Background: This study evaluated the feasibility of robot-assisted intersphincteric resection (ISR) for low rectal cancer. Further, we attempted to analyze the learning curve for robotic surgery. Methods: A total of 64 patients were retrospectively chart-reviewed. Patients were classified into a laparoscopic procedure (n=28) group and a robot-assisted (n=36) group. Comparisons of age, gender, clinical staging, operating time, complications, and pathologic status were analyzed. Besides, we used a seventh-order moving average method for the construction of a learning curve in robotic surgery. Results: Operating time was 374.3 min (range, 210-570 min) in the laparoscopic group and 485.8 min (range, 315-720 min) in the robotic group, with statistical difference between these two groups (P

Original languageEnglish
Pages (from-to)555-562
Number of pages8
JournalInternational Journal of Colorectal Disease
Issue number5
Publication statusPublished - May 2014


  • Intersphincteric resection
  • Rectal cancer
  • Robotic surgery
  • da Vinci Surgical System

ASJC Scopus subject areas

  • Gastroenterology


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