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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

524
Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
524
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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Related Experiment Video

Updated: Oct 22, 2025

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Robotic rectal resection preserves anorectal function: Systematic review and meta-analysis.

Julia K Grass1, Chien-Chih Chen2,3, Nathaniel Melling1

  • 1Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS
|August 31, 2021
PubMed
Summary

Robotic surgery offers better bowel function recovery for rectal cancer patients after total mesorectal excision (TME). This study compared outcomes of open, laparoscopic, transanal, and robotic TME, finding robotic approaches superior.

Keywords:
LARS, minimally-invasive surgeryanorectal functionlaparoscopyrectal cancerrectal resectionrobotic surgery, total mesorectal excision

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Area of Science:

  • Colorectal Surgery
  • Surgical Oncology
  • Gastrointestinal Oncology

Background:

  • Rectal cancer survival rates are improving, increasing focus on functional outcomes post-total mesorectal excision (TME).
  • The Low Anterior Resection Syndrome (LARS) score quantifies postoperative anorectal dysfunction.
  • This is the first meta-analysis comparing bowel function across open, laparoscopic, transanal, and robotic TME techniques.

Purpose of the Study:

  • To compare postoperative anorectal function (LARS score) after different TME approaches.
  • To evaluate the efficacy of robotic TME versus traditional methods for bowel function recovery.

Main Methods:

  • A meta-analysis of 32 publications involving 5,565 patients.
  • Inclusion of studies reporting functional outcomes using the LARS score.
  • Comparison of functional outcomes with a consecutive series of robotic TME patients (n=48).

Main Results:

  • Anorectal function recovery within one year was significantly better after robotic TME.
  • Robotic TME showed superior outcomes compared to laparoscopic (p=0.006), open (p=0.002), and transanal (p=0.003) TME.
  • Specific LARS scores indicated better function with robotic TME.

Conclusions:

  • Robotic TME demonstrates superior recovery of anorectal function compared to other TME techniques.
  • Further high-quality prospective studies are recommended to validate these findings.
  • Robotic surgery may offer significant benefits for rectal cancer patients' functional outcomes.