Birgitta K. Velthuis
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View article: A novel deep-learning approach for coronary artery calcium scoring in contrast-enhanced spectral coronary CT angiography: A phantom study
A novel deep-learning approach for coronary artery calcium scoring in contrast-enhanced spectral coronary CT angiography: A phantom study Open
View article: Cardiac Ventricular Hinge Point LGE Is Highly Prevalent And Sex-Dependent In ELITE Athletes
Cardiac Ventricular Hinge Point LGE Is Highly Prevalent And Sex-Dependent In ELITE Athletes Open
View article: Free-running time-resolved first-pass myocardial perfusion using a multi-scale dynamics decomposition: CMR-MOTUS
Free-running time-resolved first-pass myocardial perfusion using a multi-scale dynamics decomposition: CMR-MOTUS Open
Objective First-pass myocardial perfusion involves several types of dynamics, including cardiac motion, respiratory motion, bulk motion and contrast agent inflow. To accurately quantify the initial inflow of the contrast agent, high spatio…
View article: Motion compensated reconstruction improves image quality and interpretability of dual-layer coronary CT angiography
Motion compensated reconstruction improves image quality and interpretability of dual-layer coronary CT angiography Open
Objectives Reducing motion artifacts in coronary computed tomography angiography (CCTA) is essential for accurate coronary artery disease assessment. We evaluated the clinical performance of a motion-compensated reconstruction (MCR) using …
View article: Arterial stiffness and atherosclerosis and incident cardiovascular events and all‐cause mortality in individuals with manifest cardiovascular disease with and without type 2 diabetes
Arterial stiffness and atherosclerosis and incident cardiovascular events and all‐cause mortality in individuals with manifest cardiovascular disease with and without type 2 diabetes Open
Background It is unclear if arterial stiffness and atherosclerosis are differentially related to cardiovascular events and mortality in individuals with manifest cardiovascular disease with and without type 2 diabetes (T2DM) and to what ex…
View article: Evaluation of techniques for automated classification and artery quantification of the circle of Willis on TOF-MRA images: The CROWN challenge
Evaluation of techniques for automated classification and artery quantification of the circle of Willis on TOF-MRA images: The CROWN challenge Open
Assessing risk factors for intracranial aneurysm (IA) development on images is crucial for early detection of high-risk cases. IAs often form at bifurcations within the circle of Willis (CoW), but manual assessment of these arteries is bot…
View article: Extreme phenotypes of the female athlete’s heart: a sports-specific cardiac magnetic resonance imaging study
Extreme phenotypes of the female athlete’s heart: a sports-specific cardiac magnetic resonance imaging study Open
Aims Differentiating physiological exercise-induced cardiac remodelling (EICR) from pathology is challenging, especially in female athletes, where studies using state-of-the-art imaging techniques are lacking. We aimed to investigate extre…
View article: Prevalence and severity of coronary artery disease in asymptomatic military air crew in the Netherlands: a prospective, cross-sectional study (SUSPECT)
Prevalence and severity of coronary artery disease in asymptomatic military air crew in the Netherlands: a prospective, cross-sectional study (SUSPECT) Open
Objective Coronary artery disease (CAD) is a main cause of incapacitating adverse cardiac events in aviation. Military aircrew ≥40 years in the Netherlands undergo a 5-year exercise ECG (X-ECG), which lacks precision to identify relevant C…
View article: Feasibility and safety of single-pulse ablation in 20 patients with atrial fibrillation
Feasibility and safety of single-pulse ablation in 20 patients with atrial fibrillation Open
Acute electrical PVI could be achieved safely and rapidly. Acute silent cerebral lesions were detected in 3 of 20 patients (15%) and may be caused by ablation or changes of therapeutic and diagnostic catheters over a single transseptal acc…
View article: A practical approach to quality improvement in medium sized radiology departments
A practical approach to quality improvement in medium sized radiology departments Open
Quality maintenance and improvement in radiology departments is a dynamic process, driven in part by rapid technological advancements. The setting for this article is an academic radiology department with 29 staff radiologists. With limite…
View article: Elite endurance and non-endurance athletes demonstrate distinct segmental left ventricular hypertrophy patterns: results from the ELITE cohort
Elite endurance and non-endurance athletes demonstrate distinct segmental left ventricular hypertrophy patterns: results from the ELITE cohort Open
Background Segmental left ventricular hypertrophy (LVH) patterns are well-documented in pathological remodelling (i.e. hypertrophic cardiomyopathy), but remain underexplored in elite athletes. To differentiate between exercise-induced card…
View article: Arterial stiffness and coronary atherosclerosis in middle-aged and older athletes: findings from the MARC and MARC-2 studies
Arterial stiffness and coronary atherosclerosis in middle-aged and older athletes: findings from the MARC and MARC-2 studies Open
Background Studies have reported an increased arterial stiffness and prevalence of coronary artery calcification (CAC) in veteran athletes, suggesting an association between these deleterious cardiovascular adaptations. Purpose We determin…
View article: Stroke etiology and white matter burden in women with and without migraine
Stroke etiology and white matter burden in women with and without migraine Open
View article: Exercise-Induced Changes in Hemodynamics, Hormones, Electrolytes, and Inflammatory Markers in Veteran Athletes with and without Coronary Atherosclerosis
Exercise-Induced Changes in Hemodynamics, Hormones, Electrolytes, and Inflammatory Markers in Veteran Athletes with and without Coronary Atherosclerosis Open
Aims Middle-aged and older male athletes have more coronary atherosclerosis than less active peers. We aimed to explore mechanisms that can contribute to this accelerated coronary atherosclerosis by comparing exercise-induced changes in he…
View article: Sex-specific anatomical variation of circle of Willis arteries
Sex-specific anatomical variation of circle of Willis arteries Open
This study identified significant CoW differences in artery diameters and anatomical variants between sexes, while bifurcation angles between arteries were comparable. Future research should investigate the association between these sex-sp…
View article: Deep-learning-based extraction of circle of Willis topology with anatomical priors
Deep-learning-based extraction of circle of Willis topology with anatomical priors Open
View article: Free-Running Time-Resolved First-Pass Myocardial Perfusion Using a Multi-Scale Dynamics Decomposition: CMR-MOTUS
Free-Running Time-Resolved First-Pass Myocardial Perfusion Using a Multi-Scale Dynamics Decomposition: CMR-MOTUS Open
We present a novel approach for the reconstruction of time-resolved free-running first-pass myocardial perfusion MRI, named CMR-MOTUS. This method builds upon the MR-MOTUS framework and addresses the challenges of a contrast varying refere…
View article: Computed tomography and coronary artery calcium score for screening of coronary artery disease and cardiovascular risk management in asymptomatic individuals
Computed tomography and coronary artery calcium score for screening of coronary artery disease and cardiovascular risk management in asymptomatic individuals Open
View article: Pulmonary Emphysema and Intracranial Aneurysms in Smokers With Hypertension
Pulmonary Emphysema and Intracranial Aneurysms in Smokers With Hypertension Open
View article: Anatomical Markers Associated With the Presence of Intracranial Aneurysms in Individuals Screened for Aneurysms
Anatomical Markers Associated With the Presence of Intracranial Aneurysms in Individuals Screened for Aneurysms Open
Background Hemodynamic stress is linked to the development of intracranial aneurysms (IAs) and may be influenced by anatomic variation of intracranial arteries. We assessed diameters and bifurcation angles of intracranial arteries forming …
View article: Using cardiac magnetic resonance feature tracking to discover novel abnormalities in patients with idiopathic ventricular fibrillation
Using cardiac magnetic resonance feature tracking to discover novel abnormalities in patients with idiopathic ventricular fibrillation Open
Background Despite an extensive diagnostic work-up, the underlying diagnosis leading to ventricular fibrillation (VF) remains elusive in patients with idiopathic VF. Emerging diagnostic techniques can be used to discover previously unident…
View article: Mitral annular disjunction in idiopathic ventricular fibrillation patients: just a bystander or a potential cause?
Mitral annular disjunction in idiopathic ventricular fibrillation patients: just a bystander or a potential cause? Open
Aims Previously, we demonstrated that inferolateral mitral annular disjunction (MAD) is more prevalent in patients with idiopathic ventricular fibrillation (IVF) than in healthy controls. In the present study, we advanced the insights into…
View article: Halved contrast medium dose coronary dual-layer CT-angiography – phantom study of tube current and patient characteristics
Halved contrast medium dose coronary dual-layer CT-angiography – phantom study of tube current and patient characteristics Open
View article: Exercise-induced cardiac troponin release in athletes with versus without coronary atherosclerosis
Exercise-induced cardiac troponin release in athletes with versus without coronary atherosclerosis Open
Exercise-induced cardiac troponin (cTn) release is considered to be dependent on cardiovascular health status. We tested whether athletes with coronary atherosclerosis demonstrate greater exercise-induced cTn release compared with healthy …
View article: Graph convolutional networks for automated intracranial artery labeling
Graph convolutional networks for automated intracranial artery labeling Open
The addition of atlas-based features improved node classification results. The GraphConv operator, which incorporates higher-order structural information during training, is recommended over the GCNConv operator based on the accuracy and c…
View article: The influence of motion-compensated reconstruction on coronary artery analysis for a dual-layer detector CT system: a dynamic phantom study
The influence of motion-compensated reconstruction on coronary artery analysis for a dual-layer detector CT system: a dynamic phantom study Open
View article: Mitral Annular Disjunction in Idiopathic Ventricular Fibrillation Patients: Just a Bystander or a Potential Cause?
Mitral Annular Disjunction in Idiopathic Ventricular Fibrillation Patients: Just a Bystander or a Potential Cause? Open
View article: Diagnostic value of late gadolinium enhancement at cardiovascular magnetic resonance to distinguish arrhythmogenic right ventricular cardiomyopathy from differentials
Diagnostic value of late gadolinium enhancement at cardiovascular magnetic resonance to distinguish arrhythmogenic right ventricular cardiomyopathy from differentials Open
View article: Benchmarking the CoW with the TopCoW Challenge: Topology-Aware Anatomical Segmentation of the Circle of Willis for CTA and MRA
Benchmarking the CoW with the TopCoW Challenge: Topology-Aware Anatomical Segmentation of the Circle of Willis for CTA and MRA Open
The Circle of Willis (CoW) is an important network of arteries connecting major circulations of the brain. Its vascular architecture is believed to affect the risk, severity, and clinical outcome of serious neurovascular diseases. However,…
View article: Deep Learning for Automatic Strain Quantification in Arrhythmogenic Right Ventricular Cardiomyopathy
Deep Learning for Automatic Strain Quantification in Arrhythmogenic Right Ventricular Cardiomyopathy Open
Quantification of cardiac motion with cine Cardiac Magnetic Resonance Imaging (CMRI) is an integral part of arrhythmogenic right ventricular cardiomyopathy (ARVC) diagnosis. Yet, the expert evaluation of motion abnormalities with CMRI is a…