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https://www.readbyqxmd.com/read/28092925/risk-based-management-of-dental-procedures-in-patients-with-inherited-bleeding-disorders-development-of-a-dental-bleeding-risk-assessment-and-treatment-tool-debratt
#1
L Rasaratnam, P Chowdary, D Pollard, B Subel, C Harrington, U R Darbar
INTRODUCTION: Successful outcomes in dental management for patients with inherited bleeding disorders require close collaboration between haematology teams and dentists. AIM: To review outcomes of an interdisciplinary pathway for dental procedures by assessing adequacy and appropriateness of haemostatic management. METHODS: Two hundred dental procedures in 30 patients with inherited bleeding disorders were included. A Dental Bleeding Risk Assessment and Treatment Tool (DeBRATT) was developed to identify four categories of bleeding risk (no risk, low, moderate and high risk of bleeding) in relation to the severity of the bleeding disorder and the invasiveness of dental procedure...
January 16, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28092913/umbilical-venous-catheter-malposition-is-associated-with-necrotizing-enterocolitis-in-premature-infants
#2
Mustafa Sulemanji, Khashayar Vakili, David Zurakowski, Wayne Tworetzky, Steven J Fishman, Heung Bae Kim
OBJECTIVE: The etiology of necrotizing enterocolitis (NEC) remains elusive despite known associations with several factors, including intestinal ischemia related to the effects of umbilical arterial catheterization on the mesenteric circulation. However, the role of the mesenteric venous circulation has yet to be studied as a potential cause of NEC. We examined the association between umbilical venous catheter (UVC) position and the development of NEC in premature infants. DESIGN: A prospective cohort study was performed to examine the effect of UVC on portosystemic shunting via the ductus venosus (DV) and its potential role in NEC...
January 17, 2017: Neonatology
https://www.readbyqxmd.com/read/28092816/encapsulation-of-cisplatin-in-a-pegylated-calcium-phosphate-nanoparticle-cpnp-for-enhanced-cytotoxicity-to-cancerous-cells
#3
Yang Ding, Kang Zhai, Pei Pei, Yue Lin, Yinchu Ma, Huixia Zhu, Mingfeng Shao, Xianzhu Yang, Wei Tao
HYPOTHESIS: Exchange of the chloride ion (Cl(-)) ligands of cisplatin with carboxylates is widely used in fabricating cisplatin loaded nanoparticles for improved cancer therapy. However, the dynamic exchange may cause premature cisplatin release and even disintegration of the nanoparticles in Cl(-)-containing medium such as in plasma. Molecules bearing carboxylates are capable of mediating the mineralization process of calcium phosphate; therefore, it is possible to overcome the disadvantage by sequestering cisplatin in a calcium phosphate nanoparticle (CPNP)...
January 11, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28092776/periosteum-tissue-engineering-in-an-orthotopic-in%C3%A2-vivo-platform
#4
J G Baldwin, F Wagner, L C Martine, B M Holzapfel, C Theodoropoulos, O Bas, F M Savi, C Werner, E M De-Juan-Pardo, D W Hutmacher
The periosteum plays a critical role in bone homeostasis and regeneration. It contains a vascular component that provides vital blood supply to the cortical bone and an osteogenic niche that acts as a source of bone-forming cells. Periosteal grafts have shown promise in the regeneration of critical size defects, however their limited availability restricts their widespread clinical application. Only a small number of tissue-engineered periosteum constructs (TEPCs) have been reported in the literature. A current challenge in the development of appropriate TEPCs is a lack of pre-clinical models in which they can reliably be evaluated...
November 20, 2016: Biomaterials
https://www.readbyqxmd.com/read/28092726/pathophysiology-incidence-and-predictors-of-conduction-disturbances-during-transcatheter-aortic-valve-implantation
#5
Marco Barbanti, Simona Gulino, Giuliano Costa, Corrado Tamburino
Over the past decade, transcatheter aortic valve implantation (TAVI) has evolved rapidly toward an extremely reproducible, safe and effective procedure, with a marked reduction of its related complications. However, the occurrence of conduction disturbances and the need for permanent pacemaker implantation (PPI) after TAVI remains a concern. Areas covered: In this article review, we will go through the mechanisms involved in conduction disturbances after TAVI, and we will discuss the key aspects of pathophysiology, incidence and predictors of conduction disturbances following Transcatheter Aortic Valve Implantation...
January 16, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28092673/irf7-regulates-the-development-of-granulocytic-myeloid-derived-suppressor-cells-through-s100a9-transrepression-in-cancer
#6
Q Yang, X Li, H Chen, Y Cao, Q Xiao, Y He, J Wei, J Zhou
Accumulation of myeloid-derived suppressor cells (MDSCs) is one of the major obstacles against achieving appropriate anti-tumor immune responses and successful tumor immunotherapy. Granulocytic MDSCs (G-MDSCs) are common in tumor-bearing hosts. However, the mechanisms regulating the development of MDSCs, especially G-MDSCs, remain poorly understood. In this report, we showed that interferon regulatory factor 7 (IRF7) plays an important role in the development of G-MDSCs, but not monocytic MDSCs. IRF7 deficiency caused significant elevation of G-MDSCs, and therefore enhanced tumor growth and metastasis in mice...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092639/lithographic-patterning-of-antibodies-by-direct-lift-off-and-improved-surface-adhesion
#7
Sankalp Verma, Vivek Verma
The inherent property of antibodies binding to their antigen with high specificity makes them a strong candidate for sensing and detection applications. Microscale patterning of antibodies is desired for the miniaturization of sensors and fundamental cell biology studies. However, existing methodologies to pattern antibodies at the microscale are multi-step. In this work, we demonstrate microscale patterning of antibodies on a glass coverslip in a single step photolithography process. The microscale features of the photoresist were generated on the coverslip using photolithography, and the antibody solution was incubated...
January 16, 2017: Biofabrication
https://www.readbyqxmd.com/read/28092631/optoelectrofluidic-printing-system-for-fabricating-hydrogel-sheets-with-on-demand-patterned-cells-and-microparticles
#8
Hyun Ji Gi, Dongsik Han, Je-Kyun Park
This paper presents a novel optoelectrofluidic printing system that facilitates not only the optoelectrofluidic patterning of microparticles and mammalian cells but also the harvesting of the patterned microparticles encapsulated within poly(ethylene glycol) dicarylate (PEGDA) hydrogel sheets. Although optoelectrofluidic technology has numerous advantages for programmable and on-demand patterning and the feasibility of manipulating single microparticles, practical applications using existing laboratory infrastructure in biological and clinical research fields have been strictly restricted due to the impossibility of recovering the final patterned product...
January 16, 2017: Biofabrication
https://www.readbyqxmd.com/read/28092609/horse-expert-an-aided-expert-system-for-diagnosing-horse-diseases
#9
H Qin, J Xiao, X Gao, H Wang
In contrast to the rapid development of the horse husbandry in China, the ability of horse veterinarians to diagnose diseases has not been improved and only a few domain experts have considerable expertise. At present, many expert systems have been developed for diseases diagnosis, but few for horse diseases diagnosis have been studied in depth. This paper presents the design and development of a computer-aided expert system for diagnosing horse diseases. We suggest an approach for diagnosis of horse diseases based on the analysis of diagnostic characteristics and the experiential knowledge of domain experts...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092566/wake-up-exoskeleton-to-assist-children-with-cerebral-palsy-design-and-preliminary-evaluation-in-level-walking
#10
Fabrizio Patane, Stefano Rossi, Fausto Del Sette, Juri Taborri, Paolo Cappa
This paper presents the modular design and control of a novel compliant lower limb multi-joint exoskeleton for the rehabilitation of ankle knee mobility and locomotion of pediatric patients with neurological diseases, such as Cerebral Palsy (CP). The device consists of an untethered powered knee-ankle-foot orthosis (KAFO), addressed as WAKE-up (Wearable Ankle Knee Exoskeleton), characterized by a position control and capable of operating synchronously and synergistically with the human musculoskeletal system...
January 11, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28092554/graph-laplacian-regularization-for-image-denoising-analysis-in-the-continuous-domain
#11
Jiahao Pang, Gene Cheung
Inverse imaging problems are inherently underdetermined, and hence it is important to employ appropriate image priors for regularization. One recent popular prior- the graph Laplacian regularizer-assumes that the target pixel patch is smooth with respect to an appropriately chosen graph. However, the mechanisms and implications of imposing the graph Laplacian regularizer on the original inverse problem are not well understood. To address this problem, in this paper we interpret neighborhood graphs of pixel patches as discrete counterparts of Riemannian manifolds and perform analysis in the continuous domain, providing insights into several fundamental aspects of graph Laplacian regularization for image denoising...
January 11, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092548/linear-spectral-clustering-superpixel
#12
Jiansheng Chen, Zhengqin Li, Bo Huang
In this paper, we present a superpixel segmentation algorithm called linear spectral clustering (LSC), which is capable of producing superpixels with both high boundary adherence and visual compactness for natural images with low computational costs. In LSC, a normalized cuts based formulation of image segmentation is adopted using a distance metric that measures both the color similarity and the space proximity between image pixels. However, rather than directly using the traditional eigen-based algorithm, we approximate the similarity metric through a deliberately designed kernel function such that pixel values can be explicitly mapped to a high-dimensional feature space...
January 11, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092541/quality-assessment-of-sharpened-images-challenges-methodology-and-objective-metrics
#13
Lukas Krasula, Patrick Le Callet, Karel Fliegel, Milos Klima
Most of the effort in image quality assessment (QA) has been so far dedicated to the degradation of the image. However, there are also many algorithms in the image processing chain that can enhance the quality of an input image. These include procedures for contrast enhancement, deblurring, sharpening, up-sampling, denoising, transfer function compensation, etc. In this work, possible strategies for the quality assessment of sharpened images are investigated. This task is not trivial because the sharpening techniques can increase the perceived quality, as well as introduce artifacts leading to the quality drop (over-sharpening)...
January 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092419/improving-access-to-health-care-for-chronic-hepatitis-b-among-migrant-chinese-populations-a-systematic-mixed-methods-review-of-barriers-and-enablers
#14
Alicia Vedio, Eva Zhi Hong Liu, Andrew Ck Lee, Sarah Salway
Migrant Chinese populations in Western countries have a high prevalence of chronic hepatitis B but often experience poor access to healthcare and late diagnosis. This systematic review aimed to identify obstacles and supports to timely and appropriate health service use among these populations. Systematic searches resulted in 48 relevant studies published between 1996 and 2015. Data extraction and synthesis were informed by models of healthcare access that highlight the interplay of patient, provider and health system factors...
January 16, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28092407/study-of-potential-health-effects-of-electromagnetic-fields-of-telephony-and-wi-fi-using-chicken-embryo-development-as-animal-model
#15
Henri Woelders, Agnes de Wit, Alexander Lourens, Norbert Stockhofe, Bas Engel, Ina Hulsegge, Dirkjan Schokker, Paula van Heijningen, Stefan Vossen, Dave Bekers, Peter Zwamborn
The objective of this study is to investigate possible biological effects of radiofrequency electromagnetic fields (RF-EMF) as used in modern wireless telecommunication in a well-controlled experimental environment using chicken embryo development as animal model. Chicken eggs were incubated under continuous experimental exposure to GSM (1.8 GHz), DECT (1.88 GHz), UMTS (2.1 GHz), and WLAN (5.6 GHz) radiation, with the appropriate modulation protocol, using a homogeneous field distribution at a field strength of approximately 3 V/m, representing the maximum field level in a normal living environment...
January 16, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28092372/direct-control-of-regulatory-t-cells-by-keratinocytes
#16
Mariko Kashiwagi, Junichi Hosoi, Jen-Feng Lai, Janice Brissette, Steven F Ziegler, Bruce A Morgan, Katia Georgopoulos
Environmental challenges to epithelial cells trigger gene expression changes that elicit context-appropriate immune responses. We found that the chromatin remodeler Mi-2β controls epidermal homeostasis by regulating the genes involved in keratinocyte and immune-cell activation to maintain an inactive state. Mi-2β depletion resulted in rapid deployment of both a pro-inflammatory and an immunosuppressive response in the skin. A key target of Mi-2β in keratinocytes is the pro-inflammatory cytokine thymic stromal lymphopoietin (TSLP)...
January 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28092316/expanded-newborn-screening-challenges-to-nicu-nurses
#17
Rachel A Joseph
BACKGROUND: Newborn screening programs provide testing for all newborns born in this country for conditions that can potentially cause death or disability. Currently each state is responsible for its programs and the number of disorders screened varies from state to state. The current universal recommended metabolic screening panel may include 32 to 58 disorders. Expansion of the programs has impacted the role of nurses in the neonatal intensive care units (NICUs). Nurses are responsible for facilitating the screening process, educating the family, and assisting with follow-up...
January 12, 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/28092305/prevalence-and-impact-of-inflammatory-bowel-disease-irritable-bowel-syndrome-on-patient-reported-outcomes-in-ccfa-partners
#18
Maisa I Abdalla, Robert S Sandler, Michael D Kappelman, Christopher F Martin, Wenli Chen, Kristen Anton, Millie D Long
BACKGROUND: Inflammatory bowel disease (IBD) patients with persistent symptoms despite no or minimal inflammation are frequently described as having an overlap of IBD and irritable bowel syndrome (IBD-IBS). Limited data are available on how IBS impacts the individual patient with IBD. In this study, we aimed to evaluate the prevalence of IBD-IBS and investigate its impact on patient-reported outcomes. METHOD: We performed a cross-sectional analysis within the CCFA Partners Study...
January 12, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28092290/clinical-recommendations-of-cardiac-magnetic-resonance-part-ii-inflammatory-and-congenital-heart-disease-cardiomyopathies-and-cardiac-tumors-a-position-paper-of-the-working-group-applicazioni-della-risonanza-magnetica-of-the-italian-society-of-cardiology
#19
Gianluca Pontone, Gianluca Di Bella, Castelletti Silvia, Viviana Maestrini, Pierluigi Festa, Lamia Ait-Ali, Pier Giorgio Masci, Lorenzo Monti, Gabriella di Giovine, Manuel De Lazzari, Alberto Cipriani, Andrea I Guaricci, Santo Dellegrottaglie, Alessia Pepe, Martina Perazzolo Marra, Giovanni Donato Aquaro
The current document was developed by the working group on the 'application of cardiac magnetic resonance' of the Italian Society of Cardiology to provide a perspective on the current state of technical advances and clinical cardiac magnetic resonance applications and to inform cardiologists how to implement their clinical and diagnostic pathway with the introduction of this technique in the clinical practice. Appropriateness criteria were defined using a score system: score 1-3 = inappropriate (test is not generally acceptable and is not a reasonable approach for the indication), score 4-6 = uncertain (test may be generally acceptable and may be a reasonable approach for the indication but more research and/or patient information is needed to classify the indication definitively) and score 7-9 = appropriate (test is generally acceptable and is a reasonable approach for the indication)...
January 13, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28092287/current-and-future-management-of-the-young-child-with-early-onset-wheezing
#20
Allison J Burbank, Stanley J Szefler
PURPOSE OF REVIEW: In this review, we discuss current thinking in relation to available guidelines for the care of preschool-aged children with recurrent wheezing, while highlighting the gaps in our knowledge and discussing changes that could occur over the next 5 years. RECENT FINDINGS: The Asthma Predictive Index as well as allergen-specific IgE, peripheral eosinophil count and exhaled nitric oxide are perhaps underutilized sources of information that can assist in predicting progression to asthma and response to therapies...
January 13, 2017: Current Opinion in Allergy and Clinical Immunology
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