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Cerebrovascular diseases

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https://www.readbyqxmd.com/read/29166463/physicians-are-not-well-informed-about-the-new-guidelines-for-the-treatment-of-acute-stroke
#1
Luana Antunes Maranha Gatto, Gelson Luis Koppe, Zeferino Demartini, Viviane de Hiroki Flumignan Zétola
OBJECTIVE: Treatment of cerebrovascular disease has advanced rapidly in the last two decades. Recent data has added challenges to the treatment of ischemic stroke in the acute phase. OBJECTIVE: To evaluate the knowledge of physicians about the treatment of ischemic stroke in the acute phase. METHODS: An online questionnaire was submitted to all physicians enrolled in the Regional Council of Medicine in Brazil. RESULTS: 456 physicians from different specialties answered the questions...
October 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/29164926/serum-uric-acid-level-predicts-adverse-outcomes-after-myocardial-revascularization-or-cardiac-valve-surgery
#2
Davide Lazzeroni, Matteo Bini, Umberto Camaiora, Paolo Castiglioni, Luca Moderato, Davide Bosi, Simone Geroldi, Pietro T Ugolotti, Lorenzo Brambilla, Valerio Brambilla, Paolo Coruzzi
Background High levels of serum uric acid have been associated with adverse outcomes in cardiovascular diseases such as myocardial infarction and heart failure. The aim of the current study was to evaluate the prognostic role of serum uric acid levels in patients undergoing cardiac rehabilitation after myocardial revascularization and/or cardiac valve surgery. Design We performed an observational prospective cohort study. Methods The study included 1440 patients with available serum uric acid levels, prospectively followed for 50 ± 17 months...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29164774/task-related-changes-in-degree-centrality-and-local-coherence-of-the-posterior-cingulate-cortex-after-major-cardiac-surgery-in-older-adults
#3
Jeffrey N Browndyke, Miles Berger, Patrick J Smith, Todd B Harshbarger, Zachary A Monge, Viral Panchal, Tiffany L Bisanar, Donald D Glower, John H Alexander, Roberto Cabeza, Kathleen Welsh-Bohmer, Mark F Newman, Joseph P Mathew
OBJECTIVES: Older adults often display postoperative cognitive decline (POCD) after surgery, yet it is unclear to what extent functional connectivity (FC) alterations may underlie these deficits. We examined for postoperative voxel-wise FC changes in response to increased working memory load demands in cardiac surgery patients and nonsurgical controls. EXPERIMENTAL DESIGN: Older cardiac surgery patients (n = 25) completed a verbal N-back working memory task during MRI scanning and cognitive testing before and 6 weeks after surgery; nonsurgical controls with cardiac disease (n = 26) underwent these assessments at identical time intervals...
November 21, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29164152/foot-complications-in-a-representative-australian-inpatient-population
#4
Peter A Lazzarini, Sheree E Hurn, Suzanne S Kuys, Maarten C Kamp, Vanessa Ng, Courtney Thomas, Scott Jen, Jude Wills, Ewan M Kinnear, Michael C d'Emden, Lloyd F Reed
We investigated the prevalence and factors independently associated with foot complications in a representative inpatient population (adults admitted for any reason with and without diabetes). We analysed data from the Foot disease in inpatients study, a sample of 733 representative inpatients. Previous amputation, previous foot ulceration, peripheral arterial disease (PAD), peripheral neuropathy (PN), and foot deformity were the foot complications assessed. Sociodemographic, medical, and foot treatment history were collected...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29163755/uncoupling-protein-2-a-key-player-and-a-potential-therapeutic-target-in-vascular-diseases
#5
REVIEW
Giorgia Pierelli, Rosita Stanzione, Maurizio Forte, Serena Migliarino, Marika Perelli, Massimo Volpe, Speranza Rubattu
Uncoupling protein 2 (UCP2) is an inner mitochondrial membrane protein that belongs to the uncoupling protein family and plays an important role in lowering mitochondrial membrane potential and dissipating metabolic energy with prevention of oxidative stress accumulation. In the present article, we will review the evidence that UCP2, as a consequence of its roles within the mitochondria, represents a critical player in the predisposition to vascular disease development in both animal models and in humans, particularly in relation to obesity, diabetes, and hypertension...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29163742/endovascular-treatment-of-spontaneous-intracranial-internal-carotid-dissection-in-a-young-patient-affected-by-systemic-lupus-erythematosus-a-case-report
#6
Sergio Racchiusa, Marcello Longo, Gianmarco Bernava, Antonio Pitrone, Rosario Papa, Francesca Granata, Giuseppe Centorrino, Sergio Lucio Vinci
Systemic lupus erythematosus (SLE) increases the risk of cerebrovascular events due to vascular changes, resulting in the weakening of the vessel walls. Moreover, patients with SLE have more incidence of arterial lesions such as dissections. Internal carotid dissection (ICA) is an infrequent cause of ischemic stroke, representing 2% of all ischemic events. We present a case of ischemic stroke, caused by a spontaneous dissection of intracranial ICA, treated with endovascular stent implantation, in a 22-year-old woman affected by SLE, newly diagnosed...
October 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/29163161/inhibition-of-mir-128-3p-by-tongxinluo-protects-human-cardiomyocytes-from-ischemia-reperfusion-injury-via-upregulation-of-p70s6k1-p-p70s6k1
#7
Gui-Hao Chen, Chuan-Sheng Xu, Jie Zhang, Qing Li, He-He Cui, Xiang-Dong Li, Li-Ping Chang, Rui-Jie Tang, Jun-Yan Xu, Xia-Qiu Tian, Pei-Sen Huang, Jun Xu, Chen Jin, Yue-Jin Yang
Background and Aims: Tongxinluo (TXL) is a multifunctional traditional Chinese medicine that has been widely used to treat cardiovascular and cerebrovascular diseases. However, no studies have explored whether TXL can protect human cardiomyocytes (HCMs) from ischemia/reperfusion (I/R) injury. Reperfusion Injury Salvage Kinase (RISK) pathway activation was previously demonstrated to protect the hearts against I/R injury and it is generally activated via Akt or (and) Erk 1/2, and their common downstream protein, ribosomal protein S6 kinase (p70s6k)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29160458/health-related-quality-of-life-of-patients-of-brazilian-primary-health-care
#8
Bruna de Oliveira Ascef, João Paulo Amaral Haddad, Juliana Álvares, Augusto Afonso Guerra, Ediná Alves Costa, Francisco de Assis Acurcio, Ione Aquemi Guibu, Karen Sarmento Costa, Margô Gomes de Oliveira Karnikowski, Orlando Mario Soeiro, Silvana Nair Leite, Micheline Rosa Silveira
OBJECTIVE: To analyze the Health-Related Quality of Life (HRQoL) of patients of the primary health care of the Brazilian Unified Health System (SUS) and its associated factors. METHODS: This is a cross-sectional study with data from the Pesquisa Nacional sobre Acesso, Utilização e Promoção do Uso Racional de Medicamentos - Serviços, 2015 (PNAUM - National Survey on Access, Use and Promotion of Rational Use of Medicines - Services, 2015). Data were collected with a questionnaire that included the EuroQol 5 Dimensions (EQ-5D) instrument...
November 13, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/29158247/predictive-values-of-referrals-for-transient-ischaemic-attack-from-first-contact-health-care-a-systematic-review
#9
Rebecca Kandiyali, Daniel S Lasserson, Penny Whiting, Alison Richards, Jonathan Mant
BACKGROUND: Over 150 000 cases of suspected transient ischaemic attack (TIA) are referred to outpatient clinics in England each year. The majority of referrals are made by GPs. AIM: This study aimed to identify how many patients referred to a TIA clinic actually have TIA (that is, calculate the positive predictive value [PPV] of first-contact healthcare referral) and to record the alternative diagnoses in patients without TIA, in order to determine the optimal service model for patients with suspected TIA...
November 20, 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/29158187/white-matter-structural-integrity-and-trans-cranial-doppler-blood-flow-pulsatility-in-normal-aging
#10
Roman Fleysher, Michael L Lipton, Olga Noskin, Tatjana Rundek, Richard Lipton, Carol A Derby
Cerebrovascular diseases underlie many forms of age-related cognitive impairment and the mechanism linking the two is hypothesized to involve adverse changes in white matter (WM) integrity. Despite being systemic, small vessel disease does not uniformly affect WM. We performed voxel-wise analysis of MRI images to examine the association between fractional anisotropy (FA) - a diffusion tensor measure of WM structural integrity - and pulsatility index (PI) - a transcranial Doppler ultrasound measure of abnormal arterial flow - in adults over the age of 70 years who were free of stroke and dementia...
November 17, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29158049/down-regulation-of-pro-inflammatory-pathways-by-tanshinone-iia-and-cryptotanshinone-in-a-non-genetic-mouse-model-of-alzheimer-s-disease
#11
Francesco Maione, Marialuisa Piccolo, Simona De Vita, Maria Giovanna Chini, Claudia Cristiano, Carmen De Caro, Pellegrino Lippiello, Maria Concetta Miniaci, Rita Santamaria, Carlo Irace, Vincenzo De Feo, Antonio Calignano, Nicola Mascolo, Giuseppe Bifulco
Alzheimer's disease (AD) is a common form of dementia mainly characterized by the deposition of neurofibrillary tangles and β-amyloid (Aβ) peptides in the brain. Additionally, increasing evidence demonstrates that a neuro-inflammatory state plays a key role in the development of this disease. Beside synthetic drugs, the use of natural compounds represents an alternative for the development of new potential drugs for the treatment of AD. Among these, the root of Salvia miltiorhiza Bunge (also known as Danshen) used for the treatment of cardiovascular, cerebrovascular disease and CNS functional decline in Chinese traditional medicine is one of the most representative examples...
November 17, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29158011/extended-adjuvant-intermittent-letrozole-versus-continuous-letrozole-in-postmenopausal-women-with-breast-cancer-sole-a-multicentre-open-label-randomised-phase-3-trial
#12
Marco Colleoni, Weixiu Luo, Per Karlsson, Jacquie Chirgwin, Stefan Aebi, Guy Jerusalem, Patrick Neven, Erika Hitre, Marie-Pascale Graas, Edda Simoncini, Claus Kamby, Alastair Thompson, Sibylle Loibl, Joaquín Gavilá, Katsumasa Kuroi, Christian Marth, Bettina Müller, Seamus O'Reilly, Vincenzo Di Lauro, Andrea Gombos, Thomas Ruhstaller, Harold Burstein, Karin Ribi, Jürg Bernhard, Giuseppe Viale, Rudolf Maibach, Manuela Rabaglio-Poretti, Richard D Gelber, Alan S Coates, Angelo Di Leo, Meredith M Regan, Aron Goldhirsch
BACKGROUND: In animal models of breast cancer, resistance to continuous use of letrozole can be reversed by withdrawal and reintroduction of letrozole. We therefore hypothesised that extended intermittent use of adjuvant letrozole would improve breast cancer outcome compared with continuous use of letrozole in postmenopausal women. METHODS: We did the multicentre, open-label, randomised, parallel, phase 3 SOLE trial in 240 centres (academic, primary, secondary, and tertiary care centres) in 22 countries...
November 17, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29157979/artificial-apolipoprotein-corona-enables-nanoparticle-brain-targeting
#13
Roberta Dal Magro, Barbara Albertini, Silvia Beretta, Roberta Rigolio, Elisabetta Donzelli, Alessia Chiorazzi, Maurizio Ricci, Paolo Blasi, Giulio Sancini
Many potential therapeutic compounds for brain diseases fail to reach their molecular targets due to the impermeability of the blood-brain barrier, limiting their clinical development. Nanotechnology-based approaches might improve compounds pharmacokinetics by enhancing binding to the cerebrovascular endothelium and translocation into the brain. Adsorption of apolipoprotein E4 onto polysorbate(®) 80-stabilized nanoparticles to produce a protein corona allows the specific targeting of cerebrovascular endothelium...
November 17, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29156621/influence-of-shenxiong-glucose-injection-on-the-activities-of-six-cyp-isozymes-and-metabolism-of-warfarin-in-rats-assessed-using-probe-cocktail-and-pharmacokinetic-approaches
#14
Jia Sun, Yuan Lu, Yueting Li, Jie Pan, Chunhua Liu, Zipeng Gong, Jing Huang, Jiang Zheng, Lin Zheng, Yongjun Li, Ting Liu, Yonglin Wang
Shenxiong glucose injection (SGI), a traditional Chinese medicine (TCM) preparation, has been widely used for the treatment of various cardiovascular and cerebrovascular diseases for many years. We assessed the potential influences of SGI on the activities of six CYP enzymes (CYP1A2, CYP2C11, CYP2C19, CYP2D4, CYP2E1, and CYP3A2) and on the pharmacokinetics of warfarin in rats. We compared plasma pharmacokinetics of six probe drugs (caffeine/CYP1A2, tolbutamide/CYP2C11, omeprazole/CYP2C19, metoprolol/CYP2D4, chlorzoxazone/CYP2E1, and midazolam/CYP3A2) and of warfarin between control and SGI-pretreated groups, to estimate the effect on the relative activities of the six isozymes and warfarin metabolism...
November 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29154389/latent-autoimmune-diabetes-and-limbic-encephalitis-with-antibodies-against-glutamic-acid-decarboxylase
#15
Stoyan Popkirov, Seena Sebastian, Fatme Seval Ismail, Jörg Wellmer
Antibodies against glutamic acid decarboxylase (GAD) are a hallmark of type 1 diabetes and its late-onset variant, latent autoimmune diabetes of the adult (LADA).(1) While cerebrovascular disease and dementia are common causes of cognitive dysfunction and neurological deficits in diabetic patients,(2,3) rare autoimmune disorders of the central nervous system such as stiff-person syndrom or limbic encephalits can also occur on the basis of shared GAD autoimmunity.(4,5).
November 20, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/29153658/neurological-function-in-children-born-to-preeclamptic-and-hypertensive-mothers-a-systematic-review
#16
REVIEW
Ernesto A Figueiró-Filho, Lauren E Mak, James N Reynolds, Patrick W Stroman, Graeme N Smith, Nils D Forkert, Angelina Paolozza, Matthew T Rätsep, B Anne Croy
BACKGROUND: Offspring whose mothers developed preeclampsia (PE-F1s) show developmental effects that are now being identified, such as cognitive, behavioural, and mood differences compared to offspring from non-complicated pregnancies. We hypothesize that the progressive angiokine dysregulation associated with development of preeclampsia (PE) reflects gene dysregulation in pre-implantation conceptuses, and manifests in all developing fetal tissues rather than exclusively to the placenta...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29152647/cryptotanshinone-exhibits-therapeutical-effects-on-cerebral-stroke-through-the-pi3k-akt%C3%A2-enos-signaling-pathway
#17
Weixin Zhu, Weihong Qiu, Ailan Lu
Cerebral stroke is a kind of acute cerebrovascular disease with high incidence, morbidity and disability. Treatments against various types of cerebral stroke are limited at preventive measurements due to the lack of effective therapeutic method. The present study aimed to investigate the protective effect of cryptotanshinone (CPT) on cerebral stroke, and investigate the possible mechanism involved in order to develop a novel therapy against stoke. The phosphoinositide 3‑kinase membrane translocation of cerebral stroke rats pretreated with CPT at various concentrations were measured, as well as the phosphorylation of protein kinase B (AKT) and endothelial nitric oxide synthase (eNOS)...
October 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29152223/stage-1-registered-report-effect-of-deficient-phagocytosis-on-neuronal-survival-and-neurological-outcome-after-temporary-middle-cerebral-artery-occlusion-tmcao
#18
Julius V Emmrich, Jonas J Neher, Philipp Boehm-Sturm, Matthias Endres, Ulrich Dirnagl, Christoph Harms
Stroke is a major cause of death and disability worldwide. In addition to neuronal death resulting directly from energy depletion due to lack of blood supply, inflammation and microglial activation following ischemic brain injury has been increasingly recognized to be a key contributor to the pathophysiology of cerebrovascular disease. However, our understanding of the cross talk between the ischemic brain and the immune system is limited. Recently, we demonstrated that following focal ischemia, death of mature viable neurons can be executed through phagocytosis by microglial cells or recruited macrophages, i...
2017: F1000Research
https://www.readbyqxmd.com/read/29152213/the-role-of-nitric-oxide-in-stroke
#19
REVIEW
Zhou-Qing Chen, Ru-Tao Mou, Dong-Xia Feng, Zhong Wang, Gang Chen
Stroke is considered to be an acute cerebrovascular disease, including ischemic stroke and hemorrhagic stroke. The high incidence and poor prognosis of stroke suggest that it is a highly disabling and highly lethal disease which can pose a serious threat to human health. Nitric oxide (NO), a common gas in nature, which is often thought as a toxic gas, because of its intimate relationship with the pathological processes of many diseases, especially in the regulation of blood flow and cell inflammation. However, recent years have witnessed an increased interest that NO plays a significant and positive role in stroke as an essential gas signal molecule...
July 2017: Medical Gas Research
https://www.readbyqxmd.com/read/29151545/-novel-perfusion-evaluation-method-using-phase-ratio-image-map-in-head-4d-ct
#20
Tomomi Ohmura, Yongbum Lee, Noriyuki Takahashi, Hideto Toyoshima
PURPOSE: CT perfusion (CTP) is a powerful tool for the assessment of cerebrovascular disease. However, CTP maps are significantly different depending on CTP software and algorithm, even when using identical image data. We developed a phase-ratio image map (PI map), which was a novel perfusion map, without using CTP software. The purpose of this study was to investigate the usefulness of the PI map by comparing it with a positron emission tomography (PET) image. METHODS: Twenty patients (16 men, 4 women; mean age: 61...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
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