Results 101 to 110 of about 125,317 (279)

Simultaneous Visualization of the Carotid and Subclavian Arteries Using Non–Contrast‐Enhanced MR Angiography With a 3D Fast Field Echo Sequence and Time‐Spatial Labeling Inversion Pulse: A Comparison With 3D Time‐of‐Flight MR Angiography

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Carotid artery stenosis is a major cause of stroke. Non‐contrast MR angiography (MRA) using time‐spatial labeling inversion pulse (Time‐SLIP) may offer potential advantages over 3D time‐of‐flight (TOF)‐MRA for simultaneous visualization of carotid, vertebral, and subclavian arteries, but remains uninvestigated.
Hitomi Numamoto   +9 more
wiley   +1 more source

Effort angina in a patient with advanced coronary artery disease. Role played by coronary angiography, Ivus and cardiac CT: case report

open access: yesCardiovascular Ultrasound, 2008
Coronary angiography is considered to be the gold standard technique for assessing the severity of obstructive luminal narrowing; however, in a few circumstances it may be misleading.
Pace Biagio   +6 more
doaj   +1 more source

Alcohol Septal Ablation in Hypertrophic Obstructive Cardiomyopathy: Long‐Term Follow‐Up of Deformations and Hemodynamics

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background A detailed evaluation of hemodynamics, supportive morphology, and deformation may help uncover the pathophysiology of hypertrophic obstructive cardiomyopathy (HOCM) and the changes wrought by alcohol septal ablation (ASA). Purpose To investigate the global cardiac volume, myocardial deformation, and hemodynamic characteristics ...
Kenichiro Suwa   +5 more
wiley   +1 more source

Role of Computed Tomography and Other Non-Invasive and Invasive Imaging Modalities in Cardiac Allograft Vasculopathy

open access: yesJournal of Cardiovascular Development and Disease
Cardiac allograft vasculopathy (CAV) is a leading cause of allograft dysfunction and failure. CAV prevention, early detection, and management are essential to increasing allograft survival.
Siddhant Passey   +7 more
doaj   +1 more source

Pre‐operative transcranial Doppler ultrasound assessment of cerebral collateral circulation in children undergoing veno‐arterial extracorporeal membrane oxygenation or cardiac surgery

open access: yesJournal of Medical Radiation Sciences, EarlyView.
A pre‐cannulation survey of the circle of Willis (CoW) using transcranial Doppler (TCD) ultrasound was implemented to assess cerebral collateral circulation in children undergoing VA ECMO or cardiac surgery with cervical cannulation. The technique, in use since 2019, employs high‐end ultrasound platforms to assess brain morphology, haemorrhage and ...
Tristan Reddan   +3 more
wiley   +1 more source

Optimized reconstruction of undersampled Dixon sequences using new memory‐efficient unrolled deep neural networks: HalfVarNet and HalfDIRCN

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose Fat fraction (FF) quantification in individual muscles using quantitative MRI is of major importance for monitoring disease progression and assessing disease severity in neuromuscular diseases. Undersampling of MRI acquisitions is commonly used to reduce scanning time. The present paper introduces novel unrolled neural networks for the
Sandra Martin   +6 more
wiley   +1 more source

A Combination of Two Rare Coronary Anomalies Makes It Even Rarer: Right Sided Single Coronary Artery with Dual Left Anterior Descending Artery

open access: yesCase Reports in Cardiology, 2016
An 82-year-old female with history of hyperlipidemia and hypertension presented to the clinic with chief complaint of nonradiating chest tightness accompanied by exertional dyspnea.
Aram Barbaryan   +5 more
doaj   +1 more source

Detection of cardiac allograft vasculopathy on dual source computed tomography in heart transplant recipients: comparison with invasive coronary angiography [PDF]

open access: bronze, 2022
Vineeta Ojha   +10 more
openalex   +1 more source

Transcranial Doppler ultrasound validation of BOLD‐fMRI cerebral blood flow relationship

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose A precise understanding of the interplay between cerebral blood flow (CBF) and blood oxygen level‐dependent (BOLD) fMRI signals is essential for advancing cerebrovascular research. Although calibrated BOLD approaches often rely on arterial spin labelling (ASL) to estimate CBF, alternative validation using transcranial Doppler ...
Genevieve Hayes   +3 more
wiley   +1 more source

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