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https://www.readbyqxmd.com/read/28918617/right-ventricular-thrombosis-combined-with-fetal-death-and-acrocyanosis-in-pregnancy
#1
Feridoun Sabzi, Aghigh Heidari
Prepartum or postpartum right ventricular thrombosis (RVT) is an exceedingly rare and potentially lethal phenomenon in pregnancy. We here report a case of a pregnant patient with near term pregnancy admitted for dyspnea, amniotic fluids discharge and labor pain in a gynecology center that an eight-month dead fetus was diagnosed and delivered vaginally by induction. A post delivery period was complicated by aggravation of her dyspnea and pleuritic chest pain that she referred for further evaluation in our cardiac center...
July 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28918257/pathways-of-the-inferior-frontal-occipital-fasciculus-in-overt-speech-and-reading
#2
Claire Rollans, Kulpreet Cheema, George K Georgiou, Jacqueline Cummine
In this study, we examined the relationship between tractography-based measures of white matter integrity (ex. fractional anisotropy [FA]) from diffusion tensor imaging (DTI) and five reading-related tasks, including rapid automatized naming (RAN) of letters, digits, and objects, and reading of real words and nonwords. Twenty university students with no reported history of reading difficulties were tested on all five tasks and their performance was correlated with diffusion measures extracted through DTI tractography...
September 13, 2017: Neuroscience
https://www.readbyqxmd.com/read/28918110/emergent-behaviors-in-rbcs-flows-in-micro-channels-using-digital-particle-image-velocimetry
#3
F Cairone, D Ortiz, P J Cabrales, M Intaglietta, M Bucolo
The key points in the design of microfluidic Lab-On-a-Chips for blood tests are the simplicity of the microfluidic chip geometry, the portability of the monitoring system and the ease on-chip integration of the data analysis procedure. The majority of those, recently designed, have been used for blood separation, however their introduction, also, for pathological conditions diagnosis would be important in different biomedical contexts. To overcome this lack is necessary to establish the relation between the RBCs flow and blood viscosity changes in micro-vessels...
September 13, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28917992/securing-extraocular-muscles-in-strabismus-surgery-biomechanical-analysis-of-knot-tying-technique
#4
Steven E Brooks
BACKGROUND: The safe and precise reattachment of extraocular muscles requires a technical approach that minimizes any opportunity for the muscle to slip intraoperatively or postoperatively while minimizing surgical risk. Biomechanical testing can provide important quantitative information about the tensile properties of different knot configurations that may inform surgical technique. METHODS: A precision digital force gauge was used to assess the tensile strength created by different knot tying techniques and configurations in human sclera using 6-0 polyglactin 910 suture...
September 13, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28917769/towards-highly-selective-detection-using-metal-nanoparticles-a-case-of-silver-triangular-nanoplates-and-chlorine
#5
Vladimir V Apyari, Marina O Gorbunova, Anastasiya V Shevchenko, Aleksei A Furletov, Pavel A Volkov, Alexey V Garshev, Stanislava G Dmitrienko, Yury A Zolotov
The article describes a novel approach towards improving selectivity of volatile compounds detection using metal nanoparticles. It is based on combination of sensitive optical detection using convenient nanoparticle-modified paper test strips and dynamic gas extraction improving selectivity to volatile compounds. A simple and inexpensive setup allowing for realization of this combination is described. Analytical prospects of the approach are shown by the example of chlorine determination in highly salted aqueous solutions using silver triangular nanoplates and digital colorimetry...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917660/stereotaxic-18-f-fdg-pet-and-mri-templates-with-three-dimensional-digital-atlas-for-statistical-parametric-mapping-analysis-of-tree-shrew-brain
#6
Qi Huang, Binbin Nie, Chen Ma, Jing Wang, Tianhao Zhang, Shaofeng Duan, Shang Wu, Shengxiang Liang, Panlong Li, Hua Liu, Hua Sun, Jiangning Zhou, Lin Xu, Baoci Shan
BACKGROUND: Tree shrews are proposed as an alternative animal model to nonhuman primates due to their close affinity to primates. Neuroimaging techniques are widely used to study brain functions and structures of humans and animals. However, tree shrews are rarely applied in neuroimaging field partly due to the lack of available species specific analysis methods. NEW METHOD: In this study, 10 PET/CT and 10 MRI images of tree shrew brain were used to construct PET and MRI templates; based on histological atlas we reconstructed a three-dimensional digital atlas with 628 structures delineated; then the digital atlas and templates were aligned into a stereotaxic space...
September 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28917561/cardiac-rhythm-analysis-during-ongoing-cardiopulmonary-resuscitation-using-the-analysis-during-compressions-with-fast-reconfirmation-adc-fr-technology
#7
Francesca Fumagalli, Annemarie E Silver, Qing Tan, Naveed Zaidi, Giuseppe Ristagno
BACKGROUND: Pauses in chest compressions (CCs) have a negative association with survival from cardiac arrest (CA). ECG rhythm analysis and defibrillator charging are significant contributors to CC pauses. OBJECTIVE: Accuracy of the "Analysis During Compressions with Fast Reconfirmation" (ADC-FR) algorithm, which features automated rhythm analysis and charging during CCs to reduce CC pauses, was retrospectively determined in a large database of ECGs from 2,701 out-of-hospital CAs...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28917503/food-reluctance-of-preschool-children-attending-daycare-centers-is-associated-with-a-lower-body-mass-index
#8
Véronique Surette, Stéphanie Ward, Pascale Morin, Hassan Vatanparast, Mathieu Bélanger
BACKGROUND: Food reluctance can present as fussiness, picky eating, slowness in eating, and high satiety responsiveness. It can be associated with inadequate weight gain during early childhood. Although a majority of preschoolers attend daycare centers, associations between their eating behaviors at daycare and their body composition have not been studied. OBJECTIVE: Our aim was to develop an estimate of food reluctance and to assess the relationship between food reluctance at daycare and body mass index (BMI) and waist circumference of preschoolers...
September 14, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28917288/intraoperative-imaging-for-vascular-lesions
#9
REVIEW
Vance L Fredrickson, Jonathan J Russin, Ben A Strickland, Joshua Bakhsheshian, Arun P Amar
Neurovascular surgery is a broad and challenging, yet exciting field within neurologic surgery. The neurovascular surgeon must be meticulous; because the brain and spinal cord are unforgiving to ischemic insults. Along with the pressures of this demanding subspecialty comes the potential to help patients recover from potentially devastating pathology to go on and lead normal, healthy lives. Several intraoperative imaging modalities are available to help maximize treatment success while reducing risk. This article reviews each of these modalities, including digital subtraction angiography, fluorescence angiography, Doppler ultrasonography, laser Doppler, laser speckle contrast imaging, neuronavigation, and neuroendoscopy...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28917089/the-trehalose-specific-transporter-lpqy-sugabc-is-required-for-antimicrobial-and-anti-biofilm-activity-of-trehalose-analogues-in-mycobacterium-smegmatis
#10
Jeffrey M Wolber, Bailey L Urbanek, Lisa M Meints, Brent F Piligian, Irene C Lopez-Casillas, Kailey M Zochowski, Peter J Woodruff, Benjamin M Swarts
Mycobacteria, including the bacterial pathogen that causes human tuberculosis, possess distinctive pathways for synthesizing and utilizing the non-mammalian disaccharide trehalose. Trehalose metabolism is essential for mycobacterial viability and has been linked to in vitro biofilm formation, which may bear relevance to in vivo drug tolerance. Previous research has shown that some trehalose analogues bearing modifications at the 6-position inhibit growth of various mycobacterial species. In this work, 2-, 5-, and 6-position-modified trehalose analogues were synthesized using our previously reported one-step chemoenzymatic method and shown to inhibit growth and biofilm formation in the two-to three-digit micromolar range in Mycobacterium smegmatis...
August 9, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28916936/does-diabetes-mellitus-comorbidity-affect-in-hospital-mortality-and-length-of-stay-analysis-of-administrative-data-in-an-italian-academic-hospital
#11
Francesca Valent, Laura Tonutti, Franco Grimaldi
AIMS: Hospitalized patients with comorbid diabetes mellitus may have worse outcomes than the others. We conducted a study to assess whether comorbid diabetes affects in-hospital mortality and length of stay. METHODS: For this population-based study, we analyzed the administrative databases of the Regional Health Information System of the Region Friuli Venezia Giulia, where the Hospital of Udine is located. Hospital discharge data were linked at the individual patient level with the regional Diabetes Mellitus Registry to identify diabetic patients...
September 15, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28916930/tongue-image-analysis-and-its-mobile-app-development-for-health-diagnosis
#12
Ratchadaporn Kanawong, Tayo Obafemi-Ajayi, Dahai Liu, Meng Zhang, Dong Xu, Ye Duan
Computer-aided diagnosis provides a medical procedure that assists physicians in interpretation of medical images. This work focuses on computer-aided tongue image analysis specifically, based on Traditional Chinese Medicine (TCM). Tongue diagnosis is an important component of TCM. Computerized tongue diagnosis can aid medical practitioners in capturing quantitative features to improve reliability and consistency of diagnosis. Recently, researchers have started to develop computer-aided tongue analysis algorithms based on new advancement in digital photogrammetry, image analysis, and pattern recognition technologies...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28916692/does-tendon-firing-quicken-time-to-recovery-for-superficial-digital-flexor-tendon-injury
#13
(no author information available yet)
No abstract text is available yet for this article.
September 16, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28916508/development-of-a-whole-slide-imaging-system-on-smartphones-and-evaluation-with-frozen-section-samples
#14
Hong Yu, Feng Gao, Liren Jiang, Shuoxin Ma
BACKGROUND: The aim was to develop scalable Whole Slide Imaging (sWSI), a WSI system based on mainstream smartphones coupled with regular optical microscopes. This ultra-low-cost solution should offer diagnostic-ready imaging quality on par with standalone scanners, supporting both oil and dry objective lenses of different magnifications, and reasonably high throughput. These performance metrics should be evaluated by expert pathologists and match those of high-end scanners. OBJECTIVE: The aim was to develop scalable Whole Slide Imaging (sWSI), a whole slide imaging system based on smartphones coupled with optical microscopes...
September 15, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28916395/pachydermoperiostosis-the-value-of-molecular-diagnosis
#15
V Seta, Y Capri, M Battistella, M Bagot, E Bourrat
BACKGROUND: Pachydermoperiostosis is a rare autosomal recessive genetic disorder characterized by the association of periostosis and pachydermia. To date, two genes involved in prostaglandin metabolism, HPGD and SLCO2A1, have been identified. PATIENTS AND METHODS: A 7-year-old girl presented digital clubbing of the hands and feet, curved nails, hyperhidrosis, and pachydermia, as well as eczema of the trunk and limbs. The diagnosis of pachydermoperiostosis was confirmed by the detection of a homozygous mutation in the HPGD gene...
September 12, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28916164/-analysis-of-clinical-relevance-applied-to-3methods-of-reducing-weight-in-overweight-or-obesity-followed-up-for-one-year
#16
M L Tárraga Marcos, J M Panisello Royo, J A Carbayo Herencia, N Rosich Domenech, J Alins Presas, E Castell Panisello, P J Tárraga López
OBJECTIVE: To analyse the effect of the use/implementation of 3methods to reduce weight in overweight or obese patients during one year of follow up. MATERIAL AND METHODS: The design corresponds to a double-blind, randomised, controlled clinical trial with 3arms, and 12 months of follow-up. Patients were randomised into 3intervention groups: obesity motivational intervention, with a nurse previously trained in motivational intervention by expert psychologists (G1; n=60); lower intensity consultation, non-motivational group, with digital platform support (G2; N=61), and a third group that received recommendations for weight loss and follow-up in Primary Care Clinic (G3; n=59)...
September 12, 2017: Hipertensión y Riesgo Vascular
https://www.readbyqxmd.com/read/28916149/wavelet-based-tracking-of-bacteria-in-unreconstructed-off-axis-holograms
#17
Zach Marin, J Kent Wallace, Jay Nadeau, Andre Khalil
We propose an automated wavelet-based method of tracking particles in unreconstructed off-axis holograms to provide rough estimates of the presence of motion and particle trajectories in digital holographic microscopy (DHM) time series. The wavelet transform modulus maxima segmentation method is adapted and tailored to extract Airy-like diffraction disks, which represent bacteria, from DHM time series. In this exploratory analysis, the method shows potential for estimating bacterial tracks in low-particle-density time series, based on a preliminary analysis of both living and dead Serratia marcescens, and for rapidly providing a single-bit answer to whether a sample chamber contains living or dead microbes or is empty...
September 12, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28915564/classical-swine-fever-virus-shimen-infection-increases-p53-signaling-to-promote-cell-cycle-arrest-in-porcine-alveolar-macrophages
#18
Pengbo Ning, Congxia Hu, Xuepeng Li, Yulu Zhou, Aoxue Hu, Ya Zhang, Lifang Gao, Cunmei Gong, Kangkang Guo, Xianghan Zhang, Yanming Zhang
Classical swine fever virus (CSFV) replicates in macrophages and causes persistent infection. Despite its role in disastrous economic losses in swine industries, the molecular mechanisms underlying its pathogenesis are poorly understood. The virus evades the neutralizing immune response, subverting the immune system to ensure its own survival and persistence. Our genome-wide analysis of porcine alveolar macrophage transcriptional responses to CSFV Shimen infection using the Solexa/Illumina digital gene expression system revealed that p53 pathway components and cell cycle molecules were differentially regulated during infection compared to controls...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915346/a-review-of-chemical-spot-tests-a-presumptive-illicit-drug-identification-technique
#19
REVIEW
Morgan Philp, Shanlin Fu
Chemical 'spot' tests are a presumptive illicit drug identification technique commonly used by law enforcement, border security personnel, and forensic laboratories. The simplicity, low cost and rapid results afforded by these tests make them particularly attractive for presumptive identification globally. In this paper, we review the development of these long-established methods and discuss color test recommendations and guidelines. A search of the scientific literature revealed the chemical reactions occurring in many color tests are either not actively investigated or reported as unknown...
September 15, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28915283/clinical-evaluation-of-a-multi-modal-facial-serum-that-addresses-hyaluronic-acid-levels-in-skin
#20
Susana Raab, Margarita Yatskayer, Stephen Lynch, Megan Manco, Christian Oresajo
BACKGROUND: Hyaluronic acid (HA), the major glycosaminoglycan present in the human skin, is a key contributor to water retention and mechanical support in skin. The level, size, and functionality of cutaneous HA are known to diminish with age. Topical treatments designed to increase the HA content of skin have been met with limited success. The purpose of this study was to evaluate the tolerance and efficacy of a multi-modal facial serum containing HA, Proxylane (C-Xyloside), purple rice extract, and dipotassium glycyrrhizate in addressing HA levels in skin...
September 1, 2017: Journal of Drugs in Dermatology: JDD
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