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Jennifer Keegan

Researcher at National Institutes of Health

Publications -  162
Citations -  6740

Jennifer Keegan is an academic researcher from National Institutes of Health. The author has contributed to research in topics: Coronary arteries & Heart failure. The author has an hindex of 40, co-authored 160 publications receiving 5865 citations. Previous affiliations of Jennifer Keegan include Imperial College London.

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The Use of Biofeedback with MCLAWS to Guide Respiration and Provide Inspiratory and Expiratory Images from a Single Navigator-Gated 3D Coronary MRA Acquisition

TL;DR: The aim of this work is to combine respiratory biofeedback with mCLAWS in order to regularise the breathing pattern and to exploit the ability of the technique to generate end-expiratory and end-inspiratory images from a single acquisition.
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Three-Dimensional Embedded Attentive RNN (3D-EAR) Segmentor for Left Ventricle Delineation from Myocardial Velocity Mapping

TL;DR: In this article, a 3D-UNet backbone architecture with embedded multichannel attention mechanism and LSTM based recurrent neural networks (RNN) was proposed for the MVM-CMR dataset.
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The utility of magnetic resonance imaging in a trial to assess the effect of renal denervation in heart failure with preserved ejection fraction

TL;DR: This phase II mechanistic study is primarily investigating the effect of RD on patient symptoms, cardio-pulmonary exercise function, B-type natriuretic peptide levels, left ventricular filling pressures,left ventricular mass and left atrial volume, and macrovascular function using aorta imaging to calculate aortA distensibility, pulse wave velocity and aortic flow.
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Improved 3D late gadolinium enhancement (LGE) imaging with dynamic-TI in patients with persistent atrial fibrillation

TL;DR: A dynamic inversion recovery (dynamic-TI) 3D LGE sequence which minimises variations in the longitudinal magnetisation of myocardium throughout the acquisition is developed and performed to assess its efficacy in 17 patients in persistent AF.