AIMC Topic: Coronary Angiography

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Explainable deep-learning-based ischemia detection using hybrid O-15 HO perfusion positron emission tomography and computed tomography imaging with clinical data.

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology Jun 8, 2024
BACKGROUND: We developed an explainable deep-learning (DL)-based classifier to identify flow-limiting coronary artery disease (CAD) by O-15 HO perfusion positron emission tomography computed tomography (PET/CT) and coronary CT angiography (CTA) imagi...
Humans Female Aged Positron Emission Tomography Computed Tomography Coronary Artery Disease Myocardial Ischemia Computed Tomography Angiography Myocardial Perfusion Imaging Oxygen Radioisotopes Sensitivity and Specificity Male Middle Aged Deep Learning Coronary Angiography
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Artificial Intelligence-Enabled Quantitative Coronary Plaque and Hemodynamic Analysis for Predicting Acute Coronary Syndrome.

JACC. Cardiovascular imaging May 15, 2024
BACKGROUND: A lesion-level risk prediction for acute coronary syndrome (ACS) needs better characterization.
Multidetector Computed Tomography Plaque, Atherosclerotic Computed Tomography Angiography Coronary Circulation Radiographic Image Interpretation, Computer-Assisted Coronary Artery Disease Acute Coronary Syndrome Coronary Vessels Rupture, Spontaneous Reproducibility of Results Risk Factors Aged Male Middle Aged Risk Assessment Severity of Illness Index Hemodynamics Time Factors Predictive Value of Tests Coronary Angiography Humans Artificial Intelligence Prognosis Female
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Real-time coronary artery segmentation in CAG images: A semi-supervised deep learning strategy.

Artificial intelligence in medicine May 9, 2024
BACKGROUND: When treating patients with coronary artery disease and concurrent renal concerns, we often encounter a conundrum: how to achieve a clearer view of vascular details while minimizing the contrast and radiation doses during percutaneous cor...
Coronary Vessels Image Processing, Computer-Assisted Coronary Angiography Percutaneous Coronary Intervention Coronary Artery Disease Supervised Machine Learning Humans Deep Learning
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Evaluation of image quality on low contrast media with deep learning image reconstruction algorithm in prospective ECG-triggering coronary CT angiography.

The international journal of cardiovascular imaging May 9, 2024
To assess the impact of low-dose contrast media (CM) injection protocol with deep learning image reconstruction (DLIR) algorithm on image quality in coronary CT angiography (CCTA). In this prospective study, patients underwent CCTA were prospectively...
Humans Prospective Studies Female Reproducibility of Results Coronary Vessels Contrast Media Radiation Dosage Predictive Value of Tests Aged Multidetector Computed Tomography Coronary Angiography Male Computed Tomography Angiography Radiographic Image Interpretation, Computer-Assisted Middle Aged Cardiac-Gated Imaging Techniques Coronary Artery Disease Deep Learning Heart Rate Electrocardiography
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G2ViT: Graph Neural Network-Guided Vision Transformer Enhanced Network for retinal vessel and coronary angiograph segmentation.

Neural networks : the official journal of the International Neural Network Society May 3, 2024
Blood vessel segmentation is a crucial stage in extracting morphological characteristics of vessels for the clinical diagnosis of fundus and coronary artery disease. However, traditional convolutional neural networks (CNNs) are confined to learning l...
Humans Neural Networks, Computer Coronary Vessels Retinal Vessels Algorithms Deep Learning Image Processing, Computer-Assisted Coronary Angiography Coronary Artery Disease
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Artificial intelligence in coronary artery calcium score: rationale, different approaches, and outcomes.

The international journal of cardiovascular imaging May 3, 2024
Almost 35 years after its introduction, coronary artery calcium score (CACS) not only survived technological advances but became one of the cornerstones of contemporary cardiovascular imaging. Its simplicity and quantitative nature established it as ...
Humans Artificial Intelligence Vascular Calcification Prognosis Predictive Value of Tests Computed Tomography Angiography Reproducibility of Results Coronary Angiography Cardiac-Gated Imaging Techniques Severity of Illness Index Radiographic Image Interpretation, Computer-Assisted Deep Learning Coronary Artery Disease Coronary Vessels
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Deep learning approach for cardiovascular disease risk stratification and survival analysis on a Canadian cohort.

The international journal of cardiovascular imaging Apr 28, 2024
The quantification of carotid plaque has been routinely used to predict cardiovascular risk in cardiovascular disease (CVD) and coronary artery disease (CAD). To determine how well carotid plaque features predict the likelihood of CAD and cardiovascu...
Heart Disease Risk Factors Humans Aged Image Interpretation, Computer-Assisted Time Factors Decision Support Techniques Male Prognosis Carotid Intima-Media Thickness Canada Middle Aged Female Carotid Arteries Predictive Value of Tests Risk Assessment Risk Factors Plaque, Atherosclerotic Coronary Angiography Deep Learning Carotid Artery Diseases Coronary Artery Disease
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3D printing of an artificial intelligence-generated patient-specific coronary artery segmentation in a support bath.

Biomedical materials (Bristol, England) Apr 26, 2024
Accurate segmentation of coronary artery tree and personalized 3D printing from medical images is essential for CAD diagnosis and treatment. The current literature on 3D printing relies solely on generic models created with different software or 3D c...
Software Humans Coronary Angiography Algorithms Artificial Intelligence Coronary Vessels Deep Learning Alginates Imaging, Three-Dimensional Computed Tomography Angiography Printing, Three-Dimensional
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Prognostic value of a novel artificial intelligence-based coronary CTA-derived ischemia algorithm among patients with normal or abnormal myocardial perfusion.

Journal of cardiovascular computed tomography Apr 24, 2024
BACKGROUND: Among patients with obstructive coronary artery disease (CAD) on coronary computed tomography angiography (CTA), downstream positron emission tomography (PET) perfusion imaging can be performed to assess the presence of myocardial ischemi...
Finland Female Angina, Unstable Reproducibility of Results Coronary Stenosis Risk Factors Positron-Emission Tomography Adenosine Aged Severity of Illness Index Male Coronary Vessels Humans Time Factors Middle Aged Vasodilator Agents Artificial Intelligence Predictive Value of Tests Computed Tomography Angiography Algorithms Coronary Angiography Coronary Circulation Coronary Artery Disease Prognosis Myocardial Perfusion Imaging Retrospective Studies
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AI-enabled cardiac chambers volumetry in coronary artery calcium scans (AI-CAC) predicts heart failure and outperforms NT-proBNP: The multi-ethnic study of Atherosclerosis.

Journal of cardiovascular computed tomography Apr 24, 2024
INTRODUCTION: Coronary artery calcium (CAC) scans contain useful information beyond the Agatston CAC score that is not currently reported. We recently reported that artificial intelligence (AI)-enabled cardiac chambers volumetry in CAC scans (AI-CAC™...
Risk Factors Aged Aged, 80 and over Male Middle Aged Risk Assessment Incidence Time Factors United States Predictive Value of Tests Coronary Angiography Artificial Intelligence Biomarkers Prognosis Peptide Fragments Humans Multidetector Computed Tomography Female Radiographic Image Interpretation, Computer-Assisted Reproducibility of Results Vascular Calcification Coronary Artery Disease Asymptomatic Diseases Heart Failure Computed Tomography Angiography Natriuretic Peptide, Brain
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