AIMC Topic: Echocardiography, Doppler

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Mechanism for temporal changes in exercise capacity after Fontan palliation: Role of Doppler echocardiography.

American heart journal Oct 22, 2017
BACKGROUND: The objective was to better understand Doppler hemodynamics and exercise capacity in patients with Fontan palliation by delineating the hemodynamic mechanism for temporal changes in their peak oxygen consumption (V̇o).
Time Factors Echocardiography, Doppler Treatment Outcome Fontan Procedure Michigan Heart Defects, Congenital Follow-Up Studies Pulmonary Atresia Age Factors Adult Tricuspid Atresia Exercise Tolerance Oxygen Consumption Male Academic Medical Centers Exercise Test Humans Cohort Studies Double Outlet Right Ventricle Retrospective Studies Young Adult
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Phenomapping for the Identification of Hypertensive Patients with the Myocardial Substrate for Heart Failure with Preserved Ejection Fraction.

Journal of cardiovascular translational research Mar 3, 2017
We sought to evaluate whether unbiased machine learning of dense phenotypic data ("phenomapping") could identify distinct hypertension subgroups that are associated with the myocardial substrate (i.e., abnormal cardiac mechanics) for heart failure wi...
Risk Assessment United States Hypertension Male Stroke Volume Middle Aged Heart Failure Pattern Recognition, Automated Stress, Mechanical Echocardiography, Doppler Cluster Analysis Predictive Value of Tests Female Blood Pressure Risk Factors Machine Learning Adult Aged Phenotype Humans Cross-Sectional Studies Prognosis Biomechanical Phenomena
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Computer-aided diagnosis of Myocardial Infarction using ultrasound images with DWT, GLCM and HOS methods: A comparative study.

Computers in biology and medicine Apr 10, 2015
Myocardial Infarction (MI) or acute MI (AMI) is one of the leading causes of death worldwide. Precise and timely identification of MI and extent of muscle damage helps in early treatment and reduction in the time taken for further tests. MI diagnosis...
Signal Processing, Computer-Assisted Myocardial Infarction Echocardiography, Doppler Humans Diagnosis, Computer-Assisted Support Vector Machine Female Male
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NT-proBNP test with improved accuracy for the diagnosis of chronic heart failure.

Medicine Dec 1, 2017
The circulating concentration of N-terminal pro-brain natriuretic peptide (NT-proBNP) has been shown to be a diagnostic tool for the detection of heart failure. Several factors influence NT-proBNP levels including age, sex, and body mass index (BMI)....
Middle Aged Risk Assessment Severity of Illness Index China ROC Curve Natriuretic Peptide, Brain Age Factors Echocardiography, Doppler Aged, 80 and over Heart Failure Sensitivity and Specificity Sex Factors Male Diagnostic Tests, Routine Chronic Disease Humans Area Under Curve Databases, Factual Peptide Fragments Retrospective Studies Biomarkers Female Aged
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Cognitive Machine-Learning Algorithm for Cardiac Imaging: A Pilot Study for Differentiating Constrictive Pericarditis From Restrictive Cardiomyopathy.

Circulation. Cardiovascular imaging Jun 1, 2016
BACKGROUND: Associating a patient's profile with the memories of prototypical patients built through previous repeat clinical experience is a key process in clinical judgment. We hypothesized that a similar process using a cognitive computing tool wo...
Pilot Projects ROC Curve Diagnosis, Differential Stroke Volume Middle Aged Case-Control Studies Biopsy Feasibility Studies Echocardiography, Doppler Predictive Value of Tests Area Under Curve Myocardium Decision Support Techniques Female Reproducibility of Results Aged Male Ventricular Function, Left Humans Machine Learning Algorithms Cardiomyopathy, Restrictive Pericarditis, Constrictive
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