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T-Space at The University of Toronto Libraries >
Journal of Medical Internet Research >
Volume 6 (2004) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/4699


Title: Improvement of the Educational Process by Computer-based Visualization of Procedures: Randomized Controlled Trial
Authors: Enzenhofer, Manuel
Bludau, Hans-Bernd
Komm, Nadja
Wild, Beate
Mueller, Knut
Herzog, Wolfgang
Hochlehnert, Achim
Keywords: Original Paper
Computer-based visualization
evaluation of visualization
patient empowerment
technology assessment
Issue Date: 2-Jun-2004
Publisher: Gunther Eysenbach; Centre for Global eHealth Innovation, Toronto, Canada
Citation: Manuel Enzenhofer, Hans-Bernd Bludau, Nadja Komm, Beate Wild, Knut Mueller, Wolfgang Herzog, Achim Hochlehnert. Improvement of the Educational Process by Computer-based Visualization of Procedures: Randomized Controlled Trial. J Med Internet Res 2004;6(2):e16 <URL: http://www.jmir.org/2004/2/e16/>
Abstract: [This item is a preserved copy and is not necessarily the most recent version. To view the current item, visit http://www.jmir.org/2004/2/e16/ ] Background: Before any invasive procedure, physicians have a legal obligation to inform patients. Traditionally, this involves a discussion with a physician, supplemented by written leaflet information directed at the specific procedure. Objective: Comparison of the use and effectiveness of computer-based visualization opposed to standardized conversation for providing patients with information of forthcoming procedures (coronary catheters or endoscopy procedures). Methods: Prospective, randomized trial with 56 participants allocated in two different groups: Visualization Group (standardized information supported by a tool for displaying two-dimensional pictures to explain medical facts as well as informative leaflet) or Control Group (standardized information and informative leaflet only). Detailed information was given about the indication, the probable complications and the details of the forthcoming procedures (coronary catheters or endoscopy procedures). All participants had to reach a Karnofsky Score of 70 points and be able to understand German or English. Main outcome measures were patient's satisfaction with physician-patient conversation, patient's acquired knowledge and duration of the intervention as described above. Results: Patients of the Visualization Group were more satisfied with the conversation and had higher knowledge scores after the conversation. A Mann-Whitney-U-Test between the two groups showed that these differences in satisfaction (P<0.001) and knowledge (P=<0.006) were statistically significant. Length of time needed for the conversation was slightly higher in the Visualization Group, but this difference was not statistically significant (25 versus 23 min; P= 0.441). No differences could be found due to differing age or educational level in the results of the Visualization and the Control Group. Conclusions: Using computerized visualization increased the satisfaction and knowledge of the patients. The presentation of the visualized information in the Visualization Group did not demand significantly more time than the standard conversation in the Control Group.
Description: Reviewer: Sincan, Murat
Reviewer: Carson, Ewart
Reviewer: Norman, Cameron
URI: http://hdl.handle.net/1807/4699
ISSN: 1438-8871
Other Identifiers: doi:10.2196/jmir.6.2.e16
Rights: Copyright (cc) Retained by author(s) under a Creative Commons License: http://creativecommons.org/licenses/by/2.0/
Appears in Collections:Volume 6 (2004)

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