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https://www.readbyqxmd.com/read/28227693/using-bioimpedance-spectroscopy-parameters-as-real-time-feedback-during-tdcs
#1
Isar Nejadgholi, Herschel Caytak, Miodrag Bolic, Isar Nejadgholi, Herschel Caytak, Miodrag Bolic, Isar Nejadgholi, Miodrag Bolic, Herschel Caytak
An exploratory analysis is carried out to investigate the feasibility of using BioImpedance Spectroscopy (BIS) parameters, measured on scalp, as real-time feedback during Transcranial Direct Current Stimulation (tDCS). TDCS is shown to be a potential treatment for neurological disorders. However, this technique is not considered as a reliable clinical treatment, due to the lack of a measurable indicator of treatment efficacy. Although the voltage that is applied on the head is very simple to measure during a tDCS session, changes of voltage are difficult to interpret in terms of variables that affect clinical outcome...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227488/statistical-evaluation-of-manual-segmentation-of-a-diffuse-low-grade-glioma-mri-dataset
#2
Meriem Ben Abdallah, Marie Blonski, Sophie Wantz-Mezieres, Yann Gaudeau, Luc Taillandier, Jean-Marie Moureaux, Meriem Ben Abdallah, Marie Blonski, Sophie Wantz-Mezieres, Yann Gaudeau, Luc Taillandier, Jean-Marie Moureaux, Luc Taillandier, Jean-Marie Moureaux, Marie Blonski, Yann Gaudeau, Sophie Wantz-Mezieres, Meriem Ben Abdallah
Software-based manual segmentation is critical to the supervision of diffuse low-grade glioma patients and to the optimal treatment's choice. However, manual segmentation being time-consuming, it is difficult to include it in the clinical routine. An alternative to circumvent the time cost of manual segmentation could be to share the task among different practitioners, providing it can be reproduced. The goal of our work is to assess diffuse low-grade gliomas' manual segmentation's reproducibility on MRI scans, with regard to practitioners, their experience and field of expertise...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227433/microprinted-tumor-spheroids-enable-anti-cancer-drug-screening
#3
Pradip S Thakuri, Stephanie L Ham, Hossein Tavana, Pradip S Thakuri, Stephanie L Ham, Hossein Tavana, Stephanie L Ham, Hossein Tavana
Spheroids present a biologically relevant model of avascular tumors and a unique tool for discovery of anti-cancer drugs. Despite being used in research laboratories for several decades, spheroids are not routinely used for drug discovery primarily due to the difficulty of mass-producing uniformly-sized spheroids and intense labor involved in handling, drug treatment, and analyzing them. We overcome this barrier using a novel technology to robotically microprint spheroids in standard 384-well plates. An aqueous drop containing cancer cells is dispensed into a bath of a second, immiscible aqueous phase...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227379/parallel-generation-of-digitally-reconstructed-radiographs-on-heterogeneous-multi-gpu-workstations
#4
Marwan Abdellah, Asem Abdelaziz, E M B S Eslam Ali, Sherief Abdelaziz, Abdelrahman Sayed, Mohamed I Owis, Ayman Eldeib, Marwan Abdellah, Asem Abdelaziz, E M B S Eslam Ali, Sherief Abdelaziz, Abdelrahman Sayed, Mohamed I Owis, Ayman Eldeib, Sherief Abdelaziz, Mohamed I Owis, Abdelrahman Sayed, Marwan Abdellah, Asem Abdelaziz, Eslam Ali, Ayman Eldeib
The growing importance of three-dimensional radiotherapy treatment has been associated with the active presence of advanced computational workflows that can simulate conventional x-ray films from computed tomography (CT) volumetric data to create digitally reconstructed radiographs (DRR). These simulated x-ray images are used to continuously verify the patient alignment in image-guided therapies with 2D-3D image registration. The present DRR rendering pipelines are quite limited to handle huge imaging stacks generated by recent state-of-the-art CT imaging modalities...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227007/identification-of-blood-biomarkers-for-use-in-point-of-care-diagnosis-tool-for-alzheimer-s-disease
#5
E Jammeh, P Zhao, C Carroll, S Pearson, E Ifeachor, E Jammeh, P Zhao, C Carroll, S Pearson, E Ifeachor, C Carroll, E Jammeh, E Ifeachor, S Pearson, P Zhao
Early diagnosis of Alzheimer's Disease (AD) is widely regarded as necessary to allow treatment to be started before irreversible damage to the brain occur and for patients to benefit from new therapies as they become available. Low-cost point-of-care (PoC) diagnostic tools that can be used to routinely diagnose AD in its early stage would facilitate this, but such tools require reliable and accurate biomarkers. However, traditional biomarkers for AD use invasive cerebrospinal fluid (CSF) analysis and/or expensive neuroimaging techniques together with neuropsychological assessments...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226861/improved-electrode-material-for-deep-brain-stimulation
#6
A Petrossians, J J Whalen, J D Weiland, A Petrossians, J J Whalen, J D Weiland, J J Whalen, A Petrossians, J D Weiland
Deep brain stimulation (DBS) devices have been implanted for treatment of basic tremor, Parkinson's disease and dystonia. These devices use electrodes in contact with tissue to deliver electrical pulses to targeted cells, to elicit specific therapeutic responses. In general, the neuromodulation industry has been evolving towards smaller, less invasive electrodes. However, current electrode materials do not support small sizes without severely restricting the stimulus output. Hence, an improved electrode material will benefit present and future DBS systems...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226418/omalizumab-for-the-treatment-of-chronic-idiopathic-urticaria-systematic-review-of-the-literature
#7
Alessandro Tonacci, Lucia Billeci, Giovanni Pioggia, Michele Navarra, Sebastiano Gangemi
Omalizumab is recombinant humanized monoclonal antibody to immunoglobulin E. Guidelines for the treatment of chronic idiopathic urticaria (also known as chronic spontaneous urticaria) recommend the use of omalizumab as third-line therapy in addition to high doses of histamine receptor type 1 (H1 ) antihistamines when they are unsuccessful as first- and second-line therapy. We performed a systematic review of the literature to identify studies that evaluated the efficacy of omalizumab for the treatment of chronic idiopathic urticaria, both in controlled and real-world settings, to assess its potential role as a preferred therapy...
February 22, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28226414/methylene-blue-for-the-treatment-of-intractable-pain-associated-with-oral-mucositis
#8
Carlos J Roldan, Kent Nouri, Thomas Chai, Billy Huh
Oral mucositis is a common and often debilitating complication among cancer patients receiving radiation therapy to the head and neck or chemotherapy agents, or undergoing hematopoietic stem cell transplantation. Pain and decreased oral function associated with oral mucositis may persist long after the conclusion of therapy. Although most patients respond to conservative management, a subset of patients develop intractable pain with severe consequences. For some, the use of total parenteral nutrition with insertion of percutaneous endoscopic gastrostomy feeding tubes is the only alternative...
February 22, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28226405/comparative-effectiveness-of-long-acting-beta2-agonist-combined-with-a-long-acting-muscarinic-antagonist-or-inhaled-corticosteroid-in-chronic-obstructive-pulmonary-disease
#9
Jennifer C Samp, Min J Joo, Glen T Schumock, Gregory S Calip, A Simon Pickard, Todd A Lee
INTRODUCTION: Several dual bronchodilator fixed dose inhaler medications were recently approved for the treatment of chronic obstructive pulmonary disease (COPD). These products combine a long-acting beta2 -agonist (LABA) and long-acting muscarinic antagonist (LAMA). In clinical trials, the separate mechanisms of the bronchodilators resulted in improved lung function. COPD treatment guidelines currently recommend combination LABA/LAMA as alternative therapy to combination LABA/ inhaled corticosteroid (ICS)...
February 22, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28226340/oral-oxycodone-for-acute-postoperative-pain-a-review-of-clinical-trials
#10
Chi Wai Cheung, Stanley Sau Ching Wong, Qiu Qiu, Xianyu Wang
BACKGROUND: Opioids are the mainstay of pain management for acute postsurgical pain. Oral oxycodone is an opioid that can provide effective acute postoperative pain relief. OBJECTIVES: To evaluate the use of oral oxycodone for acute postoperative pain management. STUDY DESIGN: This is a narrative review based on published articles searched in PubMed and Medline from 2003 to 2015 on oral oxycodone for acute postoperative pain management. METHODS: Clinical trials related to the use of oral oxycodone for acute postoperative pain management were searched via PubMed and Medline from 2003 to 2015...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28226247/biologically-active-filters-an-advanced-water-treatment-process-for-contaminants-of-emerging-concern
#11
Shuangyi Zhang, Stephen W Gitungo, Lisa Axe, Robert F Raczko, John E Dyksen
With the increasing concern of contaminants of emerging concern (CECs) in source water, this study examines the hypothesis that existing filters in water treatment plants can be converted to biologically active filters (BAFs) to treat these compounds. Removals through bench-scale BAFs were evaluated as a function of media, granular activated carbon (GAC) and dual media, empty bed contact time (EBCT), and pre-ozonation. For GAC BAFs, greater oxygen consumption, increased pH drop, and greater dissolved organic carbon removal normalized to adenosine triphosphate (ATP) were observed indicating increased microbial activity as compared to anthracite/sand dual media BAFs...
February 7, 2017: Water Research
https://www.readbyqxmd.com/read/28225816/bayesian-prediction-of-placebo-analgesia-in-an-instrumental-learning-model
#12
Won-Mo Jung, Ye-Seul Lee, Christian Wallraven, Younbyoung Chae
Placebo analgesia can be primarily explained by the Pavlovian conditioning paradigm in which a passively applied cue becomes associated with less pain. In contrast, instrumental conditioning employs an active paradigm that might be more similar to clinical settings. In the present study, an instrumental conditioning paradigm involving a modified trust game in a simulated clinical situation was used to induce placebo analgesia. Additionally, Bayesian modeling was applied to predict the placebo responses of individuals based on their choices...
2017: PloS One
https://www.readbyqxmd.com/read/28225583/microfluidic-encapsulation-of-human-mesenchymal-stem-cells-for-articular-cartilage-tissue-regeneration
#13
Fanyi Li, Vinh X Truong, Helmut Thissen, Jessica Frith, John S Forsythe
Stem cell injections for the treatment of articular cartilage damage are a promising approach to achieve tissue regeneration. However, this method is encumbered by high cell apoptosis rates, low retention in the cartilage lesion and inefficient chondrogenesis. Here, we have used a facile, very low cost-based microfluidic technique to create visible light-cured hydrogel microparticles composed of gelatin norbornene (GelNB) and a polyethylene glycol (PEG) crosslinker. In addition, we have demonstrated that the process enables the rapid in situ micro-encapsulation of human bone marrow-derived mesenchymal stem cells (hBMSCs) under biocompatible microfluidic-processing conditions for long-term maintenance...
February 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28225473/information-needs-and-preferences-of-parents-considering-treatment-of-child-anxiety
#14
Leanne Mak, John R Walker, Diane Hiebert-Murphy, Gary Altman
OBJECTIVE: To assess the information needs and preferences of parents who were making decisions concerning treatment for their child's anxiety. METHODS: Ninety-three parents were recruited from hospital-based clinics, a parent group, and a public information meeting. They completed a survey about preference for decision-making involvement, information needs, and preferences concerning source and amount of information. RESULTS: Most (69%) parents indicated that they prefer a collaborative decision-making role...
February 18, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28225444/third-line-salvage-chemotherapy-for-recurrent-carcinoma-of-the-cervix-is-associated-with-minimal-response-rate-and-high-toxicity
#15
Dustin B Manders, Siobhan M Kehoe, David S Miller, Jayanthi S Lea, Debra L Richardson
BACKGROUND: Metastatic and recurrent cervical cancer is rarely a curable disease. Systemic chemotherapy is typically recommended for treatment based on clinical trials in the first-line or second-line setting. Rare patients who progress through 2 salvage regimens will have the performance status, medical ability, and desire to continue cytotoxic therapy. For these patients, there are no data to provide effective counseling regarding expected response rates (RRs) and toxicities. We sought to review our experience with this patient population...
February 20, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28225198/adjunctive-steroid-therapy-versus-antibiotics-alone-for-acute-endophthalmitis-after-intraocular-procedure
#16
REVIEW
Carole H Kim, Monica F Chen, Anne L Coleman
BACKGROUND: Endophthalmitis refers to severe infection within the eye that involves the aqueous humor or vitreous humor, or both, and threatens vision. Most cases of endophthalmitis are exogenous (i.e. due to inoculation of organisms from an outside source), and most exogenous endophthalmitis is acute and occurs after an intraocular procedure. The mainstay of treatment is emergent administration of broad-spectrum intravitreous antibiotics. Due to their anti-inflammatory effects, steroids in conjunction with antibiotics have been proposed to be beneficial in endophthalmitis management...
February 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28225152/topical-phenytoin-for-treating-pressure-ulcers
#17
REVIEW
Xiang Yong Hao, Hong Ling Li, He Su, Hui Cai, Tian Kang Guo, Ruifeng Liu, Lei Jiang, Yan Fei Shen
BACKGROUND: Pressure ulcers are common in clinical practice and pose a significant health problem worldwide. Apart from causing suffering to patients, they also result in longer hospital stays and increase the cost of health care. A variety of methods are used for treating pressure ulcers, including pressure relief, patient repositioning, biophysical strategies, nutritional supplementation, debridement, topical negative pressure, and local treatments including dressings, ointments and creams such as bacitracin, silver sulphadiazine, neomycin, and phenytoin...
February 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28224878/-behavioural-activation-as-a-first-line-treatment-for-depression
#18
Ph van Eijndhoven, A H Schene
Psychological treatments are important to reduce the global burden of depression; however, cognitive behavioural therapy (CBT), which is considered the gold-standard treatment, is costly and sparsely available. Behavioural activation (BA) is a psychological treatment aimed at overcoming depression by increasing positive activities, with the help of registration and activity scheduling. It is a simpler and less costly alternative to CBT, and is no less effective in the treatment of moderate to severe depression...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28224734/anxiety-genetics-dispatches-from-the-frontier
#19
Jordan W Smoller
Anxiety disorders are the most common class of psychiatric disorders and incur an enormous burden in terms of economic costs, disability and personal suffering. Despite their public health importance and documented heritability, genetic research aimed at identifying the genetic contributions to these disorders has had limited success, particularly in comparison to recent advances in the genetics of other major psychiatric disorders. The major factor contributing to this lagging progress has been a dearth of well-powered genomic studies...
March 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28224696/can-contaminated-water-be-rendered-safe-for-nasal-saline-irrigations
#20
Allison G Ordemann, James K Stanford, Donna C Sullivan, J Mark Reed
OBJECTIVES/HYPOTHESIS: To compare sterile water to three methods of sterilization (carbon filtration, boiling, and ultraviolet [UV] light) for preparation of nasal saline irrigants free of bacterial and amebic contaminants. STUDY DESIGN: Bench-top translational research and cost comparison. METHODS: Sterile water was compared to common sterilization methods. Sterile water was contaminated with known concentrations of Staphylococcus aureus, Pseudomonas aeruginosa, Moraxella catarrhalis, Acinetobacter baumannii, Klebsiella pneumonia, Legionella pneumophila, and Naegleria fowleri...
February 22, 2017: Laryngoscope
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