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TIA MRI

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https://www.readbyqxmd.com/read/29338604/clinical-significance-of-cerebral-microbleeds-on-mri-a-comprehensive-meta-analysis-of-risk-of-intracerebral-hemorrhage-ischemic-stroke-mortality-and-dementia-in-cohort-studies-v1
#1
Andreas Charidimou, Sara Shams, Jose R Romero, Jie Ding, Roland Veltkamp, Solveig Horstmann, Gudny Eiriksdottir, Mark A van Buchem, Vilmundur Gudnason, Jayandra J Himali, M Edip Gurol, Anand Viswanathan, Toshio Imaizumi, Meike W Vernooij, Sudha Seshadri, Steven M Greenberg, Oscar R Benavente, Lenore J Launer, Ashkan Shoamanesh
Background Cerebral microbleeds can confer a high risk of intracerebral hemorrhage, ischemic stroke, death and dementia, but estimated risks remain imprecise and often conflicting. We investigated the association between cerebral microbleeds presence and these outcomes in a large meta-analysis of all published cohorts including: ischemic stroke/TIA, memory clinic, "high risk" elderly populations, and healthy individuals in population-based studies. Methods Cohorts (with > 100 participants) that assessed cerebral microbleeds presence on MRI, with subsequent follow-up (≥3 months) were identified...
January 1, 2018: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/29336359/white-matter-lesions-predict-recurrent-vascular-events-in-patients-with-transient-ischemic-attacks
#2
Xiao-Mei Ren, Shu-Wei Qiu, Ren-Yuan Liu, Wen-Bo Wu, Yun Xu, Hong Zhou
BACKGROUND: White matter lesions (WMLs) are common findings in brain magnetic resonance imaging (MRI) and are strongly associated with stroke incidence, recurrence, and prognosis. However, the relationship between WMLs and transient ischemic attacks (TIAs) is not well established. This study aimed to determine the clinical significance of WMLs in patients with TIA. METHODS: A total of 181 consecutive inpatients with first-ever TIA were enrolled. Brain MRIs within 2 days of symptom onset were used to measure WML volumes...
January 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29332239/which-parameters-are-relevant-in-sagittal-balance-analysis-of-the-cervical-spine-a-literature-review
#3
REVIEW
Fong Poh Ling, T Chevillotte, A Leglise, W Thompson, C Bouthors, Jean-Charles Le Huec
INTRODUCTION: Cervical spine is part of the spine with the most mobility in the sagittal plane. It is important for surgeons to have reliable, simple and reproducible parameters to analyse the cervical. MATERIAL AND METHOD: This study is a systematic review and a critique of current parameters to help improve the study of cervical spinal balance. We conducted a systematic search of PUBMED/MEDLINE for literature published since January 2014. Only studies written in English and containing abstracts were considered for inclusion...
January 13, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29327286/abcd3-i-score-and-the-risk-of-early-or-3-month-stroke-recurrence-in-tissue-and-time-based-definitions-of-tia-and-minor-stroke
#4
Lukas Mayer, Julia Ferrari, Stefan Krebs, Christian Boehme, Thomas Toell, Benjamin Matosevic, Alexander Tinchon, Michael Brainin, Thomas Gattringer, Peter Sommer, Peter Thun, Johann Willeit, Wilfried Lang, Stefan Kiechl, Michael Knoflach
Changing definition of TIA from time to a tissue basis questions the validity of the well-established ABCD3-I risk score for recurrent ischemic cerebrovascular events. We analyzed patients with ischemic stroke with mild neurological symptoms arriving < 24 h after symptom onset in a phase where it is unclear, if the event turns out to be a TIA or minor stroke, in the prospective multi-center Austrian Stroke Unit Registry. Patients were retrospectively categorized according to a time-based (symptom duration below/above 24 h) and tissue-based (without/with corresponding brain lesion on CT or MRI) definition of TIA or minor stroke...
January 11, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29281157/serum-neurofilament-light-chain-in-patients-with-acute-cerebrovascular-events
#5
Gian Marco De Marchis, Mira Katan, Christian Barro, Joachim Fladt, Christopher Traenka, David J Seiffge, Lisa Hert, Henrik Gensicke, Giulio Disanto, Raoul Sutter, Nils Peters, Hakan Sarikaya, Barbara Goeggel-Simonetti, Marwan El-Koussy, Stephan Engelter, Philippe A Lyrer, Mirjam Christ-Crain, Marcel Arnold, Jens Kuhle, Leo H Bonati
BACKGROUND AND PURPOSE: Serum Neurofilaments are markers of axonal injury. We addressed their diagnostic and prognostic role in acute ischemic stroke (AIS) and TIA. METHODS: Nested within a prospective cohort study, we compared serum neurofilament light chain levels (sNfL) drawn within 24 hours from symptom onset in patients with AIS or TIA. Patients without MRI on admission were excluded. We assessed if sNfL are associated with: (i) clinical severity on admission, (ii) diagnosis of AIS vs TIA, (iii) infarct size on admission diffusion weighted imaging (MR-DWI), and (iv) functional outcome at 3 months...
December 27, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29276556/atrial-fibrillation-predictors-on-mobile-cardiac-telemetry-in-cryptogenic-ischemic-stroke
#6
Omar Kass-Hout, Tareq Kass-Hout, Ankit Parikh, Michael Hoskins, Stephen D Clements, Srikant Rangaraju, Ali Reza Noorian, Lauren Ayala, Debra Blanke, Laura Bamford, Aaron Anderson, Samir Belagaje, Manuel Yepes, Michael Frankel, Fadi Nahab
Background and Purpose: The objective of our study was to evaluate magnetic resonance imaging (MRI) and echocardiographic characteristics that would identify patients with cryptogenic ischemic stroke (IS) and transient ischemic attack (TIA) who subsequently developed paroxysmal atrial fibrillation (PAF) on mobile cardiac outpatient telemetry (MCOT). Methods: All patients with cryptogenic IS or TIA seen at the Emory University Hospital and Emory University Hospital Midtown from January 1, 2009, to June 30, 2013, who underwent MCOT were included in this analysis...
January 2018: Neurohospitalist
https://www.readbyqxmd.com/read/29250244/atrioesophageal-fistula-after-atrial-fibrillation-ablation-a-single-center-series
#7
Houman Khakpour, Richard J Shemin, Jay M Lee, Eric Buch, Noel G Boyle, Kalyanam Shivkumar, Jason S Bradfield
Background: The incidence of atrioesophageal fistula (AEF) after atrial fibrillation catheter ablation is reported to be 0.015%-0.04%, though it is likely underreported due to a number of factors including misdiagnosis. We report our institutional experience with AEF. Methods: Patients with confirmed diagnosis of AEF between 2004 and 2016 at our institution were identified (n=5) and their clinical characteristics and outcome were analyzed. Results: AEF occurred in 5 patients who underwent AF catheter ablation (3 ablated at our institution; 2 transferred from outside hospitals after diagnosis of AEF)...
October 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29145195/contemporary-epidemiology-of-transient-ischemic-attack-in-dijon-france-2013-2015
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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