| Title | virtX - Evaluation of a Computer-based Training System for Mobile C-arm Systems in Trauma and Orthopedic Surgery. | | Author(s) | Bott OJ, Teistler M, Duwenkamp C, Wagner M, Marschollek M, Plischke M, Raab BW, Stürmer KM, Pretschner DP, Dresing K | | Institution | University of Applied Sciences and Arts Hannover, Faculty III - Media, Information and Design, Expo Plaza 12, 30539 Hannover, Germany. E-mail: oliver.bott@fh-hannover.de. | | Source | Methods Inf Med 2008; 47(3):270-8. | | Abstract | OBJECTIVES: Operating room personnel (ORP) operating mobile image intensifier systems (C-arms) need training to produce high quality radiographs with a minimum of time and X-ray exposure. Our study aims at evaluating acceptance, usability and learning effect of the CBT system virtX that simulates C-arm based X-ray imaging in the context of surgical case scenarios.
METHODS: Prospective, interventional study conducted during an ORP course with three groups: intervention group 1 (training on a PC using virtX), and 2 (virtX with a C-arm as input device), and a control group (training without virtX) - IV1, IV2 and CG. All participants finished training with the same exercise. Time needed to produce an image of sufficient quality was recorded and analyzed using One-Way-ANOVA and Dunnett post hoc test (alpha = .05). Acceptance and usability of virtX have been evaluated using a questionnaire.
RESULTS: CG members (n = 21) needed more time for the exercise than those of IV2 (n = 20): 133 +/- 55 vs. 101 +/- 37 sec. (p = .03). IV1 (n = 12) also performed better than CG (128 +/- 48 sec.), but this was not statistically significant. Seventy-nine participants returned a questionnaire (81% female, age 34 +/- 9 years, professional experience 8.3 +/- 7.6 years; 77% regularly used a C-arm). 83% considered virtX a useful addition to conventional C-arm training. 91% assessed virtual radiography as helpful for understanding C-arm operation.
CONCLUSIONS: Trainees experienced virtX as substantial enhancement of C-arm training. Training with virtX can reduce the time needed to perform an imaging task. | | Language | eng | | Pub Type(s) | Journal Article
| | PubMed ID | 18473094 |
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