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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
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Robot-assisted colorectal surgery offers significant advantages over traditional laparoscopic and open methods. This advanced technique improves oncologic outcomes, reduces hospital stays, and enhances sphincter preservation rates.

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Area of Science:

  • Oncology
  • Surgical Technology
  • Colorectal Surgery

Background:

  • Robot-assisted surgery (RAS) introduced at the National Institute of Oncology in 2022.
  • Prior colorectal surgeries included laparoscopic and open approaches.
  • Comparative analysis of surgical outcomes is crucial for advancing patient care.

Purpose of the Study:

  • To evaluate the perioperative outcomes of robot-assisted colorectal surgery.
  • To compare RAS with traditional laparoscopic and open surgery methods.
  • To assess the oncologic safety and efficacy of RAS in rectal cancer patients.

Main Methods:

  • Retrospective comparison of 140 robot-assisted rectal surgery patients with 225 laparoscopic and 213 open surgery patients.
  • Analysis of key perioperative indicators including quality of mesorectal excision, length of hospital stay, readmission rates, and sphincter preservation.
  • Focus on oncologic parameters such as lymph node dissection quality.

Main Results:

  • Robot-assisted surgery demonstrated a superior complete mesorectal excision (TME) rate (90%) compared to laparoscopic (77%) and open (72.7%) surgery.
  • Patients undergoing robotic surgery experienced shorter hospital stays (median 5 days) and fewer readmissions (6.4%).
  • RAS achieved a significantly higher sphincter preservation rate (89.5%) versus laparoscopic (68%) and open (60%) procedures.

Conclusions:

  • Robot-assisted colorectal surgery is oncologically safe and effective.
  • RAS offers significant benefits including improved lymph node dissection, shorter recovery, reduced readmissions, and higher sphincter preservation rates.
  • Robotic surgery represents a valuable advancement in the treatment of rectal cancer, enhancing patient outcomes compared to conventional methods.