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Lacunar infarct

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https://www.readbyqxmd.com/read/28810566/correlation-analysis-between-the-ldl-c-in-serum-and-the-onset-of-transient-ischemic-attack-caused-by-csvd
#1
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/28793877/subarachnoid-small-vein-occlusion-due-to-inflammatory-fibrosis-a-possible-mechanism-for-cerebellar-infarction-in-cryptococcal-meningoencephalitis-a-case-report
#2
Yoshiteru Shimoda, Satoru Ohtomo, Hiroaki Arai, Takashi Ohtoh, Teiji Tominaga
BACKGROUND: Cryptococcal meningoencephalitis (CM) causes cerebral infarction, typically, lacunar infarction in the basal ganglia. However, massive cerebral infarction leading to death is rare and its pathophysiology is unclear. We report a case of CM causing massive cerebellar infarction, which led to cerebral herniation and death. CASE PRESENTATION: A 56-year-old man who suffered from dizziness and gait disturbance for one month was admitted to our hospital and subsequently diagnosed with a cerebellar infarction...
August 9, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28782182/heterozygous-mutations-of-htra1-gene-in-patients-with-familial-cerebral-small-vessel-disease
#3
Ilaria Di Donato, Silvia Bianchi, Gian Nicola Gallus, Alfonso Cerase, Ilaria Taglia, Francesca Pescini, Serena Nannucci, Carla Battisti, Domenico Inzitari, Leonardo Pantoni, Andrea Zini, Antonio Federico, Maria Teresa Dotti
AIMS: Cerebral small vessel disease (SVD) is the leading cause of vascular dementia. Although the most of cases are sporadic, familial monogenic causes have been identified in a growing minority of patients. CADASIL, due to mutations of NOTCH3 gene, is the most common genetic SVD, and CARASIL, linked to HTRA1 gene mutations, is a rare but well known autosomal recessive SVD. Recently, also heterozygous HTRA1 mutations have been described in patients with familial SVD. To detect a genetic cause of familial SVD, we performed mutational analysis of HTRA1 gene in a large cohort of Italian NOTCH3-negative patients...
August 6, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28781057/multiple-lacunar-infarcts-in-paroxysmal-nocturnal-hemoglobinuria
#4
Alex Tiburtino Meira, Gabriel Sampaio Froehner, André Petean Trindade, Silméia Garcia Zanati Bazan, Gabriel Pereira Braga, Rodrigo Bazan
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare acquired disease characterized by clonal hematopoietic stem cell disorder, with increased mortality and morbidity. Venous thrombosis is the most common cause of mortality in PNH. The relationship between PNH and cerebrovascular disease is unclear; few cases are reported in the literature, most of them related to cerebral venous thrombosis; In PNH the involvement of intracranial and extracranial arterial sites is very rare. We report a case of a 49-year-old woman who has a medical history of diabetes mellitus, hypertension, and PNH and presented multiple lacunar strokes in a routine consultation with a hematologist...
August 3, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28776182/progressive-deficit-in-isolated-pontine-infarction-the-association-with-etiological-subtype-lesion-topography-and-outcome
#5
Elif Gökçal, Elvin Niftaliyev, Gözde Baran, Çiğdem Deniz, Talip Asil
It is important to predict progressive deficit (PD) in isolated pontine infarction, a relatively common problem of clinical stroke practice. Traditionally, lacunar infarctions are known with their progressive course. However, few studies have analyzed the branch atheromatous disease subtype as a subtype of lacunar infarction, separately. There are also conflicting results regarding the relationship with the topography of lesion and PD. In this study, we classified etiological subtypes and lesion topography in isolated pontine infarction and aimed to investigate the association of etiological subtypes, lesion topography and clinical outcome with PD...
August 3, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28768822/intravenous-immunoglobulin-for-maintenance-treatment-of-chronic-inflammatory-demyelinating-polyneuropathy-a-multicentre-open-label-52-week-phase-iii-trial
#6
Satoshi Kuwabara, Masahiro Mori, Sonoko Misawa, Miki Suzuki, Kazutoshi Nishiyama, Tatsuro Mutoh, Shizuki Doi, Norito Kokubun, Mikiko Kamijo, Hiroo Yoshikawa, Koji Abe, Yoshihiko Nishida, Kazumasa Okada, Kenji Sekiguchi, Ko Sakamoto, Susumu Kusunoki, Gen Sobue, Ryuji Kaji
OBJECTIVE: Short-term efficacy of induction therapy with intravenous immunoglobulin (Ig) in patients with chronic inflammatory demyelinating polyneuropathy (CIDP) is well established. However, data of previous studies on maintenance therapy were limited up to 24-week treatment period. We aimed to investigate the efficacy and safety of longer-term intravenous Ig therapy for 52 weeks. METHODS: This study was an open-label phase 3 clinical trial conducted in 49 Japanese tertiary centres...
August 2, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28765289/vascular-risk-factor-profiles-differ-between-magnetic-resonance-imaging-defined-subtypes-of-younger-onset-lacunar-stroke
#7
Loes C A Rutten-Jacobs, Hugh S Markus
BACKGROUND AND PURPOSE: Differing associations of vascular risk factors with lacunar infarct have been reported, which is likely because of diagnostic differences and possible heterogeneity in the pathogenesis underlying lacunar infarction. In a large magnetic resonance imaging-verified cohort of lacunar infarct patients, we investigated the risk factor profile of lacunar infarction and magnetic resonance imaging characteristics. METHODS: One thousand twenty-three patients with lacunar infarction (mean age, 56...
August 1, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28760409/development-and-reliability-of-a-user-friendly-multicenter-phenotyping-application-for-hemorrhagic-and-ischemic-stroke
#8
Mayowa Owolabi, Godwin Ogbole, Rufus Akinyemi, Kehinde Salaam, Onoja Akpa, Pattanasak Mongkolwat, Adeleye Omisore, Atinuke Agunloye, Richard Efidi, Joseph Odo, Akintomiwa Makanjuola, Albert Akpalu, Fred Sarfo, Lukman Owolabi, Reginald Obiako, Kolawole Wahab, Emmanuel Sanya, Philip Adebayo, Morenikeji Komolafe, Abiodun Moshood Adeoye, Joshua Akinyemi, Godwin Osaigbovo, Taofiki Sunmonu, Paul Olowoyo, Innocent Chukwuonye, Yahaya Obiabo, Philip Ibinaiye, Abdul Dambatta, Yaw Mensah, Salaam Abdul, Eunice Olabinri, Joyce Ikubor, Olalekan Oyinloye, Femi Odunlami, Ezinne Melikam, Raelle Saulson, Philip Kolo, Adesola Ogunniyi, Bruce Ovbiagele
BACKGROUND: Annotation and Image Markup on ClearCanvas Enriched Stroke-phenotyping Software (ACCESS) is a novel stand-alone computer software application that allows the creation of simple standardized annotations for reporting brain images of all stroke types. We developed the ACCESS application and determined its inter-rater and intra-rater reliability in the Stroke Investigative Research and Educational Network (SIREN) study to assess its suitability for multicenter studies. METHODS: One hundred randomly selected stroke imaging reports from 5 SIREN sites were re-evaluated by 4 trained independent raters to determine the inter-rater reliability of the ACCESS (version 12...
July 28, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28742195/the-use-of-susceptibility-weighted-imaging-to-detect-cerebral-microbleeds-after-lacunar-infarction
#9
L Shao, M Wang, X-H Ge, H-D Huang, L Gao, J-C Qin
OBJECTIVE: To study the value of susceptibility-weighted imaging (SWI) technology to detect cerebral microbleeds (CMBs) in senile cerebral lacunar infarction patients; and to evaluate the complicated cerebral hemorrhage risk after patients with CMBs took aspirin, an antiplatelet medication or received anticoagulant therapy. PATIENTS AND METHODS: MRI scanning, using GRE-T2*WI, SWI and FSE sequences (T1WI, T2WI, and T2FLAIR), was performed on the three groups: (1) a cerebral lacunar infarction group; (2) cerebral lacunar infarction with cerebral microbleeds (CMBs) group; and (3) a healthy elderly group...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28717604/central-vestibular-syndrome-in-a-red-fox-vulpes-vulpes-with-presumptive-right-caudal-cerebral-artery-ischemic-infarct-and-prevalent-midbrain-involvement
#10
Mario Ricciardi, Floriana Gernone, Antonio De Simone, Pasquale Giannuzzi
A wild young male red fox (Vulpes vulpes) was found in the mountainous hinterland of Rome (Italy) with a heavily depressed mental status and unresponsive to the surrounding environment. Neurological examination revealed depression, left circling, right head tilt, ventromedial positional strabismus and decreased postural reactions on the left side. Neurological abnormalities were suggestive of central vestibular syndrome. Two consecutive MRIs performed with 30 days interval were compatible with lacunar ischemic infarct in the territory of right caudal cerebral artery and its collateral branches...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28716371/detection-risk-factors-and-functional-consequences-of-cerebral-microinfarcts
#11
REVIEW
Susanne J van Veluw, Andy Y Shih, Eric E Smith, Christopher Chen, Julie A Schneider, Joanna M Wardlaw, Steven M Greenberg, Geert Jan Biessels
Cerebral microinfarcts are small lesions that are presumed to be ischaemic. Despite the small size of these lesions, affected individuals can have hundreds to thousands of cerebral microinfarcts, which cause measurable disruption to structural brain connections, and are associated with dementia that is independent of Alzheimer's disease pathology or larger infarcts (ie, lacunar infarcts, and large cortical and non-lacunar subcortical infarcts). Substantial progress has been made with regard to understanding risk factors and functional consequences of cerebral microinfarcts, partly driven by new in-vivo detection methods and the development of animal models that closely mimic multiple aspects of cerebral microinfarcts in human beings...
July 14, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28716287/kidney-dysfunction-and-silent-brain-infarction-in-generally-healthy-adults
#12
Sang Hyuck Kim, Dong Wook Shin, Jae Moon Yun, Ji Eun Lee, Jae-Sung Lim, Be Long Cho, Hyung-Min Kwon, Jin-Ho Park
BACKGROUND: The association between silent brain infarction (SBI) and estimated glomerular filtration rate (eGFR)-based kidney dysfunction has not yet been definitively confirmed. This study aimed to investigate the association in generally healthy adults without a previous history of stroke or overt kidney disease. METHODS: The data from the screening health check-up program in the Seoul National University Hospital Health Promotion Center from January 1, 2009 to December 31, 2013 were used...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28709046/ankle-brachial-index-mri-markers-and-cognition-the-epidemiology-of-dementia-in-singapore-study
#13
Muhammad Amin Shaik, Narayanaswamy Venketasubramanian, Ching-Yu Cheng, Tien Yin Wong, Henri Vrooman, Mohammad Kamran Ikram, Saima Hilal, Christopher Chen
BACKGROUND AND AIMS: Previous studies showed an independent association of low ankle-brachial index (ABI) with cognitive impairment. However, the association between low ABI and cognition in the presence of both cerebrovascular disease (CeVD) and neurodegeneration is lacking. We aimed at investigating a) the association of low ABI with markers of CeVD and cortical thickness, and b) whether the association of low ABI with cognition is influenced by these markers. METHODS: Data was drawn from the Epidemiology of Dementia In Singapore (EDIS) study where all participants (n = 832) underwent neuropsychological tests and 3T brain magnetic resonance imaging (MRI) to assess CeVD markers as well as cortical thicknesses...
July 5, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28705824/carotid-plaque-morphology-and-ischemic-vascular-brain-disease-on-mri
#14
Q J A van den Bouwhuijsen, M W Vernooij, B F J Verhaaren, H A Vrooman, W J Niessen, G P Krestin, M A Ikram, O H Franco, A van der Lugt
BACKGROUND AND PURPOSE: Vulnerable carotid plaque components are reported to increase the risk of cerebrovascular events. Yet, the relation between plaque composition and subclinical ischemic brain disease is not known. We studied, in the general population, the association between carotid atherosclerotic plaque characteristics and ischemic brain disease on MR imaging. MATERIALS AND METHODS: From the population-based Rotterdam Study, 951 participants underwent both carotid MR imaging and brain MR imaging...
July 13, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28688982/the-effects-of-striatal-silent-lacunar-infarction-on-the-substantia-nigra-and-movement-disorders-in-parkinson-s-disease-a-follow-up-study
#15
Guohua Zhang, Chengguo Zhang, Yuhu Zhang, Yukai Wang, Kun Nie, Bin Zhang, Haiqun Xie, Jiancong Lu, Lijuan Wang
OBJECTIVE: Striatal silent lacunar infarction (SSLI) is associated with structural changes to the substantia nigra (SN), detectable by diffusion kurtosis imaging (DKI). In this follow-up study, we investigated the effects of SSLI on the SN and movement disorders in patients with Parkinson's disease (PD). METHODS: A total of 60 untreated patients with early-stage PD, divided into control and SSLI groups, were enrolled in this study. All participants underwent conventional MRI and DKI twice; at baseline and after a 1-year period...
June 27, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28687237/the-pulvinar-nucleus-is-associated-with-the-presence-of-dysarthria-in-patients-with-basal-ganglia-hemorrhage
#16
Dae Hyun Kim, Sunghyon Kyeong, Sung Jun Ahn, Yoon Ghil Park
Dysarthria is a frequent symptom in patients with stroke. The anatomical structures responsible for dysarthria have been reported in patients with lacunar infarcts, but the related lesions in patients with basal ganglia hemorrhage (BGH) have not been investigated. The aim of this study was to identify associations between the lesion location and the presence/absence of dysarthria in patients with BGH using voxel-based lesion symptom mapping (VLSM) analyses. A retrospective analysis was conducted on 26 patients with acute BGH (mean age, 54...
August 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28684376/the-association-between-arterial-stiffness-initial-stroke-severity-and-3-week-outcomes-in-patients-with-ischemic-stroke
#17
Emma Ormerod, Khalid Ali, James Cameron, Muzaffar Malik, Richard Lee, Spas Getov, Chakravarthi Rajkumar
OBJECTIVES: Vascular compliance is emerging as a useful cardiovascular risk factor. The aim of this study was to investigate the association between arterial stiffness and stroke severity at presentation and 3 weeks. METHODS: Forty two patients with acute ischemic stroke (55% male, mean age 71 years) were recruited over 15-months. Stroke subtypes were classified into lacunar circulation infarct (LACI), partial anterior circulation infarct (PACI), and posterior circulation infarct (POCI)...
July 3, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28681535/microbleeds-in-the-secondary-prevention-of-small-subcortical-strokes-trial-stroke-mortality-and-treatment-interactions
#18
Ashkan Shoamanesh, Lesly A Pearce, Carlos Bazan, Luciana Catanese, Leslie A McClure, Mukul Sharma, Joan Marti-Fabregas, David C Anderson, Carlos S Kase, Robert G Hart, Oscar R Benavente
OBJECTIVE: To characterize cerebral microbleeds (CMBs) in lacunar stroke patients in the Secondary Prevention of Small Subcortical Strokes (SPS3) trial and to assess their relationship with recurrent stroke and death, and response to assigned treatment. METHODS: SPS3 is a randomized, clinical trial conducted between 2003 and 2011. Patients with recent magnetic resonance imaging (MRI)-documented lacunar infarcts were randomly assigned in a factorial design to target levels of systolic blood pressure (130-149mmHg vs <130mmHg; open label) and to antiplatelet treatment (aspirin/clopidogrel vs aspirin/placebo; double-blinded)...
July 6, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28631309/obstructive-sleep-apnea-and-silent-cerebral-infarction-in-hypertensive-individuals
#19
José Alvarez-Sabín, Odile Romero, Pilar Delgado, Manuel Quintana, Estevo Santamarina, Alex Ferré, Olga Maisterra, Iolanda Riba-Llena, Joan Montaner, Gabriel Sampol
Obstructive sleep apnea syndrome is very prevalent in hypertensive subjects. Moreover, obstructive sleep apnea syndrome activates multiple processes that might be associated with silent cerebral infarct independently of established risk factors. Our aim is to estimate the frequency of obstructive sleep apnea syndrome in hypertensive patients with and without silent cerebral infarct, and to determine whether obstructive sleep apnea syndrome is an independent risk factor of silent cerebral infarct and/or lacunar silent cerebral infarct in patients with hypertension...
June 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28628911/a-carasil-patient-from-americas-with-novel-mutation-and-atypical-features-case-presentation-and-literature-review
#20
Muhammad Ibrahimi, Hiroaki Nozaki, Angelica Lee, Osamu Onodera, Raymond Reichwein, Matthew Wicklund, Mohammad El-Ghanem
OBJECTIVE: Reporting a novel mutation in the HTRA1 gene in a CARASIL patient from Americas. METHODS: Clinical presentation and neuroimaging were consistent with CARASIL. HTRA1 DNA sequencing was performed using advanced ("next generation") sequencing technology. The results revealed a homozygous missense mutation as c.616G>A (p.Gly206Arg) in the HTRA1 gene. RESULTS: A 24-year-old man with a history of chronic back pain presented with recurrent ischemic strokes...
June 21, 2017: Cerebrovascular Diseases
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