Personnel real time dosimetry in interventional radiology

Area of Science:

• Medical Physics
• Radiology
• Health Physics

Background:

• Interventional radiology and hemodynamic procedures have increased, necessitating improved personnel dosimetry for patients and staff.
• Optimizing absorbed dose during procedures is critical, driving the need for real-time dosimetric systems.
• Real-time monitoring facilitates procedure optimization and automatic data recording for radiation safety.

Purpose of the Study:

• To calibrate and validate a wireless real-time prototype dosimeter.
• To assess the dosimeter's performance using a novel CMOS imager sensor.
• To evaluate the system's capability in clinical settings for radiation dose measurement.

Main Methods:

• Development of a wireless real-time prototype dosimeter utilizing a CMOS imager sensor.
• Calibration and validation of the prototype dosimeter.
• Conducting measurement campaigns under clinical conditions.

Main Results:

• The prototype dosimeter demonstrated real-time dose-rate measurements at a frequency of a few Hz.
• The system achieved an uncertainty of less than 10% in dose-rate measurements.
• Validation in clinical conditions confirmed the prototype's practical applicability.

Conclusions:

• The developed wireless real-time dosimeter shows promise for enhancing radiation safety in interventional radiology.
• The CMOS imager-based system provides accurate and timely dose-rate information.
• This technology can aid in optimizing procedures and reducing absorbed doses for medical staff.