The Usefulness of a Virtual Environment-Based Patient Setup Training System for Radiation Therapy

Author:

Fujibuchi Toshioh1ORCID,Kaneko Kosuke2,Arakawa Hiroyuki1,Okada Yoshihiro3

Affiliation:

1. Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan

2. Robert T. Huang Entrepreneurship Center, Kyushu University, Fukuoka 819-0395, Japan

3. Data-Driven Innovation Initiative (DDIn2), Kyushu University, Fukuoka 819-0395, Japan

Abstract

In radiation therapy, patient setup is important for improving treatment accuracy. The six-axis couch semi-automatically adjusts the patient’s position; however, adjusting the patient to twist is difficult. In this study, we developed and evaluated a virtual reality setup training tool for medical students to understand and improve their patient setup skills for radiation therapy. First, we set up a simulated patient in a virtual space to reproduce the radiation treatment room. A gyro sensor was attached to the patient phantom in real space, and the twist of the phantom was linked to the patient in the virtual space. Training was conducted for 24 students, and their operation records were analyzed and evaluated. The training’s efficacy was also evaluated through questionnaires provided at the end of the training. The total time required for patient setup tests before and after training decreased significantly from 331.9 s to 146.2 s. As a result of the questionnaire regarding the usability of training to the trainee, most were highly evaluated. We found that training significantly improved students’ understanding of the patient setup. With the proposed system, trainees can experience a simulated setup that can aid in deepening their understanding of radiation therapy treatments.

Funder

JSPS KAKENHI

Publisher

MDPI AG

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