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Cerebrovascular Diseases

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https://www.readbyqxmd.com/read/28208149/distal-middle-cerebral-artery-branch-recanalization-does-not-affect-final-lesion-volume-in-ischemic-stroke
#1
Verena van Ginneken, Daniel Gierhake, Heinrich J Audebert, Jochen B Fiebach
BACKGROUND: Early recanalization in ischemic stroke is associated with favorable outcome. However, limited data are available on the effect of recanalization on infarct growth and functional outcome in stroke with distal middle cerebral artery (MCA) pathology. This study was aimed at determining the effect of recanalization in acute stroke patients with perfusion-diffusion mismatch and occlusion or high-grade stenosis of a distal MCA branch. METHODS: We prospectively examined 34 consecutive stroke patients with perfusion-diffusion mismatch and M3 or M4 pathology within 24 h of symptom onset...
February 17, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28208146/serum-lipid-fractions-and-cerebral-microbleeds-in-a-healthy-japanese-population
#2
Shingo Mitaki, Atsushi Nagai, Hiroaki Oguro, Shuhei Yamaguchi
BACKGROUND: Cerebral microbleeds (CMBs) are associated with focal hemosiderin deposits and represent a form of cerebral small vessel disease. To date, indefinite and inconsistent reports are available regarding the association between serum lipid fractions and CMBs. In addition, these previous studies did not include Asian populations, who may have a higher risk of cerebral hemorrhage. The purpose of this study was to examine the associations between serum lipid fractions and CMBs in healthy Japanese subjects...
February 17, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28208140/first-diagnosis-of-atrial-fibrillation-at-the-time-of-stroke
#3
Leila H Borowsky, Susan Regan, Yuchiao Chang, Alison Ayres, Steven M Greenberg, Daniel E Singer
BACKGROUND: Atrial fibrillation (AF) is a major cause of ischemic stroke. Individuals with undiagnosed AF lack the stroke protection afforded by oral anticoagulants. We obtained a contemporary estimate of the percentage of AF patients newly diagnosed at the time of stroke. METHODS: We identified patients admitted to the Massachusetts General Hospital (MGH) from January 1, 2010 to December 31, 2013 with acute ischemic stroke and either previously or newly diagnosed AF using hospital stroke registry data and stroke and AF ICD-9 code searches of hospital databases...
February 17, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28208130/factors-related-to-cardioembolism-as-major-predictors-of-poor-survival-after-first-ever-middle-cerebral-artery-stroke-treated-with-thrombolysis
#4
Renata Dal-Prá Ducci, Marcos Christiano Lange, Viviane de Hiroki Flumignan Zétola, Tatjana Rundek
BACKGROUND AND PURPOSE: Prognostic factors related to mortality rates after stroke have been reported; however, most studies included different treatments and did not focus solely on ischemic stroke. The study aimed to report the short- and long-term survival and predictors of death in patients with first-ever ischemic stroke in the middle cerebral artery (MCA) territory, submitted to intravenous thrombolysis (IVT). METHODS: A prospective observational cohort study of patients with first-ever ischemic stroke in the MCA territory treated with IVT from March 2010 to February 2015 was conducted, and patients were followed up until May 2015...
February 17, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28199997/specificities-of-ischemic-stroke-risk-factors-in-arab-speaking-countries
#5
Halim Abboud, Leila Sissani, Julien Labreuche, Antonio Arauz, Marie-Germaine Bousser, Alain Bryer, Angel Chamorro, Marc Fisher, Ian Ford, Kim M Fox, Michael G Hennerici, Pablo M Lavados, Ayrton Massaro, Heinrich P Mattle, Mario Munoz Collazos, Peter M Rothwell, Philippe Gabriel Steg, Eric Vicaut, Bassem Yamouth, Pierre Amarenco
BACKGROUND: Stroke is largely preventable, and therefore, a better understanding of risk factors is an essential step in reducing the population stroke rate and resulting disease burden in Arab countries. SUMMARY: We performed 2 separate analyses in 2 similar populations of patients with noncardioembolic ischemic stroke. This first involved 3,635 patients in the Outcomes in Patients with TIA and Cerebrovascular disease (OPTIC) registry (followed for 2 years), with baseline collection of the usual risk factors and 5 socioeconomic variables (unemployment status, residence in rural area, living in fully serviced accommodation, no health-insurance coverage, and low educational level)...
February 15, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28166523/editorial-2017
#6
M G Hennerici
No abstract text is available yet for this article.
February 7, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28142144/do-lacunar-infarcts-have-different-aetiologies-risk-factor-profiles-of-lacunar-infarcts-in-deep-white-matter-and-basal-ganglia-the-second-manifestations-of-arterial-disease-magnetic-resonance-study
#7
Raoul P Kloppenborg, Paul J Nederkoorn, Anne M Grool, Laurens J L De Cocker, Willem P T M Mali, Yolanda van der Graaf, Mirjam I Geerlings
BACKGROUND: Evidence suggests that lacunar infarcts have different etiologies, possibly related to their anatomical location and vascular territory. We investigated the risk factor profiles of patients with new lacunar infarcts in the basal ganglia and deep white matter. METHODS: Within the Second Manifestations of ARTerial disease-Magnetic Resonance study, a prospective cohort on brain changes on MRI in patients with symptomatic atherosclerotic disease, 679 patients (57 ± 9 years) had vascular screening and MRI at baseline and after a mean follow-up of 3...
January 31, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28088807/posterior-versus-anterior-circulation-stroke-in-young-adults-a-comparative-study-of-stroke-aetiologies-and-risk-factors-in-stroke-among-young-fabry-patients-sifap1
#8
Bettina von Sarnowski, Ulf Schminke, Ulrike Grittner, Christian Tanislav, Tobias Böttcher, Michael G Hennerici, Turgut Tatlisumak, Jukka Putaala, Manfred Kaps, Franz Fazekas, Christian Enzinger, Arndt Rolfs, Christof Kessler
BACKGROUND: Although 20-30% of all strokes occur in the posterior circulation, few studies have explored the characteristics of patients with strokes in the posterior compared to the anterior circulation so far. Especially data on young patients is missing. METHODS: In this secondary analysis of data of the prospective multi-centre European sifap1 study that investigated stroke and transient ischemic attack (TIA) patients aged 18-55 years, we compared vascular risk factors, stroke aetiology, presence of white matter hyperintensities (WMH) and cerebral microbleeds (CMB) between patients with ischaemic posterior circulation stroke (PCS) and those having suffered from anterior circulation stroke (ACS) based on cerebral MRI...
January 14, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28088803/small-versus-large-ruptured-intracranial-aneurysm-concerns-with-the-site-of-aneurysm
#9
Bum Joon Kim, Hyun Goo Kang, Byeong-Duk Kwun, Jae-Sung Ahn, Jisung Lee, Sung Ho Lee, Dong-Wha Kang, Jong S Kim, Sun U Kwon
BACKGROUND: Although size is one of the strongest predictors, small aneurysms often rupture. We compared the characteristics of small and large ruptured intracranial aneurysms (RIAs) according to their location to find the factors associated with small RIAs in each location. METHODS: Patients with subarachnoid hemorrhage due to saccular RIAs were consecutively enrolled. The sizes were dichotomized as small (<5 mm) or large, and the location was classified as paraclinoid-distal internal carotid artery, sidewalls of anterior or middle cerebral artery (MCA; sidewall), MCA-bifurcation, anterior or posterior communicating artery (Acom or Pcom, respectively), and posterior circulation RIAs...
January 14, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28088798/the-intracranial-b2leed3s-score-and-the-risk-of-intracranial-hemorrhage-in-ischemic-stroke-patients-under-antiplatelet-treatment
#10
Pierre Amarenco, Leila Sissani, Julien Labreuche, Eric Vicaut, Marie Germaine Bousser, Angel Chamorro, Marc Fisher, Ian Ford, Kim M Fox, Michael G Hennerici, Heinrich Mattle, Peter M Rothwell, Philippe Gabriel Steg, Hans-Christoph Diener, Ralph L Sacco, Jacoba P Greving, Ale Algra
BACKGROUND: Chronic antiplatelet therapy in the post-acute phase of non-cardioembolic ischemic stroke is limited by the risk of intracranial hemorrhage (ICH) complications. METHODS: We developed an ICH risk score based on the PERFORM trial cohort (n = 19,100), which included patients with a non-cardioembolic ischemic stroke or transient ischemic attack, and externally validated this score in one contemporary trial of very similar size and inclusion criteria, the PRoFESS trial (n = 20,332 patients)...
January 14, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28049202/aortic-atherosclerosis-determines-increased-retrograde-blood-flow-as-a-potential-mechanism-of-retrograde-embolic-stroke
#11
Thomas Wehrum, Felix Guenther, Werner Vach, Beryl Primrose Gladstone, Sarah Wendel, Alexander Fuchs, Kehzong Wu, Christoph Johannes Maurer, Andreas Harloff
BACKGROUND: Retrograde brain embolization from complex plaques of the proximal descending aorta (DAo) has been identified as a new potential mechanism of stroke. Our purpose was to identify predictors of increased retrograde aortic blood flow indicating an elevated risk of brain embolization from the DAo. METHODS: A total of 485 patients with acute ischemic stroke were prospectively included and underwent transesophageal echocardiography. Blood flow velocities in the proximal DAo were studied using 2D pulse-wave Doppler ultrasound...
January 4, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28049200/a-mouse-model-of-post-stroke-pneumonia-induced-by-intra-tracheal-inoculation-with-streptococcus-pneumoniae
#12
Eva Mracsko, Sabine Stegemann-Koniszewski, Shin-Young Na, Alexander Dalpke, Dunja Bruder, Felix Lasitschka, Roland Veltkamp
BACKGROUND: Stroke-induced immunodeficiency increases the risk of infectious complications, which adversely affects neurological outcome. Among those, pneumonia affects as many as one third of stroke patients and is the main contributor to mortality in the post-acute phase of stroke. Experimental findings on post-stroke susceptibility to spontaneous pneumonia in mice are contradictory. Here, we established a mouse model inducing standardized bacterial pneumonia and characterized the impaired pulmonary cellular and humoral immune responses after experimental stroke...
January 4, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28049199/systemic-atherosclerosis-relate-to-brain-arterial-diameters-the-northern-manhattan-study
#13
Jose Gutierrez, Tatjana Rundek, Ken Cheung, Ahmet Bagci, Noam Alperin, Ralph L Sacco, Clinton B Wright, Mitchell S V Elkind, Marco R Di Tullio
BACKGROUND: Phenotypic expressions of arterial disease vary throughout the body and it is not clear to what extent systemic atherosclerosis influences brain arterial remodeling. We aim to test the hypothesis that systemic atherosclerosis is associated with brain arterial diameters. METHODS: Stroke-free participants in the Northern Manhattan Study MRI subcohort in whom carotid ultrasound, transthoracic echocardiogram, and brain MRA (n = 482) were performed were included in this analysis...
January 4, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28049196/refining-prognosis-for-intracerebral-hemorrhage-by-early-reassessment
#14
Matthew B Maas, Brandon A Francis, Rajbeer S Sangha, Bryan D Lizza, Eric M Liotta, Andrew M Naidech
BACKGROUND: Prognostic assessments, which are crucial for decision-making in critical illnesses, have shown unsatisfactory reliability. We compared the accuracy of a widely used prognostic score against a model derived from clinical data obtained 5 days after admission for patients with intracerebral hemorrhage (ICH), a condition for which prognostication has proven notoriously challenging and prone to bias. METHODS: Patients enrolled in a prospective observational cohort study of spontaneous ICH underwent hourly Glasgow Coma Scale (GCS) assessment...
January 4, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28049189/functional-long-term-outcome-after-left-versus-right-sided-intracerebral-hemorrhage
#15
Vanessa D Beuscher, Joji B Kuramatsu, Stefan T Gerner, Julia Köhn, Hannes Lücking, Stephan P Kloska, Hagen B Huttner
BACKGROUND AND PURPOSE: Hemispheric location might influence outcome after intracerebral hemorrhage (ICH). INTERACT suggested higher short-term mortality in right hemispheric ICH, yet statistical imbalances were not addressed. This study aimed at determining the differences in long-term functional outcome in patients with right- vs. left-sided ICH with a priori-defined sub-analysis of lobar vs. deep bleedings. METHODS: Data from a prospective hospital registry were analyzed including patients with ICH admitted between January 2006 and August 2014...
January 4, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27992865/a-current-estimation-of-the-early-risk-of-stroke-after-transient-ischemic-attack-a-systematic-review-and-meta-analysis-of-recent-intervention-studies
#16
Joan Valls, Maranta Peiro-Chamarro, Serafí Cambray, Jessica Molina-Seguin, Ikram Benabdelhak, Francisco Purroy
OBJECTIVE: Recent studies have demonstrated that there is a decrease in the risk of subsequent stroke after transient ischemic attack (TIA) when urgent care (UC) is administered. However, no meta-analysis has been developed with contemporaneous TIA studies. We perform a systematic review and a meta-analysis to establish the risk of early stroke recurrence (SR) considering data from studies that offered UC to TIA patients. METHODS: We searched for studies, without language restriction, from January 2007 to January 2015 according to PRISMA guidelines...
December 20, 2016: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27951536/glial-fibrillary-acidic-protein-for-prehospital-diagnosis-of-intracerebral-hemorrhage
#17
Michal Rozanski, Carolin Waldschmidt, Alexander Kunz, Ulrike Grittner, Martin Ebinger, Matthias Wendt, Benjamin Winter, Kerstin Bollweg, Kersten Villringer, Jochen B Fiebach, Heinrich J Audebert
BACKGROUND: Both, acute ischemic stroke (AIS) and hemorrhage stroke (intracerebral hemorrhage, ICH) require early attention but different treatment strategies. Plasma glial fibrillary acidic protein (GFAP) levels were found to be elevated in ICH patients after they arrived in the hospital. Because treatment options differed, we sought to determine whether GFAP can be used to accurately differentiate between of AIS and ICH in the prehospital setting. METHODS: We assessed acute stroke patients in the Stroke Emergency Mobile (STEMO)...
December 13, 2016: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27951543/adverse-influence-of-pre-stroke-dementia-on-short-term-functional-outcomes-in-patients-with-acute-ischemic-stroke-the-fukuoka-stroke-registry
#18
Yoshinobu Wakisaka, Ryu Matsuo, Jun Hata, Junya Kuroda, Takanari Kitazono, Masahiro Kamouchi, Tetsuro Ago
BACKGROUND: Dementia and stroke are major causes of disability in the elderly. However, the association between pre-stroke dementia and functional outcome after stoke remains unresolved. We aimed to determine this association in patients with acute ischemic stroke. METHODS: Among patients registered in the Fukuoka Stroke Registry from June 2007 to May 2015, 4,237 patients with ischemic stroke within 24 h of onset, who were functionally independent before the onset, were enrolled in this study...
December 10, 2016: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27898402/recent-update-on-carotid-endarterectomy-versus-carotid-artery-stenting
#19
Raywat Noiphithak, Anusak Liengudom
Carotid artery stenosis (CS) is a major cause of ischemic stroke. Treatment of CS consists of best medical treatment and carotid revascularization (CR), including carotid endarterectomy (CEA) and carotid artery stenting (CAS). Both CR techniques have their own procedural risks. Therefore, selection of the appropriate treatment for patients with CS is relatively complicated. Many studies and guidelines have reported the efficacy of each treatment for both symptomatic and asymptomatic patients. However, the results are still controversial, especially concerning the efficacy and safety of CEA and CAS...
November 30, 2016: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/27871078/cerebral-microhemorrhages-and-meningeal-siderosis-in-infective-endocarditis
#20
Ajay Malhotra, Joseph Schindler, Brian Mac Grory, Stacy Y Chu, Teddy S Youn, Charles Matouk, David M Greer, Matthew Schrag
OBJECTIVE: Patients with infective endocarditis (IE) frequently experience cerebral insults, and neurological involvement in IE has been reported to herald a worse prognosis. In this manuscript, we describe a distinctive pattern of findings on susceptibility-weighted imaging (SWI) sequences in subjects with IE. METHODS: Patients with IE who underwent SWI MRI at an academic hospital from 2009 to 2014 were retrospectively analyzed. The pattern of findings was compared to SWI findings in groups of subjects with cerebral amyloid angiopathy (CAA) or severe hypertension...
November 22, 2016: Cerebrovascular Diseases
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