HapticV1, Main, Exploration, bibRecord, 000E68

S007--Preliminary Evaluation of the Pattern Cutting and the Ligating Loop Virtual Laparoscopic Trainers

Identifieur interne : 000E68 ( Main/Exploration ); précédent : 000E67; suivant : 000E69

S007--Preliminary Evaluation of the Pattern Cutting and the Ligating Loop Virtual Laparoscopic Trainers

Auteurs : A. Chellali [États-Unis, France] ; W. Ahn ; G. Sankaranarayanan ; J. T. Flinn [États-Unis] ; S. D. Schwaitzberg [États-Unis] ; D. B. Jones [États-Unis] ; Suvranu De ; C. G. L. Cao [États-Unis]

Source :

Surgical endoscopy [ 0930-2794 ] ; 2014.

RBID : PMC:4344432

Abstract

Introduction

The Fundamentals of Laparoscopic Surgery (FLS) trainer is currently the standard for training and evaluating basic laparoscopic skills. However, its manual scoring system is time-consuming and subjective. The Virtual Basic Laparoscopic Skill Trainer (VBLaST^©) is the virtual version of the FLS trainer which allows automatic and real time assessment of skill performance, as well as force feedback. In this study, the VBLaST^© pattern cutting (VBLaST-PC^©) and ligating loop (VBLaST-LL^©) tasks were evaluated as part of a validation study. We hypothesized that performance would be similar on the FLS and VBLaST^© trainers, and that subjects with more experience would perform better than those with less experience on both trainers.

Methods

Fifty-five subjects with varying surgical experience were recruited at the Learning Center during the 2013 SAGES annual meeting and were divided into two groups: experts (PGY 5, surgical fellows and surgical attendings) and novices (PGY 1–4). They were asked to perform the pattern cutting or the ligating loop task on the FLS and the VBLaST^© trainers. Their performance scores for each trainer were calculated and compared.

Results

There were no significant differences between the FLS and VBLaST^© scores for either the pattern cutting or the ligating loop task. Experts’ scores were significantly higher than the scores for novices on both trainers.

Conclusion

This study showed that the subjects’ performance on the VBLaST^© trainer was similar to the FLS performance for both tasks. Both the VBLaST-PC^© and the VBLaST-LL^© tasks permitted discrimination between the novice and expert groups. Though concurrent and discriminant validity has been established, further studies to establish convergent and predictive validity are needed. Once validated as a training system for laparoscopic skills, the system is expected to overcome the current limitations of the FLS trainer.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4344432

DOI: 10.1007/s00464-014-3764-7
PubMed: 25159626
PubMed Central: 4344432

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Introduction</title>
<p id="P1">The Fundamentals of Laparoscopic Surgery (FLS) trainer is currently the standard for training and evaluating basic laparoscopic skills. However, its manual scoring system is time-consuming and subjective. The Virtual Basic Laparoscopic Skill Trainer (VBLaST<sup>©</sup>
) is the virtual version of the FLS trainer which allows automatic and real time assessment of skill performance, as well as force feedback. In this study, the VBLaST<sup>©</sup>
 pattern cutting (VBLaST-PC<sup>©</sup>
) and ligating loop (VBLaST-LL<sup>©</sup>
) tasks were evaluated as part of a validation study. We hypothesized that performance would be similar on the FLS and VBLaST<sup>©</sup>
 trainers, and that subjects with more experience would perform better than those with less experience on both trainers.</p>
</sec>
<sec id="S2"><title>Methods</title>
<p id="P2">Fifty-five subjects with varying surgical experience were recruited at the Learning Center during the 2013 SAGES annual meeting and were divided into two groups: experts (PGY 5, surgical fellows and surgical attendings) and novices (PGY 1–4). They were asked to perform the pattern cutting or the ligating loop task on the FLS and the VBLaST<sup>©</sup>
 trainers. Their performance scores for each trainer were calculated and compared.</p>
</sec>
<sec id="S3"><title>Results</title>
<p id="P3">There were no significant differences between the FLS and VBLaST<sup>©</sup>
 scores for either the pattern cutting or the ligating loop task. Experts’ scores were significantly higher than the scores for novices on both trainers.</p>
</sec>
<sec id="S4"><title>Conclusion</title>
<p id="P4">This study showed that the subjects’ performance on the VBLaST<sup>©</sup>
 trainer was similar to the FLS performance for both tasks. Both the VBLaST-PC<sup>©</sup>
 and the VBLaST-LL<sup>©</sup>
 tasks permitted discrimination between the novice and expert groups. Though concurrent and discriminant validity has been established, further studies to establish convergent and predictive validity are needed. Once validated as a training system for laparoscopic skills, the system is expected to overcome the current limitations of the FLS trainer.</p>
</sec>
</div>
</front>
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<tree><noCountry><name sortKey="Ahn, W" sort="Ahn, W" uniqKey="Ahn W" first="W." last="Ahn">W. Ahn</name>
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<name sortKey="Sankaranarayanan, G" sort="Sankaranarayanan, G" uniqKey="Sankaranarayanan G" first="G." last="Sankaranarayanan">G. Sankaranarayanan</name>
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<country name="États-Unis"><region name="Massachusetts"><name sortKey="Chellali, A" sort="Chellali, A" uniqKey="Chellali A" first="A." last="Chellali">A. Chellali</name>
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<name sortKey="Cao, C G L" sort="Cao, C G L" uniqKey="Cao C" first="C. G. L." last="Cao">C. G. L. Cao</name>
<name sortKey="Flinn, J T" sort="Flinn, J T" uniqKey="Flinn J" first="J. T." last="Flinn">J. T. Flinn</name>
<name sortKey="Jones, D B" sort="Jones, D B" uniqKey="Jones D" first="D. B." last="Jones">D. B. Jones</name>
<name sortKey="Schwaitzberg, S D" sort="Schwaitzberg, S D" uniqKey="Schwaitzberg S" first="S. D." last="Schwaitzberg">S. D. Schwaitzberg</name>
</country>
<country name="France"><region name="Île-de-France"><name sortKey="Chellali, A" sort="Chellali, A" uniqKey="Chellali A" first="A." last="Chellali">A. Chellali</name>
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S007--Preliminary Evaluation of the Pattern Cutting and the Ligating Loop Virtual Laparoscopic Trainers

S007--Preliminary Evaluation of the Pattern Cutting and the Ligating Loop Virtual Laparoscopic Trainers

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