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Construct and face validity of SINERGIA laparoscopic virtual reality simulator.

Authors :
Sánchez-Peralta LF
Sánchez-Margallo FM
Moyano-Cuevas JL
Pagador JB
Enciso-Sanz S
Sánchez-González P
Gómez-Aguilera EJ
Usón-Gargallo J
Source :
International journal of computer assisted radiology and surgery [Int J Comput Assist Radiol Surg] 2010 Jul; Vol. 5 (4), pp. 307-15. Date of Electronic Publication: 2010 Apr 27.
Publication Year :
2010

Abstract

Purpose: Laparoscopic techniques have nowadays become a gold standard in many surgical procedures, but they imply a more difficult learning skills process. Simulators have a fundamental role in the formative stage of new surgeons. This paper presents the construct and face validity of SINERGIA laparoscopic virtual reality simulator in order to decide whether it can be considered as an assessment tool.<br />Methods: Twenty people participated in this study, 14 were novices and 6 were experts. Five tasks of SINERGIA were included in the study: coordination, navigation, navigation and touch, precise grasping and coordinate traction. For each one of these tasks, a certain number of metrics are automatically recorded. All subjects accomplished each task only once and filled in two questionnaires. A statistical analysis was made and results from both groups were compared with the Mann-Whitney U-test, considering significant differences when P < or = 0.05. Internal consistency of the system has been analyzed with the Cronbach's alpha test.<br />Results: Novices and experts positively rated SINERGIA characteristics. At least one of the evaluated metrics of each exercise presented significant differences between both groups. Nevertheless, all metrics under study gave a better punctuation to the executions accomplished by experts (lower time, higher efficiency, fewer errors. . .) than to those made by novices.<br />Conclusion: SINERGIA laparoscopic virtual reality simulator is able to discriminate subjects according to their level of experience in laparoscopic surgery; therefore, it can be used within a training program as an assessment tool.

Details

Language :
English
ISSN :
1861-6429
Volume :
5
Issue :
4
Database :
MEDLINE
Journal :
International journal of computer assisted radiology and surgery
Publication Type :
Academic Journal
Accession number :
20422300
Full Text :
https://doi.org/10.1007/s11548-010-0425-8