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https://www.readbyqxmd.com/read/28231471/pathogenic-potential-and-virulence-genotypes-of-intestinal-and-faecal-isolates-of-porcine-post-weaning-enteropathogenic-escherichia-coli
#1
Anna Malik, Béla Nagy, Renáta Kugler, Ama Szmolka
Enteropathogenic Escherichia coli (EPEC) are frequent causes of diarrhoea in infants and in young mammals by inducing attaching effacing (AE) lesions of the intestinal epithelium. EPEC bacteria have also been implicated in cases of porcine post-weaning diarrhoea but their pathogenicity for conventional weaned pigs remains less elucidated. This present study investigates differences in pathogenic potential and virulence genotypes of intestinal and faecal isolates of EPEC from newly-weaned pigs. For this we inoculated ligated ileal loops of four weeks old weaned pigs to assess EPEC adherence to enterocytes by histology and immunohistology...
February 9, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28230991/electron-accumulation-on-naphthalene-diimide-photosensitized-by-ru-2-2-bipyridine-3-2
#2
Michael Skaisgirski, Xingwei Guo, Oliver S Wenger
In a molecular triad comprised of a central naphthalene diimide (NDI) unit flanked by two [Ru(bpy)3](2+) (bpy = 2,2'-bipyridine) sensitizers, NDI(2-) is formed after irradiation with visible light in deaerated CH3CN in the presence of excess triethylamine. The mechanism for this electron accumulation involves a combination of photoinduced and thermal elementary steps. In a structurally related molecular pentad with two peripheral triarylamine (TAA) electron donors attached covalently to a central [Ru(bpy)3](2+)-NDI-[Ru(bpy)3](2+) core but no sacrificial reagents present, photoexcitation only leads to NDI(-) (and TAA(+)), whereas NDI(2-) is unattainable due to rapid electron transfer events counteracting charge accumulation...
February 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28230270/a-phase-2-study-of-lenalidomide-rituximab-cyclophosphamide-and-dexamethasone-lr-cd-for-untreated-low-grade-non-hodgkin-lymphoma-requiring-therapy
#3
Allison Rosenthal, Amylou C Dueck, Stephen Ansell, Katherine Gano, Christopher Conley, Grzegorz S Nowakowski, John Camoriano, Jose F Leis, Joseph R Mikhael, A Keith Stewart, David Inwards, David Dingli, Shaji Kumar, Pierre Noel, Morie Gertz, Luis Porrata, Stephen Russell, Joseph Colgan, Rafael Fonseca, Thomas M Habermann, Prashant Kapoor, Francis Buadi, Nelson Leung, Rodger Tiedemann, Thomas E Witzig, Craig Reeder
Patients with indolent NHL have multiple treatment options yet there is no consensus as to the best initial therapy. Lenalidomide, an immunomodulatory agent, has single agent activity in relapsed lymphoma. This trial was conducted to assess feasibility, efficacy and safety of adding lenalidomide to rituximab, cyclophosphamide, and dexamethasone (LR-CD) in untreated indolent NHL patients requiring therapy. This was a single institution phase II trial. Treatment consisted of IV rituximab 375mg/m(2) day 1, oral lenalidomide 20mg days 1-21, cyclophosphamide 250mg/m(2) days 1, 8, 15, and dexamethasone 40mg days 1, 8, 15, 22, of a 28-day cycle...
February 23, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28230241/results-of-a-phase-ii-open-label-non-comparative-study-of-intralesional-pv-10-followed-by-radiotherapy-for-the-treatment-of-in-transit-or-metastatic-melanoma
#4
Matthew Foote, Tavis Read, Janine Thomas, Michael Wagels, Bryan Burmeister, B Mark Smithers
BACKGROUND: In-transit and recurrent dermal or subcutaneous melanoma metastases represent a significant burden of advanced disease. Intralesional Rose Bengal can elicit tumor selective ablation and a T-cell mediated abscopal effect in untreated lesions. A subset of patients in a phase II trial setting received external beam radiotherapy to their recurrent lesions with complete or partial response and no significant acute radiation reaction. METHODS: An open-label, single-arm phase II study was performed to assess the efficacy and safety of PV-10 followed by hypofractionated radiotherapy...
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28230230/bronchoscopic-lung-volume-reduction-procedures-for-chronic-obstructive-pulmonary-disease
#5
REVIEW
Joseph Em van Agteren, Khin Hnin, Dion Grosser, Kristin V Carson, Brian J Smith
BACKGROUND: In the recent years, a variety of bronchoscopic lung volume reduction (BLVR) procedures have emerged that may provide a treatment option to participants suffering from moderate to severe chronic obstructive pulmonary disease (COPD). OBJECTIVES: To assess the effects of BLVR on the short- and long-term health outcomes in participants with moderate to severe COPD and determine the effectiveness and cost-effectiveness of each individual technique. SEARCH METHODS: Studies were identified from the Cochrane Airways Group Specialised Register (CAGR) and by handsearching of respiratory journals and meeting abstracts...
February 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28230081/direct-observation-of-oxygen-vacancy-driven-structural-and-resistive-phase-transitions-in-la2-3sr1-3mno3
#6
Lide Yao, Sampo Inkinen, Sebastiaan van Dijken
Resistive switching in transition metal oxides involves intricate physical and chemical behaviours with potential for non-volatile memory and memristive devices. Although oxygen vacancy migration is known to play a crucial role in resistive switching of oxides, an in-depth understanding of oxygen vacancy-driven effects requires direct imaging of atomic-scale dynamic processes and their real-time impact on resistance changes. Here we use in situ transmission electron microscopy to demonstrate reversible switching between three resistance states in epitaxial La2/3Sr1/3MnO3 films...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28230062/triple-combination-therapy-in-the-treatment-of-hypertension-a-review-of-the-evidence
#7
REVIEW
R Düsing, B Waeber, M Destro, C Santos Maia, P Brunel
Hypertension is a serious public health concern with inadequate control of blood pressure (BP) worldwide. Contributing factors include low efficacy of drugs, underuse of combination therapies, irrational combinations, physicians' therapeutic inertia and poor adherence to treatment. Current guidelines recommend the use of initial (dual) combination therapy in high-risk patients for immediate BP response, better short- and long-term BP control, and continued/improved patient adherence. This article aims to review the existing evidence of triple-combination therapies with respect to efficacy, safety and adherence to treatment...
February 23, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28229371/overall-survival-and-metastasis-resections-in-patients-with-metastatic-colorectal-cancer-using-electronic-medical-records
#8
Eetu Heervä, Maija Lavonius, Panu Jaakkola, Heikki Minn, Raija Ristamäki
PURPOSE: Treatment for patients with metastatic colorectal cancer is chemotherapy commonly combined with monoclonal antibodies against vascular endothelial growth factor (bevacizumab) or epidermal growth factor receptor (cetuximab or panitumumab), the efficacy of which has been proven in randomized controlled trials. The objective of the current retrospective study was to analyze the impact of targeted therapy, adverse events, and dose reduction on overall survival (OS) and metastasis resection rates...
February 23, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28229274/oral-antiplatelet-drugs-in-patients-with-chronic-kidney-disease-ckd-a-review
#9
REVIEW
Homam Ibrahim, Sunil V Rao
Oral Antiplatelet Drugs (OAD) have a proven track record in the risk reduction of major cardiovascular events in patients with cardiovascular disease and normal kidney function. However, major gaps exist in our understanding of their effects on thrombosis and bleeding in chronic kidney disease (CKD). Clinical practice guidelines are ambiguous about use of such drugs in CKD patients, because patients with moderate to severe CKD were systematically excluded from clinical trials evaluating the efficacy and safety of OAD...
February 22, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28229115/data-on-the-auditory-duration-mismatch-negativity-for-different-sound-pressure-levels-and-visual-perceptual-loads
#10
Stefan Wiens, Malina Szychowska, Rasmus Eklund, Mats E Nilsson
The data presented in this article are related to our research article entitled "Effects of sound pressure level and visual perceptual load on the auditory mismatch negativity" (M. Szychowska, R. Eklund, M.E. Nilsson, S. Wiens, 2016) [1]. The duration MMN was recorded at three sound pressure levels (SPLs) during two levels of visual perceptual load. In an oddball paradigm (standard=75 ms, deviant=30 ms, within-subjects design), participants were presented with tones at 56, 66, or 76 dB SPL (between-subjects design)...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28229068/the-characteristics-of-emotional-response-of-post-traumatic-stress-disorder-and-post-traumatic-growth-among-chinese-adults-exposed-to-an-explosion-incident
#11
Chuguang Wei, Jin Han, Yuqing Zhang, Walter Hannak, Zhengkui Liu
PURPOSE: Post-traumatic stress disorder (PTSD) and post-traumatic growth (PTG) are two different outcomes that may occur after experiencing traumatic events. Meanwhile, the traumatic exposure level and emotion response played an important role in the process. The present study first evaluated the relationship between PTSD, PTG, and traumatic exposure level and then compared the characteristics of emotional response through response time of the affective priming paradigm. METHODS: For the purpose of evaluating the relationship between PTSD, PTG, and trauma exposure level, a sample of 2,395 participants completed measures of posttraumatic stress disorder Checklist-Civilian Version (PCL-C), Post-traumatic Growth Inventory (PTGI) and a trauma exposure-related survey, and Pearson's correlation analysis for the scales were conducted...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28228331/-efficacy-and-safety-of-available-therapies-in-the-management-of-idiopathic-overactive-bladder-a-systematic-review-of-the-literature
#12
J Moyson, F Legrand, M Vanden Bossche, T Quackels, T Roumeguère
OBJECTIVE: Study the efficacy and adverse events of different pharmacological lines in the treatment of idiopathic overactive bladder (iOAB). METHODS: PubMed research on meta-analyses and randomized controlled trials (RCT) focused on the efficacy and adverse effects of anticholinergics, botulinum toxin and mirabegron since 2005. RESULTS: Ten meta-analyses of anticholinergics were selected; 16 randomized controlled trials (ERC) comparing botulinum toxin A to either anticholinergic or placebo and 10 ERC studying mirabegron...
February 19, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28228310/comparison-of-pesi-echocardiogram-ctpa-and-nt-probnp-as-risk-stratification-tools-in-patients-with-acute-pulmonary-embolism
#13
A Vamsidhar, D Rajasekhar, V Vanajakshamma, A Y Lakshmi, K Latheef, C Siva Sankara, G Obul Reddy
OBJECTIVE: The aim of this study is to prospectively assess the diagnostic accuracy of pulmonary embolism severity index, echocardiogram, computed tomography pulmonary angiogram (CTPA), and N-terminal pro b-type natriuretic peptide (NT-proBNP) for predicting adverse events in acute pulmonary embolism patients. METHODS: Thirty consecutive acute pulmonary embolism patients were included in this study. Combined adverse events consisted of in-hospital death or use of escalation of care including cardiopulmonary resuscitation, mechanical ventilation, vasopressor therapy, or secondary thrombolysis during hospital stay...
January 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28228132/information-needs-for-making-clinical-recommendations-about-potential-drug-drug-interactions-a-synthesis-of-literature-review-and-interviews
#14
Katrina M Romagnoli, Scott D Nelson, Lisa Hines, Philip Empey, Richard D Boyce, Harry Hochheiser
BACKGROUND: Drug information compendia and drug-drug interaction information databases are critical resources for clinicians and pharmacists working to avoid adverse events due to exposure to potential drug-drug interactions (PDDIs). Our goal is to develop information models, annotated data, and search tools that will facilitate the interpretation of PDDI information. To better understand the information needs and work practices of specialists who search and synthesize PDDI evidence for drug information resources, we conducted an inquiry that combined a thematic analysis of published literature with unstructured interviews...
February 22, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28227967/a-stimulation-driven-exoskeleton-for-walking-after-paraplegia
#15
Sarah R Chang, Mark J Nandor, Lu Li, Kevin M Foglyano, John R Schnellenberger, Rudi Kobetic, Roger D Quinn, Ronald J Triolo, Sarah R Chang, Mark J Nandor, Lu Li, Kevin M Foglyano, John R Schnellenberger, Rudi Kobetic, Roger D Quinn, Ronald J Triolo, Mark J Nandor, Rudi Kobetic, Roger D Quinn, John R Schnellenberger, Sarah R Chang, Kevin M Foglyano, Lu Li, Ronald J Triolo
An untethered version of a stimulation-driven exoskeleton was evaluated for its ability to restore walking after paralysis from spinal cord injury. The hybrid neuroprosthesis (HNP) combined a passive variable-constraint exoskeleton for stability and support with functional neuromuscular stimulation (FNS) to contract the paralyzed muscles to drive limb movement. This self-contained HNP was operated by an onboard controller that sampled sensor signals, generated appropriate commands to both the exoskeletal constraints and integrated stimulator, and transmitted data wirelessly via Bluetooth to an off-board computer for real-time monitoring and recording for offline analysis...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227841/comparing-eeg-its-time-derivative-and-their-joint-use-as-features-in-a-bci-for-2-d-pointer-control
#16
Dimitrios Andreou, Riccardo Poli, Dimitrios Andreou, Riccardo Poli, Riccardo Poli, Dimitrios Andreou
Efficient and accurate classification of event related potentials is a core task in brain-computer interfaces (BCI). This is normally obtained by first extracting features from the voltage amplitudes recorded via EEG at different channels and then feeding them into a classifier. In this paper we evaluate the relative benefits of using the first order temporal derivatives of the EEG signals, not the EEG signals themselves, as inputs to the BCI: an area that has not been thoroughly examined. Specifically, we compare the classification performance of features extracted from the first derivative, with those derived from the amplitude, as well as their combination using data from a P300-based BCI mouse...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227708/towards-detection-of-sleep-apnea-events-by-combining-different-non-contact-measurement-modalities
#17
Abdul Q Javaid, Carlo M Noble, Russell Rosenberg, Mary A Weitnauer, Abdul Q Javaid, Carlo M Noble, Russell Rosenberg, Mary A Weitnauer, Carlo M Noble, Abdul Q Javaid, Mary A Weitnauer, Russell Rosenberg
In this work, we extract features from an under-the-mattress impulse radio ultra-wide band (IR-UWB) radar and a microphone, placed on the side table of the bed, to classify epochs belonging to normal sleep and those that contain an apnea event in them. Sleep apnea is the most common form of sleep related breathing disorder in adults with an estimated prevalance of 5-15%. The common diagnostic process for sleep apnea, polysomnography (PSG), involves sleeping in well-equipped sleep clinics. The cost and discomfort associated with the process has spurred research towards the design of portable home-based monitoring devices...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227695/implantable-gastric-electric-stimulator-with-automatic-daily-activity-compliance-reporting
#18
Eri Takami, Javier J Sanchez, Rose Province, Antonio J Torres, Eri Takami, Javier J Sanchez, Rose Province, Antonio J Torres, Eri Takami, Javier J Sanchez, Antonio J Torres, Rose Province
In order for any obesity therapy to be successful real behavior change by the individual is required. We present an implantable obesity therapy that combines gastric electrical stimulation for satiety with onboard sensors that provide self-monitoring for the patient and compliance reporting to the clinician. An algorithm for processing data from the onboard three axis accelerometer for use in physical activity monitoring was developed and validated. Four obese patients participated in a study where self-reported sleep and exercise was compared with the events detected by the implanted system, and two commercially available, wearable activity monitors...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227364/a-method-to-quantify-co-localization-in-biological-images
#19
Shiwen Zhu, Roy E Welsch, Paul T Matsudaira, Shiwen Zhu, Roy E Welsch, Paul T Matsudaira, Roy E Welsch, Paul T Matsudaira, Shiwen Zhu
Quantitative co-localization analysis with fluorescent microscopy is a common approach to assess the spatial co-ordination of molecules and thus to understand their functions in biological processes. However, the co-localization analysis results might not be consistent due to various imaging conditions and different quantification methods used. We propose a novel method to separate a co-localization event into two aspects: co-occurrence and intensity correlation, which are usually combined as one parameter in other quantitative co-localization analyses...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227321/fall-detection-algorithms-for-real-world-falls-harvested-from-lumbar-sensors-in-the-elderly-population-a-machine-learning-approach
#20
Alan K Bourke, Jochen Klenk, Lars Schwickert, Kamiar Aminian, Espen A F Ihlen, Sabato Mellone, Jorunn L Helbostad, Lorenzo Chiari, Clemens Becker, Alan K Bourke, Jochen Klenk, Lars Schwickert, Kamiar Aminian, Espen A F Ihlen, Sabato Mellone, Jorunn L Helbostad, Lorenzo Chiari, Clemens Becker, Lorenzo Chiari, Lars Schwickert, Kamiar Aminian, Clemens Becker, Jorunn L Helbostad, Jochen Klenk, Alan K Bourke, Sabato Mellone, Espen A F Ihlen
Automatic fall detection will promote independent living and reduce the consequences of falls in the elderly by ensuring people can confidently live safely at home for linger. In laboratory studies inertial sensor technology has been shown capable of distinguishing falls from normal activities. However less than 7% of fall-detection algorithm studies have used fall data recorded from elderly people in real life. The FARSEEING project has compiled a database of real life falls from elderly people, to gain new knowledge about fall events and to develop fall detection algorithms to combat the problems associated with falls...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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