Towards Virtual FLS: Development of a Peg Transfer Simulator
Identifieur interne : 001755 ( Main/Merge ); précédent : 001754; suivant : 001756Towards Virtual FLS: Development of a Peg Transfer Simulator
Auteurs : Venkata S. Arikatla ; Woojin Ahn ; Ganesh Sankaranarayanan ; Suvranu DeSource :
- The international journal of medical robotics + computer assisted surgery : MRCAS [ 1478-5951 ] ; 2013.
Abstract
Peg transfer is one of five tasks in the Fundamentals of Laparoscopic Surgery (FLS), program. We report the development and validation of a Virtual Basic Laparoscopic Skill Trainer-Peg Transfer (VBLaST-PT©) simulator for automatic real-time scoring and objective quantification of performance.
We have introduced new techniques in order to allow bi-manual manipulation of pegs and automatic scoring/evaluation while maintaining high quality of simulation. We performed a preliminary face and construct validation study with 22 subjects divided into two groups: experts (PGY 4–5, fellow and practicing surgeons) and novice (PGY 1–3).
Face validation shows high scores for all the aspects of the simulation. A two-tailed Mann-Whitney U-test scores showed significant difference between the two groups on completion time (p=0.003), FLS score (p=0.002) and the VBLaST-PT© score (p=0.006).
VBLaST-PT© is a high quality virtual simulator that showed both face and construct validity.
Url:
DOI: 10.1002/rcs.1534
PubMed: 24030904
PubMed Central: 3962520
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PMC:3962520Le document en format XML
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<author><name sortKey="Arikatla, Venkata S" sort="Arikatla, Venkata S" uniqKey="Arikatla V" first="Venkata S" last="Arikatla">Venkata S. Arikatla</name>
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<author><name sortKey="Ahn, Woojin" sort="Ahn, Woojin" uniqKey="Ahn W" first="Woojin" last="Ahn">Woojin Ahn</name>
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<author><name sortKey="Sankaranarayanan, Ganesh" sort="Sankaranarayanan, Ganesh" uniqKey="Sankaranarayanan G" first="Ganesh" last="Sankaranarayanan">Ganesh Sankaranarayanan</name>
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<author><name sortKey="De, Suvranu" sort="De, Suvranu" uniqKey="De S" first="Suvranu" last="De">Suvranu De</name>
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<author><name sortKey="Sankaranarayanan, Ganesh" sort="Sankaranarayanan, Ganesh" uniqKey="Sankaranarayanan G" first="Ganesh" last="Sankaranarayanan">Ganesh Sankaranarayanan</name>
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<author><name sortKey="De, Suvranu" sort="De, Suvranu" uniqKey="De S" first="Suvranu" last="De">Suvranu De</name>
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<series><title level="j">The international journal of medical robotics + computer assisted surgery : MRCAS</title>
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Background</title>
<p id="P1">Peg transfer is one of five tasks in the Fundamentals of Laparoscopic Surgery (FLS), program. We report the development and validation of a Virtual Basic Laparoscopic Skill Trainer-Peg Transfer (VBLaST-PT<sup>©</sup>
) simulator for automatic real-time scoring and objective quantification of performance.</p>
</sec>
<sec id="S2"><title>Methods</title>
<p id="P2">We have introduced new techniques in order to allow bi-manual manipulation of pegs and automatic scoring/evaluation while maintaining high quality of simulation. We performed a preliminary face and construct validation study with 22 subjects divided into two groups: experts (PGY 4–5, fellow and practicing surgeons) and novice (PGY 1–3).</p>
</sec>
<sec id="S3"><title>Results</title>
<p id="P3">Face validation shows high scores for all the aspects of the simulation. A two-tailed Mann-Whitney U-test scores showed significant difference between the two groups on completion time (p=0.003), FLS score (p=0.002) and the VBLaST-PT© score (p=0.006).</p>
</sec>
<sec id="S4"><title>Conclusions</title>
<p id="P4">VBLaST-PT<sup>©</sup>
is a high quality virtual simulator that showed both face and construct validity.</p>
</sec>
</div>
</front>
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