Related Experiment Video
Updated: Aug 11, 2026

Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy
Published on: July 3, 2014
Radiation dose levels during interventional cardiology procedures in a tertiary care hospital
O Dragusin1, W Desmet, H Heidbuchel
1Department of Radiology, University Hospital Gasthuisberg, Herestraat 49, B-3000 Leuven, Belgium. octavian.dragusin@uz.kuleuven.ac.be
Insights
This study measured patient radiation exposure during cardiac catheterization procedures. Local reference values were proposed for coronary angiography, radiofrequency ablation, and angioplasty to guide safe practices.
Area of Science:
- Cardiology
- Medical Physics
- Radiology
Background:
- Patient radiation exposure is a significant concern in interventional cardiology.
- Standardized reference values are needed to manage dose in catheterization laboratories.
Purpose of the Study:
- To prospectively measure patient radiation exposure during various cardiac procedures.
- To establish local reference dose values for specific interventional cardiology procedures.
Main Methods:
- Prospective measurement of patient radiation exposure.
- Data collected from procedures in the Catheterisation laboratory at University Hospital Gasthuisberg, Leuven.
- Analysis of dose metrics for coronary angiography, angioplasty, and radiofrequency ablation.
Main Results:
- Proposed local reference values: 40 Gycm² for coronary angiography/angioplasty, 47 Gycm² for radiofrequency ablation with imaging, and 80 Gycm² for combined coronary angiography and ad hoc angioplasty.
- These values provide benchmarks for patient dose in the studied procedures.
Conclusions:
- The study successfully established proposed local reference values for patient radiation exposure.
- These benchmarks can aid in optimizing radiation safety protocols in cardiac catheterization procedures.
Abstract:
The aim of our investigation was to prospectively measure the patient radiation exposure from different cardiological procedures performed in the Catheterisation laboratory of the University Hospital Gasthuisberg in Leuven. The following local reference values were proposed: 40, 47 and 80 Gycm2 for coronary angiography (CA) or angioplasty (PTCA and stent implantation for elective patients), radio frequency ablation with angiographic images and CA plus ad hoc PTCA, respectively.
Related Concept Videos
Imaging Studies for Cardiovascular System III: X-Ray
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Imaging Studies for Cardiovascular System V: CT
Radiological Investigation III: Pulmonary Angiogram and PET Scan
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Cardiac Catheterization I: Pre-Procedure Overview
Cardiac Catheterization IV: Nursing Management
Radiological Investigation I: X-ray and CT
