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Bowel Anastomosis Training Simulator: Initial Validity Testing With Video Review Intervention.

Barbara Diane Gillis1, Michael Sestito2, Alice Race2

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|October 15, 2025
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Summary
This summary is machine-generated.

The Bowel Anastomosis Training Simulator (BATS) is validated for surgical training. Video review significantly improves resident performance in bowel anastomosis simulation.

Keywords:
AnastomosisBowelEducationSimulationSurgicalSyntheticTraining

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Area of Science:

  • Surgical Education
  • Medical Simulation
  • Gastrointestinal Surgery

Background:

  • Surgical simulation enhances skill acquisition outside the operating room.
  • The Bowel Anastomosis Training Simulator (BATS) utilizes 3D-printed components and synthetic bowel for hand-sewn anastomosis training.
  • BATS incorporates pressurized leak testing for completed anastomoses.

Purpose of the Study:

  • To evaluate the content validity of the novel Bowel Anastomosis Training Simulator (BATS).
  • To assess the impact of presimulation video review on trainee performance.
  • To determine the value of leak testing in surgical simulation.

Main Methods:

  • Attending surgeons and residents performed hand-sewn bowel anastomosis on BATS.
  • Participants completed a Likert scale questionnaire on simulator validity.
  • Residents were divided into video review and control groups.

Main Results:

  • BATS demonstrated content validity with median validity scores of 4/5.
  • Resident anastomosis time was significantly reduced with presimulation video review (10:59 min faster).
  • Higher postgraduate year residents showed improved performance metrics (time and leak pressure).

Conclusions:

  • BATS is a valid tool for open hand-sewn bowel anastomosis simulation.
  • Presimulation video review enhances surgical trainee performance.
  • Future research should explore BATS in laparoscopic/robotic settings and its translation to operating room performance.