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https://www.readbyqxmd.com/read/29691987/accuracy-of-the-match-between-cone-beam-computed-tomography-and-model-scan-data-in-template-guided-implant-planning-a-prospective-controlled-clinical-study
#1
Sigmar Schnutenhaus, Sebastian Gröller, Ralph G Luthardt, Heike Rudolph
BACKGROUND: Template-guided implant placement is a method for optimal implant positioning from a prosthetic and surgical viewpoint. The treatment planning is based on three-dimensional X-ray data and model scan data, as well as on prosthetic planning (set-up). These data are matched (superimposed) with the aid of an X-ray template or by manual matching without special referencing. PURPOSE: The objective of this prospective controlled clinical study was to determine and compare the accuracy of the match with and without an additional X-ray template...
April 25, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29691954/children-s-neural-processing-of-moral-scenarios-provides-insight-into-the-formation-and-reduction-of-in-group-biases
#2
Kimberly L Meidenbauer, Jason M Cowell, Jean Decety
Survival is dependent on sociality within groups which ensure sustenance and protection. From an early age, children show a natural tendency to sort people into groups and discriminate among them. The computations guiding evaluation of third-party behaviors are complex, requiring integration of intent, consequences, and knowledge of group affiliation. This study examined how perceiving third-party morally laden behavior influences children's likelihood to exhibit or reduce group bias. Following a minimal group paradigm assignment, young children (4-7 years) performed a moral evaluation task where group affiliations and moral actions were systematically juxtaposed, so that they were exposed to disproportionately antisocial in-group and prosocial out-group scenarios...
April 25, 2018: Developmental Science
https://www.readbyqxmd.com/read/29691902/3d-printed-functional-and-biological-materials-on-moving-freeform-surfaces
#3
Zhijie Zhu, Shuang-Zhuang Guo, Tessa Hirdler, Cindy Eide, Xiaoxiao Fan, Jakub Tolar, Michael C McAlpine
Conventional 3D printing technologies typically rely on open-loop, calibrate-then-print operation procedures. An alternative approach is adaptive 3D printing, which is a closed-loop method that combines real-time feedback control and direct ink writing of functional materials in order to fabricate devices on moving freeform surfaces. Here, it is demonstrated that the changes of states in the 3D printing workspace in terms of the geometries and motions of target surfaces can be perceived by an integrated robotic system aided by computer vision...
April 25, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29691684/semi-automatic-methods-for-airway-and-adjacent-vessel-measurement-in-bronchiectasis-patterns-in-lung-hrct-images-of-cystic-fibrosis-patients
#4
REVIEW
Zeinab Naseri, Soghra Sherafat, Hamid Abrishami Moghaddam, Mohammadreza Modaresi, Neda Pak, Fatemeh Zamani
Airway and vessel characterization of bronchiectasis patterns in lung high-resolution computed tomography (HRCT) images of cystic fibrosis (CF) patients is very important to compute the score of disease severity. We propose a hybrid and evolutionary optimized threshold and model-based method for characterization of airway and vessel in lung HRCT images of CF patients. First, the initial model of airway and vessel is obtained using the enhanced threshold-based method. Then, the model is fitted to the actual image by optimizing its parameters using particle swarm optimization (PSO) evolutionary algorithm...
April 24, 2018: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/29691470/crispr-cas9-genome-editing-technology-significantly-accelerated-herpes-simplex-virus-research
#5
REVIEW
Dong Wang, Xian-Wang Wang, Xiao-Chun Peng, Ying Xiang, Shi-Bao Song, Ying-Ying Wang, Lin Chen, Victoria W Xin, Yan-Ning Lyu, Jiafu Ji, Zhao-Wu Ma, Cheng-Bin Li, Hong-Wu Xin
Herpes simplex viruses (HSVs) are important pathogens and ideal for gene therapy due to its large genome size. Previous researches on HSVs were hampered because the technology to construct recombinant HSVs were based on DNA homology-dependent repair (HDR) and plaque assay, which are inefficient, laborious, and time-consuming. Fortunately, clustered regularly interspaced short palindromic repeat/CRISPR-associated protein 9 (CRISPR/Cas9) recently provided the possibility to precisely, efficiently, and rapidly edit genomes and indeed is successfully being used in HSVs...
April 25, 2018: Cancer Gene Therapy
https://www.readbyqxmd.com/read/29691458/automated-sorting-of-neuronal-trees-in-fluorescent-images-of-neuronal-networks-using-neurotreetracer
#6
Cihan Kayasandik, Pooran Negi, Fernanda Laezza, Manos Papadakis, Demetrio Labate
Fluorescence confocal microscopy has become increasingly more important in neuroscience due to its applications in image-based screening and profiling of neurons. Multispectral confocal imaging is useful to simultaneously probe for distribution of multiple analytes over networks of neurons. However, current automated image analysis algorithms are not designed to extract single-neuron arbors in images where neurons are not separated, hampering the ability map fluorescence signals at the single cell level. To overcome this limitation, we introduce NeuroTreeTracer - a novel image processing framework aimed at automatically extracting and sorting single-neuron traces in fluorescent images of multicellular neuronal networks...
April 24, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29691271/unusual-congenital-coronary-artery-anomaly-in-a-young-adult-presenting-as-sudden-cardiac-arrest
#7
Manuel Cortes, Carlos A Roldan, Stacey Clegg
A previously asymptomatic young female with no previous medical or cardiac history collapsed during indoor exercise. A portable automatic external defibrillator showed a shockable rhythm. She received multiple electrical shocks with return to normal sinus rhythm without ischaemic ECG changes. Her troponin level was mildly elevated. A transthoracic echocardiogram revealed moderately reduced left ventricular ejection fraction with global hypokinesis. During emergent coronary angiography, the left main coronary artery could not be found...
April 24, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29691210/risk-assessment-for-parents-who-suspect-their-child-has-autism-spectrum-disorder-machine-learning-approach
#8
Ayelet Ben-Sasson, Diana L Robins, Elad Yom-Tov
BACKGROUND: Parents are likely to seek Web-based communities to verify their suspicions of autism spectrum disorder markers in their child. Automated tools support human decisions in many domains and could therefore potentially support concerned parents. OBJECTIVE: The objective of this study was to test the feasibility of assessing autism spectrum disorder risk in parental concerns from Web-based sources, using automated text analysis tools and minimal standard questioning...
April 24, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29691201/identifying-unmet-treatment-needs-for-patients-with-osteoporotic-fracture-feasibility-study-for-an-electronic-clinical-surveillance-system
#9
Fong-Ci Lin, Chen-Yu Wang, Rung Ji Shang, Fei-Yuan Hsiao, Mei-Shu Lin, Kuan-Yu Hung, Jui Wang, Zhen-Fang Lin, Feipei Lai, Li-Jiuan Shen, Chih-Fen Huang
BACKGROUND: Traditional clinical surveillance relied on the results from clinical trials and observational studies of administrative databases. However, these studies not only required many valuable resources but also faced a very long time lag. OBJECTIVE: This study aimed to illustrate a practical application of the National Taiwan University Hospital Clinical Surveillance System (NCSS) in the identification of patients with an osteoporotic fracture and to provide a high reusability infrastructure for longitudinal clinical data...
April 24, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29690854/what-is-there-to-learn-about-violence-and-masculinity-from-a-genderqueer-man
#10
Rebecca Helman, Kopano Ratele
BACKGROUND: In light of the global health burden of violence, which is predominantly perpetrated by men, studies have explored the relationship between masculinities and violence. However, there is a relative lack of work focusing on non-hegemonic men and masculinities in relation to violence. Such work has the potential to advance violence prevention work. OBJECTIVE: This article aims to show the shifting relationship between constructions of violent and non-violent masculinity in the talk of a genderqueer man...
2018: Global Health Action
https://www.readbyqxmd.com/read/29690744/-advances-in-the-research-of-application-of-artificial-intelligence-in-burn-field
#11
H H Li, Z X Bao, X B Liu, S H Zhu
Artificial intelligence has been able to automatically learn and judge large-scale data to some extent. Based on database of a large amount of burn data and in-depth learning, artificial intelligence can assist burn surgeons to evaluate burn surface, diagnose burn depth, guide fluid supply during shock stage, and predict prognosis, with high accuracy. With the development of technology, artificial intelligence can provide more accurate information for burn surgeons to make clinical diagnosis and treatment strategies...
April 20, 2018: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29690560/detecting-inspection-objects-of-power-line-from-cable-inspection-robot-lidar-data
#12
Xinyan Qin, Gongping Wu, Jin Lei, Fei Fan, Xuhui Ye
Power lines are extending to complex environments (e.g., lakes and forests), and the distribution of power lines in a tower is becoming complicated (e.g., multi-loop and multi-bundle). Additionally, power line inspection is becoming heavier and more difficult. Advanced LiDAR technology is increasingly being used to solve these difficulties. Based on precise cable inspection robot (CIR) LiDAR data and the distinctive position and orientation system (POS) data, we propose a novel methodology to detect inspection objects surrounding power lines...
April 22, 2018: Sensors
https://www.readbyqxmd.com/read/29690520/accuracy-of-automatic-carbohydrate-protein-fat-and-calorie-counting-based-on-voice-descriptions-of-meals-in-people-with-type-1-diabetes
#13
Piotr Ladyzynski, Janusz Krzymien, Piotr Foltynski, Monika Rachuta, Barbara Bonalska
The aim of this work was to assess the accuracy of automatic macronutrient and calorie counting based on voice descriptions of meals provided by people with unstable type 1 diabetes using the developed expert system (VoiceDiab) in comparison with reference counting made by a dietitian, and to evaluate the impact of insulin doses recommended by a physician on glycemic control in the study’s participants. We also compared insulin doses calculated using the algorithm implemented in the VoiceDiab system...
April 21, 2018: Nutrients
https://www.readbyqxmd.com/read/29689754/hydrogen-absorbing-alloy-based-metal-hydride-actuation-for-application-in-rehabilitative-systems
#14
Kyong Kim, Seong Hyun Kim, Sung Hoon Kim, Chang Ho Yu
BACKGROUND: A lightweight rehabilitation assisting system is required to help the aged and disabled with daily life activities, thereby improving the quality of their lives. OBJECTIVE: This paper discusses the development of a metal-hydride (MH) actuator, with excellent heat transfer performance, for application in a rehabilitative system incorporating an MH module. METHODS: The operating mechanism of MH actuators requires that the mechanical power of the pneumatic actuator only be generated via heat transfer through a Peltier element and the absorption/desorption of a hydrogen-contained MH module...
April 10, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29689597/the-predictive-value-of-approach-and-avoidance-tendencies-on-the-onset-and-course-of-depression-and-anxiety-disorders
#15
Sascha Y Struijs, Femke Lamers, Mike Rinck, Karin Roelofs, Philip Spinhoven, Brenda W J H Penninx
BACKGROUND: Trait and automatic approach-avoidance (AA) tendencies are central concepts in research on affective disorders. We longitudinally examined the associations of trait and automatic AA tendencies with the risk of onset and chronicity of anxiety and depressive disorders. METHODS: Participants were subdivided into those with (n = 766) versus without (n = 1,636) a current anxiety or depression diagnosis at baseline. Clinical diagnoses were reassessed after 2-year follow-up...
April 24, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29689283/geometry-processing-of-conventionally-produced-mouse-brain-slice-images
#16
Nitin Agarwal, Xiangmin Xu, M Gopi
BACKGROUND: Brain mapping research in most neuroanatomical laboratories relies on conventional processing techniques, which often introduce histological artifacts such as tissue tears and tissue loss. NEW METHOD: In this paper we present techniques and algorithms for automatic registration and 3D reconstruction of conventionally produced mouse brain slices in a standardized atlas space. This is achieved first by constructing a virtual 3D mouse brain model from annotated slices of Allen Reference Atlas (ARA)...
April 21, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29689125/directed-solutions-to-address-differences-in-access-to-liver-transplantation
#17
Fei Ye, Quanhu Sheng, Irene D Feurer, Zhiguo Zhao, Run Fan, Jing Teng, Jie Ping, Scott A Rega, Douglas W Hanto, Yu Shyr, Seth J Karp
The United Network for Organ Sharing recently altered current liver allocation with the goal of decreasing Model for End-stage Liver Disease (MELD) variance at transplant. Concerns over these and further planned revisions to policy include predicted decrease in total transplants, increased flying and logistical complexity, adverse impact on areas with poor quality health care, and minimal effect on high MELD Donor Service Areas (DSAs). To address these issues, we describe general approaches to equalize critical transplant metrics among regions and determine how they alter MELD variance at transplant and organ supply to underserved communities...
April 24, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29689105/cerebral-desaturation-in-heart-failure-potential-prognostic-value-and-physiologic-basis
#18
Yu-Jen Chen, Jong-Shyan Wang, Chih-Chin Hsu, Pyng-Jing Lin, Feng-Chun Tsai, Ming-Shien Wen, Chi-Tai Kuo, Shu-Chun Huang
Cerebral tissue oxygen saturation (SctO2) reflects cerebral perfusion and tissue oxygen consumption, which decline in some patients with heart failure with reduced ejection fraction (HFrEF) or stroke, especially during exercise. Its physiologic basis and clinical significance remain unclear. We aimed to investigate the association of SctO2 with oxygen transport physiology and known prognostic factors during both rest and exercise in patients with HFrEF or stroke. Thirty-four HFrEF patients, 26 stroke patients, and 17 healthy controls performed an incremental cardiopulmonary exercise test using a bicycle ergometer...
2018: PloS One
https://www.readbyqxmd.com/read/29689076/automatic-tree-parameter-extraction-by-a-mobile-lidar-system-in-an-urban-context
#19
Mónica Herrero-Huerta, Roderik Lindenbergh, Pablo Rodríguez-Gonzálvez
In an urban context, tree data are used in city planning, in locating hazardous trees and in environmental monitoring. This study focuses on developing an innovative methodology to automatically estimate the most relevant individual structural parameters of urban trees sampled by a Mobile LiDAR System at city level. These parameters include the Diameter at Breast Height (DBH), which was estimated by circle fitting of the points belonging to different height bins using RANSAC. In the case of non-circular trees, DBH is calculated by the maximum distance between extreme points...
2018: PloS One
https://www.readbyqxmd.com/read/29688366/biodataome-a-collection-of-uniformly-preprocessed-and-automatically-annotated-datasets-for-data-driven-biology
#20
Kleanthi Lakiotaki, Nikolaos Vorniotakis, Michail Tsagris, Georgios Georgakopoulos, Ioannis Tsamardinos
Biotechnology revolution generates a plethora of omics data with an exponential growth pace. Therefore, biological data mining demands automatic, 'high quality' curation efforts to organize biomedical knowledge into online databases. BioDataome is a database of uniformly preprocessed and disease-annotated omics data with the aim to promote and accelerate the reuse of public data. We followed the same preprocessing pipeline for each biological mart (microarray gene expression, RNA-Seq gene expression and DNA methylation) to produce ready for downstream analysis datasets and automatically annotated them with disease-ontology terms...
January 1, 2018: Database: the Journal of Biological Databases and Curation
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