurberg, and Lene Hjerrild Iversen have no conflicts of interest or financial ties to disclose. Niels Thomassen has been a proctor; Intuitive Surgical since October 2013.
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Harsløf, S., Stouge, A., Thomassen, N. et al. Outcome one year after robot-assisted rectal cancer surgery: a consecutive cohort study. Int J Colorectal Dis 32, 1749–1758 (2017). https://doi.org/10.1007/s00384-017-2880-y
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DOI: https://doi.org/10.1007/s00384-017-2880-y