AIMC Topic: Coronary Angiography

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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).
Predictive Value of Tests Coronary Stenosis Coronary Angiography Registries Coronary Artery Disease Myocardial Infarction Proportional Hazards Models Kaplan-Meier Estimate Aged Humans Asia Male Prognosis Myocardial Revascularization Middle Aged Retrospective Studies Computed Tomography Angiography Risk Assessment Female Coronary Circulation Severity of Illness Index Risk Factors Myocardial Perfusion Imaging United States Hospitalization Europe Angina, Unstable
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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...
Radiography, Interventional Thorax Radiation Exposure Radiation Monitoring Radiation Protection Protective Clothing Radiation Dosimeters Coronary Angiography Equipment Design Percutaneous Coronary Intervention Linear Models Head Radiation Dosage Multivariate Analysis Humans Physicians Prospective Studies Risk Factors Risk Assessment Time Factors Occupational Exposure Logistic Models Lead Robotics
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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...
Risk Factors Aged Aged, 80 and over Male Middle Aged Risk Assessment Time Factors Humans Biomarkers Retrospective Studies Acute Kidney Injury Female Patient Selection Mitral Valve Heart Valve Diseases Heart Valve Prosthesis Implantation Time-to-Treatment Renal Insufficiency Hospital Mortality Treatment Outcome Aortic Valve Predictive Value of Tests Coronary Angiography Creatinine
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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...
Data Mining Ankle Brachial Index Linear Models Reproducibility of Results Risk Factors Aged Male Middle Aged Risk Assessment ROC Curve Genomics Logistic Models Peripheral Arterial Disease Predictive Value of Tests Area Under Curve Coronary Angiography 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...
Humans Prospective Studies Female Aged Aged, 80 and over Adult Male Registries Fluoroscopy Feasibility Studies Stents Heart-Assist Devices California Radiography, Interventional Ventricular Function, Left Hemodynamics Treatment Outcome Robotics Coronary Angiography Equipment Design Therapy, Computer-Assisted Product Surveillance, Postmarketing Coronary Stenosis Surgical Equipment Angioplasty, Balloon, Coronary Intra-Aortic Balloon Pumping
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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...
Coronary Artery Disease Acute Coronary Syndrome Tomography, Emission-Computed, Single-Photon Unnecessary Procedures Myocardial Perfusion Imaging Coronary Stenosis Prognosis Retrospective Studies Female Risk Factors Aged Male Middle Aged Risk Assessment Severity of Illness Index Electrocardiography Predictive Value of Tests Coronary Angiography Humans Neural Networks, Computer Troponin Decision Support Techniques Biomarkers
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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 ...
Fluid Therapy Percutaneous Coronary Intervention Myocardial Infarction Preoperative Care Humans Middle Aged China Incidence Electrocardiography Treatment Outcome Contrast Media Coronary Angiography Research Design Prospective Studies Acute Kidney Injury Female Risk Factors Male
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Myocardial Fractional Flow Reserve Measurement Using Contrast Media as a First-Line Assessment of Coronary Lesions in Current Practice.

The Canadian journal of cardiology Sep 25, 2015
BACKGROUND: Fractional flow reserve (FFR) measurement requires adenosine injection. However, adenosine can induce conductive and rhythmic complications, or be contraindicated in some patients. Contrast-induced hyperemia could provide a simple first-l...
Humans Prospective Studies Female Reproducibility of Results Risk Factors Aged Sensitivity and Specificity Male Middle Aged France Risk Assessment Body Mass Index Triiodobenzoic Acids Contrast Media Coronary Stenosis Predictive Value of Tests Fractional Flow Reserve, Myocardial Coronary Angiography Adenosine Patient Selection
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Fuzzy Rule-Based Classification System for Assessing Coronary Artery Disease.

Computational and mathematical methods in medicine Sep 13, 2015
The aim of this study was to determine the accuracy of fuzzy rule-based classification that could noninvasively predict CAD based on myocardial perfusion scan test and clinical-epidemiological variables. This was a cross-sectional study in which the ...
Computer Simulation Female Aged Adult Cross-Sectional Studies Male Middle Aged Humans Fuzzy Logic Machine Learning Coronary Angiography Coronary Artery Disease Iran Myocardial Perfusion Imaging Models, Cardiovascular
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Fast Computation of Hemodynamic Sensitivity to Lumen Segmentation Uncertainty.

IEEE transactions on medical imaging Jun 16, 2015
Patient-specific blood flow modeling combining imaging data and computational fluid dynamics can aid in the assessment of coronary artery disease. Accurate coronary segmentation and realistic physiologic modeling of boundary conditions are important ...
Coronary Angiography Coronary Artery Disease Coronary Vessels Humans Machine Learning Algorithms Tomography, X-Ray Computed Hemodynamics Imaging, Three-Dimensional
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