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Evaluation of a New Virtual-Reality Training Simulator for Hysteroscopy

M. Bajka, S. Tuchschmid, M. Streich, D. Fink, G. Székely, and M. Harders
Surgical Endoscopy
pp. DOI 10.1007/s00464-0, February 2008


BACKGROUND: To determine realism and training capacity of HystSim, a new virtual reality simulator for the training of hysteroscopic interventions. METHODS: Sixty-two gynaecological surgeons with various levels of expertise were interviewed at the 13th Practical Course in Gynaecologic Endoscopy in Davos, Switzerland. All participants received a 20 minutes hands-on training on the simulator and filled out a four-page questionnaire. Twenty-three questions with respect to the realism of the simulation and the training capacity were answered on a 7-point Likert scale along with 11 agree-disagree statements concerning the HystSim training in general. RESULTS: Twenty-six participants had performed more than 50 hysteroscopies (“experts”) and 36 equal or less than 50 (“novices”). Four of 60 (6.6%) responding participants judged the “overall impression” as “7-absolutely realistic”, 40 (66.6%) as “6-realistic” and 16 (26.6%) as “5-somewhat realistic”. Novices (6.48; 95% confidence interval [CI]: 6.28–6.7) rated the “overall training capacity” significantly higher than experts (6.08; 95% CI 5.85–6.3), however, high-grade acceptance was found in both groups. In response to the statements, 95.2% believe that HystSim allows procedural training of diagnostic and therapeutic hysteroscopy, and 85.5% suggest that HystSim training should be offered to all novices before performing surgery on real patients. CONCLUSION: Face validity has been established for a new hysteroscopic surgery simulator. Potential trainees and trainers assess it to be a realistic and useful tool for the training of hysteroscopy. Further systematic validation studies are needed to clarify how this system can be optimally integrated into the gynaecological curriculum.

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  author = {M. Bajka and S. Tuchschmid and M. Streich and D. Fink and G. Székely and and M. Harders},
  title = {Evaluation of a New Virtual-Reality Training Simulator for Hysteroscopy},
  journal = {Surgical Endoscopy},
  year = {2008},
  month = {February},
  pages = {DOI 10.1007/s00464-0},
  volume = {},
  number = {},
  keywords = {Virtual reality, Training, Simulation, Hysteroscopy, Evaluation}