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https://www.readbyqxmd.com/read/27936470/ocular-delivery-of-pacap1-27-protects-the-retina-from-ischemic-damage-in-rodents
#1
Dora Werling, Dora Reglodi, William A Banks, Therese S Salameh, Krisztina Kovacs, Timea Kvarik, Alexandra Vaczy, Laszlo Kovacs, Flora Mayer, Bese Danyadi, Emese Lokos, Andrea Tamas, Gabor Toth, Zsolt Biro, Tamas Atlasz
Purpose: Pituitary adenylate cyclase activating polypeptide (PACAP) is neuroprotective in neuronal injuries. Bilateral common carotid artery occlusion (BCCAO) causes chronic hypoperfusion-induced degeneration in the rat retina, where we proved the retinoprotective effect of intravitreal PACAP. Although this route of administration is a common clinical practice in several diseases, easier routes are clinically important. Our aim was to investigate the potential retinoprotective effects of PACAP eye drops in BCCAO-induced ischemic retinopathy...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27936465/meta-analysis-of-transcatheter-arterial-chemoembolization-plus-radiofrequency-ablation-versus-transcatheter-arterial-chemoembolization-alone-for-hepatocellular-carcinoma
#2
De-Jun Yang, Kun-Lun Luo, Hong Liu, Bing Cai, Guo-Qing Tao, Xiao-Fang Su, Xiao-Juan Hou, Fei Ye, Xiang-Yong Li, Zhi-Qiang Tian
This meta-analysis was conducted to compare transcatheter arterial chemoembolization (TACE) plus radiofrequency ablation (RFA) with TACE alone for hepatocellular carcinoma. We searched MEDLINE, EMBASE and CENTRAL for all relative randomized controlled trials (RCTs) and retrospective studies until October 31 2016. Tumor response, recurrence-free survival, overall survival and postoperative complications were the major evaluation indices. Review Manager (version 5.3) was used to analyze the data. Dichotomous data was calculated by odds ratio (OR) with 95% confidence intervals (CI)...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27936431/description-of-the-anterior-cerebral-artery-and-its-cortical-branches-variation-in-presence-origin-and-size
#3
K Cilliers, B J Page
OBJECTIVE: Certain aspects of the anterior cerebral artery (ACA) cortical branches tend to vary, including absent or additional arteries, variation in origin, and changes to diameter and length. Knowledge of these factors can be crucial in aneurysm and arteriovenous malformation surgery. Few studies report on these aspects and a South African study have not been completed. Therefore, the aim of this study is to report absent or additional arteries, the origin, diameter and length of ACA cortical branches in a Western Cape population...
December 2, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27936421/catheter-directed-endovascular-application-of-thrombin-report-of-3-cases-and-review-of-the-literature
#4
Majid Maybody, David C Madoff, Raymond H Thornton, Steven A Morales, Chaya S Moskowitz, Meier Hsu, Lynn A Brody, Karen T Brown, Anne M Covey
PURPOSE: To report 3 new cases of catheter-directed endovascular application of thrombin and explore trends by analysis of published case series. MATERIALS AND METHODS: Institutional Review Board approved this retrospective study. All cases of non-tumoral arterial embolization performed from January 2003 to January 2015 at our institution were retrospectively reviewed. Thrombin was used in 7 of 589 cases. In 3 cases intra arterial thrombin was injected via catheter to treat active hemorrhage...
November 29, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27936390/irap-inhibition-using-hfi419-prevents-moderate-to-severe-acetylcholine-mediated-vasoconstriction-in-a-rabbit-model
#5
Aisha El-Hawli, Tawar Qaradakhi, Alan Hayes, Emma Rybalka, Renee Smith, Martin Caprnda, Radka Opatrilova, Katarina Gazdikova, Maria Benckova, Peter Kruzliak, Anthony Zulli
Coronary artery vasospasm (constriction) caused by reduced nitric oxide bioavailability leads to myocardial infarction. Reduced endothelial release of nitric oxide by the neurotransmitter acetylcholine, leads to paradoxical vasoconstriction as it binds to smooth muscle cell M3 receptors. Thus, inhibition of coronary artery vasospasm will improve clinical outcomes. Inhibition of insulin regulated aminopeptidase has been shown to improve vessel function, thus we tested the hypothesis that HFI419, an inhibitor of insulin regulated aminopeptidase, could reduce blood vessel constriction to acetylcholine...
December 6, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27936341/single-nucleotide-polymorphism-of-adiponectin-276-g-t-is-associated-with-the-susceptibility-to-essential-hypertension-in-a-turkish-population
#6
Ayşe Kevser Demir, Süheyla Uzun Kaya, Şafak Şahin, İsmail Benli, İlknur Bütün, Ertuğrul Erken, Turker Tasliyurt
BACKGROUND: It is well known that arterial stiffness is associated with hypertension. Recent studies have shown that adiponectin +276 G/T, ACE I/D, AGTR1 A1166C, and eNOS E298D polymorphisms are likely to be risk factors for arterial stiffness. In this study, we aimed to investigate possible associations between these single-nucleotide polymorphisms (SNPs) and essential hypertension in a Turkish population. METHODS: The study population consisted of 170 patients who were diagnosed with essential hypertension and 170 sex- and age-matched controls...
December 9, 2016: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/27936339/evaluation-of-a-short-home-blood-pressure-measurement-in-an-outpatient-population-of-hypertensives
#7
Silvia Di Monaco, Franco Rabbia, Michele Covella, Chiara Fulcheri, Elena Berra, Marco Pappaccogli, Elisa Perlo, Chiara Bertello, Franco Veglio
Current guidelines suggest the use of home blood pressure monitoring (HBPM) as a method complementary to ambulatory blood pressure monitoring (ABPM) for the identification of arterial hypertension. A cross-sectional study was conducted to evaluate the accuracy of a short HBPM schedule compared with ABPM, and to evaluate to what extent HBPM can replace ABPM. A total of 310 patients who performed ABPM in our hypertension clinic were enrolled between November 2011 and June 2015. They performed a 4-day HBPM schedule, with two readings in the morning and two readings at night...
December 9, 2016: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/27936229/endothelial-mesenchymal-transition-in-vascular-calcification-of-ins2akita-mice
#8
Pierre J Guihard, Jiayi Yao, Ana M Blazquez-Medela, Luisa Iruela-Arispe, Kristina I Boström, Yucheng Yao
Endothelial-mesenchymal transition (EndMT) drives endothelium to contribute to normal development and disease processes. Here, we report that EndMTs occur in the diabetic endothelium of Ins2Akita/wt mouse, and show that induction of sex determining region Y-box 2 (Sox2) is a mediator of excess BMP signaling that results in activation of EndMTs and increased vascular calcification. We also find an induction of a complex of serine proteases in the diabetic endothelium, required for the up-regulation of Sox2. Our results suggest that EndMTs contribute to vascular calcification in diabetic arteries...
2016: PloS One
https://www.readbyqxmd.com/read/27936197/vascular-tone-regulation-induced-by-c-type-natriuretic-peptide-differences-in-endothelium-dependent-and-independent-mechanisms-involved-in-normotensive-and-spontaneously-hypertensive-rats
#9
Carolina Caniffi, Flavia M Cerniello, María N Gobetto, María L Sueiro, María A Costa, Cristina Arranz
Given that the role of C-type natriuretic peptide (CNP) in the regulation of vascular tone in hypertensive states is unclear, we hypothesized that impaired response of the nitric oxide system to CNP in spontaneously hypertensive rats (SHR) could affect vascular relaxation induced by the peptide in this model of hypertension, and that other endothelial systems or potassium channels opening could also be involved. We examined the effect of CNP on isolated SHR aortas, and the hindlimb vascular resistance (HVR) in response to CNP administration compared to normotensive rats...
2016: PloS One
https://www.readbyqxmd.com/read/27936195/plaque-characteristics-in-coronary-artery-disease-patients-with-impaired-glucose-tolerance
#10
Keishi Suzuki, Hitoshi Takano, Yoshiaki Kubota, Keisuke Inui, Shunichi Nakamura, Yukichi Tokita, Koji Kato, Kuniya Asai, Wataru Shimizu
BACKGROUND: Impaired glucose tolerance (IGT) patients are known to have a high risk of cardiovascular events and their prognosis has been reported to be poor. The present study aimed to compare coronary plaque characteristics among coronary artery disease (CAD) patients with normal glucose tolerance (NGT), those with IGT, and those with diabetes mellitus (DM) by using optical coherence tomography (OCT). METHODS: The present study included 101 coronary artery disease patients (mean age, 67...
2016: PloS One
https://www.readbyqxmd.com/read/27936187/stroke-as-the-first-manifestation-of-atrial-fibrillation
#11
Jussi Jaakkola, Pirjo Mustonen, Tuomas Kiviniemi, Juha E K Hartikainen, Antti Palomäki, Päivi Hartikainen, Ilpo Nuotio, Antti Ylitalo, K E Juhani Airaksinen
Atrial fibrillation may remain undiagnosed until an ischemic stroke occurs. In this retrospective cohort study we assessed the prevalence of ischemic stroke or transient ischemic attack as the first manifestation of atrial fibrillation in 3,623 patients treated for their first ever stroke or transient ischemic attack during 2003-2012. Two groups were formed: patients with a history of atrial fibrillation and patients with new atrial fibrillation diagnosed during hospitalization for stroke or transient ischemic attack...
2016: PloS One
https://www.readbyqxmd.com/read/27936125/automatic-coronary-artery-calcium-scoring-on-radiotherapy-planning-ct-scans-of-breast-cancer-patients-reproducibility-and-association-with-traditional-cardiovascular-risk-factors
#12
Sofie A M Gernaat, Ivana Išgum, Bob D de Vos, Richard A P Takx, Danny A Young-Afat, Noor Rijnberg, Diederick E Grobbee, Yolanda van der Graaf, Pim A de Jong, Tim Leiner, Desiree H J van den Bongard, Jean-Philippe Pignol, Helena M Verkooijen
OBJECTIVES: Coronary artery calcium (CAC) is a strong and independent predictor of cardiovascular disease (CVD) risk. This study assesses reproducibility of automatic CAC scoring on radiotherapy planning computed tomography (CT) scans of breast cancer patients, and examines its association with traditional cardiovascular risk factors. METHODS: This study included 561 breast cancer patients undergoing radiotherapy between 2013 and 2015. CAC was automatically scored with an algorithm using supervised pattern recognition, expressed as Agatston scores and categorized into five categories (0, 1-10, 11-100, 101-400, >400)...
2016: PloS One
https://www.readbyqxmd.com/read/27936072/delonix-regia-leaf-extract-drle-a-potential-therapeutic-agent-for-cardioprotection
#13
Lung-Shuo Wang, Chun-Ting Lee, Wei-Lieh Su, Shih-Che Huang, Shu-Chi Wang
Delonix regia (Boj. Ex. Hook) is a flowering plant in the pea family found in tropical areas and its leaves are used informally to treat diseases in folk medicine. However, the cardioprotective effects in this plant are still unclear. In this study, we found that the Delonix regia leaf extract (DRLE) (400 mg/kg/d) can reduce the mortality rate in an isoproterenol (ISO)-induced heart injury and hypertrophy mouse model. Decreased serum levels of creatine phosphokinase, LDH, GOT, TNF-alpha and increased nitric oxide levels were found in DRLE-treated ISO-injured mice...
2016: PloS One
https://www.readbyqxmd.com/read/27936014/inhibition-of-interleukin-6-receptor-in-a-murine-model-of-myocardial-ischemia-reperfusion
#14
Minke H T Hartman, Inge Vreeswijk-Baudoin, Hilde E Groot, Kees W A van de Kolk, Rudolf A de Boer, Irene Mateo Leach, Rozemarijn Vliegenthart, Herman H W Sillje, Pim van der Harst
BACKGROUND: Interleukin-6 (IL-6) levels are upregulated in myocardial infarction. Recent data suggest a causal role of the IL-6 receptor (IL-6R) in coronary heart disease. We evaluated if IL-6R blockade by a monoclonal antibody (MR16-1) prevents the heart from adverse left ventricular remodeling in a mouse model of ischemia-reperfusion (I/R). METHODS: CJ57/BL6 mice underwent I/R injury (left coronary artery ligation for 45 minutes) or sham surgery, and thereafter received MR16-1 (2mg/mouse) 5 minutes before reperfusion and 0...
2016: PloS One
https://www.readbyqxmd.com/read/27935930/acute-ischemic-stroke-and-acute-on-chronic-kidney-disease
#15
R A Aftab, A H Khan, H A AbdulRazzaq, A S Adnan
Ischemic stroke is due to either local thrombus formation or emboli that occlude a cerebral artery, together with chronic kidney disease represent major mortality and morbidity.Here we present a case of 53 years old Malay man, admitted to a hospital in Malaysia complaining of sudden on set of weakness on right sided upper and lower limb associated with slurred speech. Patient was also suffering from uncontrolled hypertension, hyperlipidemia, chronic kidney disease stage 4, and diabetes mellitus (uncontrolled)...
April 2016: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/27935900/-thromboangiitis-obliterans-buerger-s-disease-state-of-the-art
#16
D D Zerbino, E A Zimba, N N Bagry
Thromboangiitis obliterans (Buerger's disease) is systemic vasculitis with predominant development of thrombotic occlusions of small-to-medium diameter arteries of distal portions of both upper and lower limbs. A distinctive feature of Buerger's disease from other vasculitides is the involvement of the venous bed into the pathological process in the form of migrating thrombophlebitis. The disease is encountered more often in young adult males, predominantly tobacco smokers. The clinical pattern is presented by symptoms of increasing insufficiency of blood supply of tissues of extremities...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27935899/-algorithm-for-selection-of-individual-therapy-with-clopidogrel-in-vascular-surgical-practice
#17
A I Shevela, A A Slepukhina, E M Zelenskaya, T A Seredina, G I Lifshits
For treatment of patients with diseases of lower limb arteries and prevention of cardiovascular complications in high-risk patients (those with diabetes mellitus, arterial hypertension, dyslipidemia, obesity) permanent antiplatelet therapy is indicated. A problem is variable individual sensitivity to therapeutic agents. For antiplatelet therapy in patients with atherosclerosis of lower limb arteries there has been obtained an evidence-supported base concerning efficacy of long-term administration of clopidogrel preparations, unlike patients with acute coronary syndrome, for whom there has been accumulated an evidence-confirmed base of administering clopidogrel preparations, as well as ticagrelor and prasugrel in various clinical situations...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27935898/-conservative-treatment-of-patients-with-peripheral-artery-diseases-possibilities-and-existing-problems
#18
S V Sapelkin, M R Kuznetsov
With due regard to the requirements of evidence-based medicine, the article contains a review of present-day positions concerning conservative therapy in patients with peripheral artery diseases and chronic arterial ischaemia, represented in the latest Russian and foreign consensus documents, showing importance of bringing the basic provisions of the consensus documents to the notice of practical health-care providers with the aim of working out more effective therapeutic regimens. Some sections of the guidelines regarding the duration of treatment, among the number, require definite specification with the wording of more clear-cut practical conclusions...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27935897/-thrombosis-of-the-portal-upper-mesenteric-and-splenic-veins-in-a-patient-with-thrombophilia-a-clinical-case-report
#19
A E Shklyaev, I G Malakhova, A G Bessonov, I Yu Utkin
Currently there are several dozens of hereditarily associated thrombophilias and acquired states known to condition the development of a thrombus. Thrombosis of visceral veins appears to be a considerably less often encountered event than thrombosis in the system of visceral arteries. Presented herein in the article is a clinical case report concerning subacute thrombosis of the portal, upper mesenteric and splenic veins, having developed on the background of mutations of 7 genes of the system of haemostasis in a young adult patient...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27935895/-structural-alterations-of-a-biological-prosthesis
#20
N G Khorev, V O Kon'kova, A V Beller, E V Borovikov, Ya N Shoikhet
The authors studied dilatation of a biological prosthesis (a specially treated xenograft made of bovine arteries) used as a femoropopliteal bypass in patients presenting with diseases of peripheral arteries. Structural alterations (ectasia) were examined in a total of 15 patients within the terms varying from 1 year to 7 years after the operation, resulting in working out a methodology of calculating structural changes of the conduit with characteristics of the composite index of dilatation of the conduit. The presence of aneurysmatically dilated portions whose dimension exceeded the initial size of the xenograft 3-4-fold did not influence the long-term patency of the shunt with preserved blood flow approximated to the major one...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
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