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https://www.readbyqxmd.com/read/29220869/non-obese-fatty-liver-disease-is-associated-with-lacunar-infarct
#1
Min-Sun Kwak, Kyung Won Kim, Hyobin Seo, Goh-Eun Chung, Jeong Yoon Yim, Donghee Kim
BACKGROUND/AIMS: Lacunar infarct, a small subcortical ischemic lesion, is a known risk factor for future cognitive impairment, dementia, and stroke. We evaluated the relationship between fatty liver disease(FLD) and lacunar infarct in a healthy general population. METHODS: Subjects who underwent brain magnetic resonance imaging(MRI) and abdominal ultrasonography(US) during health check-ups from 2007-2009 were included. FLD was diagnosed by US. Subjects with a history of cerebrovascular disease, radiological findings consistent with cerebrovascular stenosis, or cerebral small vessel disease were excluded...
December 8, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29220822/fatigue-and-biological-properties-of-ti-6al-4v-eli-cellular-structures-with-variously-arranged-cubic-cells-made-by-selective-laser-melting
#2
M Dallago, V Fontanari, E Torresani, M Leoni, C Pederzolli, C Potrich, M Benedetti
Traditional implants made of bulk titanium are much stiffer than human bone and this mismatch can induce stress shielding. Although more complex to produce and with less predictable properties compared to bulk implants, implants with a highly porous structure can be produced to match the bone stiffness and at the same time favor bone ingrowth and regeneration. This paper presents the results of the mechanical and dimensional characterization of different regular cubic open-cell cellular structures produced by Selective Laser Melting (SLM) of Ti6Al4V alloy, all with the same nominal elastic modulus of 3GPa that matches that of human trabecular bone...
December 5, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29220755/coronary-artery-calcification-predicts-cardiovascular-complications-after-sepsis
#3
Vedant A Gupta, Matthew Sousa, Nathan Kraitman, Rahul Annabathula, Olga Vsevolozhskaya, Steve W Leung, Vincent L Sorrell
PURPOSE: Sepsis is a highly prevalent and fatal condition, with reported cardiovascular event rates as high as 25-30% at 1year. Risk stratification in septic patients has been extremely limited. MATERIAL AND METHODS: 267 septic patients with detectable troponin levels, APACHE II scores, and CT scans of the chest or abdomen were assessed. Patients with a recent cardiac intervention were excluded. Coronary artery calcification (CAC) was identified as present or absent on body CT scans...
December 2, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29220393/process-service-quality-evaluation-based-on-dempster-shafer-theory-and-support-vector-machine
#4
Feng-Que Pei, Dong-Bo Li, Yi-Fei Tong, Fei He
Human involvement influences traditional service quality evaluations, which triggers an evaluation's low accuracy, poor reliability and less impressive predictability. This paper proposes a method by employing a support vector machine (SVM) and Dempster-Shafer evidence theory to evaluate the service quality of a production process by handling a high number of input features with a low sampling data set, which is called SVMs-DS. Features that can affect production quality are extracted by a large number of sensors...
2017: PloS One
https://www.readbyqxmd.com/read/29220326/a-portable-ultrasound-system-for-non-invasive-ultrasonic-neuro-stimulation
#5
Weibao Qiu, Juan Zhou, Yan Chen, Min Su, Guofeng Li, Huixia Zhao, Xianyi Gu, De Meng, Congzhi Wang, Yang Xiao, Kwok Ho Lam, Jiyan Dai, Hairong Zheng
Fundamental insights into the function of the neural circuits often follows from the advances in methodologies and tools for neuroscience. Electrode- and optical- based stimulation methods have been used widely for neuro-modulation with high resolution. However, they are suffering from inherent invasive surgical procedure. Ultrasound has been proved as a promising technology for neuro-stimulation in a non-invasive manner. However, no portable ultrasound system has been developed particularly for neuro-stimulation...
December 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29220321/end-to-end-blind-image-quality-assessment-using-deep-neural-networks
#6
Kede Ma, Wentao Liu, Kai Zhang, Zhengfang Duanmu, Zhou Wang, Wangmeng Zuo
We propose a multi-task end-to-end optimized deep neural network (MEON) for blind image quality assessment (BIQA). MEON consists of two sub-networks-a distortion identification network and a quality prediction network-sharing the early layers. Unlike traditional methods used for training multi-task networks, our training process is performed in two steps. In the first step, we train a distortion type identification sub-network, for which large-scale training samples are readily available. In the second step, starting from the pre-trained early layers and the outputs of the first sub-network, we train a quality prediction sub-network using a variant of the stochastic gradient descent method...
March 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29218694/training-vascular-access-surgeons-technicians-or-specialists
#7
Nicholas Inston, Tej M Singh
Internationally, vascular access (VA) surgery is delivered in a varied and diverse fashion and subsequently, training in vascular access is poorly defined. Experience of VA during surgical training has implications on future practice. The scope of VA procedures is increasing, yet the focus in vascular training remains largely in the technical aspects of surgery rather than the more comprehensive aspects of surgery applied to dialysis and renal care. To achieve special skills in vascular access surgery may require a change to traditional training with an additional focus on developing an extended portfolio of knowledge and skills...
December 4, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29218644/cardiovascular-complications-of-marijuana-and-related-substances-a-review
#8
REVIEW
Amitoj Singh, Sajeev Saluja, Akshat Kumar, Sahil Agrawal, Munveer Thind, Sudip Nanda, Jamshid Shirani
The recreational use of cannabis has sharply increased in recent years in parallel with its legalization and decriminalization in several countries. Commonly, the traditional cannabis has been replaced by potent synthetic cannabinoids and cannabimimetics in various forms. Despite overwhelming public perception of the safety of these substances, an increasing number of serious cardiovascular adverse events have been reported in temporal relation to recreational cannabis use. These have included sudden cardiac death, vascular (coronary, cerebral and peripheral) events, arrhythmias and stress cardiomyopathy among others...
December 7, 2017: Cardiology and Therapy
https://www.readbyqxmd.com/read/29218617/evaluation-of-an-adaptive-detector-collimation-for-prospectively-ecg-triggered-coronary-ct-angiography-with-third-generation-dual-source-ct
#9
Michael Messerli, Patricia Dewes, Jan-Erik Scholtz, Christophe Arendt, Simon Wildermuth, Thomas J Vogl, Ralf W Bauer
OBJECTIVES: To investigate the impact of an adaptive detector collimation on the dose parameters and accurateness of scan length adaption at prospectively ECG-triggered sequential cardiac CT with a wide-detector third-generation dual-source CT. METHODS: Ideal scan lengths for human hearts were retrospectively derived from 103 triple-rule-out examinations. These measures were entered into the new scanner operated in prospectively ECG-triggered sequential cardiac scan mode with three different detector settings: (1) adaptive collimation, (2) fixed 64 × 0...
December 7, 2017: European Radiology
https://www.readbyqxmd.com/read/29218505/antibacterial-and-antibiofilm-activity-of-lactic-acid-bacteria-isolated-from-traditional-artisanal-milk-cheese-from-northeast-china-against-enteropathogenic-bacteria
#10
Xingyang Cui, Yunjia Shi, Shanshan Gu, Xin Yan, Hongyan Chen, Junwei Ge
The present study aims to investigate the probiotic properties of novel strains of lactic acid bacteria isolated from traditional artisanal milk cheese from Northeast China and to explore their antibacterial activity against enteropathogenic bacteria. Of the 321 isolates, 86 exhibited survival in low pH, resistance to pancreatin, and tolerance to bile salts; of these, 12 inhibited the growth of more than seven enteropathogenic bacteria and exhibited antibiofilm activities against Staphylococcus aureus CMCC26003 and/or Escherichia coli CVCC230...
December 7, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29218496/testing-the-association-between-traditional-and-novel-indicators-of-county-level-structural-racism-and-birth-outcomes-among-black-and-white-women
#11
Brittany D Chambers, Jennifer Toller Erausquin, Amanda E Tanner, Tracy R Nichols, Shelly Brown-Jeffy
Despite decreases in infants born premature and at low birth weight in the United States (U.S.), racial disparities between Black and White women continue. In response, the purpose of this analysis was to examine associations between both traditional and novel indicators of county-level structural racism and birth outcomes among Black and White women. We merged individual-level data from the California Birth Statistical Master Files 2009-2013 with county-level data from the United States (U.S.) Census American Community Survey...
December 7, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/29218482/a-novel-muscle-sparing-high-thoracotomy-for-upper-thoracic-spine-resection-and-reconstruction
#12
Derek T Bernstein, Wu Zhuge, Shanda H Blackmon, Rex A W Marco
PURPOSE: High thoracotomy allows access to the anterior cervicothoracic and upper thoracic vertebrae; however, traditional techniques transect shoulder girdle muscles, leading to postoperative shoulder dysfunction. Muscle-sparing techniques diminish this concern, but often sacrifice the quality of exposure. We describe a novel muscle-sparing, high thoracotomy approach for the treatment of ventral cervicothoracic and upper thoracic spine lesions. METHODS: A novel muscle-sparing, high thoracotomy approach is described, utilizing a midline posterior incision with lateral extension from the lateral decubitus position...
December 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29218425/ionized-and-total-serum-magnesium-in-hemodialysis-predictors-and-variability-a-longitudinal-cross-sectional-study
#13
Rosaria Del Giorno, Hilary Riva, Gaetano Donato, Luca Gabutti
BACKGROUND: Ionized Magnesium (ion-Mg) represents the active biological fraction of the serum magnesium content. The assessment of total serum Mg (tot-Mg) might not accurately identify patients with hypo-or hyper-magnesaemie. In hemodialysis, serum tot-Mg levels in the upper part of the distribution, have been associated with reduced mortality and fewer vascular calcifications; thus, resulting in the tendency to increase the Mg concentration in the dialysate, traditionally set at 0.5 mmol/L...
December 7, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29218417/intensive-dietary-intervention-promoting-the-mediterranean-diet-in-people-with-high-cardiometabolic-risk-a-non-randomized-study
#14
M Grimaldi, O Ciano, M Manzo, M Rispoli, M Guglielmi, A Limardi, P Calatola, M Lucibello, S Pardo, B Capaldo, G Riccardi
AIMS: Mediterranean diet (MD) is acknowledged to exert a number of beneficial health effects. We assessed the efficacy and the durability of a 3-month intensive dietary intervention aimed at implementing the MD on body weight and cardiometabolic risk factors in subjects at high risk. METHODS: One hundred and sixteen subjects participated in the study (71 assigned to the intensive intervention and 45 to the conventional intervention). The intensive intervention consisted of 12 weekly group educational meetings and a free-of-charge supply of meals prepared according to the MD model...
December 7, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/29218359/-significance-of-the-doctorate-in-scientific-medical-education
#15
Matthias Frosch
According to European and German law, the medical education of physicians must take place in a scientific degree program at a university or under the supervision of a university. To keep up the ideal of a scientific degree program, various organizations and associations, such as the German Research Foundation, the German Council of Science and Humanities and the German Medical Faculty Association, see the need for an even stronger anchoring of academic learning content in the course of study. Traditionally, a scientific project, which is carried out during the studies, provides the basis for the Doctor of Medicine (Dr...
December 7, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/29218342/self-assembled-n-graphene-nanohollows-enabling-ultrahigh-energy-density-cathode-for-li-s-batteries
#16
Hanting Tang, Jinlong Yang, Guangxing Zhang, Chaokun Liu, Han Wang, Qinghe Zhao, Jiangtao Hu, Yandong Duan, Feng Pan
Functional porous carbon materials are widely used to solve the low conductivity and shuttle effect of Li-S batteries; however, the common carbon/sulfur composite electrodes based on traditional technology (with conducting agents and binders) make it difficult for a battery to work stably at an ultra-high sulfur loading of 10 mg cm-2. Herein, an appropriate content of sulfur was injected into a pomegranate-like structure self-assembled with nanohollows (PSSN) of N-graphene. The Li-PSSN/S battery based on traditional technology displays a large-capacity, high-rate and long-life at an ultra-high areal-sulfur loading of 10...
December 8, 2017: Nanoscale
https://www.readbyqxmd.com/read/29218324/intellicount-high-throughput-quantification-of-fluorescent-synaptic-protein-puncta-by-machine-learning
#17
J A Fantuzzo, V R Mirabella, A H Hamod, R P Hart, J D Zahn, Z P Pang
Synapse formation analyses can be performed by imaging and quantifying fluorescent signals of synaptic markers. Traditionally, these analyses are done using simple or multiple thresholding and segmentation approaches or by labor-intensive manual analysis by a human observer. Here, we describe Intellicount, a high-throughput, fully-automated synapse quantification program which applies a novel machine learning (ML)-based image processing algorithm to systematically improve region of interest (ROI) identification over simple thresholding techniques...
November 2017: ENeuro
https://www.readbyqxmd.com/read/29218260/a-case-of-streptococcus-anginosus-brain-abscess-caused-by-contiguous-spread-from-sinusitis-in-an-immunocompetent-patient
#18
Nathan Esplin, John W Stelzer, Sean All, Sundeep Kumar, Ejaz Ghaffar, Sayed Ali
Brain abscesses are infections of the brain parenchyma that can arise from either contiguous spread from local infection or by hematogenous spread from a distant site. Streptococcus anginosus of the Streptococcus anginosus group (SAG) is a commensal microbe of the mucosae of the oral cavity, gastrointestinal tract, and urogenital tract. We present a case of mono-microbial brain abscess caused by contiguous spread from relatively asymptomatic sinusitis that initially presented as a subdural hemorrhage on computed tomography...
October 4, 2017: Curēus
https://www.readbyqxmd.com/read/29218066/arterial-stiffness-and-hypertension-which-comes-first
#19
Monica Ecobici, Claudiu Stoicescu
Arterial hypertension is one of the traditional risk factors involved in the development of cardiovascular events, while arterial stiffness is an independent predictor of cardiovascular disease in patients with hypertension. It seems that the risk factors involved in the pathology of uncontrolled hypertension are similar to those that contribute to the development of arterial stiffness. After evidence showed that arterial stiffness is an independent prognostic factor for the occurrence of cardiovascular events in patients with arterial hypertension, the importance of assessing arterial stiffness was recognized in a document drafted by the European Society of Hypertension in 2007...
September 2017: Mædica
https://www.readbyqxmd.com/read/29218037/wuji-wan-formula-ameliorates-diarrhea-and-disordered-colonic-motility-in-post-inflammation-irritable-bowel-syndrome-rats-by-modulating-the-gut-microbiota
#20
Ying Chen, Shuiming Xiao, Zipeng Gong, Xiaoxin Zhu, Qing Yang, Yujie Li, Shuangrong Gao, Yu Dong, Zhe Shi, Yajie Wang, Xiaogang Weng, Qi Li, Weiyan Cai, Weijie Qiang
Emerging evidence suggests that gut microbiota contribute to the treatment of post-inflammatory irritable bowel syndrome (PI-IBS). Our previous studies have demonstrated that a Chinese formula, Wuji Wan, has the ability to mitigate abdominal pain and diarrhea in PI-IBS rats. However, little is known about the underlying mechanism and whether the gut microbiota mediate the effect of Wuji Wan on PI-IBS. Thus, the aim of this study was to determine whether Wuji Wan mitigated PI-IBS by modifying the gut microbiota...
2017: Frontiers in Microbiology
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