In plain language
In phantom tests of computed tomography (CT) fluoroscopy-guided procedures, a tunnel-shaped leaded acrylic shield placed around the patient cut scattered dose to the operator's eyes, thyroid and trunk by roughly 83-100%, with less reduction at the legs. Clinical performance and usability are untested.
At a glance
- Type of study
- Original research, Phantom or simulation study
- Who was studied
- Phantom or simulation (no people)
- Topics
- Room shielding and protective devicesEye lens and cataractsThyroidDosimetry and monitoringDose reduction techniques
- Summary based on
- the abstract
What it found
The tunnel-shaped shield reduced eye lens dose on the operator phantom.
Key figures: 83%-100%
Thyroid dose was reduced.
Key figures: 88%-96%
Dose to the needle-holding hand was reduced, though less than at the trunk.
Key figures: 73%-86%
The legs were the least protected areas.
Key figures: 57%-68% upper leg; 44%-83% lower leg
All dose reductions were statistically significant.
Limits to keep in mind
This is a phantom-only experiment, so it does not reflect real operator movement, workflow or clinical usability. The abstract does not report the number of measurements, the procedure types simulated or the country.
Related research summaries
- Operator Radiation and the Efficacy of Ceiling-Suspended Lead Screen Shielding during Coronary Angiography: An Anthropomorphic Phantom Study Using Real-Time Dosimeters (2017, Phantom or simulation study)
- Radiation exposure in interventional cardiology: a narrative review of health effects and novel approaches to ensure radiation safety (2025, Narrative review)
- Radiation Exposure, Training, and Safety in Cardiology (2024, Narrative review)
- Radiation Protection in Interventional Radiology (2022, Narrative review)
- Occupational Radiation Doses to Operators Performing Fluoroscopically-Guided Procedures (2012, Systematic review)
How this summary was made
ORSIF prepared this summary with AI assistance from the abstract of the paper. A program then checked that the passage supporting each finding appears word for word in that source. A person has not yet reviewed each summary, so read the original before relying on a number. ORSIF summarizes research and does not endorse any product or company. Report a problem with this summary.
Prepared November 3, 2026.