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Ischemic cerebral disease

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https://www.readbyqxmd.com/read/29905566/-evaluation-of-neuroprotective-activity-of-complex-impact-of-magnesium-of-sulfate-lamotrygine-and-n-acetylcysteine-under-conditions-of-combined-normobaric-hypoxia-with-ligation-of-right-carotid-artery-in-rats
#1
M Samsonia, M Kandelaki, N Baratashvili
Cerebrovascular diseases of ischemic origin still remain the leading cause of death and disability of the population. In acute cerebral discirculation conditions, anaerobic glycolysis is activated, ATP formation rate decreases, the ion pumps work is disrupted and superoxide radicals are formed. Eventually, ionic asymmetry leads to the cytotoxic and vasogenic brain edema. Therefore, it is extremely important to induce simultaneous (complex) effect of medications on the key mechanisms of neuronal damage in process of survival of brain cells during acute ischemic stroke...
May 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29896664/neurological-disorders-associated-with-human-alphaherpesviruses
#2
Jun-Ichi Kawada
Herpes simplex virus (HSV) encephalitis is the most common cause of sporadic fatal encephalitis worldwide, and central nervous system (CNS) involvement is observed in approximately one-third of neonatal HSV infections . In recent years, single-gene inborn errors of innate immunity have been shown to be associated with susceptibility to HSV encephalitis . Temporal lobe abnormalities revealed by magnetic resonance imaging-the most sensitive imaging method for HSV encephalitis-are considered strong evidence for the disease...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29895322/moyamoya-disease-in-a-moroccan-baby-a-case-report
#3
Abdelhafid Houba, Nisrine Laaribi, Mohammed Meziane, Abdelhamid Jaafari, Khalil Abouelalaa, Mustapha Bensghir
BACKGROUND: A stroke in a baby is uncommon, recent studies suggested that their incidence is rising. Moyamoya disease is one of the leading causes of stroke in babies. This condition is mostly described in Japan. In Morocco, moyamoya disease has rarely been reported and a few cases were published. We report a rare Moroccan case of a 23-month-old baby boy who presented with left-sided hemiparesis and was diagnosed as having moyamoya disease. CASE PRESENTATION: A 23-month-old full-term Moroccan baby boy born to a non-consanguineous couple was referred to our hospital with the complaint of sudden onset left-sided hemiparesis...
June 13, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29894304/is-troponin-really-a-reliable-marker-in-patients-with-acute-ischemic-stroke
#4
Zeynep Yildiz, Abdulkadir Koçer, Şahin Avşar, Göksel Cinier
BACKGROUND AND PURPOSE: Cardiac troponin I (cTnI) is a reliable marker to diagnose acute myocardial infarction, but the pathophysiological explanation for the increase in cTnI levels in patients with acute ischemic stroke (IS) remains unknown. To overcome this question, we aimed to compare serum cTnI levels in acute coronary syndrome (ACS) concomitant with and without stroke. By doing like this, we thought that we could demonstrate the effect of stroke on TrpI level. METHODS: Serum cTnI levels of 41 patients having ACS with acute IS during hospitalization were compared with 97 control patients having only ACS...
June 1, 2018: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/29880270/enriched-brain-omega-3-polyunsaturated-fatty-acids-confer-neuroprotection-against-microinfarction
#5
Chuanming Luo, Huixia Ren, Xiaoli Yao, Zhe Shi, Fengyin Liang, Jing X Kang, Jian-Bo Wan, Zhong Pei, Kuan-Pin Su, Huanxing Su
Cerebral microinfarcts have significant effects on the development of geriatric neurological disorders, including vascular dementia and Alzheimer's disease. However, little is known about the pathophysiological mechanisms involved in the evolution of microinfarcts and potential treatment and prevention against these microvascular ischemic lesions. In the present study, the "single cortical microinfarct model" generated via occluding a penetrating arteriole by femtosecond laser ablation and the "multiple diffuse microinfarcts model" induced by unilateral injection of cholesterol crystals through the internal carotid artery were established to investigate the pathophysiological mechanisms underlying the evolution of microinfarcts and the effects of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) on alleviating microinfarct burdens and functional deficits...
June 4, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29880104/intracardiac-versus-transesophageal-echocardiographic-guidance-for-left-atrial-appendage-occlusion-the-laao-italian-multicenter-registry
#6
Sergio Berti, Luigi Emilio Pastormerlo, Gennaro Santoro, Elvis Brscic, Matteo Montorfano, Luigi Vignali, Paolo Danna, Claudio Tondo, Marco Rezzaghi, Gianpiero D'Amico, Amerigo Stabile, Salvatore Saccà, Giuseppe Patti, Antonio Rapacciuolo, Arnaldo Poli, Paolo Golino, Paolo Magnavacchi, Francesco Meucci, Bruno Pezzulich, Miroslava Stolcova, Giuseppe Tarantini
OBJECTIVES: This study sought to evaluate the feasibility, safety, and efficacy of intracardiac echocardiography (ICE)-guided versus transesophageal echocardiography (TEE)-guided left atrial appendage occlusion (LAAO) by the use of Amplatzer Cardiac Plug or Amulet devices included in a large Italian registry. BACKGROUND: TEE is widely used for LAAO procedure guidance. ICE may be a potential alternative imaging modality in LAAO. METHODS: Data from 604 LAAO procedures performed in 16 Italian centers were reviewed...
June 11, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29879070/deep-cerebral-microbleeds-are-associated-with-the-severity-of-lacunar-infarcts-and-hypertension-a-retrospective-analysis
#7
Zhongbao Gao, Yongzhi Zhai, Xingli Zhao, Wei Wang, Weiping Wu, Zhenfu Wang, Ruozhuo Liu, Xiaodan Wang
Cerebral microbleeds (CMBs) and lacunar infarcts are common manifestations of cerebral small vessel disease. However, the association between the location of CMBs and lacunar infarcts is unclear. Our study aimed to clarify the relationship between the location of CMBs and lacunar infarcts.This study retrospectively analyzed 166 patients with ischemic stroke or transient ischemic attacks admitted in the Geriatric Neurology Department of Chinese PLA General Hospital between February 2010 and December 2012. We collected clinical characteristics and risk factors of CMBs...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29878487/chronic-oral-infection-an-emerging-risk-factor-of-cerebral-small-vessel-disease
#8
REVIEW
Ghazal Aarabi, Götz Thomalla, Guido Heydecke, Udo Seedorf
Chronic oral infections (gingivitis/periodontitis) have been associated with age-related diseases such as diabetes, coronary heart disease and acute ischemic stroke. In addition, imaging surrogates of cerebrovascular ischemia beyond acute ischemic stroke (i.e. silent strokes and brain white matter hyperintensities) may also be associated with chronic oral infections. The pathology underlying lacunar strokes and brain white matter hyperintensities relates to small vessel disease in the brain. In this review, we highlight recent progress in exploring potential associations of oral infections with cerebral small vessel disease and its surrogates (silent strokes, white matter hyperintensities) and clinical sequelae (i...
June 7, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29875853/prevalence-and-predictors-of-depression-after-stroke-results-from-a-prospective-study
#9
Danijela Vojtikiv-Samoilovska, Anita Arsovska
BACKGROUND: A depression following a stroke (Post Stoke Depression-PSD) is the most common complication of a stroke that has a negative effect on the result after the stroke. A better definition of the risk factors of the disease will provide for better prediction and treatment. AIM: To research identification of the risk factors for PSD, typical for the Macedonian population, which will help in early prediction, timely diagnosis and treatment of the disease? MATERIAL AND METHODS: We carried out a prospective study in order to determine the prevalence and the risk factors of PSD in 100 patients treated at the hospital in Tetovo...
May 20, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29871518/stem-cell-factor-in-combination-with-granulocyte-colony-stimulating-factor-reduces-cerebral-capillary-thrombosis-in-a-mouse-model-of-cadasil
#10
Suning Ping, Xuecheng Qiu, Maria E Gonzalez-Toledo, Xiaoyun Liu, Li-Ru Zhao
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy (CADASIL) is a cerebral small vascular disease caused by NOTCH3 mutation-induced vascular smooth muscle cell (VSMC) degeneration, leading to ischemic stroke and vascular dementia. Our previous study has demonstrated that repeated treatment with a combination of stem cell factor (SCF) and granulocyte colony-stimulating factor (G-CSF) reduces VSMC degeneration and cerebral endothelial cell (EC) damage and improves cognitive function in a mouse model of CADASIL (TgNotch3R90C)...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29868521/measuring-near-infrared-spectroscopy-derived-cerebral-autoregulation-in-neonates-from-research-tool-toward-bedside-multimodal-monitoring
#11
REVIEW
Liesbeth Thewissen, Alexander Caicedo, Petra Lemmers, Frank Van Bel, Sabine Van Huffel, Gunnar Naulaers
Introduction: Cerebral autoregulation (CAR), the ability of the human body to maintain cerebral blood flow (CBF) in a wide range of perfusion pressures, can be calculated by describing the relation between arterial blood pressure (ABP) and cerebral oxygen saturation measured by near-infrared spectroscopy (NIRS). In literature, disturbed CAR is described in different patient groups, using multiple measurement techniques and mathematical models. Furthermore, it is unclear to what extent cerebral pathology and outcome can be explained by impaired CAR...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29867745/remote-ischemic-conditioning-in-cerebral-diseases-and-neurointerventional-procedures-recent-research-progress
#12
REVIEW
Geng Zhou, Ming Hua Li, Gabriel Tudor, Hai Tao Lu, Ramanathan Kadirvel, David Kallmes
Cerebral ischemia and stroke are increasing in prevalence and are among the leading causes of morbidity and mortality in both developed and developing countries. Despite the progress in endovascular treatment, ischemia/reperfusion (IR) injury is an important contributor to post-surgical mortality and morbidity affecting a wide range of neurointerventional procedures. However, pharmacological recruitment of effective cerebral protective signaling has been largely disappointing to date. In remote ischemic conditioning (RIC), repetitive transient mechanical obstruction of vessels at a limb remote from the IR injury site protects vital organs from IR injury and confers infarction size reduction following prolonged arterial occlusion...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29867719/stroke34-study-protocol-a-randomized-controlled-phase-iia-trial-of-intra-arterial-cd34-cells-in-acute-ischemic-stroke
#13
João Sargento-Freitas, Anabela Pereira, André Gomes, Paula Amorim, Teresa Matos, Carla M P Cardoso, Fernando Silva, Gustavo Cordeiro Santo, César Nunes, Orlando Galego, José Carda, João Branco, Víctor Lourenço, Luís Cunha, Lino Ferreira
Rationale/aim: Despite the increasing efficacy of recanalization therapies for acute ischemic stroke, a large number of patients are left with long-term functional impairment, devoid of efficacious treatments. CD34+ cells comprise a subset of bone marrow-derived mononuclear cells with the capacity to promote angiogenesis in ischemic lesions and have shown promising results in observational and in vitro studies. In this study, we aim to assess the efficacy of an autotransplant of CD34+ cells in acute ischemic stroke...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29867570/xinnao-shutong-modulates-the-neuronal-plasticity-through-regulation-of-microglia-macrophage-polarization-following-chronic-cerebral-hypoperfusion-in-rats
#14
Liye Wang, Rongliang Wang, Zhigang Chen, Haiping Zhao, Yumin Luo
Xinnao shutong (XNST) capsules have been clinically used in China to treat cerebrovascular diseases. Previous studies have demonstrated that XNST has significant neuroprotective effects against acute cerebral ischemic stroke. The present study investigated the effects and mechanisms of XNST treatment following chronic cerebral hypoperfusion. Thirty-six adult male Sprague-Dawley rats were treated with XNST or vehicle following permanent bilateral common carotid artery (BCCA) ligation. Body weight was recorded on days 0, 3, 7, 14, 28, and 42 post-surgery...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29864411/lixisenatide-ameliorates-cerebral-ischemia-reperfusion-injury-via-glp-1-receptor-dependent-independent-pathways
#15
Rania G Abdel-Latif, Gehan H Heeba, Ashraf Taye, Mohamed M A Khalifa
Ischemic stroke is a major cause of neurological damage and brain dysfunction with consequent strong cerebral oxidative imbalance, inflammatory and apoptotic responses. Lixisenatide is a new potent glucagon-like peptide -1 (GLP-1) analogue that has been used clinically in the treatment of type II diabetes. Recent studies suggested the beneficial central effects of GLP-1-based therapies on different neurodegenerative diseases. This study aimed to investigate the ameliorative effect of lixisenatide in global cerebral ischemia-reperfusion (I/R) rat model and elaborate the underline mechanisms that could mediate the proposed activity...
June 1, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29859676/preoperative-cerebral-hemodynamics-from-birth-to-surgery-in-neonates-with-critical-congenital-heart-disease
#16
Jennifer M Lynch, Tiffany Ko, David R Busch, John J Newland, Madeline E Winters, Kobina Mensah-Brown, Timothy W Boorady, Rui Xiao, Susan C Nicolson, Lisa M Montenegro, J William Gaynor, Thomas L Spray, Arjun G Yodh, Maryam Y Naim, Daniel J Licht
BACKGROUND: Hypoxic-ischemic white matter brain injury commonly occurs in neonates with critical congenital heart disease. Recent work has shown that longer time to surgery is associated with increased risk for this injury. In this study we investigated changes in perinatal cerebral hemodynamics during the transition from fetal to neonatal circulation to ascertain mechanisms that might underlie this risk. METHODS: Neonates with either transposition of the great arteries (TGA) or hypoplastic left heart syndrome (HLHS) were recruited for preoperative noninvasive optical monitoring of cerebral oxygen saturation, cerebral oxygen extraction fraction, and cerebral blood flow using diffuse optical spectroscopy and diffuse correlation spectroscopy, 2 noninvasive optical techniques...
May 3, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29858775/targeting-the-brain-with-a-neuroprotective-omega-3-fatty-acid-to-enhance-neurogenesis-in-hypoxic-condition-in-culture
#17
Amanda Lo Van, Nobuyuki Sakayori, Mayssa Hachem, Mounir Belkouch, Madeleine Picq, Baptiste Fourmaux, Michel Lagarde, Noriko Osumi, Nathalie Bernoud-Hubac
Docosahexaenoic acid (DHA, 22:6n-3) is an essential omega-3 polyunsaturated fatty acid (PUFA) that is required for proper brain development and cerebral functions. While DHA deficiency in the brain was shown to be linked to the emergence of cerebral diseases, a dietary intake of omega-3 PUFA could prevent or attenuate neurologic disturbances linked with aging or neurodegenerative diseases. In this context, targeting the brain with DHA might offer great promise in developing new therapeutics for neurodegenerative diseases...
June 1, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29852178/ezetimibe-a-npc1l1-inhibitor-attenuates-neuronal-apoptosis-through-ampk-dependent-autophagy-activation-after-mcao-in-rats
#18
Jing Yu, Xue Li, Nathanael Matei, Devin McBride, Jiping Tang, Min Yan, John H Zhang
Autophagy activation exerts neuroprotective effects in the ischemic stroke model. Ezetimibe (Eze), a Niemann-Pick disease type C1-Like 1 (NPC1L1) pharmacological inhibitor, has been reported to protect hepatocytes from apoptosis via autophagy activation. In this study, we explored whether Eze could attenuate neuronal apoptosis in the rat model of middle cerebral artery occlusion (MCAO), specifically via activation of the AMPK/ULK1/autophagy pathway. Two hundred and one male Sprague-Dawley rats were subjected to transient MCAO followed by reperfusion...
May 28, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29850833/two-year-clinical-cerebral-hemodynamic-and-cognitive-outcomes-of-adult-patients-undergoing-medication-alone-for-symptomatically-ischemic-moyamoya-disease-without-cerebral-misery-perfusion-a-prospective-cohort-study
#19
Kenya Miyoshi, Kohei Chida, Masakazu Kobayashi, Yoshitaka Kubo, Kenji Yoshida, Kazunori Terasaki, Kuniaki Ogasawara
BACKGROUND: In nonsurgical adult moyamoya disease (MMD) patients with ischemic onset and stable hemodynamics, the cerebral hemodynamic and cognitive course remains unclear. OBJECTIVE: To clarify, through a prospective cohort study, 2-yr clinical, cerebral hemodynamic, and cognitive outcomes of adult patients receiving medication alone for symptomatically ischemic MMD without cerebral misery perfusion. METHODS: Seventy patients without cerebral misery perfusion on the first 15O gas positron emission tomography (PET) were clinically followed up for 2 yr...
May 30, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29848906/elevation-of-autoantibody-in-patients-with-ischemic-stroke
#20
Yoichi Yoshida, Takaki Hiwasa, Toshio Machida, Eiichi Kobayashi, Seiichiro Mine, Jun Matsushima, Masaki Takiguchi, Yasuo Iwadate
Recent clinical research has revealed a significant correlation between atherosclerosis, one of the primary etiologies of ischemic stroke, and the immune system. Assuming that "disease-specific autoantibodies are produced in the sera of patients with ischemic stroke," we investigated multiple arteriosclerosis-related antibodies using the serological identification of antigens by recombinant cDNA expression cloning (SEREX), an established method for identifying antigenic proteins. We either screened a human aortic endothelial cell cDNA library or conducted protein array screening using the sera from patients with ischemic stroke, such as carotid artery stenosis or transient ischemic attack (TIA)...
May 31, 2018: Neurologia Medico-chirurgica
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