Learning effects using a TURP simulator: Assessing changes in visual control and performance
Samuel Vine, Thomas Dutton, Mark Wilson, Elizabeth Bright, John McGrathSurgical simulators afford trainees the chance to practise skills in a safe environment and without the need for supervision. Although they have been proposed to shorten the learning curve for complex surgical skills, there is concern that they do not prepare trainees for the demanding conditions of the operating room. Research in skill learning (including surgical skills) has shown that experts and novices can be distinguished by differences in their visual control strategies, with experts using fewer fixations of a longer duration. The aim of this study was to assess the learning benefits of a TURP simulator by examining, not only changes in novice performance, but also changes in their visual control.
Examining the visual control strategies of experts and novices to establish the validity of a novel TURP simulator
Thomas Dutton, Samuel Vine, John McGrath, Elizabeth Bright, Mark WilsonSignificant differences have been shown in the performance of experts versus novices (proficiency and safety parameters) whilst performing a VR TURP training task. Furthermore, experts and novices displayed the expected differences in visual control strategies. This suggests that the TURP simulator is a valid tool in the replication of this common urological procedure. The study of visual control strategies may be a useful adjunct, alongside assessment of motor performance, in assessing surgeons undergoing simulation training.
Face validity, construct validity and training benefits of a virtual reality TURP simulator
Elizabeth Bright*, Samuel Vine, Mark R. Wilson, Rich S.W. Masters, John S. McGrathVirtual reality (VR) surgical simulators provide repetitive practice and performance feedback without requiring supervision in a safe environment. Simulators have the potential to shorten the learning curve for complex surgical procedures, create skills which transfer to the operating room and therefore decrease the incidence of future complications. Experts resected a significantly greater percentage of prostate per minute [...] and had significantly less active diathermy time without tissue contact [...] than novices.
Virtual reality simulator for training urologists on transurethral prostatectomy
ZHU He, ZHANG Yi, LIU Jin-shun, WANG Gang, YU Cheng-fan and NA Yan-qunAs a new method of training on transurethral prostatectomy skills, training of TURP using a virtual simulator can help urologists improve their surgical skills and safety. Therefore, the application of the TURPSim™ system in education and training of urologic surgery is warranted.
Center of excellence HELIOS hospital group, GermanyThe HELIOS group of clinics has 15 complete urologic departments that perform more than 3'000 transurethral procedures on bladder and prostate per year and train residents on these procedures. A maximum of 15 residents per year complete their education as medical specialist in these 15 departments. For their training as well as for the experienced surgical personnel, a simulator is placed at the disposal of each clinic for six weeks each year. During this time, the head physician conducts a training program. In his or her first year, every surgeon who wants to conduct transurethral resection has to perform 50 documented procedures on the simulators.
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