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https://www.readbyqxmd.com/read/28545096/vascular-disease-in-copd-systemic-and-pulmonary-expression-of-parc-pulmonary-and-activation-regulated-chemokine
#1
Mariana Muñoz-Esquerre, Elisabet Aliagas, Marta López-Sánchez, Ignacio Escobar, Daniel Huertas, Rosa Penín, Jordi Dorca, Salud Santos
INTRODUCTION: The role of Pulmonary and Activation-Regulated Chemokine (PARC) in the physiopathology of Chronic Obstructive Pulmonary Disease (COPD) is not fully understood. The aim of the present study is to analyze the expression of PARC in lung tissue and its relationship with the vascular remodeling of the systemic and pulmonary arteries of COPD subjects. METHODS: To achieve this objective, protein and gene expression experiments, together with ELISA assays, were performed on the lung tissue, intercostal arteries and serum samples from COPD patients, non-obstructed smokers (NOS) and never-smokers (NS)...
2017: PloS One
https://www.readbyqxmd.com/read/28545084/feasibility-study-of-tspo-quantification-with-18f-feppa-using-population-based-input-function
#2
Rostom Mabrouk, Antonio P Strafella, Dunja Knezevic, Christine Ghadery, Romina Mizrahi, Avideh Gharehgazlou, Yuko Koshimori, Sylvain Houle, Pablo Rusjan
PURPOSE: The input function (IF) is a core element in the quantification of Translocator protein 18 kDa with positron emission tomography (PET), as no suitable reference region with negligible binding has been identified. Arterial blood sampling is indeed needed to create the IF (ASIF). In the present manuscript we study individualization of a population based input function (PBIF) with a single arterial manual sample to estimate total distribution volume (VT) for [18F]FEPPA and to replicate previously published clinical studies in which the ASIF was used...
2017: PloS One
https://www.readbyqxmd.com/read/28545072/effect-of-vitamin-d-on-endothelial-progenitor-cells-function
#3
Yoav Hammer, Alissa Soudry, Amos Levi, Yeela Talmor-Barkan, Dorit Leshem-Lev, Joel Singer, Ran Kornowski, Eli I Lev
BACKGROUND: Endothelial progenitor cells (EPCs) are a population of bone marrow-derived cells, which have an important role in the process of endothelialization and vascular repair following injury. Impairment of EPCs, which occurs in patients with diabetes, was shown to be related to endothelial dysfunction, coronary artery disease (CAD) and adverse clinical outcomes. Recent evidence has shown that calcitriol, the active hormone of vitamin D, has a favorable impact on the endothelium and cardiovascular system...
2017: PloS One
https://www.readbyqxmd.com/read/28544855/descriptive-study-of-relationship-between-cardio-ankle-vascular-index-and-biomarkers-in-vascular-related-diseases
#4
Jinbo Liu, Huan Liu, Hongwei Zhao, Guangyun Shang, Yingyan Zhou, Lihong Li, Hongyu Wang
BACKGROUND: Cardio-ankle vascular index (CAVI) was supposed to be an independent predictor for vascular-related events. Biomarkers such as homocysteine (Hcy), N-terminal pro-brain natriuretic peptide (NT-proBNP), and urine albumin(microalbumin) (UAE) have involved the pathophysiological development of arteriosclerosis. The present study was to investigate relationship between CAVI and biomarkers in vascular-related diseases. METHODS: A total of 656 subjects (M/F 272/384) from department of Vascular Medicine were enrolled into our study...
May 25, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28544519/the-effect-of-helium-oxygen-assisted-mechanical-ventilation-on-chronic-obstructive-pulmonary-disease-exacerbation-a-systemic-review-and-meta-analysis
#5
Xu Wu, Chuan Shao, Liang Zhang, Jinjing Tu, Hui Xu, Zhihui Lin, Shuguang Xu, Biyun Yu, Yaodong Tang, Shanqun Li
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is often accompanied by acute exacerbations. Patients of COPD exacerbation suffering from respiratory failure often need the support of mechanical ventilation. Helium-oxygen can be used to reduce airway resistance during mechanical ventilation. The aim of this study is to evaluate the effect of helium-oxygen-assisted mechanical ventilation on COPD exacerbation through a meta-analysis. METHODS: A comprehensive literature search through databases of Pub Med (1966∼2016), Ovid MEDLINE (1965∼2016), Cochrane EBM (1991∼2016), EMBASE (1974∼2016) and Ovid MEDLINE was performed to identify associated studies...
May 24, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28544242/percutaneous-thoracic-aortic-aneurysm-repair-through-transcaval-aortic-access
#6
Zaher Fanari, Sumaya Hammami, Nilesh J Goswami, Jeffrey A Goldstein
Transcaval aortic access has been used for deployment of transcatheter aortic valves in patients in whom conventional arterial approaches are not feasible. This access can be vital in other situation when large bore access is needed. We described a case of 65-year-old man who had large thoracic descending aortic aneurysm with diffuse bilateral iliac disease precluding the arterial access required for the procedure. The patient underwent successful transcaval access with placement of 22-Fr balloon expandable sheath followed with successful deployments of 32 mm × 32 mm × 150 mm Valiant stent graft (Medtronic, Minneapolis, MN)...
May 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28543710/presentation-diagnosis-and-management-of-popliteal-artery-entrapment-syndrome-11-years-of-experience-with-61-legs
#7
Luc Corneloup, Claude Labanère, Laurent Chevalier, Jérémie Jaussaud, Aude Mignot, Laurent Gencel, Olivier Corneloup, Dominique Midy
BACKGROUND: Popliteal Artery Entrapment Syndrome (PAES) is still underdiagnosed yet it may significantly interfere with lifestyle, especially among young sportspeople, with symptoms like intermittent claudication. While case reports and small case series are sometimes published, studies with larger populations are quite rare. METHODS: This study summarizes our experience with PAES on 61 limbs (35 patients) over a period of 11 years, describing the demographics, the disease and the diagnostic and therapeutic methods used with PAES patients...
May 19, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28543180/traf6-participates-in-early-brain-injury-after-subarachnoid-hemorrhage-in-rats-through-inhibiting-autophagy-and-promoting-oxidative-stress
#8
Yang Dou, Haitao Shen, Dongxia Feng, Haiying Li, Xiaodi Tian, Jian Zhang, Zhong Wang, Gang Chen
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a member of the TRAF family and an important multifunctional intracellular adaptin of the tumor necrosis factor (TNF) superfamily and toll/IL-1 receptor (TIR) superfamily. TRAF6 has been studied in several central nervous system (CNS) diseases, including ischemic stroke, traumatic brain injury and neurodegenerative diseases, but its role in subarachnoid hemorrhage (SAH) has not been fully illustrated. This study was designed to explore changes of expression level and potential roles and mechanisms of TRAF6 in early brain injury (EBI) after SAH by using a Sprague-Dawley rat model of SAH induced in 0...
May 24, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28542978/procedural-outcomes-and-long-term-survival-following-lead-extraction-in-octogenarians
#9
Mikhael F El-Chami, Michael N Sayegh, Adarsh Patel, Jad El-Khalil, Yaanik Desai, Angel R Leon, Faisal M Merchant
BACKGROUND: Octogenarians account for a significant percentage of patients with indwelling pacemakers or defibrillators. OBJECTIVES: To determine procedural outcomes and long-term survival after Lead Extraction (LE) in octogenarians. METHODS: We retrospectively identified all patients who underwent defibrillator or pacemaker LE at our institution between January 1(st) 2007 and May 31(st) 2016. Patients were stratified based on age into two groups: < 80 years old (Group 1, n = 674) or ≥ 80 (Group 2, n = 100)...
May 24, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28542953/zebrafish-tmem230a-cooperates-with-the-delta-notch-signaling-pathway-to-modulate-endothelial-cell-number-in-angiogenic-vessels
#10
Silvia Carra, Lorenzo Sangiorgio, Paride Pelucchi, Solei Cermenati, Alessandra Mezzelani, Valentina Martino, Mira Palizban, Alberto Albertini, Martin Götte, James Kehler, Gianluca Deflorian, Monica Beltrame, Antonio Giordano, Rolland Reinbold, Franco Cotelli, Gianfranco Bellipanni, Ileana Zucchi
During embryonic development, new arteries and veins form from preexisting vessels in response to specific angiogenic signals. Angiogenic signaling is complex since not all endothelial cells exposed to angiogenic signals respond equally. Some cells will be selected to become tip cells and acquire migration and proliferation capacity necessary for vessel growth while others, the stalk cells become trailer cells that stay connected with pre-existing vessels and act as a linkage to new forming vessels. Additionally, stalk and tip cells have the capacity to interchange their roles...
May 25, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28542803/early-gestational-age-at-preeclampsia-onset-is-associated-with-subclinical-atherosclerosis-12-years-after-delivery
#11
Martin Christensen, Camilla Skovhus Kronborg, Rasmus Kirkeskov Carlsen, Nikolaj Eldrup, Ulla Breth Knudsen
Women with a history of preeclampsia have increased risk of cardiovascular disease later in life. However, it is unclear if early gestational age at preeclampsia onset is associated with higher cardiovascular disease risk. This study aimed to test the association between gestational age at preeclampsia onset (including the early-onset/late-onset preeclampsia distinction) and subclinical atherosclerosis and arterial stiffness in age-matched women 12 years after index pregnancy MATERIAL AND METHODS: Eligible participants were identified in two Danish registries...
May 23, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28542627/predictive-features-of-chronic-kidney-disease-in-atypical-haemolytic-uremic-syndrome
#12
Matthieu Jamme, Quentin Raimbourg, Dominique Chauveau, Amélie Seguin, Claire Presne, Pierre Perez, Pierre Gobert, Alain Wynckel, François Provôt, Yahsou Delmas, Christiane Mousson, Aude Servais, Laurence Vrigneaud, Agnès Veyradier, Eric Rondeau, Paul Coppo
Chronic kidney disease (CKD) is a frequent and serious complication of atypical haemolytic uremic syndrome (aHUS). We aimed to develop a simple accurate model to predict the risk of renal dysfunction in aHUS based on clinical and biological features available at hospital admission. Renal function at 1-year follow-up, based on an estimated glomerular filtration rate < 60mL/min/1.73m2 as assessed by the Modification of Diet in Renal Disease equation, was used as an indicator of significant CKD. Prospectively collected data from a cohort of 156 aHUS patients who did not receive eculizumab were used to identify predictors of CKD...
2017: PloS One
https://www.readbyqxmd.com/read/28542544/development-and-characterization-of-an-experimental-model-of-diet-induced-metabolic-syndrome-in-rabbit
#13
Oscar Julián Arias-Mutis, Vannina G Marrachelli, Amparo Ruiz-Saurí, Antonio Alberola, Jose Manuel Morales, Luis Such-Miquel, Daniel Monleon, Francisco J Chorro, Luis Such, Manuel Zarzoso
Metabolic syndrome (MetS) has become one of the main concerns for public health because of its link to cardiovascular disease. Murine models have been used to study the effect of MetS on the cardiovascular system, but they have limitations for studying cardiac electrophysiology. In contrast, the rabbit cardiac electrophysiology is similar to human, but a detailed characterization of the different components of MetS in this animal is still needed. Our objective was to develop and characterize a diet-induced experimental model of MetS that allows the study of cardiovascular remodeling and arrhythmogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28542516/evaluation-of-the-systemic-micro-and-macrovasculature-in-stable-angina-a-case-control-study
#14
Ulf Neisius, Erin Olson, Sabrina H Rossi, Hagar A Ibrahim, Gemma Currie, Anna F Dominiczak, Christian Delles
AIMS: The diagnosis of stable angina involves the use of probability estimates based on clinical presentation, age, gender and cardiovascular risk factors. In view of the link between the cardiac and systemic vasculature we tested whether non-invasive measures of systemic micro- and macrovascular structure and function differentiate between individuals with flow-limiting coronary artery disease (CAD) and those with normal coronary arteries (NCA). METHODS AND RESULTS: We recruited 84 patients undergoing elective coronary angiography for investigation of symptoms of stable angina...
2017: PloS One
https://www.readbyqxmd.com/read/28542339/bioenergetic-profile-of-human-coronary-artery-smooth-muscle-cells-and-effect-of-metabolic-intervention
#15
Mingming Yang, Amy E Chadwick, Caroline Dart, Tomoko Kamishima, John M Quayle
Bioenergetics of artery smooth muscle cells is critical in cardiovascular health and disease. An acute rise in metabolic demand causes vasodilation in systemic circulation while a chronic shift in bioenergetic profile may lead to vascular diseases. A decrease in intracellular ATP level may trigger physiological responses while dedifferentiation of contractile smooth muscle cells to a proliferative and migratory phenotype is often observed during pathological processes. Although it is now possible to dissect multiple building blocks of bioenergetic components quantitatively, detailed cellular bioenergetics of artery smooth muscle cells is still largely unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28542272/factors-associated-with-poor-outcomes-of-continuous-renal-replacement-therapy
#16
Chih-Chin Kao, Ju-Yeh Yang, Likwang Chen, Chia-Ter Chao, Yu-Sen Peng, Chih-Kang Chiang, Jenq-Wen Huang, Kuan-Yu Hung
Continuous renal replacement therapy (CRRT) is one of the dialysis modalities for critically ill patients. Despite intensive dialysis care, a high mortality rate is found in these patients. Our objective was to investigate the factors associated with poor outcomes in these patients. We conducted a retrospective cohort study using the National Health Insurance Research Database. Records of critically ill patients who received CRRT between 2007 and 2011 were retrieved, and the patients were categorized into two groups: those with acute kidney injury (AKI) and those with history of end-stage renal disease (ESRD)...
2017: PloS One
https://www.readbyqxmd.com/read/28542263/inflammatory-biomarkers-as-predictors-of-heart-failure-in-women-without-obstructive-coronary-artery-disease-a-report-from-the-nhlbi-sponsored-women-s-ischemia-syndrome-evaluation-wise
#17
Ahmed AlBadri, Kha Lai, Janet Wei, Sofy Landes, Puja K Mehta, Quanlin Li, Delia Johnson, Steven E Reis, Sheryl F Kelsey, Vera Bittner, George Sopko, Leslee J Shaw, Carl J Pepine, C Noel Bairey Merz
BACKGROUND: Women with signs and symptoms of ischemia, no obstructive coronary artery disease (CAD) and preserved left ventricular ejection fraction (EF) often have diastolic dysfunction and experience elevated rates of major adverse cardiac events (MACE), including heart failure (HF) hospitalization with preserved ejection fraction (HFpEF). We evaluated the predictive value of inflammatory biomarkers for long-term HF hospitalization and all-cause mortality in these women. METHODS: We performed a cross-sectional analysis to investigate the relationships between inflammatory biomarkers [serum interleukin-6 (IL-6), C-reactive protein (hs-CRP) and serum amyloid A (SAA)] and median of 6 years follow-up for all-cause mortality and HF hospitalization among women with signs and symptoms of ischemia, non-obstructive CAD and preserved EF...
2017: PloS One
https://www.readbyqxmd.com/read/28542133/protein-disulfide-isomerase-mediated-apoptosis-and-proliferation-of-vascular-smooth-muscle-cells-induced-by-mechanical-stress-and-advanced-glycosylation-end-products-result-in-diabetic-mouse-vein-graft-atherosclerosis
#18
Suning Ping, Shuying Liu, Yuhuan Zhou, Ziqing Li, Yuhuang Li, Kefeng Liu, Adham Sa Bardeesi, Linli Wang, Jingbo Chen, Lie Deng, Jingjing Wang, Hong Wang, Dadi Chen, Zhengyu Zhang, Puyi Sheng, Chaohong Li
Protein disulfide isomerase (PDI) involves cell survival and death. Whether PDI mediates mechanical stretch stress (SS) and/or advanced glycosylation end products (AGEs) -triggered simultaneous increases in proliferation and apoptosis of vascular smooth muscle cells (VSMCs) is unknown. Here, we hypothesized that different expression levels of PDI trigger completely opposite cell fates among the different VSMC subtypes. Mouse veins were grafted into carotid arteries of non-diabetic and diabetic mice for 8 weeks; the grafted veins underwent simultaneous increases in proliferation and apoptosis, which triggered vein graft arterializations in non-diabetic or atherosclerosis in diabetic mice...
May 25, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28542113/increased-arterial-stiffness-in-nonalcoholic-fatty-liver-disease-a-systematic-review-and-meta-analysis
#19
Veeravich Jaruvongvanich, Jirat Chenbhanich, Anawin Sanguankeo, Pattara Rattanawong, Karn Wijarnpreecha, Sikarin Upala
BACKGROUND: Arterial function is a marker of early atherosclerotic changes and cardiovascular disease. Several studies have suggested the possible association between nonalcoholic fatty liver disease (NAFLD) and increased arterial stiffness. Thus, we conducted a systematic review and meta-analysis to better characterize this association. PATIENTS AND METHODS: A comprehensive search of the databases of the MEDLINE and EMBASE was carried out from inception through September 2016...
May 24, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28542096/modified-dual-energy-algorithm-for-calcified-plaque-removal-evaluation-in-carotid-computed-tomography-angiography-and-comparison-with-digital-subtraction-angiography
#20
Manoj Mannil, Jaychandran Ramachandran, Ilaria Vittoria de Martini, Susanne Wegener, Bernhard Schmidt, Thomas Flohr, Bernhard Krauss, Antonios Valavanis, Hatem Alkadhi, Sebastian Winklhofer
OBJECTIVES: Computed tomography angiography (CTA) is a valuable tool for the assessment of carotid artery stenosis. However, blooming artifacts from calcified plaques might result in an overestimation of the stenosis grade. The aim of this study was to investigate a new dual-energy computed tomography (DECT) technique with a modified 3-material decomposition algorithm for calcium removal in extracranial carotid artery stenosis. MATERIALS AND METHODS: In this retrospective, institutional review board-approved study, 30 calcified carotid plaques in 22 patients (15 men; mean age, 73 ± 10 years) with clinical suspicion of stroke were included...
May 24, 2017: Investigative Radiology
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