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https://www.readbyqxmd.com/read/29912877/low-cost-three-dimensional-printed-phantom-for-neuraxial-anesthesia-training-development-and-comparison-to-a-commercial-model
#1
Azad Mashari, Mario Montealegre-Gallegos, Jelliffe Jeganathan, Lu Yeh, Joshua Qua Hiansen, Massimiliano Meineri, Feroze Mahmood, Robina Matyal
METHODS: Anonymized CT DICOM data was segmented to create a 3D model of the lumbar spine. The 3D model was modified, placed inside a digitally designed housing unit and fabricated on a desktop 3D printer using polylactic acid (PLA) filament. The model was filled with an echogenic solution of gelatin with psyllium fiber. Twenty-two staff anesthesiologists performed a spinal and epidural on the 3D printed simulator and a commercially available Simulab phantom. Participants evaluated the tactile and ultrasound imaging fidelity of both phantoms via Likert-scale questionnaire...
2018: PloS One
https://www.readbyqxmd.com/read/29909060/quantification-of-bone-microstructure-in-the-wrist-using-cone-beam-computed-tomography
#2
Karen Mys, Filip Stockmans, Evie Vereecke, G Harry van Lenthe
Due to the rising life expectancy, bone diseases (e.g. osteoporosis, osteoarthritis) and trauma (e.g. fracture) have become an important socio-economic burden. Accurate visualization and quantification of the bone microstructure in vivo is seen as an important step to enhance diagnosis and treatment. Micro-computed tomography (microCT) has become the gold standard in three-dimensional (3D) imaging of trabecular bone structure. Yet, usage is limited to ex vivo analyses, hence, it cannot be used to evaluate bone and bone adaptive responses in a patient...
June 14, 2018: Bone
https://www.readbyqxmd.com/read/29908801/housing-management-characteristics-and-factors-associated-with-lameness-hock-lesion-and-hygiene-of-lactating-dairy-cattle-on-upper-midwest-united-states-dairy-farms-using-automatic-milking-systems
#3
James A Salfer, Justin M Siewert, Marcia I Endres
The objectives of this cross-sectional study were to describe housing and management practices on farms using automatic milking systems (AMS) in 2 states of the upper Midwest and to evaluate the association of various housing and management factors with 3 measures of animal welfare: prevalence of lameness, severe hock lesions, and dirty cows. Fifty-four farms were visited once to collect facility measurements and observations, interview the dairy producer, and score cows for locomotion, hock lesions, and hygiene...
June 13, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29904762/user-defined-local-stimulation-of-live-tissue-through-a-movable-microfluidic-port
#4
Megan A Catterton, Austin F Dunn, Rebecca R Pompano
Many in vivo tissue responses begin locally, yet most in vitro stimuli are delivered globally. Microfluidics has a unique ability to provide focal stimulation to tissue samples with precise control over fluid location, flow rate, and composition. However, previous devices utilizing fixed ports beneath the tissue required manual alignment of the tissue over the ports, increasing the risk of mechanical damage. Here we present a novel microfluidic device that allows the user to define the location of fluid delivery to a living tissue slice without manipulating the tissue itself...
June 15, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/29900795/evaluating-allostatic-load-a-new-approach-to-measuring-long-term-stress-in-wildlife
#5
Ashley N Edes, Barbara A Wolfe, Douglas E Crews
  Animal welfare, conservation, and stress assessment are all critical components of species survival. As organisms experience stressors, they accumulate physiologic dysregulation, leading to multiple negative health outcomes. This brief review suggests measuring the degree of stress-induced damage, known as allostatic load, and then using allostatic load to evaluate changes implemented to improve animal welfare and conservation efforts. Over the past two decades, human clinical research has developed multiple allostatic load indices constructed from composites of neuroendocrine, cardiovascular, metabolic, and immune biomarkers...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29891011/an-intervention-to-support-stroke-survivors-and-their-carers-in-the-longer-term-lots2care-study-protocol-for-a-cluster-randomised-controlled-feasibility-trial
#6
Anne Forster, Suzanne Hartley, Lorna Barnard, Seline Ozer, Natasha Hardicre, Tom Crocker, Marie Fletcher, Lauren Moreau, Ross Atkinson, Claire Hulme, Ivana Holloway, Laetitia Schmitt, Allan House, Jenny Hewison, Gillian Richardson, Amanda Farrin
BACKGROUND: Despite the evidence that many stroke survivors report longer term unmet needs, the provision of longer term care is limited. To address this, we are conducting a programme of research to develop an evidence-based and replicable longer term care strategy. The developed complex intervention (named New Start), which includes needs identification, exploration of social networks and components of problem solving and self-management, was designed to improve quality of life by addressing unmet needs and increasing participation...
June 11, 2018: Trials
https://www.readbyqxmd.com/read/29889888/malaria-vector-abundance-is-associated-with-house-structures-in-baringo-county-kenya
#7
Isabella M Ondiba, Florence A Oyieke, George O Ong'amo, Macrae M Olumula, Isaac K Nyamongo, Benson B A Estambale
Malaria, a major cause of morbidity and mortality, is the most prevalent vector borne disease in Baringo County; a region which has varied house designs in arid and semi-arid areas. This study investigated the association between house structures and indoor-malaria vector abundance in Baringo County. The density of malaria vectors in houses with open eaves was higher than that for houses with closed eaves. Grass thatched roof houses had higher density of malaria vectors than corrugated iron sheet roofs. Similarly, mud walled houses had higher vector density than other wall types...
2018: PloS One
https://www.readbyqxmd.com/read/29887668/a-data-colocation-grid-framework-for-big-data-medical-image-processing-backend-design
#8
Shunxing Bao, Yuankai Huo, Prasanna Parvathaneni, Andrew J Plassard, Camilo Bermudez, Yuang Yao, Ilwoo Lyu, Aniruddha Gokhale, Bennett A Landman
When processing large medical imaging studies, adopting high performance grid computing resources rapidly becomes important. We recently presented a "medical image processing-as-a-service" grid framework that offers promise in utilizing the Apache Hadoop ecosystem and HBase for data colocation by moving computation close to medical image storage. However, the framework has not yet proven to be easy to use in a heterogeneous hardware environment. Furthermore, the system has not yet validated when considering variety of multi-level analysis in medical imaging...
March 2018: Proceedings of SPIE
https://www.readbyqxmd.com/read/29885118/-implementation-of-wearable-terminal-used-for-dynamic-ecg-real-time-monitoring-based-on-internet-of-things
#9
Ming Tang, Jian Yao, Zekuan Chen, Hai Huang, Chenge Geng
Electrocardiogram (ECG) detection is a routine and effective cardiac problem detection project. Traditional electrocardiogram detection has limitations in cardiac arrhythmia and other heart disease detection and diagnosis, such as effectiveness, real-time and so on. Based on the advanced mobile networking and wearable design concept, this paper designs and implements a dynamic ECG real-time monitoring system with low power embedded system and Bluetooth 4.0 wireless communication. Its main functions include 24-hour dynamic ECG signal real-time acquisition, processing, wireless communication, display and storage, real-time analysis of typical arrhythmia, recording and alarm, professional doctors real-time reading and diagnosis, dynamic ECG sharing and cloud platform automatic analysis and diagnosis...
May 30, 2018: Zhongguo Yi Liao Qi Xie za Zhi, Chinese Journal of Medical Instrumentation
https://www.readbyqxmd.com/read/29884176/household-level-and-surrounding-peri-domestic-environmental-characteristics-associated-with-malaria-vectors-anopheles-arabiensis-and-anopheles-funestus-along-an-urban-rural-continuum-in-blantyre-malawi
#10
Nicole F Dear, Chifundo Kadangwe, Themba Mzilahowa, Andy Bauleni, Don P Mathanga, Chifundo Duster, Edward D Walker, Mark L Wilson
BACKGROUND: Malaria is increasing in some recently urbanized areas that historically were considered lower risk. Understanding what drives urban transmission is hampered by inconsistencies in how "urban" contexts are defined. A dichotomized "urban-rural" approach, based on political boundaries may misclassify environments or fail to capture local drivers of risk. Small-scale agriculture in urban or peri-urban settings has been shown to be a major risk determinant. METHODS: Household-level Anopheles abundance patterns in and around Malawi's commercial capital of Blantyre (~ 1...
June 8, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29883047/a-comparative-workforce-study-of-midwives-practicing-in-the-state-of-texas
#11
Rebecca H Burpo, Priscilla M Nodine, Marie Hastings-Tolsma, Mary C Brucker, Jackie Griggs, Sarah Wilcox, Barbara D Camune, Tiffany Callahan
INTRODUCTION: Access to quality care is a problem in Texas, an ethnically diverse state with large birth numbers. The state has over 300 areas designated as medically underserved, and a severe lack of obstetricians and midwives. Minimal data exist on midwifery's contribution, and no known study compares the work environment and clinical practice of the 2 state-recognized midwifery paths, licensed midwives (LMs) and certified nurse-midwives (CNMs). The purpose of this study was to determine the differences in practice by CNMs and LMs, the latter of whom are generally certified professional midwives...
June 8, 2018: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/29880467/integrating-electronic-patient-reported-outcome-measures-into-routine-hiv-care-and-the-anrs-co3-aquitaine-cohort-s-data-capture-and-visualization-system-qualiv-protocol-for-a-formative-research-study
#12
Diana Barger, Olivier Leleux, Valérie Conte, Vincent Sapparrart, Marie Gapillout, Isabelle Crespel, Marie Erramouspe, Sandrine Delveaux, Francois Dabis, Fabrice Bonnet
BACKGROUND: Effective antiretroviral therapy has greatly reduced HIV-related morbidity and mortality, dramatically changing the demographics of the population of people living with HIV. The majority of people living with HIV in France are well cared for insofar as their HIV infection is concerned but remain at risk for age-associated comorbidities. Their long-term, potentially complex, and growing care needs make the routine, longitudinal assessment of health-related quality of life and other patient-reported outcomes of relevance in the current treatment era...
June 7, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29879978/evaluating-the-impact-of-the-national-health-insurance-scheme-of-ghana-on-out-of-pocket-expenditures-a-systematic-review
#13
Juliet Okoroh, Samuel Essoun, Anthony Seddoh, Hobart Harris, Joel S Weissman, Lydia Dsane-Selby, Robert Riviello
BACKGROUND: Approximately 150 million people suffer from financial catastrophe annually because of out-of-pocket expenditures (OOPEs) on health. Although the National Health Insurance Scheme (NHIS) of Ghana was designed to promote universal health coverage, OOPEs as a proportion of total health expenditures remains elevated at 26%, exceeding the WHO's recommendations of less than 15-20%. To determine whether enrollment in the NHIS reduces the likelihood of OOPEs and catastrophic health expenditures (CHEs) in Ghana, we undertook a systematic review of the published literature...
June 7, 2018: BMC Health Services Research
https://www.readbyqxmd.com/read/29876792/a-modified-in-situ-method-to-determine-release-from-a-complex-drug-carrier-in-particle-rich-suspensions
#14
Caroline Alvebratt, Ocean Cheung, Maria Strømme, Christel A S Bergström
Effective and compound-sparing methods to evaluate promising drug delivery systems are a prerequisite for successful selection of formulations in early development stages. The aim of the study was to develop a small-scale in situ method to determine drug release and supersaturation in highly concentrated suspensions of enabling formulations. Mesoporous magnesium carbonate (MMC), which delivers the drug in an amorphous form, was selected as a drug carrier. Five model compounds were loaded into the MMC at a 1:10 ratio using a solvent evaporation technique...
June 6, 2018: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29874835/floor-feeding-sows-their-daily-allocation-over-multiple-drops-per-day-does-not-result-in-more-equitable-feeding-opportunities-in-later-drops
#15
Megan Verdon, Natalia Zegarra, Rutu Achayra, Paul H Hemsworth
This research studied whether floor feeding group-housed sows their daily allocation over multiple feed drops per day provides more equitable feeding opportunities in later drops. Over four time replicates, 275 sows were mixed into groups of 10 for both their first and second gestations (200 sows/gestation, 126 sows observed in both gestations). The feeding behavior of individual sows was recorded for 10 min following each of four feed drops per day (0730, 0900, 1100, 1500 h) on days 2, 9 and 51 post-mixing...
June 5, 2018: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/29868352/active-design-in-affordable-housing-a-public-health-nudge
#16
Elizabeth Garland, Victoria Garland, Dominique Peters, John Doucette, Erin Thanik, Sritha Rajupet, Sadie H Sanchez
This pilot study investigates the impact of active design (AD) strategies on physical activity (PA) among adults living in two Leadership in Energy and Environmental Design (LEED) certified affordable housing developments in the South Bronx, New York. One building incorporates LEED Innovation in Design (ID) Credit: Design for Health through Increased Physical Activity. Tenants in an affordable housing building (AH) incorporating active design strategies completed PA self-assessments at their lease signing and one year later in 2015...
June 2018: Preventive Medicine Reports
https://www.readbyqxmd.com/read/29866270/a-film-based-integrated-chip-for-gene-amplification-and-electrochemical-detection-of-pathogens-causing-foodborne-illnesses
#17
Yoo Min Park, Sun Young Lim, Su Jeong Shin, Chi Hyun Kim, Soon Woo Jeong, Seol Yi Shin, Nam Ho Bae, Seok Jae Lee, Jeongkyeong Na, Gyoo Yeol Jung, Tae Jae Lee
Given the increased interest in public hygiene due to outbreaks of food poisoning, increased emphasis has been placed on developing novel monitoring systems for point-of-care testing (POCT) to evaluate pathogens causing foodborne illnesses. Here, we demonstrate a pathogen evaluation system utilizing simple film-based microfluidics, featuring simultaneous gene amplification, solution mixing, and electrochemical detection. To minimize and integrate the various functionalities into a single chip, patterned polyimide and polyester films were mainly used on a polycarbonate housing chip, allowing simple fabrication and alignment, in contrast to conventional polymerase chain reaction, which requires a complex biosensing system at a bench-top scale...
October 16, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29864874/low-noise-874-ghz-receivers-for-the-international-submillimetre-airborne-radiometer-ismar
#18
A Hammar, P Sobis, V Drakinskiy, A Emrich, N Wadefalk, J Schleeh, J Stake
We report on the development of two 874 GHz receiver channels with orthogonal polarizations for the International Submillimetre Airborne Radiometer. A spline horn antenna and dielectric lens, a Schottky diode mixer circuit, and an intermediate frequency (IF) low noise amplifier circuit were integrated in the same metallic split block housing. This resulted in a receiver mean double sideband (DSB) noise temperature of 3300 K (minimum 2770 K, maximum 3400 K), achieved at an operation temperature of 40 °C and across a 10 GHz wide IF band...
May 2018: Review of Scientific Instruments
https://www.readbyqxmd.com/read/29864852/electro-mechanical-probe-positioning-system-for-large-volume-plasma-device
#19
A K Sanyasi, R Sugandhi, P K Srivastava, Prabhakar Srivastav, L M Awasthi
An automated electro-mechanical system for the positioning of plasma diagnostics has been designed and implemented in a Large Volume Plasma Device (LVPD). The system consists of 12 electro-mechanical assemblies, which are orchestrated using the Modbus communication protocol on 4-wire RS485 communications to meet the experimental requirements. Each assembly has a lead screw-based mechanical structure, Wilson feed-through-based vacuum interface, bipolar stepper motor, micro-controller-based stepper drive, and optical encoder for online positioning correction of probes...
May 2018: Review of Scientific Instruments
https://www.readbyqxmd.com/read/29864163/investigation-of-protein-quaternary-structure-via-stoichiometry-and-symmetry-%C3%A4-nformation
#20
Selcuk Korkmaz, Jose M Duarte, Andreas Prlić, Dincer Goksuluk, Gokmen Zararsiz, Osman Saracbasi, Stephen K Burley, Peter W Rose
The Protein Data Bank (PDB) is the single worldwide archive of experimentally-determined three-dimensional (3D) structures of proteins and nucleic acids. As of January 2017, the PDB housed more than 125,000 structures and was growing by more than 11,000 structures annually. Since the 3D structure of a protein is vital to understand the mechanisms of biological processes, diseases, and drug design, correct oligomeric assembly information is of critical importance. Unfortunately, the biologically relevant oligomeric form of a 3D structure is not directly obtainable by X-ray crystallography, whilst in solution methods (NMR or single particle EM) it is known from the experiment...
2018: PloS One
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