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https://www.readbyqxmd.com/read/28931258/simulation-based-education-for-endoscopic-third-ventriculostomy-a-comparison-between-virtual-and-physical-training-models
#1
Gerben E Breimer, Faizal A Haji, Vivek Bodani, Melissa S Cunningham, Adriana-Lucia Lopez-Rios, Allan Okrainec, James M Drake
BACKGROUND: The relative educational benefits of virtual reality (VR) and physical simulation models for endoscopic third ventriculostomy (ETV) have not been evaluated "head to head." OBJECTIVE: To compare and identify the relative utility of a physical and VR ETV simulation model for use in neurosurgical training. METHODS: Twenty-three neurosurgical residents and 3 fellows performed an ETV on both a physical and VR simulation model. Trainees rated the models using 5-point Likert scales evaluating the domains of anatomy, instrument handling, procedural content, and the overall fidelity of the simulation...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931067/in-vivo-imaging-system-for-explants-analysis-a-new-approach-for-assessment-of-cell-transplantation-effects-in-large-animal-models
#2
Weronika Zarychta-Wiśniewska, Anna Burdzinska, Radosław Zagozdzon, Bartosz Dybowski, Marta Butrym, Zdzisław Gajewski, Leszek Paczek
INTRODUCTION: Despite spectacular progress in cellular transplantology, there are still many concerns about the fate of transplanted cells. More preclinical studies are needed, especially on large animal models, to bridge the translational gap between basic research and the clinic. Herein, we propose a novel approach in analysis of cell transplantation effects in large animals explants using in vivo imaging system (IVIS®) or similar equipment. MATERIAL AND METHODS: In the in vitro experiment cells labeled with fluorescent membrane dyes: DID (far red) or PKH26 (orange) were visualized with IVIS®...
2017: PloS One
https://www.readbyqxmd.com/read/28931001/an-automated-rapid-iterative-negative-geotaxis-assay-for-analyzing-adult-climbing-behavior-in-a-drosophila-model-of-neurodegeneration
#3
Wenze Cao, Li Song, Jingjing Cheng, Na Yi, Luyi Cai, Fu-de Huang, Margaret Ho
Neurodegenerative diseases are frequently associated with a progressive loss of movement ability, reduced life span, and age-dependent neurodegeneration. To understand the mechanism of these cellular events, and their causal relationships with each other, Drosophila melanogaster, with its sophisticated genetic tools and diverse behavioral features, are used as disease models for assessing neurodegenerative phenotypes. Here we describe a high-throughput method to analyze Drosophila adult negative geotaxis behavior, as an indication for possible motor defects associated with neurodegeneration...
September 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930882/reproducibility-of-bruch-s-membrane-opening-minimum-rim-width-measurements-with-spectral-domain-optical-coherence-tomography
#4
Keunheung Park, Jinmi Kim, Jiwoong Lee
PURPOSE: To evaluate the reproducibility of Bruch's membrane opening-minimum rim width (BMO-MRW) measurements obtained with Spectralis optical coherence tomography (OCT) in normal and glaucoma subjects. METHODS: In total, 123 eyes from 123 subjects (65 healthy, 58 glaucoma subjects) were included. BMO-MRW measurements were repeated three times during the same visit using Spectralis OCT. The BMO points and internal limiting membrane were identified with automated software and corrected manually when necessary...
September 19, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28930699/causal-effects-of-hiv-on-employment-status-in-low-income-settings
#5
Jessica Ochalek, Paul Revill, Bernard van den Berg
This paper estimates the causal impact of being HIV positive on individual employment status using a recursive bivariate probit with male circumcision as the instrument to overcome the endogeneity arising from simultaneity bias. The results show that being HIV positive reduces the probability of being employed by 5 percentage points among males in Uganda. The effect is greater for individuals employed in manual labor than non-manual labor. When limiting the sample to mainly individuals employed in subsistence agriculture, we find a 4 percentage point reduction in the likelihood of employment, suggesting that the effect occurs primarily through reductions in labor supply as opposed to demand...
September 8, 2017: Economics and Human Biology
https://www.readbyqxmd.com/read/28930626/pilot-study-whole-body-manual-subcutaneous-adipose-tissue-sat-therapy-improved-pain-and-sat-structure-in-women-with-lipedema
#6
Karen L Herbst, Christopher Ussery, Alyna Eekema
Background Lipedema is a common painful subcutaneous adipose tissue (SAT) disorder in women affecting the limbs. SAT therapy is a manual therapy to improve soft tissue quality. Objective Determine if SAT therapy improves pain and structure of lipedema SAT. Design Single arm prospective pilot study. Setting Academic medical center. Patients Seven women, 46 ± 5 years, weight 90 ± 19 kg, with lipedema. Intervention Twelve 90-min SAT therapy sessions over 4 weeks. Outcomes Dual X-ray absorptiometry (DXA) scans, SAT ultrasound (Vevo 2100), leg volumetrics, skin caliper assessment, tissue exam, weight, resting metabolic rate, pain assessment, lower extremity functional scale (LEFS) and body shape questionnaire (BSQ) at baseline and end of study...
September 20, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28930568/medical-imaging-diagnosis-of-early-alzheimer-s-disease
#7
Fatma El-Zahraa A El-Gamal, Mohammed M Elmogy, Mohammed Ghazal, Ahmed Atwan, Manual F Casanova, Gregory N Barnes, Ayman El-Baz, Hassan Hajjdiab
Alzheimer's disease (AD) is one of the most common neurodegenerative diseases that influences the central nervous system, often leading to dire consequences for quality of life. The disease goes through some stages mainly divided into early, moderate, and severe. Among them, the early stage is the most important as medical intervention has the potential to alter the natural progression of the condition. In practice, the early diagnosis is a challenge since the neurodegenerative changes can precede the onset of clinical symptoms by 10-15 years...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930562/alzheimer-s-disease-diagnostics-by-a-3d-deeply-supervised-adaptable-convolutional-network
#8
Ehsan Hosseini-Asl, Mohammed Ghazal, Ali Mahmoud, Ali Aslantas, Ahmed M Shalaby, Manual F Casanova, Gregory N Barnes, Georgy Gimel'farb, Robert Keynton, Ayman El-Baz
Early diagnosis is playing an important role in preventing progress of the Alzheimer's disease (AD). This paper proposes to improve the prediction of AD with a deep 3D Convolutional Neural Network (3D-CNN), which can show generic features capturing AD biomarkers extracted from brain images, adapt to different domain datasets, and accurately classify subjects with improved fine-tuning method. The 3D-CNN is built upon a convolutional autoencoder, which is pre-trained to capture anatomical shape variations in structural brain MRI scans for source domain...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930362/rapid-development-of-specialty-population-registries-and-quality-measures-from-electronic-health-record-data-an-agile-framework
#9
Vaishnavi Kannan, Jason S Fish, Jacqueline M Mutz, Angela R Carrington, Ki Lai, Lisa S Davis, Josh E Youngblood, Mark R Rauschuber, Kathryn A Flores, Evan J Sara, Deepa G Bhat, DuWayne L Willett
BACKGROUND: Creation of a new electronic health record (EHR)-based registry often can be a "one-off" complex endeavor: first developing new EHR data collection and clinical decision support tools, followed by developing registry-specific data extractions from the EHR for analysis. Each development phase typically has its own long development and testing time, leading to a prolonged overall cycle time for delivering one functioning registry with companion reporting into production. The next registry request then starts from scratch...
June 14, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28930142/study-protocol-for-a-randomized-double-blind-treatment-control-trial-comparing-the-efficacy-of-a-micronutrient-formula-to-a-single-vitamin-supplement-in-the-treatment-of-premenstrual-syndrome
#10
Hannah Retallick-Brown, Julia Rucklidge, Neville Blampied
Background: The recent addition of Premenstrual Dysphoric Disorder (PMDD) to the Diagnostic and Statistical Manual (5th ed.) has highlighted the seriousness of this disorder. Many alternatives to psychoactive medication in the form of vitamins, minerals, and plant extracts have been trialled by women seeking a natural treatment approach. We plan to explore whether a well validated micronutrient formula, EMPowerplus Advanced, can outperform a recognized single nutrient treatment, vitamin B6, for the treatment of Premenstrual Syndrome (PMS)...
December 7, 2016: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929993/reduced-claw-vacuum-and-b-phase-during-low-milk-flow-does-not-impact-oxytocin-release-and-milking-performance
#11
Anna-Lena Neuheuser, Ann-Catherine Schwinn, Olga Wellnitz, Lorenzo E Hernández-Castellano, Rupert M Bruckmaier
Oxytocin release, milking characteristics, and teat condition were investigated with reduced claw vacuum and pulsation settings compared to milking at regular settings with or without pre-stimulation. The reduced vacuum and pulsation settings during low milk flow are expected to protect the teat tissue before the occurrence of milk ejection at the start of milking, and at the end of milking during a potential overmilking period, i.e. at a milk flow <200 g/min. Seven cows were machine-milked either after a 60 s manual pre-stimulation, or without pre-stimulation and reduced vacuum and pulsation settings, or at full vacuum and normal pulsation during the start of milking...
September 20, 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28929971/medisyn-uncertainty-aware-visualization-of-multiple-biomedical-datasets-to-support-drug-treatment-selection
#12
Chen He, Luana Micallef, Zia-Ur-Rehman Tanoli, Samuel Kaski, Tero Aittokallio, Giulio Jacucci
BACKGROUND: Dispersed biomedical databases limit user exploration to generate structured knowledge. Linked Data unifies data structures and makes the dispersed data easy to search across resources, but it lacks supporting human cognition to achieve insights. In addition, potential errors in the data are difficult to detect in their free formats. Devising a visualization that synthesizes multiple sources in such a way that links between data sources are transparent, and uncertainties, such as data conflicts, are salient is challenging...
September 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28929829/quantitative-sensory-testing-for-assessment-of-somatosensory-function-in-human-oral-mucosa-a-review
#13
Pin Zhou, Yaming Chen, Jinglu Zhang, Kelun Wang, Peter Svensson
OBJECTIVE: This narrative review provides an overview of the quantitative sensory testing (QST) to assess somatosensory function in human oral mucosa. MATERIAL AND METHODS: A literature search was conducted in the PubMed database to identify studies in vivo on human oral mucosa using QST methods. A list of 149 articles was obtained and screened. A total of 36 relevant articles remained and were read in full text. Manual search of the reference lists identified eight additional relevant studies...
September 20, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28929667/-efficacy-and-safety-of-danhong-injection-for-idiopathic-pulmonary-fibrosis%C3%AF-meta-analysis
#14
Li-Li Xin, Miao Jiang, Geng Zhang, Jie-Ning Gong
To systematically review the efficacy and safety of Danhong injection for patients with idiopathic pulmonary fibrosis(IPF), two researchers electronically searched PubMed, EMbase, Web of Science, Cochrane Library, CNKI, CBM, WanFang Data and VIP databases from the date of establishment to May 2016 for all randomized controlled trials(RCTs) and quasi-RCTs on the use of Danhong injection in patients with IPF. Manual search in relevant journals and search of relevant literature on other websites were also performed...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929655/-a-semimicroquality-evaluation-method-on-panax-notoginseng-and-its-application-in-analysis-of-continuous-cropping-obstacles-research-samples
#15
Yi Cao, Chao-Qun Wang, Feng Xu, Xiu-Hong Jia, Guang-Xue Liu, Sheng-Chao Yang, Guang-Qiang Long, Zhong-Jian Chen, Fu-Zhou Wei, Shao-Zhou Yang, Kozo Fukuda, Xuan Wang, Shao-Qing Cai
Panax notoginseng is a commonly used traditional Chinese medicine with blood activating effect while has continuous cropping obstacle problem in planting process. In present study, a semimicroextraction method with water-saturated n-butanol on 0.1 g notoginseng sample was established with good repeatability (RSD<2.5%) and 9.6%-20.6% higher extraction efficiency of seven saponins than the conventional method. A total of 16 characteristic peaks were identified by LC-MS-IT-TOF, including eight 20(S)-protopanaxatriol (PPT) type saponins and eight 20(S)-protopanaxadiol (PPD) type saponins...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929364/anthropomorphic-liver-phantom-with-flow-for-multimodal-image-guided-liver-therapy-research-and-training
#16
Anna Rethy, Jørn Ove Sæternes, Jostein Halgunset, Ronald Mårvik, Erlend F Hofstad, Juan A Sánchez-Margallo, Thomas Langø
PURPOSE: The objective of this study was to develop a multimodal, permanent liver phantom displaying functional vasculature and common pathologies, for teaching, training and equipment development in laparoscopic ultrasound and navigation. METHODS: Molten wax was injected simultaneously into the portal and hepatic veins of a human liver. Upon solidification of the wax, the surrounding liver tissue was dissolved, leaving a cast of the vessels. A connection was established between the two vascular trees by manually manipulating the wax...
September 19, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28928768/the-effectiveness-of-personalized-bowel-preparation-using-a-smartphone-camera-application-a-randomized-pilot-study
#17
Jae Won Jung, Jongha Park, Gi Jung Jeon, Young Soo Moon, Sung Yuon Yang, Tae Oh Kim, Eui Tay Jung, Hee-Cheol Kim
BACKGROUND: We aimed to investigate the effectiveness of a smartphone application that analyzes and judges the optimal dosage of polyethylene glycol (PEG) for bowel preparation. METHODS: Patients were assigned to use the smartphone camera application (app group) or written instructions (non-app group). The smartphone camera application was programmed to analyze the bowel preparation quality and automatically determine the dosage of PEG from an analysis of stool images...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28928687/the-development-and-preliminary-validation-of-a-brief-questionnaire-of-psychopathic-personality-traits
#18
Sonja Etzler, Sonja Rohrmann
The measurement of psychopathic personality traits via self-report has become an important tool in legal psychology. One prominent instrument is the Psychopathic Personality Inventory (PPI; Lilienfeld and Andrews, 1996), a well-validated questionnaire that is widely applied in many countries. In Germany, it is the only questionnaire assessing psychopathic traits that is available from a publisher with a manual edited for easy administration. Nevertheless, the PPI shows certain shortcomings: the high number of 154 items makes it less economic, it was developed on a non-representative undergraduate sample, and studies revealed an inconsistent factor structure...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28928494/systematic-review-and-meta-analyses-of-the-difference-between-the-spinal-level-of-the-palpated-and-imaged-iliac-crests
#19
Robert Cooperstein, Felisha Truong
OBJECTIVE: The purpose of this study was to undertake a systematic review of the literature to determine and compare, for patient sub-groups, the spinal level of the iliac crests as commonly measured through manual palpation and radiographic imaging procedures. METHODS: Relevant citations were retrieved by searching the PubMed, ICL, CINAHL, AMED, Osteopathic Research Web, OstMed, and MANTIS biomedical databases, and included articles were rated for quality. Search terms included Tuffier*, intercristal line, intercrestal line, Jacoby's line, lumbar spine, lumbar landmark, pelvic landmark, palpation, and TL (Tuffier's Line)...
August 2017: Journal of the Canadian Chiropractic Association
https://www.readbyqxmd.com/read/28928192/a-pragmatic-group-sequential-placebo-controlled-randomised-trial-to-determine-the-effectiveness-of-glyceryl-trinitrate-for-retained-placenta-got-it-a-study-protocol
#20
Fiona C Denison, John Norrie, Julia Lawton, Jane E Norman, Graham Scotland, Gladys C McPherson, Alison McDonald, Mark Forrest, Jemma Hudson, Jane Brewin, Mathilde Peace, Cynthia Clarkson, Sheonagh Brook-Smith, Susan Morrow, Nina Hallowell, Laura Hodges, Kathryn F Carruthers
INTRODUCTION: A retained placenta is diagnosed when the placenta is not delivered following delivery of the baby. It is a major cause of postpartum haemorrhage and treated by the operative procedure of manual removal of placenta (MROP). METHODS AND ANALYSIS: The aim of this pragmatic, randomised, placebo-controlled, double-blind UK-wide trial, with an internal pilot and nested qualitative research to adjust strategies to refine delivery of the main trial, is to determine whether sublingual glyceryl trinitrate (GTN) is (or is not) clinically and cost-effective for (medical) management of retained placenta...
September 18, 2017: BMJ Open
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