Novel X-ray imaging technology enables significant patient dose reduction in interventional cardiology while maintaining diagnostic image quality

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
Liesbeth ElootKlaus Bacher

Abstract

The purpose of this study was to quantify the reduction in patient radiation dose during coronary angiography (CA) by a new X-ray technology, and to assess its impact on diagnostic image quality. Recently, a novel X-ray imaging technology has become available for interventional cardiology, using advanced image processing and an optimized acquisition chain for radiation dose reduction. 70 adult patients were randomly assigned to a reference X-ray system or the novel X-ray system. Patient demographics were registered and exposure parameters were recorded for each radiation event. Clinical image quality was assessed for both patient groups. With the same angiographic technique and a comparable patient population, the new imaging technology was associated with a 75% reduction in total kerma-area product (KAP) value (decrease from 47 Gycm2 to 12 Gycm2, P<0.001). Clinical image quality showed an equivalent detail and contrast for both imaging systems. On the other hand, the subjective appreciation of noise was more apparent in images of the new image processing system, acquired at lower doses, compared to the reference system. However, the higher noise content did not affect the overall image quality score, which was adequate for dia...Continue Reading

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Citations

Jan 30, 2016·Radiation Protection Dosimetry·Angelica SvalkvistLars Gunnar Månsson
Jul 28, 2015·Journal of Vascular and Interventional Radiology : JVIR·Ryan KohlbrennerRobert Gould
Oct 26, 2016·Journal of Vascular Surgery·Melissa L KirkwoodCarlos Timaran
Aug 2, 2016·Internal Medicine·Kenji Sadamatsu, Yasuhiro Nakano
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Jul 26, 2017·EuroIntervention : Journal of EuroPCR in Collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology·Stephen BalterDimitrios Karmpaliotis
Sep 2, 2017·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Laurent FarouxDamien Metz
Sep 10, 2018·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Tilmann BusseNicolaus Reifart
Dec 4, 2019·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Carmelo J PanettaSunil V Rao
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Dec 25, 2019·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·Fiona RohlffsTilo Kölbel

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Methods Mentioned

BETA
X‐ray
coronary artery bypass

Software Mentioned

SPSS Statistics
ViewDEX

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