Fiber-Optic Cardiorespiratory Monitoring and Triggering in Magnetic Resonance Imaging

M Ladrova, J Nedoma, R Martinek… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
During the past decades, fiber-optic technology has become a very popular tool for vital
signs monitoring. Thanks to its advantageous properties, such as noninvasiveness …

Camera PPG waveforms at the forehead

AC den Brinker, HH Der Sarkissian, JH Wülbern… - arXiv preprint arXiv …, 2023 - arxiv.org
In order to obtain insights into the feasibility of replacing ECG-guided triggering in magnetic
resonance imaging (MRI) by a system based on video photoplethysmography (PPG), PPG …

Imaging and diagnostic methods, systems, and computer-readable media

KZ Abd-Elmoniem, AM Gharib, RI Pettigrew - US Patent 11,464,413, 2022 - Google Patents
One aspect of the present subject matter provides an imaging method including: receiving a
trigger signal; after a period substantially equal to a trigger delay minus an inversion delay …

Free-running SIMilarity-Based Angiography (SIMBA) for simplified anatomical MR imaging of the heart

J Heerfordt, KK Whitehead, JAM Bastiaansen… - arXiv preprint arXiv …, 2020 - arxiv.org
Purpose: Whole-heart MRA techniques typically target pre-determined motion states and
address cardiac and respiratory dynamics independently. We propose a novel fast …

Adaptive black blood fast spin echo for end‐systolic rest cardiac imaging

B Fernandez, J Oster, M Lohezic… - Magnetic …, 2010 - Wiley Online Library
Abstract Black Blood Fast Spin Echo imaging of the heart is usually performed during mid‐
diastolic rest. This is a direct consequence of the long inversion time required to suppress …

Magnetic resonance imaging device and angiography using same

N Yoshizawa, S Kurokawa - US Patent 9,500,732, 2016 - Google Patents
In the non-contrast 3D angiography, degradation of image quality caused by change of the
cardiac cycle and degradation of image quality depending on the blood flow direction are …

Repositioning precision of coronary arteries measured on X‐ray angiography and its implications for coronary MR angiography

S Coppo, M Firsova, D Locca, JF Knebel… - Journal of Magnetic …, 2015 - Wiley Online Library
Background To test the hypothesis that intervals with superior beat‐to‐beat coronary artery
repositioning precision exist in the cardiac cycle, to design a coronary MR angiography …

Medical image diagnosis apparatus

E Nomura, H Kanazawa - US Patent 11,471,065, 2022 - Google Patents
A medical image diagnosis apparatus according to an embodiment includes processing
circuitry. The processing circuitry is configured to derive a subject-specific regression model …

[PDF][PDF] Advanced Techniques for Cardiovascular Magnetic Resonance Imaging in Cases of Irregular Motion

CP Kolbitsch - 2012 - kclpure.kcl.ac.uk
Magnetic resonance imaging (MRI) has recently been shown to provide valuable
information for image-guided ablation therapy used to treat patients suffering from cardiac …

[图书][B] Flow mediated dilatation (FMD) assessment via an MRI integrated signal intensity (IntSI) approach: A comparison with ultrasound

OA Olowoyeye - 2017 - search.proquest.com
Endothelial dysfunction is a precursor of atherosclerosis. Flow mediated dilatation (FMD) is
a measure of endothelial function. Ultrasound (US) is often used during FMD studies, but US …