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Skeletal Muscle Relaxants: Therapeutic Uses01:31

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Relaxation and Performance During Microsurgical Learning.

Lara Cortellini1, Antoine Nogueira2, Thierry Christen1

  • 1Department of Hand Surgery, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.

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|January 29, 2025
PubMed
Summary
This summary is machine-generated.

Microsurgical training improves nervous system relaxation and anastomosis quality within 15 days. A novel force-sensing needle holder aids in evaluating relaxation and skill development for aspiring microsurgeons.

Keywords:
anastomosisdexteritymicrosurgeryrelaxationsurgical competencetraining

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Area of Science:

  • Medical Education
  • Surgical Training
  • Neuroscience

Background:

  • Microsurgical learning is challenging, demanding significant self-control and relaxation.
  • Developing proficiency requires managing both physical and psychological stress.
  • Understanding nervous system responses is key to optimizing training.

Purpose of the Study:

  • To evaluate peripheral and central nervous system relaxation during microsurgical training.
  • To assess the impact of training on physiological and psychological markers.
  • To introduce a novel tool for objective skill assessment.

Main Methods:

  • A cohort study involving 10 novice medical students and 5 experienced microsurgeons.
  • Somatic nervous system activity measured via force on a custom needle holder.
  • Autonomic nervous system activity assessed using heart rate monitoring.
  • Central nervous system relaxation evaluated through anxiety inventory scores.
  • Anastomosis quality graded using the Microsurgical Anastomosis Rating Scale (MARS10).

Main Results:

  • Significant decreases in applied force and time to complete anastomosis after 2 weeks of training.
  • No significant difference in force between students and experts after 4 weeks.
  • Maximum heart rate and anxiety scores significantly decreased within 15 days.
  • Microsurgical anastomosis quality (MARS10) significantly improved during the first 15 days.

Conclusions:

  • Peripheral and central nervous system relaxation improve significantly within 15 days of microsurgical training.
  • Anastomosis quality shows marked improvement in the initial learning phase.
  • A force-sensing microsurgical needle holder is a valuable tool for evaluating relaxation and aiding skill acquisition.