نتایج جستجو برای: magnetic resonance angiography mra

تعداد نتایج: 440373  

2011
Ulrike I Attenberger John N Morelli Stefan O Schoenberg Henrik J Michaely

Renal magnetic resonance (MR) imaging has undergone major improvements in the past several years. This review focuses on the technical basics and clinical applications of MR angiography (MRA) with the goal of enabling readers to acquire high-resolution, high quality renal artery MRA. The current role of contrast agents and their safe use in patients with renal impairment is discussed. In additi...

Journal: :The Showa University Journal of Medical Sciences 2023

Carotid artery stenting (CAS) is a procedure used in the treatment of internal carotid stenosis, condition that can lead to cerebral infarction. Cerebral hyperperfusion syndrome among post-CAS complications. Thus, ensure postoperative control, understanding blood flow warranted. Nuclear medicine scan for quantitative assessment flow; however, since magnetic resonance imaging allows artery, it o...

2012
Sheung-Fat Ko Jiunn-Jye Sheu Chen-Chang Lee Chung-Cheng Huang Fan-Yen Lee Shu-Hang Ng Yi-Wei Lee Hon-Kan Yip Min-Chi Chen

The entire vascular tree of 58 lower extremities with high-grade critical limb ischemia (CLI) was assessed with three-station time resolved imaging of contrast kinetics (TRICKS) magnetic resonance angiography (T-MRA) and correlated with digital subtraction angiography (DSA) examinations and Trans-Atlantic Inter-Society Consensus II (TASC II) guidelines. Kappa (κ) statistics were utilized to eva...

Journal: :Journal of the American College of Cardiology 2002
Gerald F Greil Andrew J Powell Hans P Gildein Tal Geva

OBJECTIVE The goal of this study was to evaluate the diagnostic value of gadolinium (Gd)-enhanced three-dimensional (3D) magnetic resonance angiography (MRA) in patients with congenital and acquired anomalies of the pulmonary and systemic veins. BACKGROUND Gadolinium-enhanced 3D MRA is a fast magnetic resonance imaging technique that has shown great promise in the evaluation of large and medi...

2013
Tzung-Chi Huang Chih-Kai Chang Chun-Han Liao Yung-Jen Ho

OBJECTIVE This study compared data on the blood flow velocity in the internal carotid artery, which was obtained using the optical flow method (OFM) with digital subtraction angiography (DSA) and the time-of-flight (TOF) technique using magnetic resonance angiography (MRA). MATERIALS AND METHODS Images were obtained from 12 cerebrovascular patients who underwent both brain DSA and MRA imaging...

Journal: :Journal of magnetic resonance imaging : JMRI 2014
Stéphanie Condette-Auliac Anne Boulin Luca Roccatagliata Oguzhan Coskun Stéphanie Guieu Pierre Guedin Georges Rodesch

The purpose of this review is to describe the diagnostic criteria for spinal cord arteriovenous shunts (SCAVSs) when using magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA), and to discuss the extent to which the different MRI and MRA sequences and technical parameters provide the information that is required to diagnose these lesions properly. SCAVSs are divided into fo...

2017
Min Liu Weifang Liu Haoyuan Li Xiaoming Shu Xincao Tao Zhenguo Zhai

The primary aim of our case-control study was to observe delayed contrast-enhanced magnetic resonance imaging (DCE-MRI) in patients with Takayasu arteritis (TA) in comparison with magnetic resonance angiography (MRA). Twenty-seven patients including 15 with active TA and 12 with stable TA who underwent both aortic MRA and DCE-MRI were included. A total of 27 sex- and age-matched healthy volunte...

2009
Kyoung Eun Lee Choong Gon Choi Jin Woo Choi Byung Se Choi Deok Hee Lee Sang Joon Kim Do Hoon Kwon

OBJECTIVE Although three-dimensional time-of-flight magnetic resonance angiography (3D TOF-MRA) is used frequently as a follow-up tool to assess the response of arteriovenous malformations (AVMs) after radiosurgery, the diagnostic accuracy of 3D TOF-MRA is not well known. We evaluated the diagnostic accuracy of contrast-enhanced 3D TOF-MRA at 3.0 Tesla for the detection of residual AVMs. MATE...

Journal: :Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance 2006
Sophie Mavrogeni George Papadopoulos Marouso Douskou Savas Kaklis Ioannis Seimenis George Varlamis Evangelos Karanasios Xenofon Krikos Aglaia Giannoulia Dennis V Cokkinos

OBJECTIVES We evaluated the ability of magnetic resonance imaging to perform a noninvasive assessment of coronary arteries, function and viability in one examination in a population with Kawasaki disease. BACKGROUND Magnetic resonance angiography (MRA) can identify coronary abnormalities in patients with Kawasaki disease (KD). Contrast enhanced cardiovascular magnetic resonance (CeCMR) is the...

2017
Mariana Bustamante Vikas Gupta Carl-Johan Carlhäll Tino Ebbers

Magnetic Resonance Angiography (MRA) and Phase-Contrast MRA (PC-MRA) approaches used for assessment of cardiovascular morphology typically result in data containing information from the entire cardiac cycle combined into one 2D or 3D image. Information specific to each timeframe of the cardiac cycle is, however, lost in this process. This study proposes a novel technique, called Phase-Contrast ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید