INNOVATION FUND Innovation, Integration, & Implementation Technology: e-Solutions and Telemedicine SHOWCASE 2016 INNOVATION FUND Innovation, Integration, & Implementation Technology: e-Solutions and Telemedicine SHOWCASE 2016

Virtual TEE: An interactive online teaching aid for learning transesophageal echocardiography

Technology: e-Solutions and Telemedicine

massimiliano_meineri

Massimiliano Meineri

massimiliano.meineri@uhn.ca

416-340-4800

Toronto General Hospital, University Health Network, University of Toronto

Highlights

Virtual TEE is a free online transesophageal echocardiography simulator and has been visited by hundreds of learners worldwide. Its accuracy had been confirmed by numerous positive feedback from users. Its impact on learning was proven in a controlled environment on novices.

Abstract

Objective:To overcome a challenge in transesophageal echocardiographic (TEE) training, an online virtual TEE simulation was developed that allows the user to navigate among the 20 standard views. The TEE probe position and ultrasound plane movements on a 3-dimensional heart model were displayed with the corresponding TEE video recording as the probe was moved among the views.

Design: This study evaluated the educational benefit of the virtual TEE application using a pretest/post-test design.

Setting: Single academic teaching hospital.

Participants: Ten postgraduate physician volunteers who were novice echocardiographers. Interventions: In a controlled environment, 10 study subjects completed a 20 multiple-choice question pretest, used the simulation for 1 hour, and then completed a 20 multiple-choice question post-test. Percentages of correct answers for each test were recorded for each subject.

Measurements and Main Results: The hypothesis that the median improvement in the number of questions correctly answered was different from 0 was tested with a related-samples Wilcoxon signed-rank test. A p value < 0.05 was considered significant. A 1-hour exposure to the virtual TEE simulation produced a significant improvement (p 0.005) in the post-test score (median 80%) compared with the pretest score (median 20%).

Conclusions: Using the virtual TEE simulation for 1 hour significantly improves the trainees’ knowledge of navigation among the 20 standard TEE views. This application freely is available on the Internet and will be a useful adjunct to TEE training programs

Themes & Abstracts

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