Studies Database

Kimura T, Kawabe A, Suzuki K, Wada H. Usefulness of a virtual reality simulator or training box for endoscopic surgery training. Surg Endosc. 2006 Apr;20(4):656-9. Epub 2006 Jan 21

This study investigated whether the use of a simulator for endoscopic surgery training improves the performance of actual operations. For the study, 16 medical students were divided into three groups: a virtual reality (VR) simulator group (n = 6), a training box (TB) group (n = 6), and a control group (n = 4). The VR and TB groups received 2 h of training per day for 5 days, after which they were requested to perform intestinal dissection, to close a gastric perforation, and to perform cholecystectomy in pigs. Performance was assessed on the basis of the operating time and the error score. Although there were no differences between the three groups in terms of the total operating time or error score, the VR and TB groups required less time for closure of the gastric perforation than the control group. In addition, the operating time decreased as actual operating experience increased in the VR group. In the TB group, the time for closure of a gastric perforation was shorter when the supervisor had seen the operation before training. These findings demonstrated that a simulator is useful for acquiring psychomotor skills, but does not immediately enable clinical performance of an operation. More actual experience and good supervision are essential for increasing the effectiveness of training with the VR and TB simulators, respectively.

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