Coronary Angiography

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...

Reproducibility of Results Aged Male Middle Aged Electrocardiography Contrast Media Predictive Value of Tests Humans Retrospective Studies Female Multidetector Computed Tomography Computed Tomography Angiography Coronary Circulation Myocardial Perfusion Imaging Gadolinium DTPA Magnetic Resonance Imaging, Cine Cardiac-Gated Imaging Techniques Iopamidol Myocardium Coronary Angiography Radiographic Image Interpretation, Computer-Assisted Coronary Artery Disease Myocardial Infarction Knowledge Bases Observer Variation

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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 ...

Signal-To-Noise Ratio Multidetector Computed Tomography Computed Tomography Angiography Radiation Exposure Female Reproducibility of Results Aged Male Middle Aged Body Mass Index Coronary Angiography Predictive Value of Tests Humans Radiographic Image Interpretation, Computer-Assisted Algorithms Coronary Artery Disease Knowledge Bases Germany Coronary Vessels Radiation Dosage

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Epicardial adipose tissue and myocardial ischemia assessed by computed tomography perfusion imaging and invasive fractional flow reserve.

Journal of cardiovascular computed tomography Dec 30, 2016

BACKGROUND: Epicardial adipose tissue (EAT) is a metabolically active fat depot that is associated with incident coronary artery disease (CAD) and major adverse cardiovascular events. The relationship between EAT and myocardial ischemia remains uncle...

Coronary Angiography Radiographic Image Interpretation, Computer-Assisted Coronary Artery Disease Coronary Vessels Myocardial Perfusion Imaging Coronary Stenosis Fractional Flow Reserve, Myocardial Tomography, X-Ray Computed Female Aged Male Middle Aged Adipose Tissue Predictive Value of Tests Pericardium Humans

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Global quantification of left ventricular myocardial perfusion at dynamic CT imaging: Prognostic value.

Journal of cardiovascular computed tomography Dec 28, 2016

BACKGROUND: There is no published data on the prognostic value of global myocardial perfusion values at stress dynamic CT myocardial perfusion imaging (CTMPI).

Coronary Angiography Male Humans Registries Middle Aged Prognosis Coronary Artery Disease Risk Assessment Retrospective Studies Myocardial Infarction Severity of Illness Index Female Proportional Hazards Models United States Risk Factors Kaplan-Meier Estimate Europe Hospitalization Asia Predictive Value of Tests Aged Myocardial Revascularization Computed Tomography Angiography Coronary Circulation Myocardial Perfusion Imaging Angina, Unstable Coronary Stenosis

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Impact of robotics and a suspended lead suit on physician radiation exposure during percutaneous coronary intervention.

Cardiovascular revascularization medicine : including molecular interventions Dec 16, 2016

BACKGROUND: Reports of left-sided brain malignancies among interventional cardiologists have heightened concerns regarding physician radiation exposure. This study evaluated the impact of a suspended lead suit and robotic system on physician radiatio...

Time Factors Occupational Exposure Logistic Models Lead Robotics Coronary Angiography Equipment Design Humans Physicians Prospective Studies Risk Factors Risk Assessment Radiation Exposure Percutaneous Coronary Intervention Radiation Monitoring Linear Models Radiation Protection Head Protective Clothing Radiation Dosage Radiation Dosimeters Multivariate Analysis Radiography, Interventional Thorax

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Early surgery after angiography in patients scheduled for valve replacement.

Asian cardiovascular & thoracic annals Nov 14, 2016

Background There are limited data regarding the risks of cardiac surgery early after coronary angiography in patients scheduled for isolated aortic and/or mitral valve replacement. Our aim was to evaluate the risk of early surgery after coronary angi...

Heart Valve Diseases Heart Valve Prosthesis Implantation Aged Time-to-Treatment Aged, 80 and over Renal Insufficiency Male Middle Aged Risk Assessment Treatment Outcome Time Factors Aortic Valve Hospital Mortality Predictive Value of Tests Humans Coronary Angiography Biomarkers Creatinine Retrospective Studies Patient Selection Acute Kidney Injury Mitral Valve Female Risk Factors

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The use of machine learning for the identification of peripheral artery disease and future mortality risk.

Journal of vascular surgery Jun 3, 2016

OBJECTIVE: A key aspect of the precision medicine effort is the development of informatics tools that can analyze and interpret "big data" sets in an automated and adaptive fashion while providing accurate and actionable clinical information. The aim...

Genomics Logistic Models Peripheral Arterial Disease Predictive Value of Tests Area Under Curve Coronary Angiography Data Mining Reproducibility of Results Risk Factors Aged Male Middle Aged Risk Assessment ROC Curve Ankle Brachial Index Linear Models Humans Machine Learning Algorithms Decision Support Techniques Databases, Factual Prognosis Female

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First-in-human robotic percutaneous coronary intervention for unprotected left main stenosis.

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions May 18, 2016

The safety and feasibility of robotically-assisted percutaneous coronary intervention (PCI) for simple coronary lesions has been demonstrated. The CorPath robotic system (Corpath 200, Corindus, Waltham, MA) consists of a robotic arm mounted on the ca...

Radiography, Interventional Therapy, Computer-Assisted Product Surveillance, Postmarketing Coronary Stenosis Surgical Equipment Angioplasty, Balloon, Coronary Intra-Aortic Balloon Pumping Equipment Design Registries Fluoroscopy Feasibility Studies Stents Heart-Assist Devices California Adult Male Ventricular Function, Left Hemodynamics Treatment Outcome Robotics Coronary Angiography Humans Prospective Studies Female Aged Aged, 80 and over

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Artificial neural network modeling enhances risk stratification and can reduce downstream testing for patients with suspected acute coronary syndromes, negative cardiac biomarkers, and normal ECGs.

The international journal of cardiovascular imaging Dec 1, 2015

Despite uncertain yield, guidelines endorse routine stress myocardial perfusion imaging (MPI) for patients with suspected acute coronary syndromes, unremarkable serial electrocardiograms, and negative troponin measurements. In these patients, outcome...

Electrocardiography Predictive Value of Tests Coronary Angiography Troponin Coronary Artery Disease Female Acute Coronary Syndrome Tomography, Emission-Computed, Single-Photon Risk Factors Unnecessary Procedures Aged Myocardial Perfusion Imaging Male Coronary Stenosis Middle Aged Humans Risk Assessment Neural Networks, Computer Severity of Illness Index Decision Support Techniques Biomarkers Prognosis Retrospective Studies

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Aggressive hydraTion in patients with ST-Elevation Myocardial infarction undergoing Primary percutaneous coronary intervention to prevenT contrast-induced nephropathy (ATTEMPT): Study design and protocol for the randomized, controlled trial, the ATTEMPT, RESCIND 1 (First study for REduction of contraSt-induCed nephropathy followINg carDiac catheterization) trial.

American heart journal Oct 20, 2015

Adequate hydration is recommended for acute ST-elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI) to prevent contrast-induced nephropathy (CIN). However, the optimal hydration regimen has not ...

Acute Kidney Injury Female Risk Factors Male Middle Aged China Incidence Electrocardiography Treatment Outcome Contrast Media Coronary Angiography Fluid Therapy Percutaneous Coronary Intervention Myocardial Infarction Humans Research Design Prospective Studies Preoperative Care

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Explore the latest research on artificial intelligence and machine learning in medicine.

Impact of knowledge-based iterative model reconstruction on myocardial late iodine enhancement in computed tomography and comparison with cardiac magnetic resonance.

Improved image quality with simultaneously reduced radiation exposure: Knowledge-based iterative model reconstruction algorithms for coronary CT angiography in a clinical setting.

Epicardial adipose tissue and myocardial ischemia assessed by computed tomography perfusion imaging and invasive fractional flow reserve.

Global quantification of left ventricular myocardial perfusion at dynamic CT imaging: Prognostic value.

Impact of robotics and a suspended lead suit on physician radiation exposure during percutaneous coronary intervention.

Early surgery after angiography in patients scheduled for valve replacement.

The use of machine learning for the identification of peripheral artery disease and future mortality risk.

First-in-human robotic percutaneous coronary intervention for unprotected left main stenosis.

Artificial neural network modeling enhances risk stratification and can reduce downstream testing for patients with suspected acute coronary syndromes, negative cardiac biomarkers, and normal ECGs.

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