Tissue consistency perception in laparoscopy to define the level of fidelity in virtual reality simulation
Identifieur interne : 006020 ( Main/Exploration ); précédent : 006019; suivant : 006021Tissue consistency perception in laparoscopy to define the level of fidelity in virtual reality simulation
Auteurs : P. Lamata [Espagne] ; E. J. Gomez [Espagne] ; F. M. Sanchez-Margallo [Espagne] ; F. Lamata [Espagne] ; F. Del Pozo [Espagne] ; J. Uson [Espagne]Source :
- Surgical endoscopy [ 0930-2794 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Simulation, Homme.
English descriptors
- KwdEn :
Abstract
Background: What degree of fidelity must a laparoscopic simulator have to achieve a training objective? This difficult question is addressed by studying the sensory interaction of surgeons in terms of a surgical skill: tissue consistency perception. Methods: A method for characterizing surgeon sensory interaction has been defined and applied in an effort to determine the relative importance of three components of perceptual surgical skill: visual cues, haptic information, and previous surgical knowledge and experience. Expert, intermediate, and novel surgeons were enrolled in the study. Users were asked to rank tissue consistency in four different conditions: a description of the tissue alone (Q), visual information alone (VI), tactile information alone (TI), and both visual and tactile information (VTI). Agreement between these stages was assessed by a coefficient of determination (R2). Results: Tissue is a determinant factor (p < 0.001) in the perception of tissue consistency, whereas the expertise of the surgeon is not (p = 0.289). Tissue consistency perception is based mainly on tactile information (TI-VTI agreement is high, R2 = 0.873), although little sensory substitution is present (VI-VTI agreement is low, R2 = 0.509). Agreement of Q-VI increases with experience (R2 = 0.050, 0.290, and 0.573, corresponding with to novel, intermediate, and expert surgeons), which has been associated with the "visual haptics" concept. Conclusions: Virtual reality simulators need haptic devices with force feedback capability if tissue consistency information is to be delivered. On the other hand, the visual haptics concept has been associated with a kind of tactile memory developed by surgical experience.
Affiliations:
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Gomez</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Grupo de Bioingeniería y Telemedicina (GBT), Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, c/Ciudad Universitaria s/n</s1><s2>28040 Madrid</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Sanchez Margallo, F M" sort="Sanchez Margallo, F M" uniqKey="Sanchez Margallo F" first="F. M." last="Sanchez-Margallo">F. M. 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Del Pozo</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Grupo de Bioingeniería y Telemedicina (GBT), Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, c/Ciudad Universitaria s/n</s1><s2>28040 Madrid</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Uson, J" sort="Uson, J" uniqKey="Uson J" first="J." last="Uson">J. Uson</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Minimally Invasive Surgery Centre, Av. de la Universidad s/n</s1><s2>10071 Câceres</s2><s3>ESP</s3><sZ>3 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Estrémadure</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">06-0463168</idno><date when="2006">2006</date><idno type="stanalyst">PASCAL 06-0463168 INIST</idno><idno type="RBID">Pascal:06-0463168</idno><idno type="wicri:Area/PascalFrancis/Corpus">000C38</idno><idno type="wicri:Area/PascalFrancis/Curation">000868</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000908</idno><idno type="wicri:doubleKey">0930-2794:2006:Lamata P:tissue:consistency:perception</idno><idno type="wicri:Area/Main/Merge">006265</idno><idno type="wicri:Area/Main/Curation">006020</idno><idno type="wicri:Area/Main/Exploration">006020</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Tissue consistency perception in laparoscopy to define the level of fidelity in virtual reality simulation</title><author><name sortKey="Lamata, P" sort="Lamata, P" uniqKey="Lamata P" first="P." last="Lamata">P. Lamata</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Grupo de Bioingeniería y Telemedicina (GBT), Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, c/Ciudad Universitaria s/n</s1><s2>28040 Madrid</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Gomez, E J" sort="Gomez, E J" uniqKey="Gomez E" first="E. J." last="Gomez">E. J. Gomez</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Grupo de Bioingeniería y Telemedicina (GBT), Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, c/Ciudad Universitaria s/n</s1><s2>28040 Madrid</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Sanchez Margallo, F M" sort="Sanchez Margallo, F M" uniqKey="Sanchez Margallo F" first="F. M." last="Sanchez-Margallo">F. M. Sanchez-Margallo</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Minimally Invasive Surgery Centre, Av. de la Universidad s/n</s1><s2>10071 Câceres</s2><s3>ESP</s3><sZ>3 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Estrémadure</region></placeName></affiliation></author><author><name sortKey="Lamata, F" sort="Lamata, F" uniqKey="Lamata F" first="F." last="Lamata">F. Lamata</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>Servicio de Cirugía, Hospital Clínico Universitario, Avda. San Juan Bosco, 15</s1><s2>50009 Zaragoza</s2><s3>ESP</s3><sZ>4 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Aragon</region></placeName></affiliation></author><author><name sortKey="Del Pozo, F" sort="Del Pozo, F" uniqKey="Del Pozo F" first="F." last="Del Pozo">F. Del Pozo</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Grupo de Bioingeniería y Telemedicina (GBT), Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, c/Ciudad Universitaria s/n</s1><s2>28040 Madrid</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Communauté de Madrid</region></placeName></affiliation></author><author><name sortKey="Uson, J" sort="Uson, J" uniqKey="Uson J" first="J." last="Uson">J. Uson</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Minimally Invasive Surgery Centre, Av. de la Universidad s/n</s1><s2>10071 Câceres</s2><s3>ESP</s3><sZ>3 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Estrémadure</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Surgical endoscopy</title><title level="j" type="abbreviated">Surg. endosc.</title><idno type="ISSN">0930-2794</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Surgical endoscopy</title><title level="j" type="abbreviated">Surg. endosc.</title><idno type="ISSN">0930-2794</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Endoscopy</term><term>Human</term><term>Laparoscopy</term><term>Perception</term><term>Simulation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Endoscopie</term><term>Perception</term><term>Laparoscopie</term><term>Simulation</term><term>Homme</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Simulation</term><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Background: What degree of fidelity must a laparoscopic simulator have to achieve a training objective? This difficult question is addressed by studying the sensory interaction of surgeons in terms of a surgical skill: tissue consistency perception. Methods: A method for characterizing surgeon sensory interaction has been defined and applied in an effort to determine the relative importance of three components of perceptual surgical skill: visual cues, haptic information, and previous surgical knowledge and experience. Expert, intermediate, and novel surgeons were enrolled in the study. Users were asked to rank tissue consistency in four different conditions: a description of the tissue alone (Q), visual information alone (VI), tactile information alone (TI), and both visual and tactile information (VTI). Agreement between these stages was assessed by a coefficient of determination (R2). Results: Tissue is a determinant factor (p < 0.001) in the perception of tissue consistency, whereas the expertise of the surgeon is not (p = 0.289). Tissue consistency perception is based mainly on tactile information (TI-VTI agreement is high, R2 = 0.873), although little sensory substitution is present (VI-VTI agreement is low, R2 = 0.509). Agreement of Q-VI increases with experience (R2 = 0.050, 0.290, and 0.573, corresponding with to novel, intermediate, and expert surgeons), which has been associated with the "visual haptics" concept. Conclusions: Virtual reality simulators need haptic devices with force feedback capability if tissue consistency information is to be delivered. On the other hand, the visual haptics concept has been associated with a kind of tactile memory developed by surgical experience.</div></front></TEI><affiliations><list><country><li>Espagne</li></country><region><li>Aragon</li><li>Communauté de Madrid</li><li>Estrémadure</li></region></list><tree><country name="Espagne"><region name="Communauté de Madrid"><name sortKey="Lamata, P" sort="Lamata, P" uniqKey="Lamata P" first="P." last="Lamata">P. Lamata</name></region><name sortKey="Del Pozo, F" sort="Del Pozo, F" uniqKey="Del Pozo F" first="F." last="Del Pozo">F. Del Pozo</name><name sortKey="Gomez, E J" sort="Gomez, E J" uniqKey="Gomez E" first="E. J." last="Gomez">E. J. Gomez</name><name sortKey="Lamata, F" sort="Lamata, F" uniqKey="Lamata F" first="F." last="Lamata">F. Lamata</name><name sortKey="Sanchez Margallo, F M" sort="Sanchez Margallo, F M" uniqKey="Sanchez Margallo F" first="F. M." last="Sanchez-Margallo">F. M. Sanchez-Margallo</name><name sortKey="Uson, J" sort="Uson, J" uniqKey="Uson J" first="J." last="Uson">J. Uson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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