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https://www.readbyqxmd.com/read/28325025/comparison-between-users-of-a-new-methodology-for-heart-sound-auscultation
#1
Ana Castro, Pedro Gomes, Sandra S Mattos, Miguel T Coimbra
Auscultation is a routine exam and the first line of screening in heart pathologies. The objective of this study was to assess if using a new data collection system, the DigiScope Collector, with a guided and automatic annotation of heart auscultation, different levels of expertise/experience users could collect similar digital auscultations. Data were collected within the Heart Caravan Initiative (Paraíba, Brasil). Patients were divided into two study groups: Group 1 evaluated by a third year medical student (User 1), and an experienced nurse (User 2); Group 2 evaluated by User 2 and an Information Technology professional (User 3)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324836/pahs-behavior-in-surface-water-and-groundwater-of-the-yellow-river-estuary-evidence-from-isotopes-and-hydrochemistry
#2
Jing Li, Fadong Li, Qiang Liu
Large-scale irrigation projects have impacted the regional surface-groundwater interactions in the North China Plain (NCP). Given this concern, the aim of this study is to evaluate levels of PAH pollution, identify the sources of the PAHs, analyze the influence of surface-groundwater interactions on PAH distribution, and propose urgent management strategies for PAHs in China's agricultural areas. PAH concentrations, hydrochemical indicators and stable isotopic compositions (δ(18)O and δ(2)H) were determined for surface water (SW) and groundwater (GW) samples...
March 18, 2017: Chemosphere
https://www.readbyqxmd.com/read/28324809/the-internet-as-a-source-of-information-used-by-women-after-childbirth-to-meet-their-need-for-information-a-web-based-survey
#3
J Slomian, O Bruyère, J Y Reginster, P Emonts
OBJECTIVE: the aims of this survey were: (a) to evaluate the need of information after childbirth and what questions do 'new' mothers ask themselves; (b) to assess why and how women use the Internet to meet their need of information; (c) to describe how the respondents evaluate the reliability of the information found; (d) to understand how the information found on the Internet affects women's decision-making; and (e) to appreciate how health professionals react to the information found by the women...
March 14, 2017: Midwifery
https://www.readbyqxmd.com/read/28324647/metabolism-and-distribution-of-clozapine-n-oxide-implications-for-nonhuman-primate-chemogenetics
#4
Jessica Raper, J Scott Daniels, Ryan D Morrison, Leonard Howell, Jocelyne Bachevalier, Thomas Wichmann, Adriana Galvan
The use of Designer Receptors Exclusively Activated by Designer Drugs (DREADDs) in neuroscience has rapidly expanded in rodent studies, but has lagged behind in nonhuman primate (NHP) experiments, slowing the development of this method for therapeutic use in humans. One reason for the slow adoption of DREADD technology in primates is that the pharmacokinetic properties and bioavailability of clozapine-n-oxide (CNO), the most commonly used ligand for human muscarinic (hM) DREADDs, are not fully described in primates...
March 21, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28324249/evaluation-of-organic-amendment-on-the-effect-of-cadmium-bioavailability-in-contaminated-soils-using-the-dgt-technique-and-traditional-methods
#5
EDITORIAL
Yu Yao, Qin Sun, Chao Wang, Pei-Fang Wang, Shi-Ming Ding
Organic amendments have been widely proposed as a remediation technology for metal-contaminated soils, but there exist controversial results on their effectiveness. In this study, the effect of pig manure addition on cadmium (Cd) bioavailability in Cd-contaminated soils was systematically evaluated by one dynamic, in situ technique of diffusive gradients in thin films (DGT) and four traditional methods based on the equilibrium theory (soil solution concentration and the three commonly used extractants, i.e...
March 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28323693/assessment-of-vertebral-curves-using-the-manual-post-it-technique
#6
Brian P Gladnick, Joseph J Schreiber, Chad R Ishmael, Benjamin T Bjerke-Kroll, Matthew E Cunningham
STUDY DESIGN: A prospective study of a new technique. OBJECTIVE: The aims of this study were to report a manual technique for measuring vertebral curves on digital spine radiographs, and to assess the agreement of this technique with that of digital software for measuring vertebral curves. SUMMARY OF BACKGROUND DATA: Modern picture archiving and communication systems (PACS) typically include software for evaluating radiographic measurements...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323584/evidence-for-gz-adaptation-observed-with-wearable-biosensors-during-high-performance-jet-flight
#7
G Merrill Rice, Dallas Snider, Jeffrey L Moore, J Timothy Lavan, Rich Folga, Thomas B VanBrunt
INTRODUCTION: Few studies have evaluated physiological responses to high acceleration forces during actual flight and to our knowledge no normative data has been acquired by technologies such as wearable biosensors during high performance jet aircraft operations. METHODS: In-flight physiological data from an FDA cleared portable triaxial accelerometer and bio-sensor were observed from five active duty F-18 pilots of the Naval Flight Demonstration Squadron (Blue Angels)...
December 1, 2016: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28323447/injury-mitigation-estimates-for-an-intersection-driver-assistance-system-in-straight-crossing-path-crashes-in-the-u-s
#8
John M Scanlon, Rini Sherony, Hampton C Gabler
OBJECTIVE: Accounting for one-fifth of all crashes and one-sixth of all fatal crashes in the U.S., intersection crashes are among the most frequent and fatal crash modes. Intersection Advanced Driver Assistance Systems (I-ADAS) are emerging vehicle-based active safety systems that aim to help drivers safely navigate intersections. The objective of this study was to estimate the number of crashes and number of vehicles with a seriously injured driver (MAIS3+) that could be prevented or reduced if, for every straight crossing path (SCP) intersection crash, one of the vehicles had been equipped with an I-ADAS...
March 21, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28323444/evaluating-driver-drowsiness-countermeasures
#9
John G Gaspar, Timothy L Brown, Chris W Schwarz, John D Lee, Julie Kang, James S Higgins
Objective Driver drowsiness contributes to a substantial number of fatal and non-fatal crashes, with recent estimates attributing up to 21% of fatal crashes to drowsiness. This paper describes recent NHTSA research on in-vehicle drowsiness countermeasures. Recent advances in technology and state detection algorithms have shown success in detecting drowsiness using a variety of data sources, including camera-based eye tracking, steering wheel position, yaw rate, and vehicle lane position. However, detection is just the first step in reducing drowsy driving crashes...
March 21, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28319889/the-evolution-of-environmental-metalloproteomics-over-the-last-15-years-through-bibliometric-techniques
#10
Rachel Ann Hauser-Davis, Renato Matos Lopes, Fábio Batista Mota, Josino Costa Moreira
Metalloproteomic studies in environmental scenarios are of significant value in elucidating metal uptake, trafficking, accumulation and metabolism linked to biomolecules in biological systems. The advent of this field occurred in the early 2000s, and it has since become an interesting and growing area of interdisciplinary research, although the number of publications in Environmental Metalloprotemics is still very low compared to other metallomic areas. In this context, the evolution of Environmental Metalloprotemics in the last decades was evaluated herein through the use of bibliometric techniques, identifying variables that may aid researchers in this area to form collaborative networks with established scientists in this regard, such as main authors, published articles, institutions, countries and established collaborations involved in academic research on this subject...
March 15, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28319783/development-of-an-evaluation-framework-for-publicly-funded-r-d-projects-the-case-of-korea-s-next-generation-network
#11
Eungdo Kim, Soyoung Kim, Hongbum Kim
For decades, efforts have been made globally to measure the performance of large-scale public projects and to develop a framework to perform such measurements due to the complexity and dynamics of R&D and stakeholder interests. Still, limitations such as the use of a simply modified model and the lack of a comprehensive viewpoint are prevalent in existing approaches. In light of these research gaps, this study suggests a practical model to evaluate the performance of large-scale and publicly funded projects...
February 28, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28319742/biochar-provides-a-safe-and-value-added-solution-for-hyperaccumulating-plant-disposal-a-case-study-of-phytolacca-acinosa-roxb-phytolaccaceae
#12
Shengsen Wang, Bin Gao, Yuncong Li, Yong Sik Ok, Chaofeng Shen, Shengguo Xue
In this work, an innovative approach using biochar technology for hyperaccumulator disposal was developed and evaluated. The heavy metal enriched P. acinosa biomass (PBM) was pyrolyzed to produce biochar (PBC). Both PBM and PBC were characterized with X-ray diffraction (XRD) for crystal phases, scanning electron microscopy (SEM) for surface topography, and analyzed for elemental composition and mobility. The results revealed that whewellite, a dominant crystal form in biomass, was decomposed to calcite after pyrolysis...
February 27, 2017: Chemosphere
https://www.readbyqxmd.com/read/28319719/year-round-phytofiltration-lagoon-assessment-using-pistia-stratiotes-within-a-pilot-plant-scale-biorefinery
#13
Eugenia J Olguín, Daniel A García-López, Ricardo E González-Portela, Gloria Sánchez-Galván
Phytofiltration lagoons are phytoremediation technologies suitable for tropical and sub-tropical regions requiring cost-effective and echo-friendly technologies. A biorefinery of fourth generation has been implemented at pilot plant level in Xalapa, Mexico, and the phytofiltration lagoon, being the first module for provision of treated water and plant biomass for biofuel production plays a key role. The aim of this work was to evaluate the performance of such phytofiltration lagoon with a working volume of 13,000 L for the removal of nutrients from an urban river polluted with domestic wastewater and the biomass productivity of the macrophyte Pistia stratiotes, during five different experimental periods, comprising 42 days each one...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28319712/toxic-compounds-biodegradation-and-toxicity-of-high-strength-wastewater-treated-under-elevated-nitrogen-concentration-in-the-activated-sludge-and-membrane-bioreactor-systems
#14
Jarungwit Boonnorat, Nimaradee Boonapatcharoen, Pradthana Prachanurak, Ryo Honda, Supaporn Phanwilai
This research has assessed the removal efficiencies of toxic compounds in the high strength wastewater (the leachate and agriculture wastewater mixture) using the activated sludge (AS) and membrane bioreactor (MBR) technologies under two carbon to nitrogen (C/N) ratios (C/N 14 and 6) and two toxic compounds concentrations (8-396μg/L and 1000μg/L). In addition, the toxicity evaluations of the AS and MBR effluents to the aquatic environment were undertaken at five effluent dilution ratios (10, 20, 30, 50 and 70% v/v)...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28319560/rash-diagnostics-an-update-on-the-diagnosis-of-allergic-rashes
#15
Corinne Savides Happel
PURPOSE OF REVIEW: The purpose of this review is to summarize recent research regarding the diagnosis of allergic rashes and to suggest future directions for the promotion of accurate diagnosis and endotype specification. RECENT FINDINGS: Multiple cohort studies demonstrate that with appropriate clinical evaluation, drug allergy labels can be removed in up to 90% of cases. Genetic tests can predict severe adverse cutaneous drug reactions in some cases and in vitro tests are being sought to identify causative drugs in others...
March 17, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28319283/critically-evaluating-best-management-practices-for-preventing-freshwater-turtle-extinctions
#16
R J Spencer, J U Van Dyke, Michael B Thompson
Ex situ conservation tools, such as captive breeding for reintroduction, are considered last resort to help recover threatened or endangered species. However, they may also provide alternative strategies where reducing threats directly is difficult or ineffective. Headstarting, or captive rearing of eggs or neonate animals and subsequent release into the wild, has been controversial for decades. A major criticism is that headstarting is a symptomatic treatment of conservation problems (halfway technology), however, it may provide a mechanism to address multiple threats, particularly in close proximity of population centres...
March 20, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28319239/mobile-health-interventions-for-improving-health-outcomes-in-youth-a-meta-analysis
#17
David A Fedele, Christopher C Cushing, Alyssa Fritz, Christina M Amaro, Adrian Ortega
Importance: Mobile health interventions are increasingly popular in pediatrics; however, it is unclear how effective these interventions are in changing health outcomes. Objective: To determine the effectiveness of mobile health interventions for improving health outcomes in youth 18 years or younger. Data Sources: Studies published through November 30, 2016, were collected through PubMed, Cumulative Index to Nursing and Allied Health Literature, Educational Resources Information Center, and PsychINFO...
March 20, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28318827/measuring-the-benefits-of-using-market-based-approaches-to-provide-water-and-sanitation-in-humanitarian-contexts
#18
S Martin-Simpson, J Parkinson, E Katsou
The use of cash transfers and market based programming (CT/MBP) to increase the efficiency and effectiveness of emergency responses is gaining prominence in the humanitarian sector. However, there is a lack of existing indicators and methodologies to monitor activities designed to strengthen water and sanitation (WaSH) markets. Gender and vulnerability markers to measure the impact of such activities on different stakeholders is also missing. This study identifies parameters to monitor, evaluate and determine the added value of utilising CT/MBP to achieve WaSH objectives in humanitarian response...
March 16, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28318747/ultra-fast-quantitation-of-voriconazole-in-human-plasma-by-coated-blade-spray-mass-spectrometry
#19
Marcos Tascon, Germán Augusto Gómez-Ríos, Nathaly Reyes-Garcés, Justen Poole, Ezel Boyacı, Janusz Pawliszyn
Voriconazole is a triazole broad-spectrum antifungal medication often used to treat fungal infections caused by Aspergillus and Fusarium species. One of the main challenges associated with the implementation of this medication is its narrow therapeutic concentration range, demonstrating toxicity at concentrations above 6μg/mL and limited efficacy at concentrations below 2μg/mL. As a result, methodologies which permit the rapid and accurate quantitation of voriconazole in patients are highly desirable. In this work two different approaches based on coated blade spray directly coupled to mass spectrometry (CBS-MS) are introduced; each enabling the quantitation of voriconazole in plasma samples with a simple and fast sample preparation and no chromatographic step...
March 12, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28318443/cardiac-ct-imaging-for-ischemic-stroke-current-and-evolving-clinical-applications
#20
Jin Hur, Byoung Wook Choi
While the etiology of ischemic stroke is heterogeneous, approximately 20%-40% of all stroke cases result from cardiac or aortic origin. Transesophageal echocardiography (TEE) has become the reference standard modality for the detection of potential sources of cerebral embolism. Because of the advances in computed tomographic (CT) technology, cardiac CT can be used in the evaluation of potential cardioembolic sources. During the past decade, cardiac CT has been tested and compared with TEE for the diagnosis of cardioembolic sources...
April 2017: Radiology
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