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Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
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Reducing radiation dose in paediatric interventional cardiac catheterisation.
Jiarong Bai1, Feng Wang1, Haosheng Yang2
1Department of Cardiology, Cardiovascular Center, Children's Hospital of Fudan University, Shanghai 201102, P.R. China.
Cardiology in the Young
|July 10, 2019
Summary
A new radiation safety protocol significantly reduced patient radiation dose during pediatric cardiac catheterization. This protocol achieved dose reductions of 46-74% for common procedures, enhancing radiation protection for children.
Area of Science:
- Pediatric Cardiology
- Radiology
- Radiation Safety
Background:
- Minimizing radiation exposure is crucial in pediatric cardiac catheterization.
- Current protocols aim for
Purpose of the Study:
- To evaluate a modified radiation safety protocol's effectiveness in reducing patient radiation dose.
- To assess dose reduction across common pediatric interventional cardiac catheterization procedures.
Main Methods:
- Retrospective (Standard group, 2014-2015) and prospective (Low-dose group, 2016-2017) data collection.
- Analysis of radiation dose for five common procedures: ASD closure, PDA closure, VSD closure, pulmonary valvuloplasty, and SVT ablation.
Main Results:
- The Low-dose group showed significant reductions in median air Kerma for all procedures (46-74% decrease).
- Ventricular septal defect closure had the highest dose in the Low-dose group, with the longest fluoroscopy time.
Conclusions:
- A feasible, case-by-case radiation safety protocol was developed.
- Increased awareness and training are essential for effective radiation protection in pediatric cardiac procedures.
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