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Society for Pediatric Radiology – Poster Archive


Erich Sorantin

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Showing 3 Abstracts.

Children have up to 10 times higher sensitivity to ionising radiation, therefore dose reduction is still a hot topic in paediatric computed tomography (CT). One of the most effective dose reduction tools is decreasing tube voltage. Because of the exponential relationship between radiation dose and peak kilovoltage, tube voltage should be adjusted according to age. Since Hounsfield units (HU) are depending on the radiation dose, different computed tomography angiography (CTA) thresholds for different tube voltages should be considered. This study was designed to demonstrate the alteration of HU depending on varied tube voltage and furthermore to consider the necessity of consequently modified CTA threshold values. Read More

Meeting name: IPR 2016 Conjoint Meeting & Exhibition , 2016

Authors: Nagy Eszter, Marterer Robert, Tschauner Sebastian, Lindbichler Franz, Sorantin Erich

Keywords: phantom study, kv modulation

Right ventricular (RV) function represents a prognostic marker in patients with congenital heart defects (CHD), essentially in patients with right bundle branch block (RBBB). Due to the limitations of echocardiographic ventricle volume assessment, cardiac magnetic resonance imaging (CMR) is nowadays the method of choice in the follow-up of these patients. In a recently published study it has been shown that delayed RV contraction due to RBBB should be taken into account when performing CMR volumetric assessment with short axis plane method. Since recent recommendations suggest axial plane volume measurements, therefore current work was designed to assess the impact of RBBB on cardiac volumetric parameters evaluated with the axial plane method. Read More

Meeting name: IPR 2016 Conjoint Meeting & Exhibition , 2016

Authors: Nagy Eszter, Marterer Robert, Tschauner Sebastian, Grangl Gernot, Sorantin Erich

Keywords: cardiac MRI, volumetry, congenital heart defects

Morphological and functional carotid artery alteration can occur already in youth ages, essentially in presence of cardiovascular risk factors. Studies have showed that sonographic assessment of carotid artery (CA) Intima-Media Thickness (IMT) serves as prognostic factors for cardio-vascular disease also in youth patient population. As functional changes occur earlier than vessel wall morphological changes, this might be indicated by a decrease in vessel elasticity prior to the increase of IMT. This hypothesis indicates to use an early functional parameter for cardiovascular risk assessment. This study was designed to assess and evaluate IMT as well as CA vessel elasticity in three groups, in young sportsmen and youth volunteers without any cardio-vascular risk factors (CV-RF) comparing to youth volunteers with CV-RF. Read More

Meeting name: IPR 2016 Conjoint Meeting & Exhibition , 2016

Authors: Nagy Eszter, Wieser Clarina, Windhaber Jana, Kogler Kristina, Steinberger Monika, Sorantin Erich

Keywords: cardiovascular risk assessment, carotid sonography