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CT Angiography 

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  1. 23-04-2024 | CT Angiography | Online First

    Reevaluating aortic imaging: gadolinium-based spectral CT angiography

  2. Open Access 18-04-2024 | Angiography | Online First

    Transient interruption of contrast on CT pulmonary angiography: effect of mid-inspiratory vs. end-inspiratory respiration command

    Pulmonary embolism is the third most common cause of death from cardiovascular disease, following heart attack and stroke [ 1 ], and 300,000 people in the United States reportedly die of acute pulmonary embolism [ 2 ]. Multidetector CT pulmonary …

  3. 15-04-2024 | Pneumonia | Online First

    Beyond pulmonary embolism: Alternative diagnosis and incidental findings on CT pulmonary angiography in sickle cell disease

    Sickle cell disease (SCD) represents a significant global health burden, affecting more than 7 million individuals worldwide. It shows notable prevalence in populations of African, Mediterranean, Middle Eastern, and South Asian descent [ 1 ]. This …

  4. Open Access 22-02-2024 | Angiography | OriginalPaper

    Halved contrast medium dose coronary dual-layer CT-angiography – phantom study of tube current and patient characteristics

    Virtual mono-energetic images (VMI) using dual-layer computed tomography (DLCT) enable substantial contrast medium (CM) reductions. However, the combined impact of patient size, tube voltage, and heart rate (HR) on VMI of coronary CT angiography

  5. Open Access 15-02-2024 | CT Angiography | OriginalPaper

    Photon-counting CT-angiography in pre-TAVR aortic annulus assessment: effects of retrospective vs. prospective ECG-synchronization on prosthesis valve selection

    To compare the diagnostic value of ultrahigh-resolution CT-angiography (UHR-CTA) compared with high-pitch spiral CTA (HPS-CTA) using a first-generation, dual-source photon-counting CT (PCD-CT) scanner for preprocedural planning of transcatheter …

  6. Open Access 01-12-2024 | CT Angiography | ReviewPaper

    Coronary chronic total occlusion on coronary CT angiography: what radiologists should know?

    Coronary chronic total occlusion (CTO) often occurs in patients with obstructive coronary artery disease, which remains one of the greatest challenges for interventional cardiologists. Coronary computed tomography angiography (CCTA) with its …

  7. 21-03-2024 | Headache | Online First

    Trends in non-focal neurological chief complaints and CT angiography utilization among adults in the emergency department

    Prudent imaging use is essential for cost reduction and efficient patient triage. Recent efforts have focused on head and neck CTA in patients with emergent concerns for non-focal neurological complaints, but have failed to demonstrate whether …

  8. Open Access 03-04-2024 | CT Angiography | Online First

    Development of a protocol for standardized use of a water-soluble contrast agent with polyethylene glycol in post-mortem CT angiography

    Computed tomography angiography (PMCTA) is increasingly used in postmortem cases. Standardized validated protocols permit to compare different PMCTA images and make it more easily to defend a case in court. In addition to the well-known technique …

  9. Open Access 17-02-2024 | Computed Tomography | Online First

    Patient satisfaction with coronary CT angiography versus invasive coronary angiography: results of a single-center randomized trial

    Coronary computed tomography (CT) is receiving increasing attention, especially because of higher evidence levels and consequently wider implementation of CT angiography (CTA) for ruling out coronary artery disease (CAD) [ 1 ]. CTA is mostly …

  10. 23-03-2024 | COVID-19 | Online First

    CT pulmonary angiography in the emergency department: utilization and positivity rates during various phases of the COVID-19 pandemic

    Thromboembolic incidents, such as pulmonary embolism (PE), were identified as some of the earliest and most severe complications associated with coronavirus disease 2019 (COVID-19) [ 1 ]. Given that CTPA study is the preferred method for diagnosing …

  11. Open Access 29-11-2023 | CT Angiography | OriginalPaper

    Highly accelerated, Dixon-based non-contrast MR angiography versus high-pitch CT angiography

    Diseases of the aorta are among the leading causes of morbidity and mortality in Western countries [ 1 ]. They include aortic aneurysms, acute aortic syndromes such as aortic dissection, atherosclerotic lesions, inflammatory diseases, and genetic …

  12. 10-03-2024 | Transcatheter Aortic Valve Implantation | Online First

    Diagnostic performance of deep learning to exclude coronary stenosis on CT angiography in TAVI patients

    We evaluated the diagnostic performance of a deep-learning model (DLM) (CorEx®, Spimed-AI, Paris, France) designed to automatically detect > 50% coronary stenosis on coronary computed tomography angiography (CCTA) images. We studied inter-observer …

  13. 11-03-2024 | CT Angiography | Online First

    Effects of low-tube voltage coronary CT angiography on plaque and pericoronary fat assessment: intraindividual comparison

    With advances in computed tomography (CT) technology, low-dose coronary computed tomography angiography (CCTA) has been gradually applied in clinical practice [ 1 , 2 ]. To date, low tube voltage remains the most effective method of reducing the …

  14. 10-01-2024 | CT Angiography | OriginalPaper

    Commentary on “CT angiography for characterization of advanced placenta accreta spectrum: indications, risk and benefits”

  15. Open Access 01-03-2024 | CT Angiography | Online First

    Deep Learning Imaging Reconstruction Algorithm for Carotid Dual Energy CT Angiography: Opportunistic Evaluation of Cervical Intervertebral Discs—A Preliminary Study

    Thus, the aim of this study is to evaluate the performance of deep learning imaging reconstruction (DLIR) algorithm in different image sets derived from carotid dual-energy computed tomography angiography (DECTA) for evaluating cervical …

  16. 31-01-2024 | Angiography | Online First

    Validating the safety of low-dose CTPA in pregnancy: results from the OPTICA (Optimised CT Pulmonary Angiography in Pregnancy) Study

    Prospective studies are rare in pregnancy which lowers the quality of data upon which management decisions are based for pregnant women. Although two prospective trials recently validated the incorporation of D-dimer into diagnostic-management …

  17. 21-11-2023 | CT Angiography | ReviewPaper

    CT angiography for characterization of advanced placenta accreta spectrum: indications, risks, and benefits

    Placenta accreta spectrum disorder (PASD) encompasses various types of abnormal placentation in which chorionic villi directly adhere to or invade the myometrium. The incidence of PASD has dramatically risen in the US over the past 3 decades owing …

  18. 25-01-2024 | Angiography | OriginalPaper

    The Incidences and Related CT Features of Vascular Lake Phenomenon on Angiography Before Chemoembolization

    The vascular lake phenomenon (VLP) is an angiographic finding of hepatic neoplasms, manifesting as irregular, well-circumscribed, localized pools of contrast media within the tumor, which persist in the venous phase [ 1 – 3 ]. Although initially …

  19. Open Access 01-09-2023 | Computed Tomography | OriginalPaper

    High-pitch CT pulmonary angiography (CTPA) with ultra-low contrast medium volume for the detection of pulmonary embolism: a comparison with standard CTPA

    Pulmonary arterial embolism (PE) is the third most frequent acute cardiovascular disease (estimated annual incidence: 39–200 per 100,000 inhabitants), being second only to myocardial infarction and stroke [ 1 , 2 ]. Rapid and accurate diagnosis of …

  20. 22-08-2023 | Pulmonary Hypertension | OriginalPaper

    Even non-expert radiologists report chronic thromboembolic pulmonary hypertension (CTEPH) on CT pulmonary angiography with high sensitivity and almost perfect agreement

    Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare sequel of past pulmonary embolism with incomplete clearance of thrombotic material, its organization, and scarring. It develops in 2–4% of patients after acute pulmonary embolism [ 1 …2

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