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https://www.readbyqxmd.com/read/29353355/cerebrospinal-fluid-biomarkers-profile-of-idiopathic-normal-pressure-hydrocephalus
#1
REVIEW
Tommaso Schirinzi, Giulia Maria Sancesario, Giulia Di Lazzaro, Alessio D'Elia, Paola Imbriani, Simona Scalise, Antonio Pisani
Idiopathic normal pressure hydrocephalus (iNPH) is a disabling neurological disorder whose potential treatability is significantly limited by diagnostic uncertainty. In fact, typical clinical presentation occurs at late phases of disease, when CSF shunting could be ineffective. In recent years, measurement of different CSF proteins, whose concentration directly reflects neuropathological changes of CNS, has significantly improved both diagnostic timing and accuracy of neurodegenerative disease. Unfortunately iNPH lacks neuropathological hallmarks allowing the identification of specific disease biomarkers...
January 20, 2018: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29353319/management-strategies-for-noncardiac-surgery-following-a-coronary-artery-event
#2
REVIEW
Thomas F Whayne, Sibu P Saha
PURPOSE OF REVIEW: Coronary artery event includes acute coronary syndrome (ACS), percutaneous coronary intervention (PCI), and coronary artery bypass graft (CABG) surgery. Following such an event, risk of noncardiac surgery is increased. Of major concern is what can make this surgery safer? RECENT FINDINGS: High functional capacity improves cardiovascular (CV) risk; at least 4.0 metabolic equivalents (METs) on stress test are favorable. Risk scores can suggest need for further evaluation...
January 20, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29353272/optical-coherence-tomography-angiography-offers-new-insights-into-choriocapillaris-perfusion
#3
Jost L Lauermann, Nicole Eter, Florian Alten
The choriocapillaris (CC) represents a fundamentally important vascular layer that is subject to physiologic changes with increasing age and that is also associated with a wide range of chorioretinal diseases. So far, information on blood flow in this specific layer has remained limited. With the advent of optical coherence tomography angiography (OCTA), new perspectives and possibilities of CC imaging have begun to evolve. This article shall review the opportunities and challenges of applying OCTA technology to the CC layer and summarize the current clinical efforts in OCTA CC imaging exemplarily in dry age-related macular degeneration and central serous chorioretinopathy...
January 19, 2018: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/29353232/albuminuria-increases-the-risks-for-both-alzheimer-disease-and-vascular-dementia-in-community-dwelling-japanese-elderly-the-hisayama-study
#4
Keita Takae, Jun Hata, Tomoyuki Ohara, Daigo Yoshida, Mao Shibata, Naoko Mukai, Yoichiro Hirakawa, Hiro Kishimoto, Kazuhiko Tsuruya, Takanari Kitazono, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: Epidemiologic evidence has emerged to reveal an association of albuminuria and low estimated glomerular filtration rate (eGFR) with dementia, but the findings are inconsistent. In addition, there are limited studies addressing the association between albuminuria and Alzheimer disease (AD). METHODS AND RESULTS: A total of 1562 community-dwelling Japanese subjects aged ≥60 years without dementia were followed up for 10 years. The outcomes were incidence of all-cause dementia and its subtypes, namely, AD and vascular dementia (VaD)...
January 20, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29353219/blocking-mitochondrial-cyclophilin-d-ameliorates-tsh-impaired-defensive-barrier-of-artery
#5
Xiaojing Liu, Heng Du, Qiang Chai, Qing Jia, Lu Liu, Meng Zhao, Jun Li, Hui Tang, Wenbin Chen, Lifang Zhao, Li Fang, Ling Gao, Jiajun Zhao
AIMS: Endothelial cells (ECs) constitute the defensive barrier of vasculature, which maintains the vascular homeostasis. Mitochondrial oxidative stress (mitoOS) in ECs significantly affects the initiation and progression of vascular diseases. The higher serum thyroid stimulating hormone (TSH) level is being recognized as a nonconventional risk factor responsible for the increased risk of cardiovascular diseases in subclinical hypothyroidism (SCH). However, effects and underlying mechanisms of elevated TSH on ECs are still ambiguous...
January 9, 2018: Redox Biology
https://www.readbyqxmd.com/read/29352859/is-selective-5-ht1f-receptor-agonism-an-entity-apart-from-that-of-the-triptans-in-antimigraine-therapy
#6
REVIEW
Eloísa Rubio-Beltrán, Alejandro Labastida-Ramírez, Carlos M Villalón, Antoinette MaassenVanDenBrink
Migraine is a neurovascular disorder that involves activation of the trigeminovascular system and cranial vasodilation mediated by release of calcitonin gene-related peptide (CGRP). The gold standard for acute migraine treatment are the triptans, 5-HT1B/1D/(1F) receptor agonists. Their actions are thought to be mediated through activation of: (i) 5-HT1B receptors in cranial blood vessels with subsequent cranial vasoconstriction; (ii) prejunctional 5-HT1D receptors on trigeminal fibers that inhibit trigeminal CGRP release; and (iii) 5-HT1B/1D/1F receptors in central nervous system involved in (anti)nociceptive modulation...
January 17, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29352651/catheter-injected-bone-marrow-mesenchymal-stem-cells-induce-efficacious-occlusion-of-arteriovenous-nidus-in-a-swine-model
#7
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/29352441/utility-of-tumor-burden-score-to-stratify-prognosis-of-patients-with-hepatocellular-cancer-results-of-4759-cases-from-ita-li-ca-study-group
#8
Alessandro Vitale, Quirino Lai, Fabio Farinati, Laura Bucci, Edoardo G Giannini, Lucia Napoli, Francesca Ciccarese, Gian Lodovico Rapaccini, Maria Di Marco, Eugenio Caturelli, Marco Zoli, Franco Borzio, Rodolfo Sacco, Giuseppe Cabibbo, Roberto Virdone, Fabio Marra, Martina Felder, Filomena Morisco, Luisa Benvegnù, Antonio Gasbarrini, Gianluca Svegliati-Baroni, Francesco Giuseppe Foschi, Gabriele Missale, Alberto Masotto, Gerardo Nardone, Antonio Colecchia, Mauro Bernardi, Franco Trevisani, Timothy M Pawlik
BACKGROUND: Dichotomous models like Milan Criteria represent the routinely used tools for predicting the outcome of patients with hepatocellular carcinoma (HCC). However, a paradigm shift from a dichotomous to continuous prognostic stratification should represent a good strategy for improving the prediction process. Recently, the tumor burden score (TBS) has been proposed for selecting patients with colorectal liver metastases. To date, TBS has not been validated in a large HCC population...
January 19, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29352195/association-between-modified-cha2ds2-vasc-score-with-ankle-brachial-index%C3%A2-%C3%A2-0-9
#9
Po-Chao Hsu, Wen-Hsien Lee, Hsiang-Chun Lee, Wei-Chung Tsai, Chun-Yuan Chu, Ying-Chih Chen, Chee-Siong Lee, Tsung-Hsien Lin, Wen-Chol Voon, Sheng-Hsiung Sheu, Ho-Ming Su
The ankle-brachial index (ABI) is a reliable diagnostic examination for peripheral arterial occlusive disease (PAOD). We previously reported CHADS2 score was significantly correlated with PAOD. However, the association between CHA2DS2-VASc score and ABI < 0.9 is not evaluated in the literature. The aim of the present study was to investigate whether CHA2DS2-VASc score has a strong association with PAOD. We enrolled 1482 patients in this study. PAOD was defined as ABI < 0.9 in either leg. Vascular disease in CHA2DS2-VASc score was modified as vascular disease except PAOD...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352190/autophagy-promotes-msc-mediated-vascularization-in-cutaneous-wound-healing-via-regulation-of-vegf-secretion
#10
Y An, W J Liu, P Xue, Y Ma, L Q Zhang, B Zhu, M Qi, L Y Li, Y J Zhang, Q T Wang, Y Jin
Vascularization deficiency caused a lot of diseases, such as diabetes ulcer and myocardial infarction. Mesenchymal stem cells (MSCs), with the self-renewal and multipotent differentiation capacities, have been used for many diseases treatment through regulation microenvironment. Numerous studies reported that MSCs transplantation could largely improve cutaneous wound healing via paracrine secretion of growth factors. However, whether MSCs take part in the angiogenesis process directly remains elusive. Previous study proved that autophagy inhibited immunosuppressive function of MSCs and prevented the degradation of MSCs function in inflammatory and senescent microenvironment...
January 19, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29352150/identification-and-quantification-of-plasma-calciprotein-particles-with-distinct-physical-properties-in-patients-with-chronic-kidney-disease
#11
Yutaka Miura, Yoshitaka Iwazu, Kazuhiro Shiizaki, Tetsu Akimoto, Kazuhiko Kotani, Masahiko Kurabayashi, Hiroshi Kurosu, Makoto Kuro-O
Calciprotein particles (CPP) are solid-phase calcium-phosphate bound to serum protein fetuin-A and dispersed as colloids in the blood. Recent clinical studies indicated that serum CPP levels were increased with decline of renal function and associated with inflammation and vascular calcification. However, CPP assays used in these studies measured only a part of CPP over a certain particle size and density. Here we show that such CPP are mostly artifacts generated during processing of serum samples in vitro...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351959/diagnosis-and-significance-of-pulmonary-microvascular-disease-in-diabetes
#12
Timothy J Roberts, Andrew T Burns, Richard J MacIsaac, Andrew I MacIsaac, David L Prior, André La Gerche
OBJECTIVE: To determine whether pulmonary microvascular disease is detectable in subjects with diabetes and associated with diminished exercise capacity using a novel echocardiographic marker quantifying the pulmonary transit of agitated contrast bubbles (PTAC). RESEARCH DESIGN AND METHODS: Sixty participants (40 with diabetes and 20 control subjects) performed cardiopulmonary (maximal oxygen consumption [VO2peak]) and semisupine bicycle echocardiography exercise tests within a 1-week period...
January 19, 2018: Diabetes Care
https://www.readbyqxmd.com/read/29351872/low-cortical-iron-and-high-entorhinal-cortex-volume-promote-cognitive-functioning-in-the-oldest-old
#13
Jiri M G van Bergen, Xu Li, Frances C Quevenco, Anton F Gietl, Valerie Treyer, Sandra E Leh, Rafael Meyer, Alfred Buck, Philipp A Kaufmann, Roger M Nitsch, Peter C M van Zijl, Christoph Hock, Paul G Unschuld
The aging brain is characterized by an increased presence of neurodegenerative and vascular pathologies. However, there is substantial variation regarding the relationship between an individual's pathological burden and resulting cognitive impairment. To identify correlates of preserved cognitive functioning at highest age, the relationship between β-amyloid plaque load, presence of small vessel cerebrovascular disease (SVCD), iron-burden, and brain atrophy was investigated. Eighty cognitively unimpaired participants (44 oldest-old, aged 85-96 years; 36 younger-old, aged 55-80 years) were scanned by integrated positron emission tomography-magnetic resonance imaging for assessing beta regional amyloid plaque load (18F-flutemetamol), white matter hyperintensities as an indicator of SVCD (fluid-attenuated inversion recovery-magnetic resonance imaging), and iron load (quantitative susceptibility mapping)...
December 20, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29351682/radial-artery-fascial-flow-through-free-flap-for-combined-revascularization-in-moyamoya-disease
#14
Jonathan Russin, Joseph Carey
BACKGROUND: Free flaps are commonly used by other surgical subspecialties for soft tissue reconstruction and revascularization. Cranial applications of these flaps have been limited to only a single case report. OBJECTIVE: To present a new technique for combined revascularization in moyamoya disease using a flow-through free flap. METHODS: Data were obtained from an Institutional Review Board-approved, prospectively maintained database with informed consent from the patient...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29351626/neuroendovascular-fellowship-training-self-assessment-of-a-program-accredited-by-the-committee-on-advanced-subspecialty-training
#15
Hakeem J Shakir, Hussain Shallwani, Leonardo Rangel-Castilla, Amade Bregy, Jason M Davies, Ashish Sonig, Christopher S Ogilvy, Kenneth V Snyder, L Nelson Hopkins, Adnan H Siddiqui, Elad I Levy
The University at Buffalo's neuroendovascular fellowship is one of the longest running fellowship programs in North America. The burgeoning neurointerventional workforce and the rapid growth in the neurointerventional space on the heels of groundbreaking clinical trials prompted us to assess the fellowship's academic impact and its graduates' perceptions and productivity. An anonymized web-based survey was sent to all former neuroendovascular fellows with specific questions pertaining to current practice, research and funding, and perceptions about the fellowship's impact on their skills, competitiveness, and compensation...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351577/effects-of-excess-thromboxane-a2-on-placental-development-and-nutrient-transporters-in-a-mus-musculus-model-of-fetal-growth-restriction
#16
Karen J Gibbins, Katherine N Gibson-Corley, Ashley S Brown, Matthew Wieben, Richard C Law, Camille M Fung
Hypertensive disease of pregnancy (HDP) with placental insufficiency is the most common cause of fetal growth restriction (FGR) in the developed world. Despite the known negative consequences of HDP both to the mother and fetus, little is known about the longitudinal placental changes that occur as HDP progresses in pregnancy. This is because longitudinal sampling of human placentae during each gestation is impossible. Therefore, using a mouse model of thromboxane A2-analog infusion to mimic human HDP in the last trimester, we calculated placental efficiencies based on fetal and placental weights, quantified spongiotrophoblast and labyrinth thicknesses and vascular density within these layers, examined whether hypoxia signaling pathway involving vascular endothelial growth factor A (VEGFA) and its receptors (VEGFR1, VEGFR2) and matrix metalloproteinases (MMPs) contributed to vascular change, and examined nutrient transporter abundance including glucose transporters 1 and 3 (GLUT1, GLUT3), neutral amino acid transporters 1, 2, and 4 (SNAT1, SNAT2, and SNAT4), fatty acid transporters 2 and 4 (FATP2, FATP4) and fatty acid translocase (CD36) from embryonic day 15...
January 17, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29351482/suppression-of-gut-dysbiosis-reverses-western-diet-induced-vascular-dysfunction
#17
Micah L Battson, Dustin M Lee, Dillon K Jarrell, Shuofei Hou, Kayl E Ecton, Tiffany L Weir, Christopher L Gentile
OBJECTIVE: Vascular dysfunction represents a critical pre-clinical step in the development of cardiovascular disease. We examined the role of the gut microbiota in the development of obesity-related vascular dysfunction. Approach and Results. Male C57BL/6J mice were fed either a standard diet (SD) (n=12) or western diet (WD) (n=24) for 5m, after which time, WD mice were randomized to receive either un-supplemented drinking water or water containing a broad-spectrum antibiotic cocktail (WD+Abx) (n=12/group) for 2m...
December 26, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351469/inhibition-of-mtor-protects-the-blood-brain-barrier-in-models-of-alzheimer-s-disease-and-vascular-cognitive-impairment
#18
Candice E Van Skike, Jordan B Jahrling, Angela B Olson, Naomi L Sayre, Stacy A Hussong, Zoltan I Ungvari, James D Lechleiter, Veronica Galvan
An intact blood-brain barrier (BBB) limits entry of pro-inflammatory and neurotoxic blood-derived factors into the brain parenchyma. The BBB is damaged in Alzheimer's disease (AD), which contributes significantly to the progression of AD pathologies and cognitive decline. However, the mechanisms underlying BBB breakdown in AD remain elusive and no interventions are available for treatment or prevention. We and others recently established that inhibition of the mammalian/mechanistic target of rapamycin (mTOR) pathway with rapamycin yields significant neuroprotective effects, improving cerebrovascular and cognitive function in mouse models of AD...
December 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351464/vitamin-d-and-regulation-of-vascular-cell-function
#19
Nasim Jamali, Christine M Sorenson, Nader Sheibani
Vitamin D deficiency is linked to pathogenesis of many diseases including cardiovascular, cancer, and various eye diseases. In recent years, important roles for vitamin D in regulation of immune function, inflammation, angiogenesis, and aging have been demonstrated. Thus, vitamin D and its analogs have been evaluated for treatment of various types of cancer and chronic diseases. We previously showed that the active form of vitamin D (1, 25(OH)2D3) is a potent inhibitor of angiogenesis. This activity is consistent with the important role proposed for vitamin D and its analogs in the mitigation of tumor growth through inhibition of angiogenesis...
December 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351461/exercise-training-induces-enos-coupling-and-restores-relaxation-in-coronary-arteries-of-heart-failure-rats
#20
Gisele Kruger Couto, Suliana Mesquita Paula, Igor L Gomes-Santos, Carlos Eduardo Negrão, Luciana Venturini Rossoni
Exercise training (ET) has emerged as a non-pharmacological therapy for cardiovascular diseases because of its helpful milieu for improving vascular function. The aim of the present study was to assess whether ET reverses the alterations in vascular reactivity observed in heart failure (HF)-related coronary arteries and to elucidate the molecular mechanisms involved in these adjustments. Male Wistar rats were subjected to either coronary artery ligation or sham operation (SO). Four weeks after the surgery, the rats were divided into two groups: untrained HF (UHF) and exercise-trained HF (THF)...
January 5, 2018: American Journal of Physiology. Heart and Circulatory Physiology
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