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Related Experiment Video

Updated: May 23, 2025

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound

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Optimizing DSA parameters for enhanced radiation safety in interventional surgery.

XunJin Zeng¹, Hao Wang¹, Guang Chen¹

¹Department of Radiological Intervention, Tianjin First Central Hospital, Nankai District, Tianjin, China.

Frontiers in Public Health

|March 10, 2025

Summary

This summary is machine-generated.

Optimizing digital subtraction angiography (DSA) settings, including bed plate and detector height, significantly reduces patient and operator radiation exposure. Proper use of protective devices further minimizes scatter radiation during procedures.

Keywords:

digital subtraction machine dose interventional radiation radiation radiation protection

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Area of Science:

Medical Imaging Physics
Radiological Protection
Interventional Radiology

Background:

Digital subtraction angiography (DSA) involves radiation exposure for both patients and operators.
Minimizing radiation dose is crucial for patient safety and occupational health in medical imaging.

Purpose of the Study:

To establish a reliable method for reducing radiation dose during DSA procedures.
To analyze the impact of various parameters on radiation dose variations.

Main Methods:

Investigated variations in bed plate height (80-110 cm) and detection height (0-30 cm).
Assessed the effect of visual field size (6x6 and 12x12 inches) on radiation dose.
Measured patient and operator radiation doses using Raysafe X2 dosimetry and an AT1123 meter.

Main Results:

Low-dose fluoroscopy reduced patient dose by 50.8% and operator lens dose by 25-34%.
Increasing bed plate height from 80 to 110 cm decreased patient dose by 45.5%.
Protective devices reduced operator gonadal dose by over 10 times.

Conclusions:

Optimal bed plate (90-100 cm) and detector height (10-20 cm) with a 6x6 inch visual field effectively reduce radiation doses.
Proper use of protective devices in peripheral interventional surgery is critical for minimizing scatter radiation, achieving >90% reduction.