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https://www.readbyqxmd.com/read/28550415/high-expression-of-grp78-bip-as-a-novel-predictor-of-favorable-outcomes-in-patients-with-advanced-thymic-carcinoma
#1
Yosuke Miura, Kyoichi Kaira, Reiko Sakurai, Hisao Imai, Yoshio Tomizawa, Noriaki Sunaga, Koichi Minato, Takeshi Hisada, Tetsunari Oyama, Masanobu Yamada
BACKGROUND: Glucose-regulated protein (GRP) 78/immunoglobulin heavy chain binding protein (BiP) is a member of the endoplasmic reticulum chaperone family, and its role in various types of human malignancies has recently been investigated. However, the clinicopathological characteristics of GRP78/BiP in advanced thymic carcinoma (ATC) remain unknown. We aimed to examine the relationship between GRP78/BiP expression and the clinical outcomes of ATC patients. METHODS: Thirty-four patients with ATC receiving combination chemotherapy at three institutions between April 1998 and April 2014 were enrolled in this study...
May 26, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28550374/performance-of-an-artificial-multi-observer-deep-neural-network-for-fully-automated-segmentation-of-polycystic-kidneys
#2
Timothy L Kline, Panagiotis Korfiatis, Marie E Edwards, Jaime D Blais, Frank S Czerwiec, Peter C Harris, Bernard F King, Vicente E Torres, Bradley J Erickson
Deep learning techniques are being rapidly applied to medical imaging tasks-from organ and lesion segmentation to tissue and tumor classification. These techniques are becoming the leading algorithmic approaches to solve inherently difficult image processing tasks. Currently, the most critical requirement for successful implementation lies in the need for relatively large datasets that can be used for training the deep learning networks. Based on our initial studies of MR imaging examinations of the kidneys of patients affected by polycystic kidney disease (PKD), we have generated a unique database of imaging data and corresponding reference standard segmentations of polycystic kidneys...
May 26, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28550023/the-super-study-protocol-for-a-randomised-controlled-trial-comparing-follicle-stimulating-hormone-and-clomiphene-citrate-for-ovarian-stimulation-in-intrauterine-insemination
#3
N A Danhof, M van Wely, Cam Koks, J Gianotten, J P de Bruin, B J Cohlen, D P van der Ham, N F Klijn, Mha van Hooff, Fjm Broekmans, K Fleischer, Cah Janssen, J M Rijn van Weert, J van Disseldorp, M Twisk, M Traas, Mfg Verberg, M J Pelinck, J Visser, Dam Perquin, DES Boks, H R Verhoeve, C F van Heteren, Bwj Mol, S Repping, F van der Veen, M H Mochtar
OBJECTIVE: To study the effectiveness of four cycles of intrauterine insemination (IUI) with ovarian stimulation (OS) by follicle-stimulating hormone (FSH) or by clomiphene citrate (CC), and adherence to strict cancellation criteria. SETTING: Randomised controlled trial among 22 secondary and tertiary fertility clinics in the Netherlands. PARTICIPANTS: 732 women from couples diagnosed with unexplained or mild male subfertility and an unfavourable prognosis according to the model of Hunault of natural conception...
May 25, 2017: BMJ Open
https://www.readbyqxmd.com/read/28549789/systematic-approaches-to-adverse-events-in-obstetrics-part-i-event-identification-and-classification
#4
Christian M Pettker
Despite our best intentions to improve health when a patient presents for care, adverse events are ubiquitous in medical practice today. Known complications related to the course of a patient's illness or condition or to the characteristics of the treatment have been an openly stated part of taking care of patients for centuries. However, it is only in the past decade that preventable adverse events, instances of harm related to error and deviations in accepted practice have become a primary part of these conversations...
May 23, 2017: Seminars in Perinatology
https://www.readbyqxmd.com/read/28549750/shared-decision-making-in-brazil-concrete-efforts-to-empowering-patient-s-voice
#5
Mirhelen Mendes de Abreu, Joao Pedro Simao de Mello, Lilah Ferreira F Ribeiro, Luiza Andrade Mussi, Mariana Luiza L Borges, Maurício Petroli, Nycholas da Costa Tavares, Rafael da Cunha Cancela, Sabrina Fausto de Lima
Patient involvement in healthcare decisions has grown in Brazil at three different levels: 1) the macro level, which includes the patient actively influencing legislation and regulation of medical care as well as political changes in the process of care itself; 2) the meso level, which includes institutions that aim to improve information, empowerment and counseling to patients, and 3) the micro level, which focuses on the actual decision-making process that takes place within patient-physician encounter. In Brazil, the macro and meso levels are stronger than the micro one...
May 23, 2017: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/28549293/automated-recognition-of-the-pericardium-contour-on-processed-ct-images-using-genetic-algorithms
#6
É O Rodrigues, L O Rodrigues, L S N Oliveira, A Conci, P Liatsis
This work proposes the use of Genetic Algorithms (GA) in tracing and recognizing the pericardium contour of the human heart using Computed Tomography (CT) images. We assume that each slice of the pericardium can be modelled by an ellipse, the parameters of which need to be optimally determined. An optimal ellipse would be one that closely follows the pericardium contour and, consequently, separates appropriately the epicardial and mediastinal fats of the human heart. Tracing and automatically identifying the pericardium contour aids in medical diagnosis...
May 17, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28549063/food-addiction-and-obesity-unnecessary-medicalization-of-hedonic-overeating
#7
REVIEW
Graham Finlayson
The concept of addiction is loaded with connotations and is often used for its political as much as its medical utility. The scientific case for 'food addiction' as a clinical phenotype currently rests on its association with generic diagnostic criteria for substance-related disorders being applied to everyday foods and eating-related problems. This has fused the concept of obesity with addiction regardless of whether it fits the definition. The hedonic, or reward, system can account for the ingestion of foods and drugs, confirming that they share neural substrates that differentiate liking and wanting...
May 26, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28548893/dynamic-decision-making-learning-processes-and-new-research-directions
#8
Cleotilde Gonzalez, Pegah Fakhari, Jerome Busemeyer
OBJECTIVE: The aim of this manuscript is to provide a review of contemporary research and applications on dynamic decision making (DDM). BACKGROUND: Since early DDM studies, there has been little systematic progress in understanding decision making in complex, dynamic systems. Our review contributes to better understanding of decision making processes in dynamic tasks. METHOD: We discuss new research directions in DDM to highlight the value of simplification in the study of complex decision processes, divided into experimental and theoretical/computational approaches, and focus on problems involving control tasks and search-and-choice tasks...
May 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28548648/electronic-retinal-implants-and-artificial-vision-journey-and-present
#9
REVIEW
J O Mills, A Jalil, P E Stanga
Retinitis pigmentosa and age-related macular degeneration are two significant causes of severe visual dysfunction. In both, the retinal photoreceptors degenerate, preventing successful conversion of light into electrical energy that is interpreted in the visual cortex as visual function. Artificial vision or visual function began over two centuries ago with the idea of creating artificial light pulses, or phosphenes, through cortical stimulation. The pursuit is now on to improve artificial visual function. Two retinal implants appear the most likely to succeed in the future having undergone multicentre human trials: the Argus II electronic epiretinal device (Second Sight Medical Products, CA, USA) and Alpha-IMS electronic subretinal device (Retina Implant AG, Germany)...
May 26, 2017: Eye
https://www.readbyqxmd.com/read/28547895/review-of-flexible-temperature-sensing-networks-for-wearable-physiological-monitoring
#10
REVIEW
Qiao Li, Li-Na Zhang, Xiao-Ming Tao, Xin Ding
Physiological temperature varies temporally and spatially. Accurate and real-time detection of localized temperature changes in biological tissues regardless of large deformation is crucial to understand thermal principle of homeostasis, to assess sophisticated health conditions, and further to offer possibilities of building a smart healthcare and medical system. Additionally, continuous temperature mapping in flexible and stretchable formats opens up many other potential areas, such as artificially electronic skins and reflection of emotional changes...
May 26, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28547736/rice-bran-metabolome-contains-amino-acids-vitamins-cofactors-and-phytochemicals-with-medicinal-and-nutritional-properties
#11
Iman Zarei, Dustin G Brown, Nora Jean Nealon, Elizabeth P Ryan
BACKGROUND: Rice bran is a functional food that has shown protection against major chronic diseases (e.g. obesity, diabetes, cardiovascular disease and cancer) in animals and humans, and these health effects have been associated with the presence of bioactive phytochemicals. Food metabolomics uses multiple chromatography and mass spectrometry platforms to detect and identify a diverse range of small molecules with high sensitivity and precision, and has not been completed for rice bran...
December 2017: Rice
https://www.readbyqxmd.com/read/28547702/emerging-treatments-in-eating-disorders
#12
REVIEW
Michael Lutter
Eating disorders (EDs), including anorexia nervosa, bulimia nervosa, and binge-eating disorder, constitute a class of common and deadly psychiatric disorders. While numerous studies in humans highlight the important role of neurobiological alterations in the development of ED-related behaviors, the precise neural substrate that mediates this risk is unknown. Historically, pharmacological interventions have played a limited role in the treatment of eating disorders, typically providing symptomatic relief of comorbid psychiatric issues, like depression and anxiety, in support of the standard nutritional and psychological treatments...
May 25, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28547001/new-mathematical-model-for-the-surface-area-of-the-left-ventricle-by-the-truncated-prolate-spheroid
#13
José Sérgio Domingues, Marcos de Paula Vale, Carlos Barreira Martinez
The main aim of this study was the formula application of the superficial area of a truncated prolate spheroid (TPS) in Cartesian coordinates in obtaining a cardiac parameter that is not so much discussed in literature, related to the left ventricle (LV) surface area of the human heart, by age and sex. First we obtain a formula for the area of a TPS. Then a simple mathematical model of association of the axes measures of a TPS with the axes of the LV is built. Finally real values of the average dimensions of the humans LV are used to measure surface areas approximations of this heart chamber...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28546688/collagen-cross-linking-for-microbial-keratitis
#14
Prashant Garg, Sujata Das, Aravind Roy
Collagen cross-linking is gaining popularity not only for arresting the progression of keratoconus but also other indications including management of corneal infections. In this review article, we analyzed the published literature to understand the level of evidence for its use in corneal ulcer. Photoactivated riboflavin and ultraviolet A light are known to possess antimicrobial properties. The treatment also induces formation of inter- and intra-fibrillar bonds, thereby making the corneal collagen resistant to the action of proteases arresting stromal melt...
January 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28545610/a-case-based-reasoning-system-based-on-weighted-heterogeneous-value-distance-metric-for-breast-cancer-diagnosis
#15
Dongxiao Gu, Changyong Liang, Huimin Zhao
OBJECTIVE: We present the implementation and application of a case-based reasoning (CBR) system for breast cancer related diagnoses. By retrieving similar cases in a breast cancer decision support system, oncologists can obtain powerful information or knowledge, complementing their own experiential knowledge, in their medical decision making. METHODS: We observed two problems in applying standard CBR to this context: the abundance of different types of attributes and the difficulty in eliciting appropriate attribute weights from human experts...
March 2017: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/28544679/sima-a-simplified-migration-assay-for-analyzing-neutrophil-migration
#16
Markus Weckmann, Tim Becker, Gyde Nissen, Martin Pech, Matthias V Kopp
In lung inflammation, neutrophils are the first leukocytes migrating to an inflammatory site, eliminating pathogens by multiple mechanisms. The term "migration" describes several stages of neutrophil movement to reach the site of inflammation, of which the passage of the interstitium and basal membrane of the airway are necessary to reach the site of bronchial inflammation. Currently, several methods exist (e.g., Boyden Chamber, under-agarose assay, or microfluidic systems) to assess neutrophil mobility. However, these methods do not allow for parameterization on single cell level, that is, the individual neutrophil pathway analysis is still considered challenging...
May 19, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28544333/image-based-modeling-and-scoring-of-howell-jolly-bodies-in-human-erythrocytes
#17
Oguzhan Angay, Mike Friedrich, Jürgen Pinnecker, Henning Hintzsche, Helga Stopper, Klaus Hempel, Katrin G Heinze
The spleen selectively removes cells with intracellular inclusions, for example, detached nuclear fragments in circulating erythrocytes, called Howell-Jolly Bodies (HJBs). With absent or deficient splenic function HJBs appear in the peripheral blood and can be used as a simple and non-invasive risk-indicator for fulminant potentially life-threatening infection after spleenectomy. However, it is still under debate whether counting of the rare HJBs is a reliable measure of splenic function. Investigating HJBs in premature erythrocytes from patients during radioiodine therapy gives about 10 thousand times higher HJB counts than in blood smears...
May 24, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28543794/loss-of-arid1a-expression-is-associated-with-poor-prognosis-in-invasive-micropapillary-carcinomas-of-the-breast-a-clinicopathologic-and-immunohistochemical-study-with-long-term-survival-analysis
#18
Semen Onder, Merdan Fayda, Hasan Karanlık, Aysel Bayram, Fatma Şen, Neslihan Cabioglu, Sıtkı Tuzlalı, Rıdvan İlhan, Ekrem Yavuz
Invasive micropapillary carcinoma (IMPC) of the breast is a highly aggressive and a rare subtype of breast cancer. In this study, we aimed to investigate differences between pure and mixed IMPCs of the breast in terms of clinicopathologic features, and also to analyze the significance of expressions of ARID1A and bcl-2 regarding prognosis. Sixty-nine of IMPCs consisting of 21 pure and 48 mixed type diagnosed at Pathology Department of Istanbul Medical Faculty between 2000 and 2011, who had complete follow-up data, were collected to analyze ARID1A and bcl-2 expressions immunohistochemically with prognosis...
May 23, 2017: Breast Journal
https://www.readbyqxmd.com/read/28543780/intranasal-midazolam-versus-rectal-diazepam-for-the-management-of-canine-status-epilepticus-a-multicenter-randomized-parallel-group-clinical-trial
#19
M Charalambous, S F M Bhatti, L Van Ham, S Platt, N D Jeffery, A Tipold, J Siedenburg, H A Volk, D Hasegawa, A Gallucci, G Gandini, M Musteata, E Ives, A E Vanhaesebrouck
BACKGROUND: Intranasal administration of benzodiazepines has shown superiority over rectal administration for terminating emergency epileptic seizures in human trials. No such clinical trials have been performed in dogs. OBJECTIVE: To evaluate the clinical efficacy of intranasal midazolam (IN-MDZ), via a mucosal atomization device, as a first-line management option for canine status epilepticus and compare it to rectal administration of diazepam (R-DZP) for controlling status epilepticus before intravenous access is available...
May 24, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28543411/crowdsourcing-the-moral-limits-of-human-gene-editing
#20
Eric T Juengst
In 2015, a flourish of "alarums and excursions" by the scientific community propelled CRISPR/Cas9 and other new gene-editing techniques into public attention. At issue were two kinds of potential gene-editing experiments in humans: those making inheritable germ-line modifications and those designed to enhance human traits beyond what is necessary for health and healing. The scientific consensus seemed to be that while research to develop safe and effective human gene editing should continue, society's moral uncertainties about these two kinds of experiments needed to be better resolved before clinical trials of either type should be attempted...
May 2017: Hastings Center Report
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