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TIA MRI

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https://www.readbyqxmd.com/read/29145195/contemporary-epidemiology-of-transient-ischemic-attack-in-dijon-france-2013-2015
#1
Yannick Béjot, Céline Brenière, Mathilde Graber, Lucie Garnier, Jérôme Durier, Christelle Blanc-Labarre, Benoit Delpont, Maurice Giroud
BACKGROUND: We aimed to evaluate the epidemiological features of transient ischemic attack (TIA). METHODS: All TIAs were prospectively collected in Dijon, France, using a population-based registry (2013-2015). TIAs were considered the first-ever in patients who had no previous cerebrovascular events (CVEs); otherwise they were considered recurrent TIAs. Annual incidence (first-ever TIAs) and attack rates (first-ever and recurrent TIAs) were calculated. RESULTS: Four hundred twenty TIAs were registered (255 first-ever and 165 recurrent TIAs, mean age: 74...
November 16, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/29061396/increased-level-of-procalcitonin-is-associated-with-total-mri-burden-of-cerebral-small-vessel-disease-in-patients-with-ischemic-stroke
#2
Guangzong Li, Chen Zhu, Jing Li, Xiangming Wang, Qingbin Zhang, Hongjia Zheng, Cheng Zhan
BACKGROUND: Procalcitonin (PCT) has been found to be associated with subclinical cerebrovascular damage. The relationship between PCT levels and cerebral small vessel disease (cSVD), especially cSVD burden, has not been fully understood. This study aimed to investigate the association between PCT levels and cSVD in patients with first-ever acute ischemic stroke or transient ischemic attack (TIA). METHODS: Two hundred and seventy-eight consecutive patients were prospectively recruited during Jan 2016 to Jun 2017...
October 20, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29021357/radiographic-and-symptomatic-brain-ischemia-in-cea-and-cas-a-systematic-review-and-meta-analysis
#3
REVIEW
Sung-Min Cho, Abhishek Deshpande, Vinay Pasupuleti, Adrian V Hernandez, Ken Uchino
OBJECTIVE: In a systematic review, we compared ratio of new periprocedural radiographic brain ischemia (RBI) to the number of strokes and TIAs among patients undergoing carotid endarterectomy (CEA) and carotid artery stenting (CAS). METHODS: We searched 5 databases for entries related to brain ischemia in CEA or CAS from inception through September 2015. We included articles with CEA or CAS and systematic performance of preprocedural and postprocedural brain MRI and reporting of RBI and stroke incidence...
November 7, 2017: Neurology
https://www.readbyqxmd.com/read/28983441/high-value-care-in-the-evaluation-of-stroke
#4
Prakrity Urja, Eric H Nippoldt, Virginia Barak, Carrie Valenta
Value-based care emphasizes achieving the greatest overall health benefit for every dollar spent. We present an interesting case of stroke, which made us consider how frequently health care providers are utilizing value-based care. A 73-year-old Caucasian, who was initially admitted for a hypertensive emergency, was transferred to our facility for worsening slurring of speech and left-sided weakness. The patient had an extensive chronic cerebrovascular disease, including multiple embolic type strokes, mainly in the distribution of the right temporal-occipital cerebral artery and transient ischemic attacks (TIAs)...
August 1, 2017: Curēus
https://www.readbyqxmd.com/read/28959486/chinese-atherosclerosis-risk-evaluation-care-ii-study-a-novel-cross-sectional-multicentre-study-of-the-prevalence-of-high-risk-atherosclerotic-carotid-plaque-in-chinese-patients-with-ischaemic-cerebrovascular-events-design-and-rationale
#5
Xihai Zhao, Rui Li, Daniel S Hippe, Thomas S Hatsukami, Chun Yuan
BACKGROUND: Carotid atherosclerotic plaque is identified as one of the main sources of ischaemic stroke. However, the prevalence of carotid high-risk atherosclerotic plaque in Chinese patients with ischaemic cerebrovascular events has been inconsistently reported and needs to be investigated in a large population. OBJECTIVES: The primary objective of CARE II study was to determine the prevalence and characteristics of high-risk features of atherosclerotic plaques in the carotid arteries in Chinese patients with recent ischaemic stroke or transient ischaemia attack (TIA)...
March 2017: Stroke and Vascular Neurology
https://www.readbyqxmd.com/read/28946147/ischemic-stroke-patients-demonstrate-increased-carotid-plaque-microvasculature-compared-to-ocular-transient-ischemic-attack-patients
#6
Raf H M van Hoof, Floris H B M Schreuder, Patty Nelemans, Martine T B Truijman, Narender P van Orshoven, Tobien H Schreuder, Werner H Mess, Sylvia Heeneman, Robert J van Oostenbrugge, Joachim E Wildberger, M Eline Kooi
BACKGROUND: Patients with a recent ischemic stroke have a higher risk of recurrent stroke compared to (ocular) transient ischemic attack (TIA) patients. Plaque microvasculature is considered as a feature of plaque vulnerability and can be quantified with carotid dynamic contrast-enhanced MRI (DCE-MRI). The purpose of this cross-sectional study was to explore the association between plaque microvasculature and the type of recent cerebrovascular events in symptomatic patients with mild-to-moderate carotid stenosis...
September 26, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28894387/modic-changes-of-the-cervical-spine-t1-slope-and-its-impact-on-axial-neck-pain
#7
Jia Li, Shuhui Qin, Yongqian Li, Yong Shen
BACKGROUND: The purpose of the research was to evaluate cervical sagittal parameters on magnetic resonance imaging (MRI) in patients with Modic changes and its impact on axial neck pain. METHODS: This study consisted of 266 consecutive asymptomatic or symptomatic patients with Modic changes, whose average age was 50.9±12.6 years from January 2015 to December 2016. Cervical sagittal parameters included sagittal alignment of the cervical spine (SACS), T1 slope, thoracic inlet angle (TIA), and neck tilt (NT)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28840331/influential-factors-and-clinical-significance-of-fluid-attenuated-inversion-recovery-vascular-hyperintensities-in-transient-ischemic-attacks-of-carotid-arterial-system
#8
Xiaoyu Dong, Chaobo Bai, Jianfei Nao
PURPOSE: Fluid-attenuated inversion recovery vascular hyperintensity (FVH) is often observed in conjunction with acute ischemic stroke (AIS) of the carotid system. Despite its bearing on patient care outcomes, factors influencing FVH and its clinical significance in patients with transient ischemic attacks (TIAs) of the carotid arterial system have yet to be evaluated. METHODS: Consecutive inpatients (N = 154) diagnosed with TIAs of the carotid system in a 2-year period (2012-2014) were enrolled in our study...
November 2017: Neuroradiology
https://www.readbyqxmd.com/read/28816947/kinematic-analysis-of-the-relationship-between-modic-changes-and-sagittal-balance-parameters-in-the-cervical-spine
#9
Zikun Ma, Peng Liu, Jingpei Liu, Jianhui Mou, Zhaolin Wang, Dong Sun, Jie Cheng, Dengwei Zhang, Jianlin Xiao
The aim of this study is to investigate the relationship between the Modic changes (MCs) and sagittal parameters of the cervical spine.We conducted a retrospective review of 100 outpatients with magnetic resonance imaging (MRI) scans of the cervical spine (50 male and 50 female). MRI parameters were measured, including neck tilt, T1 slope (T1 ), thoracic inlet angle (TIA), and cervical lordosis (CL: Cobb C2-7). Patients were divided into 4 groups according to the presence or absence of MC and T1s, respectively: MC(+) and MC(-) groups, as well as H-T1s (T1s ≥25°) and L-T1s subgroups (T1s <25°)...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28815853/changes-to-white-matter-microstructure-in-transient-ischemic-attack-a-longitudinal-diffusion-tensor-imaging-study
#10
Jennifer K Ferris, Jodi D Edwards, Jennifer A Ma, Lara A Boyd
Transient ischemic attack (TIA) is associated with localized ischemic changes, identifiable by diffusion-weighted imaging. Past research has not considered whether TIA is also associated with diffuse changes to white matter microstructure; further past work has not tracked changes longitudinally. Here we examine whole-brain changes in fractional anisotropy (FA) in individuals with TIA presenting with sensorimotor symptoms. Twenty individuals with a recent (within 30 days) TIA and 12 healthy older adults were recruited...
August 16, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28810566/correlation-analysis-between-the-ldl-c-in-serum-and-the-onset-of-transient-ischemic-attack-caused-by-csvd
#11
Yaqi Chen, Mei Hu, Hongying Gong
The aim of this study was to investigate the correlation between the low-density lipoprotein cholesterol (LDL-C) in serum and the onset of transient ischemic attack caused by cerebral small vascular disease (CSVD). Between September 2012 and September 2015, 249 patients who were diagnosed as CSVD were randomly enrolled in this study. According to MRI results, patients were divided into the patient and control groups. In the patient group, the patients were further subdivided into the white matter lesion (WML) group (n=86) and lacunar infarction (LI) group (n=53)...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28762898/a-score-for-paroxysmal-atrial-fibrillation-in-acute-ischemic-stroke
#12
Halvor Naess, Ulrike W Andreassen, Lars Thomassen, Christopher E Kvistad
Aim Many patients with ischemic stroke have paroxysmal atrial fibrillation that may be difficult to detect. We sought to identify markers of paroxysmal atrial fibrillation and construct a score that may help the clinician to select patients for anticoagulation even if investigations do not disclose atrial fibrillation. Methods A group of patients with acute ischemic stroke and TIA and documented paroxysmal atrial fibrillation was compared to a group of patients with ischemic stroke and TIA and no known paroxysmal atrial fibrillation and sinus rhythm on Holter monitoring...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28746925/pulmonary-arteriovenous-malformations-are-associated-with-silent-brain-infarcts-in-hereditary-hemorrhagic-telangiectasia-patients
#13
Waleed Brinjikji, Deena M Nasr, Christopher P Wood, Vivek N Iyer
BACKGROUND AND PURPOSE: There is a high prevalence of right-to-left shunting pulmonary arteriovenous malformations (PAVMs), which are stroke risk factors, in hereditary hemorrhagic telangiectasia (HHT) patients. While the prevalence of ischemic complications in HHT patients is known, the prevalence of silent brain infarcts (SBI) remains unknown. The purpose of this study was to determine the prevalence and risk factors for SBI in HHT patients. MATERIALS AND METHODS: Our institutional HHT database was queried to identify HHT patients who received a baseline screening brain MRI from January 2000 to February 2017...
2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28673812/utility-of-brain-magnetic-resonance-imaging-in-the-surgical-management-of-infective-endocarditis
#14
Tia Chakraborty, Eugene Scharf, Alejandro A Rabinstein, Daniel DeSimone, Abdelghani El Rafei, Waleed Brinjikji, Larry M Baddour, Eelco Wijdicks, Walter Wilson, James M Steckelberg, Jennifer E Fugate
BACKGROUND: Brain magnetic resonance imaging (MRI) is frequently obtained in patients with infective endocarditis, yet its utility in predicting outcomes for valve replacement surgery in patients is unknown. The objective of this study was to determine how brain MRI findings impact clinical management and outcomes. METHODS: Demographic and clinical data from electronic medical records at Mayo Clinic were retrospectively reviewed for patients hospitalized with definite or possible infective endocarditis according to the modified Duke criteria between January 1, 2007 and December 31, 2014...
November 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28673480/association-of-descending-thoracic-aortic-plaque-with-brain-atrophy-and-white-matter-hyperintensities-the-framingham-heart-study
#15
Hugo J Aparicio, Rodica E Petrea, Joseph M Massaro, Warren J Manning, Noriko Oyama-Manabe, Alexa S Beiser, Carlos S Kase, Ralph B D'Agostino, Philip A Wolf, Ramachandran S Vasan, Charles DeCarli, Christopher J O'Donnell, Sudha Seshadri
BACKGROUND AND AIMS: Aortic atherosclerosis is an aggregate marker of vascular risk factor exposure and has been associated with intracranial atherosclerosis and stroke. We hypothesized that atherosclerosis of the descending aorta (DAo) could be a risk marker for brain aging and injury. METHODS: We evaluated 1527 participants (mean age 59.9 years, 53.5% women) in the Framingham Offspring cohort who underwent both aortic and brain MRI. Participants were free of clinical stroke, dementia, or other neurological illness at the time of axial MRI of the thoracic and abdominal DAo and subsequent brain MRI...
October 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28646330/-imaging-of-vessels-supplying-the-brain
#16
REVIEW
S M Schellong, N Abolmaali, B Voigts, C Stelzner
Nowadays, several technically validated modalities are available for imaging both the extracranial and intracranial segments of arteries supplying blood to the brain. In the acute stroke setting, computed tomography (CT) angiography is of utmost importance because it provides the key diagnostic criteria indicative for the use of catheter-based recanalization techniques. Ultrasound imaging of extracranial arteries is most suitable for detecting an underlying stenosis of the internal carotid artery (ICA) in patients with stroke, transient ischemic attacks (TIA), retinal vessel occlusion and amaurosis fugax...
August 2017: Der Internist
https://www.readbyqxmd.com/read/28638033/-the-biomarkers-of-cerebral-ischemia-as-a-new-method-for-the-validation-of-the-efficacy-of-cytoprotective-therapy
#17
S A Dambinova, K T Aliev, E V Bondarenko, G V Ponomarev, A A Skoromets, A P Skoromets, T A Skoromets, D G Smolko, M V Shumilina
AIM: To study blood plasma concentrations of NR2-peptide in patients with ischemic stroke (IS) to assess its diagnostic value as a biomarker of cerebral ischemia and determine the dynamics of the biomarker during treatment with cortexin. MATERIAL AND METHODS: One hundred and twenty patients, aged from 18 to 70 years, including 36 with transient ischemic attack (TIA) and 84 with IS in the carotid territory (n=70) and vertebral/basilar territory with the Wallenberg-Zakharchenko syndrome (n=14), were enrolled...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28605654/the-impact-of-installing-an-mr-scanner-in-the-emergency-department-for-patients-presenting-with-acute-stroke-like-symptoms
#18
Stephanie E Honig, Lukasz S Babiarz, Evan L Honig, Saeedeh Mirbagheri, Victor Urrutia, David M Yousem
PURPOSE: We examined the impact of an MR scanner in the emergency department (ED) on ED length of stay (LOS), hospital (H) LOS, hospital admission rate, hospitalization costs, and ED re-presentation rate of patients presenting with stroke-like symptoms (SLS). We hypothesized that the ED MR would increase efficiency of patient care. METHODS: The number of MRIs performed in the ED vs. inpatient setting, EDLOS, HLOS, hospitalization charges, admission rate, discharge diagnoses, and 30-60-day ED re-presentation rates were determined for ED patients with SLS six months before (2011) and after (2012) ED MR installation...
May 26, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28584227/quantitative-analysis-of-lipid-rich-necrotic-core-in-carotid-atherosclerotic-plaques-by-in-vivo-magnetic-resonance-imaging-and-clinical-outcomes
#19
Jun Xia, Anyu Yin, Zhenzhou Li, Xin Liu, Xianghong Peng, Ni Xie
BACKGROUND The aim of this study was to explore the accuracy of in vivo magnetic resonance imaging (MRI) in the quantitative evaluation of lipid-rich necrotic core (LRNC) in carotid atherosclerotic plaques compared with histopathology, and to assess the association of LRNC size with cerebral ischemia symptoms. MATERIAL AND METHODS Thirty patients were enrolled and 19 patients (16 men and 3 women) were analyzed. All the patients were submitted to MRI on a Siemens Avanto (1.5-Tesla) device before carotid endarterectomy (CEA)...
June 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28574884/comparative-analysis-of-three-imaging-modalities-for-evaluation-of-cervical-sagittal-alignment-parameters-a-validity-and-reliability-study
#20
Han-Dong Lee, Chang-Hoon Jeon, Nam-Su Chung, Heon-Ju Kwon
STUDY DESIGN: This was a radiologic validity and reliability study. OBJECTIVE: We aimed to assess the validity and reliability of measurements from standing lateral cervical radiography (XR), reconstructed midsagittal images of supine cervical computerized tomography (CT) scans, and supine magnetic resonance imaging (MRI) for evaluating C2-C7 distance (C27 SVA), C2-C7 Cobb angle (CL), T1 slope (T1S), thoracic inlet angle (TIA), and neck tilt (NT). SUMMARY OF BACKGROUND DATA: XR is the gold standard imaging modality for measuring cervical sagittal alignment parameters...
June 1, 2017: Spine
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