keyword
MENU ▼
Read by QxMD icon Read
search

TIA MRI

keyword
https://www.readbyqxmd.com/read/27898582/antithrombotic-therapy-in-patients-with-cerebral-microbleeds
#1
Duncan Wilson, David J Werring
PURPOSE OF REVIEW: Cerebral microbleeds (CMBs) are a radiological marker of cerebral small vessel disease corresponding to small haemosiderin foci identified by blood-sensitive MRI. CMBs are common in older community populations, and in individuals with ischaemic stroke or transient ischaemic attack (TIA), and intracerebral haemorrhage (ICH). We summarize how CMBs might contribute to assessing the future risk of ischaemic stroke and ICH to inform antithrombotic (antiplatelet or anticoagulant) decisions...
November 24, 2016: Current Opinion in Neurology
https://www.readbyqxmd.com/read/27854089/serial-neuroimaging-of-a-patient-with-minor-stroke-due-to-isolated-cortical-vein-thrombosis-and-convexal-subarachnoid-hemorrhage
#2
Pei-Ya Chen, Kun-Eng Lim, Shinn-Kuang Lin
PURPOSE: Convexal subarachnoid hemorrhage (cSAH) comprises less than 5% of cases of nontraumatic SAH and frequently presents as a focal and transient neurological deficits that mimics transient ischemic attack (TIA). Isolated cortical vein thrombosis (ICVT) is rare and accounts for only 6.3% of cerebral venous thrombosis. We present a case of minor stroke due to cSAH secondary to ICVT, and alos put emphasis on the chronological change of those serial imagings. CASE REPORT: An 87-year-old man presented with episodes of numbness and dropping of his left arm, which had lasted for three days...
September 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/27765556/impact-of-the-new-american-heart-association-american-stroke-association-definition-of-stroke-on-the-results-of-the-stenting-and-aggressive-medical-management-for-preventing-recurrent-stroke-in-intracranial-stenosis-trial
#3
Sami Al Kasab, Michael J Lynn, Tanya N Turan, Colin P Derdeyn, David Fiorella, Bethany F Lane, L Scott Janis, Marc I Chimowitz
BACKGROUND: An American Heart Association/American Stroke Association (AHA/ASA) writing committee has recently recommended that tissue evidence of cerebral infarction associated with temporary symptoms (CITS) lasting <24 hours should be considered a stroke. We analyzed the impact of considering CITS as equivalent to stroke on the results of the Stenting and Aggressive Medical Management for Preventing Recurrent Stroke in Intracranial Stenosis (SAMMPRIS) trial. METHODS: We compared outcomes in the medical (n = 227) and stenting (n = 224) groups in SAMMPRIS using the following primary end point (new components in bold): any stroke, CITS, or death within 30 days after enrollment or within 30 days after a revascularization procedure for the qualifying lesion during follow-up; or ischemic stroke or CITS in the territory of the qualifying artery beyond 30 days...
October 17, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27716145/kidney-function-is-associated-with-severity-of-white-matter-hyperintensity-in-patients-with-acute-ischemic-stroke-tia
#4
Lixia Zong, Ming Yao, Jun Ni, Lixin Zhou, Jing Yuan, Bin Peng, Yi-Cheng Zhu, Liying Cui
BACKGROUND: Previous studies suggested the potential interactions between cerebrovascular diseases and impaired renal function. However, the relationship between renal function and white matter hyperintensity (WMH), marker of cerebral small vessel disease, in patients with acute ischemic stroke (AIS) or transient ischemic attack (TIA) remains unknown. METHODS: We consecutively enrolled 1632 subjects with AIS or TIA who underwent brain MRI for this analysis. The severity of WMH in both of periventricular (PVH) and deep subcortical white matter (SDWMH) was evaluated using Fazekas scale...
October 6, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27532106/qualitative-evaluation-of-a-high-resolution-3d-multi-sequence-intracranial-vessel-wall-protocol-at-3-tesla-mri
#5
Nikki Dieleman, Wenjie Yang, Anja G van der Kolk, Jill Abrigo, Ka Lok Lee, Winnie Chiu Wing Chu, Jaco J M Zwanenburg, Jeroen C W Siero, Ka Sing Wong, Jeroen Hendrikse, Fiona Xiang Yan Chen
BACKGROUND AND PURPOSE: Intracranial vessel wall imaging using MRI has great potential as a clinical method for assessing intracranial atherosclerosis. The purpose of the current study was to compare three 3T MRI vessel wall sequences with different contrast weightings (T1w, PD, T2w) and dedicated sagittal orientation perpendicular to the middle cerebral artery, to the reconstructed sagittal image from a transverse 3D T1w volumetric isotropically reconstructed turbo spin-echo acquisition (VIRTA), and provide a clinical recommendation...
2016: PloS One
https://www.readbyqxmd.com/read/27521431/accelerated-development-of-cerebral-small-vessel-disease-in-young-stroke-patients
#6
Renate M Arntz, Steffen M A van den Broek, Inge W M van Uden, Mohsen Ghafoorian, Bram Platel, Loes C A Rutten-Jacobs, Noortje A M Maaijwee, Pauline Schaapsmeerders, Hennie C Schoonderwaldt, Ewoud J van Dijk, Frank-Erik de Leeuw
OBJECTIVE: To study the long-term prevalence of small vessel disease after young stroke and to compare this to healthy controls. METHODS: This prospective cohort study comprises 337 patients with an ischemic stroke or TIA, aged 18-50 years, without a history of TIA or stroke. In addition, 90 age- and sex-matched controls were included. At follow-up, lacunes, microbleeds, and white matter hyperintensity (WMH) volume were assessed using MRI. To investigate the relation between risk factors and small vessel disease, logistic and linear regression were used...
September 20, 2016: Neurology
https://www.readbyqxmd.com/read/27507863/cerebral-microbleeds-and-cortical-superficial-siderosis-in-patients-presenting-with-minor-cerebrovascular-events
#7
Charlotte Zerna, Jayesh Modi, Lisa Bilston, Ashkan Shoamanesh, Shelagh B Coutts, Eric E Smith
BACKGROUND AND PURPOSE: Transient focal neurological episodes occur in cerebral amyloid angiopathy (CAA) and can mimic transient ischemic attack (TIA). Risk factors and outcomes of minor ischemic stroke or TIA might differ in patients with and without cerebral microbleeds (CMBs), including CAA-consistent lobar CMB. METHODS: Baseline magnetic resonance imaging (MRI) was analyzed for CMBs and cortical superficial siderosis in 416 patients in the prospective computed tomography and MRI in the CATCH study (Triage of TIA and Minor Cerebrovascular Events to Identify High Risk Patients)...
September 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27486795/transcranial-sonography-of-the-insula-digitized-image-analysis-of-fusion-images-with-magnetic-resonance
#8
D Školoudík, P Bártová, J Mašková, P Dušek, J Blahuta, K Langová, U Walter, R Herzig
Purpose: Transcranial B-mode sonography (TCS) of brain parenchyma is increasingly used as a diagnostic tool for movement disorders. Accordingly, experimental B-Mode Assist software was developed to enable digitized analysis of the echogenicity of predefined brain regions. The aim of the study was to assess the reproducibility of digitized TCS image analysis of the insula. Materials and Methods: A total of 130 patients with an indication for neurosonological examination were screened for participation in the study...
August 3, 2016: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/27461465/association-between-vertebral-artery-hypoplasia-and-posterior-circulation-stroke
#9
Virginija Gaigalaite, Augenijus Vilimas, Violeta Ozeraitiene, Jurate Dementaviciene, Ricardas Janilionis, Danute Kalibatiene, Saulius Rocka
BACKGROUND: The clinical significance of vertebral artery (VA) hypoplasia is under discussion. The aim of this retrospective study is to evaluate a hypothesis of a possible causal link between VA hypoplasia (VAH) and the incidence of posterior circulation stroke (PCS) or TIA depending on the degree of VAH and vascular risk factors. METHODS: A total of 367 symptomatic (PCS or TIA) and 742 asymptomatic subjects, were selected to participate in the study. The extracranial arteries were examined by ultrasound...
2016: BMC Neurology
https://www.readbyqxmd.com/read/27397561/sleep-duration-and-white-matter-quality-in-middle-aged-adults
#10
Kristine Yaffe, Ilya Nasrallah, Tina D Hoang, Diane S Lauderdale, Kristen L Knutson, Mercedes R Carnethon, Lenore J Launer, Cora E Lewis, Stephen Sidney
STUDY OBJECTIVES: Sleep duration has been associated with risk of dementia and stroke, but few studies have investigated the relationship between sleep duration and brain MRI measures, particularly in middle age. METHODS: In a prospective cohort of 613 black and white adults (mean age = 45.4 years) enrolled in the Coronary Artery Risk Development in Young Adults (CARDIA) study, participants reported typical sleep duration, dichotomized into moderate sleep duration (> 6 to ≤ 8 h) and short sleep duration (≤ 6 h) at baseline (2005-2006)...
2016: Sleep
https://www.readbyqxmd.com/read/27355708/measurement-of-thoracic-inlet-alignment-on-mri-reliability-and-the-influence-of-body-position
#11
Jun Qiao, Feng Zhu, Zhen Liu, Leilei Xu, Zezhang Zhu, Bangping Qian, Xu Sun, Qing Jiang, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: To investigate the reliability of using MRI to measure thoracic outlet parameters and whether supine MRI could supersede upright X-ray in measuring these parameters. SUMMARY OF BACKGROUND DATA: In X-ray, overlapped soft and bony tissues make sternum contour invisible. Thus, measuring thoracic inlet alignment in X-ray may be inaccurate. MRI could clearly show anatomy around thoracic inlet...
June 28, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27347052/application-of-3-0t-magnetic-resonance-arterial-spin-labeling-asl-technology-in-mild-and-moderate-intracranial-atherosclerotic-stenosis
#12
Zhongwei Li, Naikun Li, Yanyan Qu, Feng Gai, Guowei Zhang, Guanghui Zhang
The application value of 3.0T magnetic resonance arterial spin labeling (ASL) technology in mild and moderate intracranial atherosclerotic stenosis was evaluated. A total of 58 cases of transient ischemic attack (TIA) and 60 cases of ischemic cerebral apoplexy cases were selected. The cases were analysed using a GE Healthcare Signa HDx 3.0T superconducting whole-body magnetic resonance scan within 24 h of attack. Eight-channel head phased array coils and conventional sequence were used to create T1-weighted images (T1WI), T2WI, diffusion-weighted imaging, magnetic resonance angiography (MRA) and ASL imaging, which were generated into ASL pseudo-color images (blue was hypoperfusion area) through post-processing in order to compare and analyze the correlation and differences between ASL and conventional imaging in terms of lesion location, size, blood perfusion situation and signal range of relative cerebral blood flow (rCBF)...
July 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27320876/-multi-parameter-arterial-spin-labeling-versus-dynamic-magnetic-sensitive-enhanced-cerebral-perfusion-imaging-for-diagnosis-of-transient-cerebral-ischemic-attack
#13
Yang Xu, Jin-Hao Lv, Lin Ma, Wei-Jun Chen, Xin Lou
OBJECTIVE: To evaluate the clinical value of three-dimensional pseudo-continuous arterial spin labeling (3D pCASL) perfusion magnetic resonance imaging (MRI) and dynamic susceptibility contrast (DSC) enhanced perfusion MRI in the diagnosis of transient ischemic attack (TIA). METHODS: Thirty-nine consecutive patients with suspected TIA underwent multi-modal MRI scans including DSC, magnetic resonance angiography (MRA), diffusion-weighted imaging (DWI) and 3D pCASL (post-labeling delay, PLD=1...
June 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27251029/development-and-reliability-evaluation-of-the-movement-rating-instrument-for-virtual-reality-video-game-play
#14
Danielle Levac, Joanna Nawrotek, Emilie Deschenes, Tia Giguere, Julie Serafin, Martin Bilodeau, Heidi Sveistrup
BACKGROUND: Virtual reality active video games are increasingly popular physical therapy interventions for children with cerebral palsy. However, physical therapists require educational resources to support decision making about game selection to match individual patient goals. Quantifying the movements elicited during virtual reality active video game play can inform individualized game selection in pediatric rehabilitation. OBJECTIVE: The objectives of this study were to develop and evaluate the feasibility and reliability of the Movement Rating Instrument for Virtual Reality Game Play (MRI-VRGP)...
June 1, 2016: JMIR Serious Games
https://www.readbyqxmd.com/read/27236563/cerebellar-cortical-infarct-cavities-and-vertebral-artery-disease
#15
Laurens J L De Cocker, A Compter, L J Kappelle, P R Luijten, J Hendrikse, H B Van der Worp
INTRODUCTION: Cerebellar cortical infarct cavities are a newly recognised entity associated with atherothromboembolic cerebrovascular disease and worse physical functioning. We aimed to investigate the relationship of cerebellar cortical infarct cavities with symptomatic vertebrobasilar ischaemia and with vascular risk factors. METHODS: We evaluated the MR images of 46 patients with a recent vertebrobasilar TIA or stroke and a symptomatic vertebral artery stenosis ≥50 % from the Vertebral Artery Stenting Trial (VAST) for the presence of cerebellar cortical infarct cavities ≤1...
September 2016: Neuroradiology
https://www.readbyqxmd.com/read/27164678/impaired-renal-function-is-associated-with-brain-atrophy-and-poststroke-cognitive-decline
#16
Eitan Auriel, Efrat Kliper, Shani Shenhar-Tsarfaty, Jeremy Molad, Shlomo Berliner, Itzhak Shapira, Dafna Ben-Bashat, Ludmila Shopin, Oren Tene, Gary A Rosenberg, Natan M Bornstein, Einor Ben Assayag
OBJECTIVE: To evaluate the interrelationship among impaired renal function, brain pathology on imaging, and cognitive decline in a longitudinal poststroke cohort. METHODS: The Tel Aviv Brain Acute Stroke Cohort study is a prospective cohort of mild-moderate ischemic stroke/TIA survivors without dementia who underwent a 3T MRI and were cognitively assessed at admission and for 24 months following stroke. Renal function was evaluated at admission by creatinine clearance (CCl) estimation...
May 24, 2016: Neurology
https://www.readbyqxmd.com/read/27155309/patient-and-process-factors-associated-with-type-of-first-neuroimaging-and-delayed-diagnosis-in-childhood-arterial-ischemic-stroke
#17
Marco Daverio, Silvia Bressan, Dario Gregori, Franz E Babl, Mark T Mackay
OBJECTIVES: In-hospital factors contribute more to delayed diagnosis of childhood arterial ischemic stroke (AIS) than prehospital factors. We aimed to explore process and patient factors associated with type of and timing to neuroimaging in childhood AIS in the emergency department (ED). METHODS: This was a retrospective hospital registry-based study of children with AIS, presenting to an Australian tertiary pediatric ED between January 2003 and December 2012. Neuroimaging data and timelines of care were also collected from referring hospitals for transferred patients...
September 2016: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/27143187/-a-long-term-follow-up-results-of-enterprise-stent-in-treatment-of-severe-symptomatic-basilar-artery-atherosclerotic-stenosis
#18
Y Zhao, M Jin, Q Liu, Diyan Liu, J Chen, B Du
OBJECTIVE: To evaluate the safety and efficacy of Enterprise stent in the treatment of severe symptomatic basilar artery atherosclerosis stenosis. METHODS: All patients who underwent Enterprise stent for the treatment of symptomatic basilar artery atherosclerotic stenosis in our center from Nov. 2011 to Nov. 2014 were enrolled in the study. Preoperative and postoperative dual antiplatelet drugs and intensive lipid-lowering therapy were given to all the patients...
May 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27131768/cha2ds2-vasc-score-age-and-body-mass-index-as-the-main-risk-factors-of-hyperintense-brain-lesions-in-asymptomatic-patients-with-paroxysmal-non-valvular-atrial-fibrillation
#19
Joanna Wieczorek, Katarzyna Mizia-Stec, Anetta Lasek-Bal, Piotr Wieczorek, Andrzej Hoffmann, Seweryn Nowak, Jarosław Kolasa, Maciej Faryan, Iwona Woźniak-Skowerska, Anna Wnuk-Wojnar
BACKGROUND: The aim was to assess the occurrence, severity and risk factors for silent white matter hyperintensities (WMH) in brain magnetic resonance imaging (MRI) in patients with atrial fibrillation (AF) and to determine the potential relationship between WHM and cognitive decline. METHODS: Seventy-four patients with paroxysmal non-valvular AF were enrolled (age 59 (IQR 50-63)years, males 45/61%). All patients were on adequate warfarin treatment before inclusion and had no history of stroke or TIA...
July 15, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27113778/distinctive-patterns-of-three-dimensional-arterial-spin-labeled-perfusion-magnetic-resonance-imaging-in-subtypes-of-acute-ischemic-stroke
#20
Naoto Kohno, Kazunori Okada, Shingo Yamagata, Hiroyuki Takayoshi, Shuhei Yamaguchi
BACKGROUND: Ischemic penumbra in acute ischemic stroke (AIS) can be evaluated using arterial spin-labeled (ASL) perfusion magnetic resonance imaging (MRI). We used three-dimensional ASL-MRI to examine patients with different stroke subtypes and the clinical utility of the method within 24 hours of AIS onset. SUBJECTS AND METHODS: The 55 male and 48 female patients (mean age, 79.0 years) underwent diffusion-weighted imaging (DWI), fluid-attenuated inversion recovery imaging, magnetic resonance angiography, and pulsed continuous ASL perfusion imaging to determine stroke subtype, hypoperfused ASL area, and neurological deficit severity (National Institutes of Health Stroke Scale)...
July 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
keyword
keyword
78232
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"