A Prospective Randomized Study to Test the Transfer of Basic Psychomotor Skills From Virtual Reality to Physical Reality in a Comparable Training Setting
Identifieur interne : 000965 ( Pmc/Curation ); précédent : 000964; suivant : 000966A Prospective Randomized Study to Test the Transfer of Basic Psychomotor Skills From Virtual Reality to Physical Reality in a Comparable Training Setting
Auteurs : Kai S. Lehmann ; Joerg P. Ritz ; Heiko Maass ; Hueseyin K. Çakmak ; Uwe G. Kuehnapfel ; Christoph T. Germer ; Georg Bretthauer ; Heinz J. BuhrSource :
- Annals of Surgery [ 0003-4932 ] ; 2005.
Abstract
To test whether basic skills acquired on a virtual endoscopic surgery simulator are transferable from virtual reality to physical reality in a comparable training setting.
For surgical training in laparoscopic surgery, new training methods have to be developed that allow surgeons to first practice in a simulated setting before operating on real patients. A virtual endoscopic surgery trainer (VEST) has been developed within the framework of a joint project. Because of principal limitations of simulation techniques, it is essential to know whether training with this simulator is comparable to conventional training.
Devices used were the VEST system and a conventional video trainer (CVT). Two basic training tasks were constructed identically (a) as virtual tasks and (b) as mechanical models for the CVT. Test persons were divided into 2 groups each consisting of 12 novices and 4 experts. Each group carried out a defined training program over the course of 4 consecutive days on the VEST or the CVT, respectively. To test the transfer of skills, the groups switched devices on the 5th day. The main parameter was task completion time.
The novices in both groups showed similar learning curves. The mean task completion times decreased significantly over the 4 training days of the study. The task completion times for the control task on Day 5 were significantly lower than on Days 1 and 2. The experts’ task completion times were much lower than those of the novices.
This study showed that training with a computer simulator, just as with the CVT, resulted in a reproducible training effect. The control task showed that skills learned in virtual reality are transferable to the physical reality of a CVT. The fact that the experts showed little improvement demonstrates that the simulation trains surgeons in basic laparoscopic skills learned in years of practice.
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DOI: 10.1097/01.sla.0000154552.89886.91
PubMed: 15729066
PubMed Central: 1356982
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Kuehnapfel</name></author><author><name sortKey="Germer, Christoph T" sort="Germer, Christoph T" uniqKey="Germer C" first="Christoph T." last="Germer">Christoph T. Germer</name></author><author><name sortKey="Bretthauer, Georg" sort="Bretthauer, Georg" uniqKey="Bretthauer G" first="Georg" last="Bretthauer">Georg Bretthauer</name></author><author><name sortKey="Buhr, Heinz J" sort="Buhr, Heinz J" uniqKey="Buhr H" first="Heinz J." last="Buhr">Heinz J. Buhr</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">15729066</idno><idno type="pmc">1356982</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1356982</idno><idno type="RBID">PMC:1356982</idno><idno type="doi">10.1097/01.sla.0000154552.89886.91</idno><date when="2005">2005</date><idno type="wicri:Area/Pmc/Corpus">000965</idno><idno type="wicri:Area/Pmc/Curation">000965</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">A Prospective Randomized Study to Test the Transfer of Basic Psychomotor Skills From Virtual Reality to Physical Reality in a Comparable Training Setting</title><author><name sortKey="Lehmann, Kai S" sort="Lehmann, Kai S" uniqKey="Lehmann K" first="Kai S." last="Lehmann">Kai S. Lehmann</name></author><author><name sortKey="Ritz, Joerg P" sort="Ritz, Joerg P" uniqKey="Ritz J" first="Joerg P." last="Ritz">Joerg P. Ritz</name></author><author><name sortKey="Maass, Heiko" sort="Maass, Heiko" uniqKey="Maass H" first="Heiko" last="Maass">Heiko Maass</name></author><author><name sortKey="Cakmak, Hueseyin K" sort="Cakmak, Hueseyin K" uniqKey="Cakmak H" first="Hueseyin K." last="Çakmak">Hueseyin K. Çakmak</name></author><author><name sortKey="Kuehnapfel, Uwe G" sort="Kuehnapfel, Uwe G" uniqKey="Kuehnapfel U" first="Uwe G." last="Kuehnapfel">Uwe G. Kuehnapfel</name></author><author><name sortKey="Germer, Christoph T" sort="Germer, Christoph T" uniqKey="Germer C" first="Christoph T." last="Germer">Christoph T. Germer</name></author><author><name sortKey="Bretthauer, Georg" sort="Bretthauer, Georg" uniqKey="Bretthauer G" first="Georg" last="Bretthauer">Georg Bretthauer</name></author><author><name sortKey="Buhr, Heinz J" sort="Buhr, Heinz J" uniqKey="Buhr H" first="Heinz J." last="Buhr">Heinz J. Buhr</name></author></analytic><series><title level="j">Annals of Surgery</title><idno type="ISSN">0003-4932</idno><idno type="eISSN">1528-1140</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objective:</title><p>To test whether basic skills acquired on a virtual endoscopic surgery simulator are transferable from virtual reality to physical reality in a comparable training setting.</p></sec><sec><title>Summary Background Data:</title><p>For surgical training in laparoscopic surgery, new training methods have to be developed that allow surgeons to first practice in a simulated setting before operating on real patients. A virtual endoscopic surgery trainer (VEST) has been developed within the framework of a joint project. Because of principal limitations of simulation techniques, it is essential to know whether training with this simulator is comparable to conventional training.</p></sec><sec><title>Methods:</title><p>Devices used were the VEST system and a conventional video trainer (CVT). Two basic training tasks were constructed identically (a) as virtual tasks and (b) as mechanical models for the CVT. Test persons were divided into 2 groups each consisting of 12 novices and 4 experts. Each group carried out a defined training program over the course of 4 consecutive days on the VEST or the CVT, respectively. To test the transfer of skills, the groups switched devices on the 5th day. The main parameter was task completion time.</p></sec><sec><title>Results:</title><p>The novices in both groups showed similar learning curves. The mean task completion times decreased significantly over the 4 training days of the study. The task completion times for the control task on Day 5 were significantly lower than on Days 1 and 2. The experts’ task completion times were much lower than those of the novices.</p></sec><sec><title>Conclusions:</title><p>This study showed that training with a computer simulator, just as with the CVT, resulted in a reproducible training effect. The control task showed that skills learned in virtual reality are transferable to the physical reality of a CVT. The fact that the experts showed little improvement demonstrates that the simulation trains surgeons in basic laparoscopic skills learned in years of practice.</p></sec></div></front></TEI><pmc article-type="other"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Ann Surg</journal-id><journal-id journal-id-type="publisher-id">Annals of Surgery</journal-id><journal-title>Annals of Surgery</journal-title><issn pub-type="ppub">0003-4932</issn><issn pub-type="epub">1528-1140</issn></journal-meta><article-meta><article-id pub-id-type="pmid">15729066</article-id><article-id pub-id-type="pmc">1356982</article-id><article-id pub-id-type="publisher-id">0000658-200503000-00007</article-id><article-id pub-id-type="doi">10.1097/01.sla.0000154552.89886.91</article-id><article-categories><subj-group subj-group-type="heading"><subject>Randomized, Controlled Trials</subject></subj-group></article-categories><title-group><article-title>A Prospective Randomized Study to Test the Transfer of Basic Psychomotor Skills From Virtual Reality to Physical Reality in a Comparable Training Setting</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Lehmann</surname><given-names>Kai S.</given-names></name><degrees>MD</degrees></contrib><contrib contrib-type="author"><name><surname>Ritz</surname><given-names>Joerg P.</given-names></name><degrees>MD</degrees></contrib><contrib contrib-type="author"><name><surname>Maass</surname><given-names>Heiko</given-names></name><degrees>PhD</degrees></contrib><contrib contrib-type="author"><name><surname>Çakmak</surname><given-names>Hueseyin K.</given-names></name><degrees>PhD</degrees></contrib><contrib contrib-type="author"><name><surname>Kuehnapfel</surname><given-names>Uwe G.</given-names></name><degrees>PhD</degrees></contrib><contrib contrib-type="author"><name><surname>Germer</surname><given-names>Christoph T.</given-names></name><degrees>MD</degrees></contrib><contrib contrib-type="author"><name><surname>Bretthauer</surname><given-names>Georg</given-names></name><degrees>PhD</degrees></contrib><contrib contrib-type="author"><name><surname>Buhr</surname><given-names>Heinz J.</given-names></name><degrees>MD, FACS, FRCS</degrees></contrib></contrib-group><aff id="N0x93ecee0.0x9571318">From the Department of General Surgery–Chirurgische Klinik I, Charité-Campus Benjamin Franklin, Freie- und Humboldt-Universität zu Berlin, Hindenburgdamm 30, 12200 Berlin, Germany.<break></break></aff><pub-date pub-type="ppub"><month>3</month><year>2005</year></pub-date><volume>241</volume><issue>3</issue><fpage>442</fpage><lpage>449</lpage><copyright-statement>© 2005 Lippincott Williams & Wilkins, Inc.</copyright-statement><abstract><sec><title>Objective:</title><p>To test whether basic skills acquired on a virtual endoscopic surgery simulator are transferable from virtual reality to physical reality in a comparable training setting.</p></sec><sec><title>Summary Background Data:</title><p>For surgical training in laparoscopic surgery, new training methods have to be developed that allow surgeons to first practice in a simulated setting before operating on real patients. A virtual endoscopic surgery trainer (VEST) has been developed within the framework of a joint project. Because of principal limitations of simulation techniques, it is essential to know whether training with this simulator is comparable to conventional training.</p></sec><sec><title>Methods:</title><p>Devices used were the VEST system and a conventional video trainer (CVT). Two basic training tasks were constructed identically (a) as virtual tasks and (b) as mechanical models for the CVT. Test persons were divided into 2 groups each consisting of 12 novices and 4 experts. Each group carried out a defined training program over the course of 4 consecutive days on the VEST or the CVT, respectively. To test the transfer of skills, the groups switched devices on the 5th day. The main parameter was task completion time.</p></sec><sec><title>Results:</title><p>The novices in both groups showed similar learning curves. The mean task completion times decreased significantly over the 4 training days of the study. The task completion times for the control task on Day 5 were significantly lower than on Days 1 and 2. The experts’ task completion times were much lower than those of the novices.</p></sec><sec><title>Conclusions:</title><p>This study showed that training with a computer simulator, just as with the CVT, resulted in a reproducible training effect. The control task showed that skills learned in virtual reality are transferable to the physical reality of a CVT. The fact that the experts showed little improvement demonstrates that the simulation trains surgeons in basic laparoscopic skills learned in years of practice.</p></sec></abstract><abstract abstract-type="toc"><p>Virtual reality simulators offer new possibilities for training in minimally invasive surgery. It is important to know whether the training mechanisms in conventional and virtual reality training are principally comparable. This study demonstrates a method to compare conventional and simulator training and finds that basic skills acquired on a simulator can be transferred to physical reality.</p></abstract></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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