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Carotid disease

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https://www.readbyqxmd.com/read/29352651/catheter-injected-bone-marrow-mesenchymal-stem-cells-induce-efficacious-occlusion-of-arteriovenous-nidus-in-a-swine-model
#1
Joseph Touma, Jianping Dai, Andre Gaston, Marianne Gervais, Eric Allaire
OBJECTIVES: Arteriovenous malformations (AVMs) are complex vascular lesions. Surgical excision is the treatment of choice, but is often not achievable. Embolo-sclerotherapy alone is associated with high recurrence rates. This study tested the hypothesis that seeding hydrogel conditioned bone marrow derived mesenchymatous stem cells (BM-MSCs) in an AVM nidus model induces solid microvascular occlusion through endoluminal tissue growth. METHODS: AVMs were modelled as arteriovenous microvascular nidus, using swine rete mirabile, a plexiform intracranial structure composed of arterial microvessels that extensively anastomose...
January 15, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29351856/high-density-lipoprotein-with-apolipoprotein-c-iii-is-associated-with-carotid-intima-media-thickness-among-generally-healthy-individuals
#2
Rain Yamamoto, Frank M Sacks, Frank B Hu, Bernard Rosner, Jeremy D Furtado, Sarah A Aroner, Ele Ferrannini, Simona Baldi, Michaela Kozakova, Beverley Balkau, Andrea Natali, Majken K Jensen
BACKGROUND AND AIMS: About 6-7% of high density lipoprotein (HDL) has a protein called apolipoprotein (apo) C-III that regulates lipoprotein metabolism and can provoke an inflammatory response. HDL without apoC-III is inversely associated with coronary heart disease (CHD), whereas HDL with apoC-III is directly associated with CHD. We investigated how the presence of apoC-III affects the association between HDL and early stages of atherosclerosis measured as carotid intima-media thickness (cIMT)...
January 2, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29351739/a-study-of-the-association-of-rs12040273-with-susceptibility-and-severity-of-coronary-artery-disease-in-a-chinese-han-population
#3
Bo Yang, Shan Yan, Jianjun Yan, Yafei Li, Mohammad Reeaze Khurwolah, Liansheng Wang, Zhong Chen
BACKGROUND: The single nucleotide polymorphism (SNP) rs12040273, a variant of UDP-N-acetylgalactosamine, polypeptide GalNAc-transferase 2, has recently been reported to be significantly associated with development of carotid artery intima-media thickness (IMT) in a Chinese population based on a genome-wide association study. Because IMT is a potent marker of coronary artery disease (CAD), the aim of this study was to evaluate the relation of rs12040273 to susceptibility and severity of CAD in a Chinese Han population...
January 19, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29351431/feasibility-of-phase-contrast-cine-magnetic-resonance-imaging-for-measuring-blood-flow-in-the-sheep-fetus
#4
An Qi Duan, Jack R T Darby, Jia Yin Soo, Mitchell C Lock, Meng Yuan Zhu, Lucy V Flynn, Sunthara Rajan Perumal, Christopher K Macgowan, Joseph B Selvanayagam, Janna L Morrison, Mike Seed
Phase-contrast cine MRI (PC-MRI) is the gold-standard non-invasive technique for measuring vessel blood flow and has previously been applied in the human fetal circulation. We aimed to assess the feasibility of using PC-MRI to define the distribution of the fetal circulation in sheep. Fetuses were catheterized at 119-120 days gestation (term, 150 days) and underwent MRI at 123 days gestation under isoflurane anesthesia, ventilated at a FiO2 of 1.0. PC-MRI was performed using a fetal arterial blood pressure catheter signal for cardiac triggering...
December 13, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29350803/thrombectomy-outcomes-for-acute-stroke-patients-with-anterior-circulation-tandem-lesions-a-clinical-registry-and-an-update-of-systematic-review-with-meta-analysis
#5
Udi Sadeh-Gonik, Noam Tau, Tal Friehmann, Serge Bracard, René Anxionnat, Anne-Laure Derelle, Romain Tonnelet, Liang Lia, Sébastien Richard, Xavier Armoiry, Benjamin Gory
BACKGROUND AND PURPOSE: Although mechanical thrombectomy (MT) appears to be superior in stroke patients with extracranial carotid disease (ECD) compared to thrombolysis alone, the impact of emergent carotid stenting during MT remains unclear. We assessed the MT outcomes in anterior stroke patients with ECD, especially when combined with carotid stenting. METHODS: We performed a retrospective analysis of our registry and conducted an update of a systematic review and meta-analysis of MT studies with or without stenting for anterior circulation stroke with ECD published between November 2010 and April 2017...
January 19, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29350576/posterior-reversible-encephalopathy-syndrome-in-stroke-prone-spontaneously-hypertensive-rats-on-high-salt-diet
#6
Fanny Herisson, Iris Zhou, Jerome Mawet, E Du, Arnavaz H Barfejani, Tao Qin, Marilyn J Cipolla, Philip Z Sun, Natalia S Rost, Cenk Ayata
Stroke-prone spontaneously hypertensive rats (SHRSP) on high-salt diet are characterized by extremely high arterial pressures, and have been endorsed as a model for hypertensive small vessel disease and vascular cognitive impairment. However, rapidly developing malignant hypertension is a well-known cause of posterior reversible encephalopathy syndrome (PRES) in humans, associated with acute neurological deficits, seizures, vasogenic cerebral edema and microhemorrhages. In this study, we aimed to examine the overlap between human PRES and SHRSP on high-salt diet...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29350093/thiobarbituric-acid-reactive-substances-relate-to-arterial-stiffness-and-blood-pressure-in-6-to-8-year-old-boys-stratified-by-maternal-risk
#7
Ashleigh Craig, Catharina M C Mels, Ruan Kruger
Early cardiovascular disease (CVD) onset can be inflicted by familial cardiovascular and lifestyle risk factors. We aimed to compare phenotypic characteristics and explore associations between oxidative stress and vascular function in boys stratified by maternal cardiovascular and lifestyle risk. We included 40 Black and 41 White boys (ages 6-8 years), along with the biological mother of each child. The study population was divided into two groups (nonmaternal risk vs. maternal risk) according to maternal risk predetermined by their selfreported cardiovascular and lifestyle risk factors...
January 19, 2018: Free Radical Research
https://www.readbyqxmd.com/read/29349412/treatment-of-a-symptomatic-intrathoracic-internal-carotid-artery
#8
Christopher R Brown, Michael R Brown
Intrathoracic common carotid artery bifurcations are an anatomic anomaly with such rarity that only six cases have been reported to date. The true incidence of and preferred treatment options for a diseased intrathoracic common carotid artery bifurcation or internal carotid artery (ICA) have not been clearly described. This case report describes a 72-year-old man who experienced a postoperative right hemispheric stoke after an aortic valve replacement, radiofrequency maze procedure, and left atrial appendage clip...
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29345099/aortic-versus-carotid-intima-media-thickness-and-impact-of-aortic-valve-disease
#9
Johan Petrini, Margareta Ring, Anders Franco-Cereceda, Kenneth Caidahl, Maria J Eriksson
BACKGROUND AND AIMS: Intima-media thickness is a marker for atherosclerosis but is also influenced by shear stress and flow. We evaluated the relation between intima-media thickness of the descending aorta (AoIMT) and the common carotid artery (CIMT) in patients with and without severe aortic valve disease (sAVD). METHODS: A total of 310 patients (233 with sAVD, 77 without) were examined with regard to AoIMT and CIMT using transesophageal echocardiography and carotid ultrasound, respectively, before valvular and/or aortic surgery...
January 17, 2018: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/29344304/atherosclerosis-is-exacerbated-by-chitinase-3-like-1-in-amyloid-precursor-protein-transgenic-mice
#10
Yu Yeon Jung, Ki Cheon Kim, Mi Hee Park, Youngsik Seo, Heonyong Park, Min Hee Park, Jun Chang, Dae Youn Hwang, Sang Bae Han, Sanghyeon Kim, Dong Ju Son, Jin Tae Hong
Although the important role of amyloid precursor protein (APP) in vascular diseases associated with Alzheimer's disease (AD) has been demonstrated, the underlying molecular mechanisms and physiological consequences are unclear. We aimed to evaluate vascular inflammation and atherosclerosis in Swedish mutant of human APP transgenic (APPsw-Tg) and ApoE-/-/APPsw-Tg mice. We also aimed to explore the mechanisms underlying any changes observed in these mice compared with non-Tg controls. Methods: The transgenic and non-Tg mouse strains were subjected to partial ligation of the left carotid artery to induce atherosclerotic changes, which were measured using histological approaches, immunohistochemistry, quantitative polymerase chain reaction, and gene expression microarrays...
2018: Theranostics
https://www.readbyqxmd.com/read/29341947/spontaneous-direct-carotid-cavernous-fistula-in-an-elderly-patient
#11
Stanimir S Sirakov, Borislav D Kitov, Kristina S Sirakova, Ivo I Kehayov
We describe the case of an 83-year-old woman with left-sided ophthalmoplegia. She had no family history of connective tissue disease. The computed tomography study found a dilated left cavernous sinus. The conventional cerebral panangiography confirmed the diagnosis - a direct carotid-cavernous fistula (CCF), with no evidence of ruptured aneurysm. The woman underwent endovascular treatment with coiling of the cavernous sinus in combination with application of the Onyx embolic agent in the fistula. During the first 48 hours after the embolization the local pain, exophthalmos and conjunctival injection of the left eye were significantly ameliorated...
December 20, 2017: Folia Medica
https://www.readbyqxmd.com/read/29340741/-platelet-inhibition-in-patients-with-coronary-cerebral-and-peripheral-macroangiopathy-what-when-and-how-long
#12
REVIEW
M Halbach, S Baldus
BACKGROUND: Inhibition of platelet aggregation can reduce the rate of vascular events in patients with coronary artery disease, carotid artery stenosis and symptomatic peripheral arterial disease. The choice of platelet inhibitors in monotherapy and combination therapy as well as the duration of dual platelet inhibition depend on the clinical situation and individual patient characteristics. GOAL: The present review summarizes the latest data from clinical trials and recommendations regarding platelet inhibition in coronary, cerebral and peripheral arterial disease...
January 16, 2018: Der Internist
https://www.readbyqxmd.com/read/29340036/the-association-between-elevated-fasting-plasma-glucose-levels-and-carotid-intima-media-thickness-in-non-diabetic-adults-a-population-based-cross-sectional-study
#13
Yalin Guan, Changshen Yu, Min Shi, Jingxian Ni, Yanan Wu, Hongfei Gu, Lingling Bai, Jie Liu, Jun Tu, Jinghua Wang, Xianjia Ning
We assessed the association between the mean carotid intima-media thickness (CIMT) and fasting plasma glucose (FPG) levels in a low-income population in rural China. Adults aged ≥45 years without a history of diabetes, stroke, or cardiovascular disease were recruited. All participants were categorized into four groups according to FPG level. A total of 3509 participants were analyzed in this study. In the univariate analysis, sex, age, education level, hypertension, central obesity, current smoking, alcohol consumption, and higher levels of FPG, total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) were associated with mean CIMT and frequency of increased CIMT...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339674/relation-between-high-serum-hepcidin-25-level-and-subclinical-atherosclerosis-and-cardiovascular-mortality-in-hemodialysis-patients
#14
Özlem Yayar, Barış Eser, Harun Kılıç
OBJECTIVE: In hemodialysis (HD) patients, cardiovascular disease (CVD) is the major cause of mortality and morbidity. In atherosclerotic diseases, iron gets accumulated in the arterial wall. Hepcidin is an important hormone in iron metabolism. Furthermore, hepcidin is associated with atherosclerotic disease. Therefore, this study aims to investigate the relation of serum hepcidin-25 (SH-25) and sub-clinic atherosclerosis measured by carotid intima-media thickness (CIMT) and mortality in HD patients...
January 17, 2018: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/29338972/hdl-c-apoa1-and-vldl-tg-as-biomarkers-for-the-carotid-plaque-presence-in-patients-with-metabolic-syndrome
#15
Meryem Abi-Ayad, Amine Abbou, Fatima Zahra Abi-Ayad, Omar Behadada, Mohamed Benyoucef
AIM: Hypercholesterolemia and hyper LDL-C are associated with the atherosclerosis (AS). The current study was performed to evaluate the implication of the others lipoproteins (HDL, LDL, VLDL) and apolipoproteins (ApoA1, ApoB100) with subclinical atherosclerosis (carotid plaque) in patients with metabolic syndrome (MetS) free from cardiovascular disease (CVD). METHODS: Prospective transversal study was conducted in patients with MetS free from cardiovascular disease (CVD)...
December 30, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/29337010/protective-effects-of-a-radical-scavenger-edaravone-on-oligodendrocyte-precursor-cells-against-oxidative-stress
#16
Hajime Takase, Anna C Liang, Nobukazu Miyamoto, Gen Hamanaka, Ryo Ohtomo, Takakuni Maki, Loc-Duyen D Pham, Josephine Lok, Eng H Lo, Ken Arai
Oligodendrocyte precursor cells (OPCs) play critical roles in maintaining the number of oligodendrocytes in white matter. Previously, we have shown that oxidative stress dampens oligodendrocyte regeneration after white matter damage, while a clinically proven radical scavenger, edaravone, supports oligodendrocyte repopulation. However, it is not known how edaravone exerts this beneficial effect against oxidative stress. Using in vivo and in vitro experiments, we have examined whether edaravone exhibits direct OPC-protective effects...
January 11, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29336616/study-of-the-osteoprotegerin-receptor-activator-of-nuclear-factor-kb-ligand-system-association-with-inflammation-and-atherosclerosis-in-systemic-sclerosis
#17
Rania M Gamal, Walid M Gamal, Abeer M Ghandour, Hanan Sayed M Abozaid, Mona Embarek Mohamed, Yasser Emad, Ahmed Abdel Galeel
OBJECTIVE: we aimed to study systemic sclerosis patients in order to assess osteoprotegerin/Receptor activator of nuclear factor-kB ligand (OPG/RANKL) system and find the relation of these biomarkers with the clinical features of the disease, the carotid intima thickness, markers of inflammation, lipid profile, and other laboratory characteristics. METHODS: both the level of (RANKL), (OPG) in sera of participants, in 30 (SSc) patients and the atherosclerotic changes affecting the common carotid artery were measured and, were compared to 30 healthy controls matched for age and sex...
January 16, 2018: Immunological Investigations
https://www.readbyqxmd.com/read/29335248/fast-neurogenesis-from-carotid-body-quiescent-neuroblasts-accelerates-adaptation-to-hypoxia
#18
Verónica Sobrino, Patricia González-Rodríguez, Valentina Annese, José López-Barneo, Ricardo Pardal
Unlike other neural peripheral organs, the adult carotid body (CB) has a remarkable structural plasticity, as it grows during acclimatization to hypoxia. The CB contains neural stem cells that can differentiate into oxygen-sensitive glomus cells. However, an extended view is that, unlike other catecholaminergic cells of the same lineage (sympathetic neurons or chromaffin cells), glomus cells can divide and thus contribute to CB hypertrophy. Here, we show that O2-sensitive mature glomus cells are post-mitotic...
January 15, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29334727/apob-apoa-i-ratio-is-independently-associated-with-carotid-atherosclerosis-in-type-2-diabetes-mellitus-with-well-controlled-ldl-cholesterol-levels
#19
Ji Eun Jun, Young Ju Choi, Yong-Ho Lee, Dae Jung Kim, Seok Won Park, Byung Wook Huh, Eun Jig Lee, Sun-Ha Jee, Kyu Yeon Hur, Sung Hee Choi, Kap Bum Huh
BACKGROUND/AIMS: This study aimed to investigate whether the apolipoprotein (Apo) B/ApoA-I ratio is associated with carotid intima-media thickness (CIMT) in type 2 diabetes mellitus (T2DM) subjects with low density lipoprotein cholesterol (LDL-C) levels less than 100 mg/dL. METHODS: This cross-sectional study included 845 subjects aged with T2DM 40 to 75 years who had visited Huh's Diabetes Center in Seoul, Republic of Korea for CIMT measurement. Traditional fasting lipid profiles, ApoB and ApoA-I levels were examined...
January 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29334490/differential-impact-of-local-and-regional-aortic-stiffness-on-left-ventricular-remodeling-a-cardiovascular-magnetic-resonance-study
#20
Thiago Quinaglia, Mourad Z Bensalah, Emilie Bollache, Nadjia Kachenoura, Gilles Soulat, Pierre Boutouyrie, Stéphane Laurent, Elie Mousseaux
BACKGROUND: Left ventricular (LV) remodeling and aortic stiffness have independent predictive value for all causes and cardiovascular mortality. Because elastic properties of the arterial wall vary along the aortic pathway, we hypothesized that local and regional aortic stiffness could differently impact on LV remodeling. METHODS AND RESULTS: Regional aortic stiffness was determined from carotid-femoral pulse wave velocity (cfPWV) measured by aplanation tonometry...
January 13, 2018: Journal of Hypertension
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