AIMC Topic: Computed Tomography Angiography

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Coil Embolization of a Renal Aneurysm Using a Minimally Invasive Endovascular Robotic System.

Vascular and endovascular surgery Jan 22, 2018
We present a case demonstrating the use of an endovascular robotic system in the treatment of a saccular renal artery aneurysm located at the renal hilum in a young patient.
Renal Artery Aneurysm Female Renal Circulation Young Adult Treatment Outcome Robotics Equipment Design Embolization, Therapeutic Radiography, Interventional Endovascular Procedures Therapy, Computer-Assisted Computed Tomography Angiography Humans
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Integrated prediction of lesion-specific ischaemia from quantitative coronary CT angiography using machine learning: a multicentre study.

European radiology Jan 19, 2018
OBJECTIVES: We aimed to investigate if lesion-specific ischaemia by invasive fractional flow reserve (FFR) can be predicted by an integrated machine learning (ML) ischaemia risk score from quantitative plaque measures from coronary computed tomograph...
Female Aged Aged, 80 and over Adult Male Humans Machine Learning Myocardial Ischemia Plaque, Atherosclerotic Vascular Calcification Middle Aged Computed Tomography Angiography Severity of Illness Index Coronary Stenosis Hemodynamics Fractional Flow Reserve, Myocardial Coronary Angiography Coronary Artery Disease
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Left Atrial Appendage Segmentation Using Fully Convolutional Neural Networks and Modified Three-Dimensional Conditional Random Fields.

IEEE journal of biomedical and health informatics Jan 17, 2018
Thrombosis has become a global disease threatening human health. The left atrial appendage (LAA) is a major source of thrombosis in patients with atrial fibrillation (AF). Positive correlation exists between LAA volume and AF risk. LAA morphology has...
Algorithms Imaging, Three-Dimensional Computed Tomography Angiography Atrial Appendage Humans Neural Networks, Computer
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In Situ Skeletonized Right Internal Mammary Artery Bypass Grafting to Left Anterior Descending Artery.

International heart journal Dec 27, 2017
This study aimed to evaluate the feasibility and the mid-term efficacy of an in situ skeletonized right internal mammary artery (IMA) bypass grafting to a left anterior descending artery (LAD), and to determine risk factors for IMA graft failure in a...
Follow-Up Studies Coronary Angiography Coronary Artery Disease Coronary Vessels Vascular Patency Humans Male Coronary Artery Bypass Mammary Arteries Retrospective Studies Middle Aged Computed Tomography Angiography Female China Coronary Circulation Aged Hospital Mortality Adult Treatment Outcome
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Deep learning analysis of the myocardium in coronary CT angiography for identification of patients with functionally significant coronary artery stenosis.

Medical image analysis Nov 26, 2017
In patients with coronary artery stenoses of intermediate severity, the functional significance needs to be determined. Fractional flow reserve (FFR) measurement, performed during invasive coronary angiography (ICA), is most often used in clinical pr...
Humans Middle Aged Deep Learning Contrast Media Coronary Angiography Heart Ventricles Iohexol Algorithms Female Reproducibility of Results Sensitivity and Specificity Male Computed Tomography Angiography Coronary Stenosis Cardiac-Gated Imaging Techniques
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Machine-learning phenotypic classification of bicuspid aortopathy.

The Journal of thoracic and cardiovascular surgery Sep 14, 2017
BACKGROUND: Bicuspid aortic valves (BAV) are associated with incompletely characterized aortopathy. Our objectives were to identify distinct patterns of aortopathy using machine-learning methods and characterize their association with valve morpholog...
Computed Tomography Angiography Aortic Aneurysm Aortography Sinus of Valsalva Aortic Valve Insufficiency Bicuspid Aortic Valve Disease Heart Valve Diseases Pattern Recognition, Automated Aorta, Thoracic Aged Adult Cross-Sectional Studies Humans Diagnosis, Computer-Assisted Male Machine Learning Aortic Valve Stenosis Middle Aged Phenotype Aortic Valve Female Predictive Value of Tests Reproducibility of Results Radiographic Image Interpretation, Computer-Assisted
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Framework for detection and localization of coronary non-calcified plaques in cardiac CTA using mean radial profiles.

Computers in biology and medicine Aug 1, 2017
BACKGROUND AND OBJECTIVE: The high mortality rate associated with coronary heart disease (CHD) has driven intensive research in cardiac imaging and image analysis. The advent of computed tomography angiography (CTA) has turned non-invasive diagnosis ...
Support Vector Machine Coronary Angiography Coronary Artery Disease Plaque, Atherosclerotic Computed Tomography Angiography Humans
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Coronary Computed Tomographic Angiography-Derived Fractional Flow Reserve Based on Machine Learning for Risk Stratification of Non-Culprit Coronary Narrowings in Patients with Acute Coronary Syndrome.

The American journal of cardiology Jul 25, 2017
This study investigated the prognostic value of coronary computed tomography angiography (cCTA)-derived fractional flow reserve (CT-FFR) in patients with acute coronary syndrome (ACS) and multivessel disease to gauge significance and guide management...
Male Middle Aged Risk Assessment ROC Curve Machine Learning Humans United States Coronary Stenosis Coronary Angiography Prognosis Fractional Flow Reserve, Myocardial Retrospective Studies Acute Coronary Syndrome Female Computed Tomography Angiography Survival Rate
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Impact of knowledge-based iterative model reconstruction on myocardial late iodine enhancement in computed tomography and comparison with cardiac magnetic resonance.

The international journal of cardiovascular imaging Apr 13, 2017
We evaluated the image quality and diagnostic performance of late iodine enhancement computed tomography (LIE-CT) with knowledge-based iterative model reconstruction (IMR) for the detection of myocardial infarction (MI) in comparison with late gadoli...
Coronary Angiography Radiographic Image Interpretation, Computer-Assisted Coronary Artery Disease Myocardial Infarction Knowledge Bases Observer Variation Multidetector Computed Tomography Computed Tomography Angiography Humans Coronary Circulation Myocardial Perfusion Imaging Middle Aged Gadolinium DTPA Electrocardiography Retrospective Studies Magnetic Resonance Imaging, Cine Contrast Media Female Predictive Value of Tests Cardiac-Gated Imaging Techniques Reproducibility of Results Myocardium Iopamidol Aged Male
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Improved image quality with simultaneously reduced radiation exposure: Knowledge-based iterative model reconstruction algorithms for coronary CT angiography in a clinical setting.

Journal of cardiovascular computed tomography Feb 23, 2017
BACKGROUND: The aim of this study was to assess the potential for radiation dose reduction using knowledge-based iterative model reconstruction (K-IMR) algorithms in combination with ultra-low dose body mass index (BMI)-adapted protocols in coronary ...
Middle Aged Signal-To-Noise Ratio Algorithms Coronary Artery Disease Body Mass Index Female Multidetector Computed Tomography Humans Knowledge Bases Computed Tomography Angiography Predictive Value of Tests Germany Reproducibility of Results Radiation Exposure Coronary Angiography Coronary Vessels Aged Radiographic Image Interpretation, Computer-Assisted Radiation Dosage Male
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