Related Experiment Video
Updated: Dec 16, 2025

Multi-Tracer Studies of Brain Oxygen and Glucose Metabolism Using a Time-of-Flight Positron Emission Tomography-Computed Tomography Scanner
Published on: June 7, 2024
'Virtual experience' as an intervention before a positron emission tomography/CT scan may ease patients' anxiety and
Yuyun Sun1,2,3,4, Yifei Sun1,2,3,4, Yue Qin1,2,3,4
1Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, China.
Introduction:
The aim of our study was to investigate the effect of a 'virtual experience' on reducing people's anxiety levels and improving image quality.
Methods:
This study included 200 people who underwent 18 F-FDG PET/CT scan for the first time. Healthy people (n = 100) and patients (n = 100) were randomly divided into a control group and an intervention group. In the intervention group, we used a 'virtual experience' as an intervention before the scan. We used the Spielberger State-Trait Anxiety Inventory (STAI) and satisfaction questionnaires for evaluation. Additionally, the image quality was analysed.
Results:
In the control group, more patients presented anxiety than healthy people (26(52%) versus 15(30%)) (P = 0.041). However, when the 'virtual experience' was provided, the number of cases of anxiety in the patient group decreased to 19(38%). Furthermore, patients in the intervention group had lower STAI-related scores than those in the control group (STAI-S: 37.08 ± 9.42 versus 43.34 ± 10.49, P = 0.109; STAI-T: 36.24 ± 9.55 versus 40.72 ± 9.00, P = 0.019). With respect to image quality, people who had higher STAI-related scores were more likely to have unqualified images.
Conclusion:
A 'virtual experience' provided by an audio-visual installation can ease patients' anxiety and improve image quality.
Related Concept Videos
Imaging Studies I: CT and MRI
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies for Cardiovascular System V: CT
Positron Emission Tomography
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
Imaging Studies III: Computed Tomography
Radiological Investigation I: X-ray and CT
Imaging Studies II: Positron Emission Tomography and Scintigraphy
Fundamental Principles of PET

