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https://www.readbyqxmd.com/read/28700020/a-meta-analysis-of-circulating-microvesicles-in-patients-with-myocardial-infarction
#1
Zhida Wang, Wang Cai, Shaolan Hu, Yufei Xia, Yao Wang, Qi Zhang, Liming Chen
Background: Cell-derived microvesicles (MVs) are vesicles released from activated or apoptotic cells. However, the levels of MVs in myocardial infarction have been found inconsistent in researches. Objective: To assess the association between MVs and myocardial infarction by conducting a meta-analysis. Methods: A systematic literature search on PubMed, Embase, Cochran, Google Scholar electronic database was conducted. Comparison of the MVs levels between myocardial infarction patients and healthy persons were included in our study...
July 10, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28550290/differential-methylation-is-associated-with-non-syndromic-cleft-lip-and-palate-and-contributes-to-penetrance-effects
#2
Lucas Alvizi, Xiayi Ke, Luciano Abreu Brito, Rimante Seselgyte, Gudrun E Moore, Philip Stanier, Maria Rita Passos-Bueno
Non-syndromic cleft lip and/or palate (NSCLP) is a common congenital malformation with a multifactorial model of inheritance. Although several at-risk alleles have been identified, they do not completely explain the high heritability. We postulate that epigenetic factors as DNA methylation might contribute to this missing heritability. Using a Methylome-wide association study in a Brazilian cohort (67 NSCLP, 59 controls), we found 578 methylation variable positions (MVPs) that were significantly associated with NSCLP...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28496972/vuv-uv-light-inducing-accelerated-phenol-degradation-with-a-low-electric-input
#3
Mengkai Li, Dong Wen, Zhimin Qiang, John Kiwi
This study presents the first evidence for the accelerated degradation of phenol by Fenton's reagent in a mini-fluidic VUV/UV photoreaction system (MVPS). A low-pressure mercury lamp used in the MVPS led to a complete degradation of phenol within 4-6 min. The HO˙ and HO2˙ originating from both Fenton's reagent and VUV photolysis of water were identified with suitable radical scavengers. The effects of initial concentrations of phenol, H2O2 and Fe(3+) as well as solution pH on phenol degradation kinetics were examined...
January 23, 2017: RSC Advances
https://www.readbyqxmd.com/read/28477226/-malignant-bileaflet-mitral-valve-prolapse-syndrome-in-otherwise-idiopathic-ventricular-fibrillation
#4
Dirk Vollmann, Claudius Hansen, Lars Lüthje, Ole A Breithardt
A 32-year-old, otherwise healthy woman was admitted after successful out-of-hospital resuscitation due to ventricular fibrillation. Established cardiac, pulmonary, metabolic, and toxicological causes were excluded. However, persisting (biphasic) negative T waves in the inferior ECG leads and premature ventricular contractions (PVC) were noted. PVC morphology indicated a focus alternating between the posterior papillary muscle/the left posterior fascicle and the left ventricular outflow tract region/anterior papillary muscle...
May 5, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28360352/intracranial-venous-pressures-under-conscious-sedation-and-general-anesthesia
#5
Daniel M S Raper, Thomas J Buell, Ching-Jen Chen, Dale Ding, Robert M Starke, Kenneth C Liu
INTRODUCTION: Venous outflow obstruction has been implicated in the pathophysiology of a subset of patients with idiopathic intracranial hypertension (IIH), and venous sinus stenting (VSS) has emerged as an effective treatment. However, the effect of anesthesia on venous sinus pressure measurements is unpredictable. A more thorough understanding of the effect of the level of anesthesia on intracranial venous pressures might help to better define patients who might benefit most from stent placement...
March 30, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28211168/the-medtronic-micro-vascular-plug%C3%A2-for-vascular-embolization-in-children-with-congenital-heart-diseases
#6
MULTICENTER STUDY
Shyam Sathanandam, Henri Justino, B Rush Waller, Srinath T Gowda, Wolfgang Radtke, Athar M Qureshi
OBJECTIVES: To describe the early multi-center, clinical experience with the Medtronic Micro Vascular Plug™ (MVP) in children with congenital heart disease (CHD) undergoing vascular embolization. BACKGROUND: The MVP is a large diameter vascular occlusion device that can be delivered through a microcatheter for embolization of abnormal blood vessels. METHODS: A retrospective review of embolization procedures using the MVP in children with CHD was performed in 3-centers...
April 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28197216/introducing-the-comprehensive-unit-based-safety-program-for-mechanically-ventilated-patients-in-saudi-arabian-intensive-care-units
#7
Raymond M Khan, Maha Aljuaid, Hanan Aqeel, Mohammed M Aboudeif, Shaimaa Elatwey, Rajeh Shehab, Yasser Mandourah, Khalid Maghrabi, Hassan Hawa, Imran Khalid, Ismael Qushmaq, Asad Latif, Bickey Chang, Sean M Berenholtz, Sultan Tayar, Khloud Al-Harbi, Amin Yousef, Anas A Amr, Yaseen M Arabi
Over the past decade, there have been major improvements to the care of mechanically ventilated patients (MVPs). Earlier initiatives used the concept of ventilator care bundles (sets of interventions), with a primary focus on reducing ventilator-associated pneumonia. However, recent evidence has led to a more comprehensive approach: The ABCDE bundle (Awakening and Breathing trial Coordination, Delirium management and Early mobilization). The approach of the Comprehensive Unit-based Safety Program (CUSP) was developed by patient safety researchers at the Johns Hopkins Hospital and is supported by the Agency for Healthcare Research and Quality to improve local safety cultures and to learn from defects by utilizing a validated structured framework...
January 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28039861/uvb-generated-microvesicle-particles-a-novel-pathway-by-which-a-skin-specific-stimulus-could-exert-systemic-effects
#8
REVIEW
Katherine Fahy, Langni Liu, Christine M Rapp, Christina Borchers, Ji C Bihl, Yanfang Chen, Richard Simman, Jeffrey B Travers
Ultraviolet B radiation (UVB) exerts profound effects on human skin. Much is known regarding the ability of UVB to generate a plethora of bioactive agents ranging from cytokines and other bioactive proteins, lipid mediators and microRNAs. It is presumed that these agents are in large part responsible for the effects of UVB, which is only absorbed appreciably in the epidermis. However, the exact mechanism by which these bioactive agents can leave the epidermis are as yet unclear. This review addresses the potential role of microvesicle particles (MVP) as UVB signaling agents through transmitting biologic mediators...
July 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/27888796/altered-dna-methylation-in-neonates-born-large-for-gestational-age-is-associated-with-cardiometabolic-risk-in-children
#9
Xian-Hua Lin, Dan-Dan Wu, Ling Gao, Jun-Yu Zhang, Hai-Tao Pan, Hui Wang, Cheng Li, Ping Zhang, Meng-Xi Guo, Yan-Ting Wu, Ya-Jing Tan, Li Jin, Yu-Qian Xiang, Ju-Xue Li, Jian-Zhong Sheng, He-Feng Huang
BACKGROUND: Infants being born Large-for-gestational-age (LGA) are prone to developing cardiometabolic disease. However, the underlying mechanisms remain unclear. RESULTS: Clinical investigation showed that children born LGA had significantly higher serum level of total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-c), and insulin, ratio of TC/high-density lipoprotein-cholesterol (HDL-c) compared to children born appropriate for gestational age (AGA)...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/27847148/sulfamethazine-degradation-in-water-by-the-vuv-uv-process-kinetics-mechanism-and-antibacterial-activity-determination-based-on-a-mini-fluidic-vuv-uv-photoreaction-system
#10
Mengkai Li, Chen Wang, Miaoling Yau, James R Bolton, Zhimin Qiang
A mini-fluidic VUV/UV photoreaction system (MVPS) was developed in our previous study, and it was demonstrated as a powerful tool for studies on pollutant degradation by the VUV/UV process. In this study, we investigated the VUV/UV photodegradation of sulfamethazine (SMN), one of the most frequently detected antibiotics in the environment. The determination methods of photochemical kinetic parameters (e.g., photon fluence-based rate constant and quantum yield) were developed based on the MVPS. The photon fluence-based reaction rate constants for SMN degradation by UV alone and VUV/UV processes were determined as 0...
January 1, 2017: Water Research
https://www.readbyqxmd.com/read/27826344/clinical-characteristics-of-marfan-syndrome-in-korea
#11
A Young Lim, Ju Sun Song, Eun Kyoung Kim, Shin Yi Jang, Tae-Young Chung, Seung-Hyuk Choi, Kiick Sung, June Huh, I-Seok Kang, Yeon Hyeon Choe, Chang-Seok Ki, Duk-Kyung Kim
BACKGROUND AND OBJECTIVES: Marfan syndrome (MFS) is a connective tissue disorder with autosomal dominant inheritance and a highly variable clinical spectrum. However, there are limited data available on the clinical features of Korean patients with MFS. The aim of the present study was to describe the clinical characteristics and outcomes of Korean patients with MFS. SUBJECTS AND METHODS: We included all patients who were diagnosed with MFS between January 1995 and May 2015 at a single tertiary medical center...
November 2016: Korean Circulation Journal
https://www.readbyqxmd.com/read/27812780/pulmonary-arteriovenous-malformations-embolized-using-a-micro-vascular-plug-system-technical-note-on-a-preliminary-experience
#12
Emanuele Boatta, Christine Jahn, Matthieu Canuet, Julien Garnon, Nitin Ramamurthy, Roberto Luigi Cazzato, Afshin Gangi
AIM: To report our preliminary experience using a Micro Vascular Plug (MVP) deployed through a 2.8Fr micro-catheter for the treatment of pulmonary arteriovenous malformations (PAVMs) in a cohort of patients affected by Hereditary Haemorrhagic Telangiectasia (HHT). MATERIALS AND METHODS: Four consecutive female patients (mean age 38.0 years; range 25-55 years) with PAVMs diagnosed on echocardiogram/bubble test and contrast-enhanced CT (CECT) underwent MVP embolization...
February 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27513658/effects-of-mitral-valve-repair-on-ventricular-arrhythmia-in-patients-with-mitral-valve-prolapse-syndrome-a-report-of-two-cases
#13
Saeid Hosseini, Yousef Rezaei, Niloufar Samiei, Zahra Emkanjoo, Mohammad Reza Dehghani, Majid Haghjoo, Luigi P Badano
No abstract text is available yet for this article.
November 1, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27187747/vuv-uv-chlorine-as-an-enhanced-advanced-oxidation-process-for-organic-pollutant-removal-from-water-assessment-with-a-novel-mini-fluidic-vuv-uv-photoreaction-system-mvps
#14
Mengkai Li, Zhimin Qiang, Pin Hou, James R Bolton, Jiuhui Qu, Peng Li, Chen Wang
Vacuum ultraviolet (VUV) and ultraviolet (UV)/chlorine processes are regarded as two of many advanced oxidation processes (AOPs). Because of the similar cost of VUV/UV and UV lamps, a combination of VUV and UV/chlorine (i.e., VUV/UV/chlorine) may enhance the removal of organic pollutants in water but without any additional power input. In this paper, a mini-fluidic VUV/UV photoreaction system (MVPS) was developed for bench-scale experiments, which could emit both VUV (185 nm) and UV (254 nm) or solely UV beams with a nearly identical UV photon fluence...
June 7, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27103091/sites-of-successful-ventricular-fibrillation-ablation-in-bileaflet-mitral-valve-prolapse-syndrome
#15
Faisal F Syed, Michael J Ackerman, Christopher J McLeod, Suraj Kapa, Siva K Mulpuru, Chenni S Sriram, Bryan C Cannon, Samuel J Asirvatham, Peter A Noseworthy
BACKGROUND: Although the vast majority of mitral valve prolapse (MVP) is benign, a small subset of patients, predominantly women, with bileaflet prolapse, complex ventricular ectopy (VE), and abnormal T waves comprise the recently described bileaflet MVP syndrome. We compared findings on electrophysiological study in bileaflet MVP syndrome patients with and without cardiac arrest to identify factors that may predispose to malignant ventricular arrhythmia. METHODS AND RESULTS: Fourteen consecutive bileaflet MVP syndrome patients (n=13 women; median [limits], age at index ablation, 33...
May 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27099279/interactions-between-mitral-valve-and-left-ventricle-analysed-by-2d-speckle-tracking-in-patients-with-mitral-valve-prolapse-one-more-piece-to-the-puzzle
#16
Olivier Huttin, Sarah Pierre, Clément Venner, Damien Voilliot, Jean-Marc Sellal, Etienne Aliot, Nicolas Sadoul, Yves Juillière, Christine Selton-Suty
Aims: Two-dimensional echocardiography often reveals abnormal left ventricle (LV) lateral wall kinetics in patients presenting with mitral valve prolapse (MVP). However, relations between MVP and LV deformation are not clearly established. The aim of this study was to assess and quantify mitral valve chordae, leaflets, and LV myocardial interactions using speckle tracking echocardiography (STE). Methods and results: Using STE-derived longitudinal strain curves, LV peak longitudinal strain (PLS, %), post-systolic index (PSI), and pre-stretch index (PST) were analysed in 100 patients with MVP and normal LV ejection fraction...
March 1, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/26876152/uvb-generates-microvesicle-particle-release-in-part-due-to-platelet-activating-factor-signaling
#17
Ji C Bihl, Christine M Rapp, Yanfang Chen, Jeffrey B Travers
The lipid mediator platelet-activating factor (PAF) and oxidized glycerophosphocholine PAF agonists produced by ultraviolet B (UVB) have been demonstrated to play a pivotal role in UVB-mediated processes, from acute inflammation to delayed systemic immunosuppression. Recent studies have provided evidence that microvesicle particles (MVPs) are released from cells in response to various signals including stressors. Importantly, these small membrane fragments can interact with various cell types by delivering bioactive molecules...
May 2016: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/26686183/preparation-analysis-and-antioxidant-evaluation-of-the-controlled-product-of-polysaccharide-from-mactra-veneriformis-by-mild-acid-hydrolysis
#18
Ling Chong Wang, Hao Wu, Jing Ji, Feng Xue, Rui Liu
The polysaccharides from Mactra veneriformis (MVPS) were degraded by controlled mild acid hydrolysis to produce active oligosaccharides. MVPS can easily be hydrolyzed by H2SO4 or HCl. The hydrolyzing process was investigated in acid addition and reaction time by evaluating the producing content of reducing sugar. Hydrolysis with 1M HCl to MVPS can generate a time-depended behavior that is mild and controllable. HPLC analysis monitored the change of oligosaccharides composition in hydrolyzing. Total nine oligosaccharides are recognizable in the HPLC profile, and their content showed a regular transformation in hydrolysis...
February 10, 2016: Carbohydrate Polymers
https://www.readbyqxmd.com/read/26297729/brain-glucose-metabolism-in-diffuse-large-b-cell-lymphoma-patients-as-assessed-with-fdg-pet-impact-on-outcome-and-chemotherapy-effects
#19
Hugo Ja Adams, John Mh de Klerk, Rob Fijnheer, Ben Gf Heggelman, Stefan V Dubois, Rutger Aj Nievelstein, Thomas C Kwee
BACKGROUND: There is a lack of data on the effect of rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) therapy on brain glucose metabolism of diffuse large B-cell lymphoma (DLBCL) patients, as measured by 18F-fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET). Moreover, the prognostic value of brain glucose metabolism measurements is currently unknown. PURPOSE: To investigate the use of FDG-PET for measurement of brain glucose metabolism in R-CHOP-treated DLBCL patients, and to assess its prognostic value...
June 2016: Acta Radiologica
https://www.readbyqxmd.com/read/25830654/correlation-between-reversal-of-dna-methylation-and-clinical-symptoms-in-psoriatic-epidermis-following-narrow-band-uvb-phototherapy
#20
Xiaolian Gu, Elisabet Nylander, Philip J Coates, Robin Fahraeus, Karin Nylander
Epigenetic modifications by DNA methylation are associated with a wide range of diseases. Previous studies in psoriasis have concentrated on epigenetic changes in immune cells or in total skin biopsies that include stromal-associated changes. In order to improve our understanding of the role of DNA methylation in psoriasis, we sought to obtain a comprehensive DNA methylation signature specific for the epidermal component of psoriasis and to analyze methylation changes during therapy. Genome-wide DNA methylation profiling of epidermal cells from 12 patients undergoing narrow-band UVB phototherapy and 12 corresponding healthy controls revealed a distinct DNA methylation pattern in psoriasis compared with controls...
August 2015: Journal of Investigative Dermatology
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