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https://www.readbyqxmd.com/read/29245186/endothelial-dysfunction-in-early-systemic-lupus-erythematosus-patients-and-controls-without-previous-cardiovascular-events
#1
Mara Taraborelli, Edoardo Sciatti, Ivano Bonadei, Vincenzo Terlizzi, Micaela Fredi, Roberta Zani, Giovanni Cancarini, Angela Tincani, Franco Franceschini, Enrico Vizzardi, Ilaria Cavazzana
OBJECTIVES: To assess the prevalence and risk factors for endothelial dysfunction detected by peripheral artery tonometry in systemic lupus erythematosus patients with early disease without cardiovascular disease and risk factors. METHODS: All the consecutive adult lupus patients, with a disease duration less than 5 years, seen in our Hospital from December 2014 to March 2016 were considered. We excluded patients with any history of cardiovascular disease or risk factors possibly affecting peripheral artery tonometry...
December 15, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29245185/contribution-of-crop-model-structure-parameters-and-climate-projections-to-uncertainty-in-climate-change-impact-assessments
#2
Fulu Tao, Reimund P Rötter, Taru Palosuo, C G H Díaz-Ambrona, M Inés Mínguez, Mikhail A Semenov, Kurt Christian Kersebaum, Claas Nendel, Xenia Specka, Holger Hoffmann, Frank Ewert, Anaelle Dambreville, Pierre Martre, Lucía Rodríguez, Margarita Ruiz-Ramos, Thomas Gaiser, Jukka G Höhn, Tapio Salo, Roberto Ferrise, Marco Bindi, Davide Cammarano, Alan H Schulman
Climate change impact assessments are plagued with uncertainties from many sources, such as climate projections or the inadequacies in structure and parameters of the impact model. Previous studies tried to account for the uncertainty from one or two of these. Here, we developed a triple-ensemble probabilistic assessment using seven crop models, multiple sets of model parameters, and eight contrasting climate projections together to comprehensively account for uncertainties from these three important sources...
December 15, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29245183/increased-expression-and-modulated-regulatory-activity-of-co-inhibitory-receptors-pd-1-tigit-and-tim-3-in-lymphocytes-of-systemic-sclerosis-patients
#3
Michelle Fleury, Anna C Belkina, Elizabeth A Proctor, Christopher Zammitti, Robert W Simms, Douglas A Lauffenburger, Jennifer E Snyder-Cappione, Robert Lafyatis, Hans Dooms
OBJECTIVE: Immune dysfunction is an important component of the disease process underlying Systemic Sclerosis (SSc), but the mechanisms contributing to altered immune cell function in SSc remain poorly defined. Here, we measured the expression and function of the co-inhibitory receptors (co-IRs) PD-1, TIGIT, TIM-3, and LAG-3 in lymphocyte subsets from the peripheral blood of SSc patients. METHODS: Co-IR expression levels on immune cell subsets were analyzed using a 16-color flow cytometry panel...
December 15, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29245181/revealing-a-new-mode-of-sensitization-induced-by-mechanical-circulatory-support-devices-impact-of-anti-at1-r-antibodies
#4
X Zhang, J Mirocha, T Aintablian, S Dimbil, J Moriguchi, F Arabia, J A Kobashigawa, N L Reinsmoen
BACKGROUND: Increased levels of angiotensin II type 1 receptor (AT1 R) antibody have been shown to be associated with allograft rejection. This study aims to determine the rate of development of antibody to AT1 R after Mechanical Circulatory Support Device (MCS) implantation, and if development of strong binding AT1 R antibodies is associated with survival. METHODS: 88 patients who had one MCS implantation were accessed based on serum availability. MCS in this cohort included pneumatic bilateral paracorporeal ventricular assist device, continuous flow left ventricular assist device, and total artificial heart...
December 15, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29245179/hot-off-the-press-sgem-196-gastroparesis-i-feel-like-throwing-up
#5
Corey Heitz, Justin Morgenstern, William K Milne
This randomized controlled trial compared haloperidol along with conventional therapy to placebo along with conventional therapy for gastroparesis in the emergency department. The primary outcomes of pain and nausea scores at 1 hour were significantly improved in the haloperidol group, but not in the placebo group. In this summary, we discuss a quality assessment of the article and summarized the social media commentary from the blog post/podcast. This article is protected by copyright. All rights reserved.
December 15, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29245171/effects-of-atorvastatin-on-autophagy-in-skeletal-muscles-of-diabetic-rats
#6
Bingquan Yang, Jie Sun, Yang Yuan, Zilin Sun
AIMS/INTRODUCTION: Atorvastatin is usually used to decrease the amount of fatty substances in individuals with type 2 diabetes mellitus. However, it can cause side effects, such as breakdown of skeletal muscle tissue. This study focuses on the effects of atorvastatin on autophagy of the skeletal muscles in diabetic rats. MATERIALS AND METHODS: Diabetes in rats in the diabetic (D) and atorvastatin (T) groups was induced using streptozotocin (65 mg/kg, intraperitoneal injection)...
December 15, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29245167/-are-we-really-as-happy-as-we-think-we-are-a-critical-examination-of-work-satisfaction-in-a-university-pediatric-hospital
#7
Andreas Hiemisch, Yve Stöbel-Richter, Gesine Grande, Elmar Brähler, Wieland Kiess
Goals Despite numerous reported deficits and an increasingly tense working environment in German hospitals, employees themselves often assess their job satisfaction as being high to very high. Hence, the board of directors does not have important arguments for sustainable improvement of working conditions. This discrepancy between working conditions and subjective satisfaction was the motivation for this work. Methods Data were acquired via an attitude survey at the University Hospital for Children and Adolescents Leipzig, with employees sub-divided into medical, nursing and administrative/technical staff...
December 15, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/29245156/selection-and-targeting-of-epcam-protein-by-ssdna-aptamer
#8
Walhan Alshaer, Nida Ababneh, Mamon Hatmal, Heba Izmirli, Moujab Choukeife, Alaa Shraim, Nour Sharar, Aya Abu-Shiekah, Fadwa Odeh, Abeer Al Bawab, Abdalla Awidi, Said Ismail
Aptamers are molecules that reveal highly complex and refined molecular recognition properties. These molecules are capable of binding with high affinity and selectivity to targets, ranging from small molecules to whole living cells. Several aptamers have been selected for targeting cellular proteins and they have also used in developing therapeutics and diagnostic strategies. Epithelial cell adhesion molecule (EpCAM) is considered as a cancer stem cell (CSC) biomarker and one of the most promising targets for aptamer selection against CSCs...
2017: PloS One
https://www.readbyqxmd.com/read/29245154/acute-procedural-outcomes-of-orbital-atherectomy-for-the-treatment-of-profunda-femoris-artery-disease-subanalysis-of-the-confirm-registries
#9
Michael S Lee, Pratyaksh K Srivastava, Saif Al Yaseen, Daniel Heikali, John Hollowed, Ehtisham Mahmud
OBJECTIVES: We compared the angiographic outcomes of patients treated with orbital atherectomy for profunda femoris artery (PFA) and superficial femoral artery (SFA) disease from the CONFIRM I-III registries. BACKGROUND: Endovascular revascularization of the PFA is considered a high-risk procedure given that it is an important collateral vessel when the SFA becomes occluded. Data on outcomes of endovascular revascularization of calcified PFA disease are limited...
December 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29245153/catheter-ablation-of-focal-atrial-tachycardia-using-remote-magnetic-navigation
#10
Xiao-Yu Liu, Peter Karl Jacobsen, Steen Pehrson, Xu Chen
OBJECTIVES: The outcomes of catheter ablation in focal atrial tachycardia (AT) using remote magnetic navigation (RMN) are still controversial. The objectives of this study were to assess the acute and long-term outcomes of catheter ablation in focal AT using RMN. BACKGROUND: A total of 53 patients with focal AT who underwent catheter ablation using RMN were included. Thirty-six patients had structural heart disease, including previous atrial fibrillation ablation and heart surgery (abnormal group), and the remaining 17 patients had no structural heart disease (normal group)...
December 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29245152/operator-pelvic-radiation-exposure-during-percutaneous-coronary-procedures
#11
Alessandro Sciahbasi, Emanuela Piccaluga, Alessandro Sarandrea, Giacomo Nucci, Nicola Caretto, Stefano Rigattieri, Silvio Fedele, Silvio Romano, Maria Penco
OBJECTIVES: To evaluate operator pelvic radiation exposure during percutaneous coronary procedures. BACKGROUND: During percutaneous coronary procedures, the operator's pelvic region is close to the x-ray source and is probably exposed to more radiation than the operator's thorax. However, no data are available on the pelvic radiation exposure of interventional cardiologists. METHODS: The RADIANT study (NCT01974453) is a prospective, single-center, observational study evaluating operator radiation exposure during percutaneous coronary procedures using electronic dosimeters placed at thorax level...
December 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29245145/comparative-leaching-of-six-toxic-metals-from-raw-and-chemically-stabilized-mswi-fly-ash-using-citric-acid
#12
Huawei Wang, Xinxiu Fan, Ya-Nan Wang, Weihua Li, Yingjie Sun, Meili Zhan, Guizhi Wu
The leaching behavior of six typical toxic metals (Pb, Zn, Cr, Cd, Cu and Ni) from raw and chemically stabilized (phosphate and chelating agent) municipal solid waste incineration (MSWI) fly ash were investigated using citric acid. Leaching tests indicated that phosphate stabilization can effectively decrease the leaching of Zn, Cd and Cr; whereas chelating agent stabilization shows a strong ability to lower the release of Pb, Cd and Cu, but instead increases the solubility of Zn and Cr at low pH conditions...
December 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29245142/the-chest-radiologist-s-role-in-invasive-breast-cancer-detection
#13
Laurie R Margolies, Mary Salvatore, Rowena Yip, Kathleen Tam, Alexandra Bertolini, Claudia Henschke, David Yankelevitz
PURPOSE: To assess the ability of chest CT to identify patients needing further evaluation of the breasts. METHODS: IRB approval was obtained with a waiver of consent. Women with chest CT and mammogram within 12months formed the cohort. A breast assessment and recommendation CT score (BARCS) analogous to mammographic BI-RADS was created and compared to the mammogram BI-RADS. RESULTS: BARCS and mammographic BI-RADS management recommendations were concordant for 77...
December 7, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29245141/a-systematic-review-of-the-state-of-the-literature-on-sexually-exploited-boys-internationally
#14
Melissa Moynihan, Katherine Mitchell, Claire Pitcher, Farinaz Havaei, Max Ferguson, Elizabeth Saewyc
This systematic review assessed the current state of the literature on sexually exploited boys internationally. We aimed to describe what is known about sexual exploitation of boys, identify gaps in the literature, provide implications for practice, and make recommendations for future research. Multiple database searches were conducted using a combination of controlled vocabulary and keywords to capture child and adolescent sexual exploitation. Our search identified 11,099 unique references and excluded studies that did not include male participants less than 18 years old or disaggregate results by relevant age groups and/or by sex...
December 12, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/29245139/scapular-focused-exercise-treatment-protocol-for-shoulder-impingement-symptoms-three-dimensional-scapular-kinematics-analysis
#15
Gisele Harumi Hotta, Adriane Lopes Santos, Kevin James McQuade, Anamaria Siriani de Oliveira
BACKGROUND: The present study aimed to describe the effects of a periscapular strengthening and neuromuscular training protocol in three-dimensional scapular kinematics and resting positioning in participants with shoulder impingement symptoms. Self-reported function was also evaluated. METHOD: The study group comprised 50 subjects with shoulder impingement syndrome (control group, n=25; treatment group, n=25). The treatment group underwent 8weeks of neuromuscular training and periscapular strengthening...
December 11, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29245132/transcriptome-analysis-reveals-novel-insights-into-the-response-to-pb-exposure-in-phanerochaete-chrysosporium
#16
Chao Huang, Rongzhong Wang, Guangming Zeng, Danlian Huang, Cui Lai, Jiachao Zhang, Zhihua Xiao, Jia Wan, Piao Xu, Xiaomin Gong, Wenjing Xue, Xiaoya Ren
Metals released into the environment continue to be of concern for human health. Using white-rot fungi as biosorbents for heavy metals removal is an attractive alternative owing to its good performance and low cost. However, the molecular mechanism underlying heavy metal tolerance in white-rot fungi has not yet been fully elucidated. This study identified and analyzed the lead (Pb)-induced transcriptional changes in Phanerochaete chrysosporium, a well-known heavy metal hyperaccumulating white-rot fungus. The results confirmed its outstanding ability in Pb tolerance and effective defense system...
December 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/29245119/dceus-based-focal-parametric-perfusion-imaging-of-microvessel-with-single-pixel-resolution-and-high-contrast
#17
Diya Wang, Mengnan Xiao, Hong Hu, Yu Zhang, Zhe Su, Shanshan Xu, Yujin Zong, Mingxi Wan
This study aimed to develop a focal microvascular contrast-enhanced ultrasonic parametric perfusion imaging (PPI) scheme to overcome the tradeoff between the resolution, contrast, and accuracy of focal PPI in the tumor. Its resolution was limited by the low signal-to-clutter ratio (SCR) of time-intensity-curves (TICs) induced by multiple limitations, which deteriorated the accuracy and contrast of focal PPI. The scheme was verified by the in-vivo perfusion experiments. Single-pixel TICs were first extracted to ensure PPI with the highest resolution...
December 2, 2017: Ultrasonics
https://www.readbyqxmd.com/read/29245118/higher-order-longitudinal-guided-wave-modes-in-axially-stressed-seven-wire-strands
#18
Brennan Dubuc, Arvin Ebrahimkhanlou, Salvatore Salamone
This paper investigates the effect of axial stress on higher order longitudinal guided modes propagating in individual wires of seven-wire strands. Specifically, an acoustoelastic theory for a rod is used to predict the effect of stress on the phase velocity of guided modes in a strand. To this end, the exact acoustoelastic theory for an axially stressed rod is adapted for small deformations. Aside from the exact theory, approximate phase velocity changes (derived from both theory and experiment) are proposed, without the need to solve for dispersion curves...
December 7, 2017: Ultrasonics
https://www.readbyqxmd.com/read/29245115/effects-of-grain-size-on-the-microstructures-and-mechanical-properties-of-304-austenitic-steel-processed-by-torsional-deformation
#19
Ji Gu, Lixin Zhang, Song Ni, Min Song
In this paper, two grain sized 304 austenitic steel rods (coarse-grained steel with an average grain size of ∼20μm and ultra-coarse-grained steel with an average grain size of ∼1mm) were treated by pre-torsional deformation. Gradient microstructures with "dislocations→stacking faults→nanotwins" along the radial direction were formed in the ultra-coarse-grained specimen, and this type of gradient microstructures is beneficial to the mechanical properties. The results also showed that grain size affects the onset of twinning...
December 11, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/29245114/subacromial-impingement-syndrome-an-electromyographic-study-of-shoulder-girdle-muscle-fatigue
#20
Omid Alizadehkhaiyat, Margaret M Roebuck, Ahmed T Makki, Simon P Frostick
Muscle fatigue affecting glenohumeral and/or scapular muscles is suggested as one of the contributing factors to the development of subacromial impingement syndrome (SAIS). Nonetheless, the fatigability of shoulder girdle muscles in association with the pathomechanics of SAIS has not been reported. This study aimed to measure and compare fatigue progression within the shoulder girdle musculature of patients and healthy controls. 75 participants including 39 patients (20 females; 19 males) and 36 healthy controls (15 females; 21 males) participated in the study...
December 7, 2017: Journal of Electromyography and Kinesiology
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