Paper Info
Title
The validation of an instrumented simulator for the assessment of performance and outcome of knot tying skill: a pilot study.
Abstract
The construct validity of a surgical bench-top simulator with built-in computer acquired assessments was examined. It features two parallel elastic tubes instrumented with flexion sensors that simulate the walls of a wound. Participants from three groups (9 novices, 7 intermediates, 9 experts) performed 10 two-handed, double square knots. The peak tensions at the initiation of the first knot, the completion of the first knot and the completion of the second knot, as well as measures of movement economy indicated technical performance. Product quality was indicated by knot stability defined as the amount of slippage of the knot under the tension. There were significant differences between experts and novices for peak tension on first knot (p=.03), movement economy (p=.02), and knot stability (p=.002). The results support the construct validity of these objective measures.
Year
DOI
Venue
2011
10.3233/978-1-60750-706-2-517
Studies in Health Technology and Informatics
Keywords
Field
DocType
Simulation,computer-based assessment,technical skills
Simulation,Tying,Knot (unit),Medicine
Conference
Volume
ISSN
Citations 
163
0926-9630
1
PageRank 
References 
Authors
0.35
0
6
Name
Order
Citations
PageRank
David Rojas1288.65
Sayra Cristancho2153.81
Claudia Rueda311.37
Lawrence Grierson421.44
Alex Monclou511.37
Adam Dubrowski64013.34