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Objective and Automated Quantification of Instrument Handling for Open Surgical Suturing Skill Assessment: A

Simar P Singh1, Amir Mehdi Shayan1, Jianxin Gao2

  • 1Department of BioengineeringClemson University Clemson SC 29634 USA.

IEEE Open Journal of Engineering in Medicine and Biology
|July 25, 2024
PubMed
Summary
This summary is machine-generated.

New metrics for surgical training simulators accurately assess suturing skills. Rotational motion analysis of instruments effectively differentiates novice from expert surgeons, improving medical education.

Keywords:
Motion smoothnessskill trainingsurgical simulationsurgical skill assessment

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Area of Science:

  • Medical simulation and training
  • Surgical skills assessment
  • Biomedical engineering

Background:

  • Vascular surgical procedures demand high suturing proficiency.
  • Medical training simulators offer objective feedback for skill development.
  • Advancing sensor technology necessitates refined performance measures for effective training.

Purpose of the Study:

  • To evaluate the effectiveness of instrument motion metrics for assessing open suturing skills.
  • To determine if rotational motion metrics can better differentiate surgical expertise levels than traditional tooltip metrics.
  • To establish a foundation for quantifying critical aspects of surgical performance using motion analysis.

Main Methods:

  • 97 subjects with varying clinical expertise participated in the study.
  • Subjects completed four trials on the SutureCoach platform.
  • Electromagnetic motion trackers on needle drivers measured instrument handling metrics.

Main Results:

  • All measured metrics significantly differentiated novices from intermediate and expert surgical trainees.
  • Rotational motion metrics demonstrated higher consistency in distinguishing between experts and intermediates.
  • Rotational motion metrics proved more effective than traditional tooltip motion metrics.

Conclusions:

  • Tool motion metrics are crucial for objective assessment of open suturing skills.
  • Rotational motion analysis offers a promising avenue for quantifying surgical performance.
  • This study provides a basis for developing more sophisticated surgical training feedback systems.