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  1. Article

    Open Access

    Systematic assessment of coronary calcium detectability and quantification on four generations of CT reconstruction techniques: a patient and phantom study

    In computed tomography, coronary artery calcium (CAC) scores are influenced by image reconstruction. The effect of a newly introduced deep learning-based reconstruction (DLR) on CAC scoring in relation to othe...

    M. M. Dobrolinska, G. D. van Praagh in The International Journal of Cardiovascula… (2023)

  2. Article

    Open Access

    Right atrial and ventricular strain detects subclinical changes in right ventricular function in precapillary pulmonary hypertension

    Right ventricular (RV) ejection fraction (EF) by cardiac magnetic resonance (CMR) correlates to outcome in precapillary pulmonary hypertension (pPH) patients, but is insensitive to early changes. Strain might ...

    J. L. Vos, T. Leiner, A. P. J. van Dijk in The International Journal of Cardiovascula… (2022)

  3. No Access

    Article

    Improved coronary calcium detection and quantification with low-dose full field-of-view photon-counting CT: a phantom study

    The aim of the current study was to systematically assess coronary artery calcium (CAC) detection and quantification for spectral photon-counting CT (SPCCT) in comparison to conventional CT and, in addition, t...

    N. R. van der Werf, P. A. Rodesch, S. Si-Mohamed in European Radiology (2022)

  4. Article

    Open Access

    Coronary calcium scoring potential of large field-of-view spectral photon-counting CT: a phantom study

    The aim of the current study was, first, to assess the coronary artery calcium (CAC) scoring potential of spectral photon-counting CT (SPCCT) in comparison with computed tomography (CT) for routine clinical pr...

    Niels R. van der Werf, S. Si-Mohamed, P. A. Rodesch in European Radiology (2022)

  5. Article

    Open Access

    The impact and challenges of implementing CTCA according to the 2019 ESC guidelines on chronic coronary syndromes: a survey and projection of CTCA services in the Netherlands

    The 2019 ESC-guidelines on chronic coronary syndromes (ESC-CCS) recommend computed tomographic coronary angiography (CTCA) or non-invasive functional imaging instead of exercise ECG as initial test to diagnose...

    T. P. W. van den Boogert, B. E. P. M. Claessen, S. M. Boekholdt in Insights into Imaging (2021)

  6. Article

    Open Access

    Correction to: Evaluation of non-invasive imaging parameters in coronary microvascular disease: a systematic review

    F. Groepenhof, R. G. M. Klaassen, G. B. Valstar, S. H. Bots in BMC Medical Imaging (2021)

  7. Article

    Open Access

    Evaluation of non-invasive imaging parameters in coronary microvascular disease: a systematic review

    Coronary microvascular dysfunction (CMD) is an important underlying cause of angina pectoris. Currently, no diagnostic tool is available to directly visualize the coronary microvasculature. Invasive microvascu...

    F. Groepenhoff, R. G. M. Klaassen, G. B. Valstar, S. H. Bots in BMC Medical Imaging (2021)

  8. Article

    Open Access

    Validation of aortic valve 4D flow analysis and myocardial deformation by cardiovascular magnetic resonance in patients after the arterial switch operation

    Aortic regurgitation (AR) and subclinical left ventricular (LV) dysfunction expressed by myocardial deformation imaging are common in patients with transposition of the great arteries after the arterial switch...

    W. H. S. van Wijk, J. M. P. J. Breur in Journal of Cardiovascular Magnetic Resonan… (2019)

  9. Article

    Open Access

    Influence of heart rate on coronary calcium scores: a multi-manufacturer phantom study

    To evaluate the influence of heart rate on coronary calcium scores (CCS) using a dynamic phantom on four high-end computed tomography (CT) systems from different manufacturers. Artificial coronary arteries wer...

    N. R. van der Werf, M. J. Willemink in The International Journal of Cardiovascula… (2018)

  10. Article

    Open Access

    Influence of iterative reconstruction on coronary calcium scores at multiple heart rates: a multivendor phantom study on state-of-the-art CT systems

    The objective of this study was to evaluate the influence of iterative reconstruction on coronary calcium scores (CCS) at different heart rates for four state-of-the-art CT systems. Within an anthropomorphic c...

    N. R. van der Werf, M. J. Willemink in The International Journal of Cardiovascula… (2018)

  11. Article

    Open Access

    The Effects of Iodine Attenuation on Pulmonary Nodule Volumetry using Novel Dual-Layer Computed Tomography Reconstructions

    To assess the effect of iodine attenuation on pulmonary nodule volumetry using virtual non-contrast (VNC) and mono-energetic reconstructions.

    A. M. den Harder, F. Bangert, R. W. van Hamersvelt, T. Leiner in European Radiology (2017)

  12. Article

    Open Access

    Influence of dose reduction and iterative reconstruction on CT calcium scores: a multi-manufacturer dynamic phantom study

    To evaluate the influence of dose reduction in combination with iterative reconstruction (IR) on coronary calcium scores (CCS) in a dynamic phantom on state-of-the-art CT systems from different manufacturers. ...

    N. R. van der Werf, M. J. Willemink in The International Journal of Cardiovascula… (2017)

  13. Article

    Open Access

    Three dimensional fusion of electromechanical map** and magnetic resonance imaging for real-time navigation of intramyocardial cell injections in a porcine model of chronic myocardial infarction

    For cardiac regenerative therapy intramyocardial catheter guided cell transplantations are targeted to the infarct border zone (IBZ) i.e. the closest region of viable myocardium in the vicinity of the infarct ...

    F. J. van Slochteren, R. van Es in The International Journal of Cardiovascula… (2016)

  14. No Access

    Article

    The effect of renal denervation on kidney oxygenation as determined by BOLD MRI in patients with hypertension

    Renal denervation (RDN) is a promising therapy for resistant hypertension. RDN is assumed to decrease sympathetic activity. Consequently, RDN can potentially increase renal oxygenation. Blood oxygen level-depe...

    E. E. Vink, A. Boer, W. L. Verloop, W. Spiering, M. Voskuil in European Radiology (2015)

  15. No Access

    Article

    MSCT bei thorakalen Notfällen

    Die Weiterentwicklung der Mehrschichtspiralcomputertomographie (MSCT) mit EKG-Synchronisation ermöglicht differenzierte Untersuchungsprotokolle zur Abklärung unklarer thorakaler Schmerzereignisse, erfordert je...

    Prof. Dr. J.E. Wildberger, T. Leiner, A.H. Mahnken in Der Radiologe (2009)

  16. Article

    Open Access

    Current techniques for assessment of upper extremity vasculature prior to hemodialysis vascular access creation

    Vascular access problems lead to increased patient morbidity and mortality and place a large burden on care facilities, manpower and costs. Autogenous arteriovenous fistulas (AVF) are preferred over arterioven...

    R. N. Planken, J. H. M. Tordoir, L. E. M. Duijm, M. W. de Haan in European Radiology (2007)

  17. No Access

    Article

    Contemporary imaging techniques for the diagnosis of renal artery stenosis

    Renal artery stenosis (RAS) is a potentially curable cause of renovascular hypertension (RVH) and is caused by either atherosclerosis or fibromuscular dysplasia (FMD) in the vast majority of patients. Although...

    T. Leiner, M. W. de Haan, P. J. Nelemans, J. M. A. van Engelshoven in European Radiology (2005)

  18. No Access

    Article

    Magnetic resonance imaging of atherosclerosis

    Abundant data now link composition of the vascular wall, rather than the degree of luminal narrowing, with the risk for acute ischemic syndromes in the coronary, central nervous system, and peripheral arterial...

    T. Leiner, S. Gerretsen, R. Botnar, E. Lutgens, V. Cappendijk in European Radiology (2005)

  19. No Access

    Article

    Peripheral MR angiography

    Atherosclerotic disease of the lower extremities is a common disorder in western society. Its debilitating nature calls for accurate diagnosis and treatment. The gold standard for diagnosing this disease by d...

    K. Y. J. A. M. Ho, T. Leiner, M. W. de Haan, J. M. A. van Engelshoven in European Radiology (1999)

  20. No Access

    Article

    MR angiography of run-off vessels

    Magnetic resonance angiography has taken a huge step forward since the introduction of contrast-enhanced MR angiography using gadolinium chelates. The more conventional MR angiographic techniques, such as tim...

    K. Y. J. A. M. Ho, T. Leiner, J. M. A. van Engelshoven in European Radiology (1999)