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https://www.readbyqxmd.com/read/28806821/endoscopic-submucosal-dissection-of-colitis-related-dysplasia
#1
Noriko Suzuki, Takashi Toyonaga, James E East
Background and study aims Endoscopic submucosal dissection (ESD) offers en bloc resection of lesions, allowing precise pathological assessment. Although possible in ulcerative colitis (UC) patients, the chronic inflammation may increase the procedural risks and reduce the complete resection rate. The aim of this study was to assess the feasibility of ESD for UC and to consider the factors contributing to its technical difficulty. Patients and methods Multicenter experiences of ESD for UC were retrospectively analyzed by reviewing endoscopic videos, pictures, reports, and clinical notes...
August 14, 2017: Endoscopy
https://www.readbyqxmd.com/read/28806768/design-and-fabrication-of-a-realistic-anthropomorphic-heterogeneous-head-phantom-for-mr-purposes
#2
Sossena Wood, Narayanan Krishnamurthy, Tales Santini, Shailesh Raval, Nadim Farhat, John Andy Holmes, Tamer S Ibrahim
OBJECTIVE: The purpose of this study is to design an anthropomorphic heterogeneous head phantom that can be used for MRI and other electromagnetic applications. MATERIALS AND METHODS: An eight compartment, physical anthropomorphic head phantom was developed from a 3T MRI dataset of a healthy male. The designed phantom was successfully built and preliminarily evaluated through an application that involves electromagnetic-tissue interactions: MRI (due to it being an available resource)...
2017: PloS One
https://www.readbyqxmd.com/read/28806756/generic-scalable-and-decentralized-fault-detection-for-robot-swarms
#3
Danesh Tarapore, Anders Lyhne Christensen, Jon Timmis
Robot swarms are large-scale multirobot systems with decentralized control which means that each robot acts based only on local perception and on local coordination with neighboring robots. The decentralized approach to control confers number of potential benefits. In particular, inherent scalability and robustness are often highlighted as key distinguishing features of robot swarms compared with systems that rely on traditional approaches to multirobot coordination. It has, however, been shown that swarm robotics systems are not always fault tolerant...
2017: PloS One
https://www.readbyqxmd.com/read/28806754/short-term-prediction-of-solar-energy-in-saudi-arabia-using-automated-design-fuzzy-logic-systems
#4
Majid Almaraashi
Solar energy is considered as one of the main sources for renewable energy in the near future. However, solar energy and other renewable energy sources have a drawback related to the difficulty in predicting their availability in the near future. This problem affects optimal exploitation of solar energy, especially in connection with other resources. Therefore, reliable solar energy prediction models are essential to solar energy management and economics. This paper presents work aimed at designing reliable models to predict the global horizontal irradiance (GHI) for the next day in 8 stations in Saudi Arabia...
2017: PloS One
https://www.readbyqxmd.com/read/28806735/molecular-characterization-and-multi-locus-genotypes-of-enterocytozoon-bieneusi-from-captive-red-kangaroos-macropus-rfus-in-jiangsu-province-china
#5
Zhijun Zhong, Yinan Tian, Yuan Song, Lei Deng, Junxian Li, Zhihua Ren, Xiaoping Ma, Xiaobin Gu, Changliang He, Yi Geng, Guangneng Peng
Enterocytozoon bieneusi is the most common pathogen of microsporidian species infecting humans worldwide. Although E. bieneusi has been found in a variety of animal hosts, information on the presence of E. bieneusi in captive kangaroos in China is limited. The present study was aimed at determining the occurrence and genetic diversity of E. bieneusi in captive kangaroos. A total of 61 fecal specimens (38 from red kangaroos and 23 from grey kangaroos) were collected from Nanjing Hongshan Forest Zoo and Hongshan Kangaroo Breeding Research Base, Jiangsu province, China...
2017: PloS One
https://www.readbyqxmd.com/read/28806724/one-star-rating-for-a-five-star-program-evaluating-hospital-compare
#6
J M Shapiro
OBJECTIVES: For healthcare systems of any size, it is important to minimize costs while maximizing outcomes. One idea of how to achieve these goals has been the reduction in hospital-related complications, including infection and surgical complications, among others. In the United States, policy makers recently adopted the 'Hospital Compare' program as a way to encourage consumers and improve hospitals. This article evaluates the effectiveness of this policy. STUDY DESIGN: This article uses an observed cohort study of most US hospitals across four different indices...
August 11, 2017: Public Health
https://www.readbyqxmd.com/read/28806425/impact-of-different-surgeons-on-dental-implant-failure
#7
Bruno Ramos Chrcanovic, Jenö Kisch, Tomas Albrektsson, Ann Wennerberg
PURPOSE: To assess the influence of several factors on the prevalence of dental implant failure, with special consideration of the placement of implants by different dental surgeons. MATERIALS AND METHODS: This retrospective study is based on 2,670 patients who received 10,096 implants at one specialist clinic. Only the data of patients and implants treated by surgeons who had inserted a minimum of 200 implants at the clinic were included. Kaplan-Meier curves were stratified with respect to the individual surgeon...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28806419/effects-of-short-term-dry-immersion-on-bone-remodeling-markers-insulin-and-adipokines
#8
Marie-Thérèse Linossier, Liubov E Amirova, Mireille Thomas, Myriam Normand, Marie-Pierre Bareille, Guillemette Gauquelin-Koch, Arnaud Beck, Marie-Claude Costes-Salon, Christine Bonneau, Claude Gharib, Marc-Antoine Custaud, Laurence Vico
BACKGROUND: Dry immersion (DI), a ground-based model of microgravity previously used in Russia, has been recently implemented in France. The aim of this study was to analyze early events in a short-term DI model in which all conditions are met to investigate who is first challenged from osteo- or adipo-kines and to what extent they are associated to insulin-regulating hormones. METHODS: Twelve healthy men were submitted to a 3-day DI. Fasting blood was collected during pre-immersion phase for the determination of the baseline data collection (BDC), daily during DI (DI24h, DI48H and DI72h), then after recovery (R+3h and R+24h)...
2017: PloS One
https://www.readbyqxmd.com/read/28806319/transient-segmental-enhancement-of-pyogenic-liver-abscess-a-comparison-between-contrast-enhanced-ultrasound-and-computed-tomography
#9
Kun Sun, Wei Zhu, Yan Luo, Yongzhong Li, Xiang Zhou
OBJECTIVE: This study aimed to investigate the correlation between the transient segmental enhancement (TSE) of liver abscesses on contrast-enhanced ultrasound (CEUS) imaging and contrast-enhanced computed tomography (CT) scans. METHODS: In total, 42 abscesses in 38 patients were evaluated with real-time CEUS and contrast-enhanced CT imaging. The CT imaging and CEUS examinations were performed within one to 2 days of each other in all cases. The initial reports of the observations of TSE on CEUS scans were correlated later with the findings of TSE on contrast-enhanced CT images...
August 12, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28806309/single-center-experience-of-over-a-hundred-implantations-of-a-transcutaneous-bone-conduction-device
#10
Panagiotis A Dimitriadis, Daniel Hind, Kay Wright, Vicki Proctor, Larissa Greenwood, Suzanne Carrick, Jaydip Ray
OBJECTIVE: To assess outcomes with a novel passive transcutaneous bone conduction device (t-BCD). STUDY DESIGN: Prospective data collection and patient review. SETTING: Tertiary referral center. PATIENTS: Patients who underwent implantation with the t-BCD between November 2013 and September 2016. INTERVENTION: Implantation of BAHA Attract. MAIN OUTCOME MEASURES: Surgical outcome, patient reported outcomes including the "Glasgow Benefit Inventory" and the "Client Oriented Scale of Improvement" for adults and the "Speech, Spatial and Qualities of Hearing scale" (SSQ-12) for children...
August 10, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28806298/effect-of-cyproheptadine-on-weight-and-growth-velocity-in-children-with-silver-russell-syndrome
#11
Anaïs Lemoine, Madeleine D Harbison, Jennifer Salem, Patrick Tounian, Irène Netchine, Béatrice Dubern
OBJECTIVES: Nutritional management of children with Silver-Russell syndrome (SRS) is crucial, especially before initiating growth hormone therapy (GHT). Since cyproheptadine (CYP) has been reported to be orexigenic, we retrospectively investigated the effects of CYP on changes in weight and height in SRS patients. METHODS: Anthropometric parameters (weight [W], length or height [H], relative body weight for height [W/H] and body mass index [BMI]) were recorded for 34 children with SRS receiving CYP...
August 11, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28806110/-anteposition-in-malignant-hematologic-diseases-of-siblings-in-szabolcs-szatm%C3%A3-r-bereg-county-hungary-analysis-of-data-of-a-34-year-period
#12
János Jakó, László Szerafin
INTRODUCTION: In their previous works, the authors reported findings from familial hematologic malignancies in Szabolcs-Szatmár-Bereg county, Hungary. So far there are no other studies on this topic available in Hungary. AIM: Detailed analysis of epidemiologic features of hematologic malignancies of siblings. METHOD: During a 34-year period (between January 1, 1983 and December 31, 2016), 86 families with hematologic malignancies were recorded in Szabolcs-Szatmár-Bereg county...
August 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28806102/effects-of-alcohol-consumption-on-blood-pressure-in-hypertensive-women
#13
Naomi Deirdre Lakshmi Fisher, Endel John Orav, Grace Chang
BACKGROUND: Problem drinking carries significant health burdens, including an increased risk of hypertension. The effect of chronic alcohol intake on blood pressure (BP) in women is understudied and poorly understood. OBJECTIVES: We sought to examine the relationships between drinking habits and BP in hypertensive women. METHODS: We analyzed drinking habits in 113 women followed in the Brigham and Women's Hospital Hypertension Clinic for at least one year...
August 14, 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/28806069/oxidation-kinetics-of-bromophenols-by-nonradical-activation-of-peroxydisulfate-in-the-presence-of-carbon-nanotube-and-formation-of-brominated-polymeric-products
#14
Chao-Ting Guan, Jin Jiang, Cong-Wei Luo, Jun Ma, Su-Yan Pang, Yang Zhou, Yi Yang
This work demonstrated that bromophenols (BrPs) could be readily oxidized by peroxydisulfate (PDS) activated by a commercial carbon nanotube (CNT), while furfuryl alcohol (a chemical probe for singlet oxygen (1O2)) was quite refractory. Results obtained by radical quenching experiments, electron paramagnetic resonance spectroscopy, and Fourier transform infrared spectroscopy further confirmed the involvement of nonradical PDS-CNT complexes rather than 1O2. Bicarbonate and chloride ion exhibited negligible impacts on BrPs degradation by the PDS/CNT system, while a significant inhibitory effect was observed for natural organic matter...
August 14, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28806052/one-step-nanoscale-electrohydrodynamic-inkjet-three-dimensional-printing-technique-with-spontaneous-joule-heating
#15
Bin Zhang, Baekhoon Seong, Jaehyun Lee, VuDat Nguyen, DaeHyun Cho, Doyoung Byun
A one-step nanoscale electrohydrodynamic (EHD) inkjet three-dimensional (3D)-printing technique that is based on the drop-on-demand (DOD) operation for which an additional post-sintering process is not required is proposed. Both the numerical simulation and the experimental observations proved that nanoscale Joule heating occurs at the interface between the charged silver nanoparticles (Ag-NPs) because of the high electrical contact resistance during the printing process; this is the reason why an additional post-sintering process is not required...
August 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28805925/evaluation-of-the-prevalence-of-digital-dermatitis-and-the-effects-on-performance-in-beef-feedlot-cattle-under-organic-trace-mineral-supplementation
#16
M Kulow, P Merkatoris, K S Anklam, J Rieman, C Larson, M Branine, D Döpfer
Bovine digital dermatitis (DD) is a contagious and multifactorial disease that leads to painful, ulcerative lesions of the skin near the heel-horn border of the foot, most commonly in dairy cattle. With regard to beef cattle, the pathogenesis and etiology of DD has not been widely reported or studied over the past several decades. A longitudinal field trial in a commercial feedlot was conducted to compare prevalence and effects of DD in beef steers provided a diet supplemented with a novel formulation of inorganic and organic trace mineral sources (OTM diet) compared to a diet provided with similar levels of trace minerals solely from inorganic sources (CON diet)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805919/cows-exposed-to-heat-stress-during-fetal-life-exhibit-improved-thermal-tolerance
#17
B M S Ahmed, U Younas, T O Asar, S Dikmen, P J Hansen, G E Dahl
Maternal heat stress during late gestation affects calf function during postnatal life. The objective of the present study was to evaluate whether calves that experience heat stress in utero have altered thermoregulatory responses to acute heat stress later in life. Specifically, the hypothesis was that heat stress in utero would improve the response to acute heat stress at maturity. Females were born to dams exposed to heat stress or cooled during late gestation preceding their birth. All animals were raised postnatally under identical management...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805850/dispersible-oxygen-microsensors-map-oxygen-gradients-in-three-dimensional-cell-cultures
#18
Sasha Cai Lesher-Pérez, Ge-Ah Kim, Chuan-Hsien Kuo, Brendan M Leung, Sanda Mong, Taisuke Kojima, Christopher Moraes, M D Thouless, Gary D Luker, Shuichi Takayama
Phase fluorimetry, unlike the more commonly used intensity-based measurement, is not affected by differences in light paths from culture vessels or by optical attenuation through dense 3D cell cultures and hydrogels thereby minimizing dependence on signal intensity for accurate measurements. This work describes the use of phase fluorimetry on oxygen-sensor microbeads to perform oxygen measurements in different microtissue culture environments. In one example, cell spheroids were observed to deplete oxygen from the cell-culture medium filling the bottom of conventional microwells within minutes, whereas oxygen concentrations remained close to ambient levels for several days in hanging-drop cultures...
August 14, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28805817/room-temperature-current-blockade-in-atomically-defined-single-cluster-junctions
#19
Giacomo Lovat, Bonnie Choi, Daniel W Paley, Michael L Steigerwald, Latha Venkataraman, Xavier Roy
Fabricating nanoscopic devices capable of manipulating and processing single units of charge is an essential step towards creating functional devices where quantum effects dominate transport characteristics. The archetypal single-electron transistor comprises a small conducting or semiconducting island separated from two metallic reservoirs by insulating barriers. By enabling the transfer of a well-defined number of charge carriers between the island and the reservoirs, such a device may enable discrete single-electron operations...
August 14, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28805751/characterization-of-quadratic-nonlinearity-between-motion-artifact-and-acceleration-data-and-its-application-to-heartbeat-rate-estimation
#20
Sunho Kim, Sungbin Im, Taehyung Park
Accelerometers are applied to various applications to collect information about movements of other sensors deployed at diverse fields ranging from underwater area to human body. In this study, we try to characterize the nonlinear relationship between motion artifact and acceleration data. The cross bicoherence test and the Volterra filter are used as the approaches to detection and modeling. We use the cross bicoherence test to directly detect in the frequency domain and we indirectly identify the nonlinear relationship by improving the performance of eliminating motion artifact in heartbeat rate estimation using a nonlinear filter, the second-order Volterra filter...
August 14, 2017: Sensors
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