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https://www.readbyqxmd.com/read/28934786/long-term-cost-utility-of-spinal-cord-stimulation-in-patients-with-failed-back-surgery-syndrome
#1
S Harrison Farber, Jing L Han, Aladine A Elsamadicy, Qasim Hussaini, Siyun Yang, Promila Pagadala, Beth Parente, Jichun Xie, Shivanand P Lad
BACKGROUND: Failed back surgery syndrome (FBSS) is a cause of significant morbidity for up to 40% of patients following spine surgery, and is estimated to cost almost $20 billion. Treatment options for these patients currently include conventional medical management (CMM), repeat operation, or spinal cord stimulation (SCS). Much of the published data regarding cost effectiveness of SCS comprise smaller scale randomized controlled trials (RCTs) rather than large databases capturing practices throughout the US...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934711/alterations-of-larval-photo-dependent-swimming-responses-pdr-new-endpoints-for-rapid-and-diagnostic-screening-of-aquatic-contamination
#2
Luis Colón-Cruz, Lauren Kristofco, Jonathan Crooke-Rosado, Agnes Acevedo, Aranza Torrado, Bryan W Brooks, María A Sosa, Martine Behra
Detection and toxicity assessment of waterborne contaminants are crucial for protecting human health and the environment. Development of easy-to-implement, rapid and cost-effective tools to measure anthropogenic effects on watersheds are critical for responsible management, particularly in times of increasing development and urbanization. Traditionally, environmental toxicology has focused on limited endpoints, such as lethality and fertility, which are directly affecting population levels. However, more sensitive readings are needed to assess sub-lethal effects...
September 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28934673/an-analysis-of-chemicals-and-other-constituents-found-in-produced-water-from-hydraulically-fractured-wells-in-california-and-the-challenges-for-wastewater-management
#3
Emily A Chittick, Tanja Srebotnjak
As high-volume hydraulic fracturing (HF) has grown substantially in the United States over the past decade, so has the volume of produced water (PW), i.e., briny water brought to the surface as a byproduct of oil and gas production. According to a recent study (Groundwater Protection Council, 2015), more than 21 billion barrels of PW were generated in 2012. In addition to being high in TDS, PW may contain hydrocarbons, PAH, alkylphenols, naturally occurring radioactive material (NORM), metals, and other organic and inorganic substances...
September 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28934479/targeted-reconstruction-of-t-cell-receptor-sequence-from-single-cell-rna-seq-links-cdr3-length-to-t-cell-differentiation-state
#4
Shaked Afik, Kathleen B Yates, Kevin Bi, Samuel Darko, Jernej Godec, Ulrike Gerdemann, Leo Swadling, Daniel C Douek, Paul Klenerman, Eleanor J Barnes, Arlene H Sharpe, W Nicholas Haining, Nir Yosef
The T cell compartment must contain diversity in both T cell receptor (TCR) repertoire and cell state to provide effective immunity against pathogens. However, it remains unclear how differences in the TCR contribute to heterogeneity in T cell state. Single cell RNA-sequencing (scRNA-seq) can allow simultaneous measurement of TCR sequence and global transcriptional profile from single cells. However, current methods for TCR inference from scRNA-seq are limited in their sensitivity and require long sequencing reads, thus increasing the cost and decreasing the number of cells that can be feasibly analyzed...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934285/cost-of-illness-of-cholera-to-households-and-health-facilities-in-rural-malawi
#5
Patrick G Ilboudo, Xiao Xian Huang, Bagrey Ngwira, Abel Mwanyungwe, Vittal Mogasale, Martin A Mengel, Philippe Cavailler, Bradford D Gessner, Jean-Bernard Le Gargasson
Cholera remains an important public health problem in many low- and middle-income countries. Vaccination has been recommended as a possible intervention for the prevention and control of cholera. Evidence, especially data on disease burden, cost-of-illness, delivery costs and cost-effectiveness to support a wider use of vaccine is still weak. This study aims at estimating the cost-of-illness of cholera to households and health facilities in Machinga and Zomba Districts, Malawi. A cross-sectional study using retrospectively collected cost data was undertaken in this investigation...
2017: PloS One
https://www.readbyqxmd.com/read/28934272/a-multimodal-logistics-service-network-design-with-time-windows-and-environmental-concerns
#6
Dezhi Zhang, Runzhong He, Shuangyan Li, Zhongwei Wang
The design of a multimodal logistics service network with customer service time windows and environmental costs is an important and challenging issue. Accordingly, this work established a model to minimize the total cost of multimodal logistics service network design with time windows and environmental concerns. The proposed model incorporates CO2 emission costs to determine the optimal transportation mode combinations and investment selections for transfer nodes, which consider transport cost, transport time, carbon emission, and logistics service time window constraints...
2017: PloS One
https://www.readbyqxmd.com/read/28934232/economic-costs-and-health-related-quality-of-life-for-hand-foot-and-mouth-disease-hfmd-patients-in-china
#7
Yaming Zheng, Mark Jit, Joseph T Wu, Juan Yang, Kathy Leung, Qiaohong Liao, Hongjie Yu
BACKGROUND: Hand, foot and mouth disease (HFMD) is a common illness in China that mainly affects infants and children. The objective of this study is to assess the economic cost and health-related quality of life associated with HFMD in China. METHOD: A telephone survey of caregivers were conducted in 31 provinces across China. Caregivers of laboratory-confirmed HFMD patients who were registered in the national HFMD enhanced surveillance database during 2012-2013 were invited to participate in the survey...
2017: PloS One
https://www.readbyqxmd.com/read/28934127/removal-of-phenolic-compounds-from-water-using-sewage-sludge-based-activated-carbon-adsorption-a-review
#8
REVIEW
Nuhu Dalhat Mu'azu, Nabeel Jarrah, Mukarram Zubair, Omar Alagha
Due to their industrial relevance, phenolic compounds (PC) are amongst the most common organic pollutants found in many industrial wastewater effluents. The potential detrimental health and environmental impacts of PC necessitate their removal from wastewater to meet regulatory discharge standards to ensure meeting sustainable development goals. In recent decades, one of the promising, cost-effective and environmentally benign techniques for removal of PC from water streams has been adsorption onto sewage sludge (SS)-based activated carbon (SBAC)...
September 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28934126/a-multi-objective-partition-method-for-marine-sensor-networks-based-on-degree-of-event-correlation
#9
Dongmei Huang, Chenyixuan Xu, Danfeng Zhao, Wei Song, Qi He
Existing marine sensor networks acquire data from sea areas that are geographically divided, and store the data independently in their affiliated sea area data centers. In the case of marine events across multiple sea areas, the current network structure needs to retrieve data from multiple data centers, and thus severely affects real-time decision making. In this study, in order to provide a fast data retrieval service for a marine sensor network, we use all the marine sensors as the vertices, establish the edge based on marine events, and abstract the marine sensor network as a graph...
September 21, 2017: Sensors
https://www.readbyqxmd.com/read/28934019/cochlear-implantation-under-conscious-sedation-with-local-anesthesia-safety-efficacy-costs-and-satisfaction
#10
Samion Shabashev, Yasser Fouad, T Kate Huncke, J Thomas Roland
OBJECTIVE: To evaluate the safety, efficiency, cost effectiveness, and satisfaction of patients undergoing cochlear implantation under conscious sedation versus general anesthesia. STUDY DESIGN: Retrospective case review of 20 patients who underwent cochlear implantation under conscious sedation which was compared to 20 age-matched patients where surgery was performed under general anesthesia. METHODS: Perioperative times, length of stay, anesthesia drug costs, postoperative complications, and patient satisfaction were compared between the two groups...
September 21, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28933923/propagandizing-the-healthy-bolshevik-life-in-the-early-ussr
#11
Tricia A Starks
This essay outlines the problems facing Soviet health authorities at the inception of the People's Commissariat of Public Health in 1918 and the innovative methods employed in sanitary enlightenment propaganda in Russia throughout the 1920s. Beset by funding issues and supply problems, the emissaries of health chose the cheapest means of health improvement (propaganda) with the most cost-effective method (prevention), and crowed of great successes even as large portions of the nation still suffered from lack of contact with sanitary authorities...
September 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28933895/individual-variability-in-the-semantic-processing-of-english-compound-words
#12
Daniel Schmidtke, Julie A Van Dyke, Victor Kuperman
Semantic transparency effects during compound word recognition provide critical insight into the organization of semantic knowledge and the nature of semantic processing. The past 25 years of psycholinguistic research on compound semantic transparency has produced discrepant effects, leaving the existence and nature of its influence unresolved. In the present study, we examined the influence of semantic transparency and individual reading experience on eye-movement behavior during sentence reading. Eye-movement data were collected from 138 non-college-bound 16- to 26-year-old speakers of English in a sentence-reading task representing a total of 455 different compound words...
September 21, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28933789/trends-in-utilization-and-costs-of-brca-testing-among-women-aged-18-64-years-in-the-united-states-2003-2014
#13
Zhuo Chen, Katherine Kolor, Scott D Grosse, Juan L Rodriguez, Julie A Lynch, Ridgely Fisk Green, W David Dotson, M Scott Bowen, Muin J Khoury
PurposeWe examined 12-year trends in BRCA testing rates and costs in the context of clinical guidelines, national policies, and other factors.MethodsWe estimated trends in BRCA testing rates and costs from 2003 to 2014 for women aged 18-64 years using private claims data and publicly reported revenues from the primary BRCA testing provider.ResultsThe percentage of women with zero out-of-pocket payments for BRCA testing increased during 2013-2014, after 7 years of general decline, coinciding with a clarification of Affordable Care Act coverage of BRCA genetic testing...
September 21, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28933752/graphene-field-effect-transistors-for-biomedical-applications-current-status-and-future-prospects
#14
REVIEW
Rhiannan Forsyth, Anitha Devadoss, Owen J Guy
Since the discovery of the two-dimensional (2D) carbon material, graphene, just over a decade ago, the development of graphene-based field effect transistors (G-FETs) has become a widely researched area, particularly for use in point-of-care biomedical applications. G-FETs are particularly attractive as next generation bioelectronics due to their mass-scalability and low cost of the technology's manufacture. Furthermore, G-FETs offer the potential to complete label-free, rapid, and highly sensitive analysis coupled with a high sample throughput...
July 26, 2017: Diagnostics
https://www.readbyqxmd.com/read/28933721/flexible-carbon-nanotube-modified-separator-for-high-performance-lithium-sulfur-batteries
#15
Bin Liu, Xiaomeng Wu, Shan Wang, Zhen Tang, Quanling Yang, Guo-Hua Hu, Chuanxi Xiong
Lithium-sulfur (Li-S) batteries have become promising candidates for electrical energy storage systems due to their high theoretical specific energy density, low cost and environmental friendliness. However, there are some technical obstacles of lithium-sulfur batteries to be addressed, such as the shuttle effect of polysulfides. Here, we introduced organically modified carbon nanotubes (CNTs) as a coating layer for the separator to optimize structure and enhance the performance of the Li-S battery. The results showed that the cell with a CNTs-coated separator exhibited an excellent cycling performance...
July 26, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28933682/q-vaxcelerate-a-distributed-development-approach-for-a-new-coxiella-burnetii-vaccine
#16
Patrick M Reeves, Susan Raju Paul, Ann E Sluder, Timothy A Brauns, Mark C Poznansky
Development of vaccines that are both safe and effective remains a costly and time-consuming challenge. To accelerate the pace of development and improve the efficacy and safety of candidate vaccines for both existing and emerging infectious agents, we have employed a distributed development approach. This features the managed integration of individual expert groups having the requisite vaccine platforms, pre-clinical models, assays, skills and knowledge pertinent to a specific pathogen into a single, end-to-end development team capable of producing a new vaccine tailored to that particular agent...
September 21, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28933670/on-enrichment-strategies-for-biomarker-stratified-clinical-trials
#17
Xiaofei Wang, Jingzhu Zhou, Ting Wang, Stephen L George
In the era of precision medicine, drugs are increasingly developed to target subgroups of patients with certain biomarkers. In large all-comer trials using a biomarker stratified design (BSD), the cost of treating and following patients for clinical outcomes may be prohibitive. With a fixed number of randomized patients, the efficiency of testing certain treatments parameters, including the treatment effect among biomarker positive patients and the interaction between treatment and biomarker, can be improved by increasing the proportion of biomarker positives on study, especially when the prevalence rate of biomarker positives is low in the underlying patient population...
September 21, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/28933657/a-novel-immunization-approach-for-dengue-infection-based-on-conserved-t-cell-epitopes-formulated-in-calcium-phosphate-nanoparticles
#18
Xiaofang Huang, Aykan Karabudak, Joseph D Comber, Mohan Philip, Tulin Morcol, Ramila Philip
Dengue virus (DV) is the etiologic agent of dengue fever, the most significant mosquito-borne viral disease in humans. Most DV vaccine approaches are focused on generating antibody mediated responses; one such DV vaccine is approved for use in humans but its efficacy is limited. While it is clear that T cell responses play important role in DV infection and subsequent disease manifestations, fewer studies are aimed at developing vaccines that induce robust T cells responses. Potent T cell based vaccines require two critical components: the identification of specific T cell stimulating MHC associated peptides, and an optimized vaccine delivery vehicle capable of simultaneously delivering the antigens and any required adjuvants...
September 21, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28933579/innate-immune-cells-for-immunotherapy-of-autoimmune-and-cancer-disorders
#19
Carolina Schäfer, Gabriel Ascui, Carolina H Ribeiro, Mercedes López, Rafael Prados-Rosales, Pablo A González, Susan M Bueno, Claudia A Riedel, Andrés Baena, Alexis M Kalergis, Leandro J Carreño
Modulation of the immune system has been widely targeted for the treatment of several immune-related diseases, such as autoimmune disorders and cancer, due to its crucial role in these pathologies. Current available therapies focus mainly on symptomatic treatment and are often associated with undesirable secondary effects. For several years, remission of disease and subsequently recovery of immune homeostasis has been a major goal for immunotherapy. Most current immunotherapeutic strategies are aimed to inhibit or potentiate directly the adaptive immune response by modulating antibody production and B cell memory, as well as the effector potential and memory of T cells...
September 21, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28933500/significant-improvement-of-near-uv-electroluminescence-from-zno-quantum-dot-leds-via-coupling-with-carbon-nanodot-surface-plasmons
#20
Cen Zhang, Feifei Zhu, Haiyang Xu, Weizhen Liu, Liu Yang, Zhongqiang Wang, Jiangang Ma, Zhenhui Kang, Yichun Liu
Short-wavelength LEDs, a hot research topic in modern optoelectronics, have attracted tremendous attention in recent years because of their great application potential in both civil and military domains. Compared to conventional metallic surface-plasmons (SPs), carbon nanodot (CD) SPs with less optical loss and low cost, broader SP resonant frequency and good biocompatibility are expected to provide more prominent luminescence enhancement for light emitters. Herein, SP-enhanced near-UV emission quantum dot LEDs (Q-LED) were fabricated via introducing CDs into p-GaN/Al2O3/ZnO Q-LEDs by optimizing the molar ratio of ZnO quantum dots to CDs and a significant enhancement (∼20-fold) of the near-UV electroluminescence (EL) intensity from the ZnO-based Q-LEDs was achieved...
September 21, 2017: Nanoscale
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