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Related Experiment Videos

Perfused fresh cadavers: method for application to surgical simulation.

Joseph N Carey1, Michael Minneti2, Hyuma A Leland1

  • 1Division of Plastic and Reconstructive Surgery, Keck School of Medicine, University of Southern California, 1500 San Pablo Street, Los Angeles, CA 90033, USA.

American Journal of Surgery
|April 20, 2015
PubMed
Summary

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This study introduces a novel perfusion technique for fresh human cadavers, enhancing surgical simulation. This method improves anatomical realism and trainee confidence in surgical skills training.

Area of Science:

  • Medical Education
  • Surgical Simulation
  • Anatomy

Background:

  • Cadaveric dissection is the benchmark for surgical simulation due to its authentic anatomy and tissue handling.
  • A novel perfusion technique is presented to restore blood flow and pressure in fresh human cadavers.

Purpose of the Study:

  • To present a perfusion technique for fresh human cadavers.
  • To evaluate its effectiveness in replicating anatomical and physiological conditions for surgical simulation.

Main Methods:

  • Femoral vessels were cannulated and perfused using a vortex centrifugal pump and a novel perfusate.
  • Mechanical ventilation was established. Perfusion was assessed via direct inspection, pressure monitoring, and indocyanine green angiography.
  • Cost analysis and trainee surveys were conducted.
Keywords:
AnatomyCadaverEducationSimulationSurgery

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Main Results:

  • Achieved mean arterial pressure of 80 mm Hg and venous pressure of 15 mm Hg, enabling dermal and microvascular perfusion.
  • Successful pulmonary ventilation was demonstrated. The model was applied to 122 cadavers over 12 months.
  • Trainee confidence significantly increased from 2.85 to 4.20 (P < .00).

Conclusions:

  • Perfusion of fresh cadavers effectively replicates human tissue handling, vascular anatomy, and dissection realism.
  • The perfused human cadaver model enhances surgical simulation authenticity.
  • This technique is applicable across various surgical subspecialties and training levels.