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https://www.readbyqxmd.com/read/28531953/priority-pesticides-abatement-by-advanced-water-technologies-the-case-of-acetamiprid-removal-by-ozonation
#1
A Cruz-Alcalde, C Sans, S Esplugas
With the aim of exploring treatment alternatives for priority insecticide acetamiprid (ACMP) abatement, the removal of this compound from water by ozonation was studied for the first time, paying special attention to the kinetic, mechanistic and toxicological aspects of the process. The second order rate constants of reactions between ACMP and both molecular ozone (O3) and hydroxyl radicals (OH) were determined to be 0.25M(-1)s(-1) and 2.1·10(9)M(-1)s(-1), respectively. On the basis of kinetic results, the degradation of ACMP during ozonation could be well-explained by the reactivity of this pesticide with OH...
May 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28530525/cost-effectiveness-of-nivolumab-ipilimumab-combination-therapy-compared-with-monotherapy-for-first-line-treatment-of-metastatic-melanoma-in-the-united-states
#2
Anna Oh, Dang M Tran, Leann C McDowell, Dor Keyvani, Jay Andrew Barcelon, Oscar Merino, Leslie Wilson
BACKGROUND: The approval of new immunotherapies has dramatically changed the treatment landscape of metastatic melanoma. These survival gains come with trade-offs in side effects and costs, as well as important considerations for third-party payer systems, physicians, and patients. OBJECTIVE: To develop a Markov model to determine the cost-effectiveness of nivolumab, ipilimumab, and nivolumab-ipilimumab combination as firstline therapy in metastatic melanoma, while accounting for differential effectiveness in programmed death-ligand 1 (PD-L1) positive and negative patients...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28522118/a-national-survey-of-hdr-source-knowledge-among-practicing-radiation-oncologists-and-residents-establishing-a-willingness-to-pay-threshold-for-cobalt-60-usage
#3
Raymond Mailhot Vega, Wesley Talcott, Omar Ishaq, Patrice Cohen, Christina J Small, Tamara Duckworth, Gustavo Sarria Bardales, Carmen A Perez, Peter B Schiff, William Small, Matthew M Harkenrider
PURPOSE: Ir-192 is the predominant source for high-dose-rate (HDR) brachytherapy in United States markets. Co-60, with longer half-life and fewer source exchanges, has piloted abroad with comparable clinical dosimetry but increased shielding requirements. We sought to identify practitioner knowledge of Co-60 and establish acceptable willingness-to-pay (WTP) thresholds for additional shielding requirements for use in future cost-benefit analysis. METHODS AND MATERIALS: A nationwide survey of U...
May 15, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28516147/buyer-and-seller-data-from-pay-what-you-want-and-name-your-own-price-laboratory-markets
#4
Florentin Krämer, Klaus M Schmidt, Martin Spann, Lucas Stich
Pay What You Want (PWYW) and Name Your Own Price (NYOP) are customer-driven pricing mechanisms that give customers (some) pricing power and that have been used in service industries with high fixed costs to price discriminate without setting a reference price. This paper describes buyer and seller data in a series of induced-value laboratory experiments that compare PWYW and NYOP in monopoly and competitive situations. Sellers are in a one-shot interaction with buyers. Sellers using customer-driven pricing mechanisms may exogenously or endogenously receive additional promotional benefits, for instance through word-of-mouth effects...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28515193/cost-effectiveness-of-telehealthcare-to-patients-with-chronic-obstructive-pulmonary-disease-results-from-the-danish-telecare-north-cluster-randomised-trial
#5
Flemming Witt Udsen, Pernille Heyckendorff Lilholt, Ole Hejlesen, Lars Ehlers
OBJECTIVES: To investigate the cost-effectiveness of a telehealthcare solution in addition to usual care compared with usual care. DESIGN: A 12-month cost-utility analysis conducted alongside a cluster-randomised trial. SETTING: Community-based setting in the geographical area of North Denmark Region in Denmark. PARTICIPANTS: 26 municipality districts define randomisation clusters with 13 districts in each arm. 1225 patients with chronic obstructive pulmonary disease were enrolled, of which 578 patients were randomised to telehealthcare and 647 to usual care...
May 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28511946/national-incidence-of-patient-safety-indicators-in-the-total-hip-arthroplasty-population
#6
Joseph E Tanenbaum, Derrick M Knapik, Glenn D Wera, Steven J Fitzgerald
BACKGROUND: The Centers for Medicare & Medicaid Services use the incidence of patient safety indicators (PSIs) to determine health care value and hospital reimbursement. The national incidence of PSI has not been quantified in the total hip arthroplasty (THA) population, and it is unknown if patient insurance status is associated with PSI incidence after THA. METHODS: All patients in the Nationwide Inpatient Sample (NIS) who underwent THA in 2013 were identified using the International Classification of Diseases, Ninth Revision, Clinical Modification codes...
April 12, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28505123/perceived-health-benefits-and-willingness-to-pay-for-parks-by-park-users-quantitative-and-qualitative-research
#7
Claire Henderson-Wilson, Kah-Ling Sia, Jenny Veitch, Petra K Staiger, Penny Davidson, Peter Nicholls
Whilst a growing body of evidence demonstrates people derive a range of health and wellbeing benefits from visiting parks, only a limited number of attempts have been made to provide a complementary economic assessment of parks. The aim of this exploratory study was to directly estimate the perceived health and wellbeing benefits attained from parks and the economic value assigned to parks by park users in Victoria, Australia. The research employed a mixed methods approach (survey and interviews) to collect primary data from a selection of 140 park users: 100 from two metropolitan parks in Melbourne and 40 from a park on the urban fringe of Melbourne, Victoria...
May 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28504526/endogenous-formation-of-preferences-choices-systematically-change-willingness-to-pay-for-goods
#8
Katharina Voigt, Carsten Murawski, Stefan Bode
Standard decision theory assumes that choices result from stable preferences. This position has been challenged by claims that the act of choosing between goods may alter preferences. To test this claim, we investigated in three experiments whether choices between equally valued snack food items can systematically shape preferences. We directly assessed changes in participants' willingness-to-pay for these items, some of which could be bought at an auction after the experiment, while others could not. We found that chosen items were valued higher, and nonchosen items were valued lower; yet this postdecisional refinement of preferences was only observed for choices and valuations that were relevant, that is, incentive-compatible for items that were available for consumption...
May 15, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28501349/potential-health-impact-and-cost-effectiveness-of-drug-therapy-for-prehypertension
#9
Tao Chen, Dahai Yu, Victoria Cornelius, Rui Qin, Yamei Cai, Zhixin Jiang, Zhanzheng Zhao
BACKGROUND: Studies have reported that pharmacologic interventions with candesartan or ramipril could reduce the risk of hypertension among prehypertensive subjects free of clinical cardiovascular disease (CVD), however, the cost-effectiveness and long-term cardiovascular risk of drug treatment among these population is unclear. METHOD: A Markov state-transition model was developed to simulate a hypothetical cohort of Chinese adults with high-range prehypertension (130-139/85-89mmHg) but without CVD...
May 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28500489/population-based-study-of-grade-progression-in-patients-who-harboured-gleason-3%C3%A2-%C3%A2-3
#10
Fanny Sampurno, Arul Earnest, Jeremy Millar, Mark Frydenberg, Declan Murphy, Warwick Delprado, Sue Evans
PURPOSE: This study aimed to evaluate (1) the time interval between a decision to commence on active surveillance (AS) and grade progression in community practice; (2) factors predicting grade progression in localised prostate cancer (CaP) patients apparently undergoing AS. METHODS: Data from the Prostate Cancer Outcomes Registry-Victoria were used to analyze men with Gleason 3 + 3 CaP or less who had at least one repeat biopsy. Unadjusted and adjusted 5-year Kaplan-Meier survival curves were used to assess the time to grade progression...
May 12, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28498124/treatment-and-potential-reuse-of-greywater-from-schools-a-pilot-study
#11
Abdalrahman D Alsulaili, Mohamed F Hamoda, Rawa Al-Jarallah, Duaij Alrukaibi
This study presented performance data on a low cost and easy maintenance pilot system for on-site treatment and reuse of water collected from wash sinks and fountains, as major sources of greywater (GW) at schools. Various treatment options were studied including screening, sand filtration, chlorination, and UV disinfection operated at different flow rates. Results showed that filtration operated at low rates is very effective in total suspended solids (TSS) removal, while UV proved to be more effective than chlorination for reduction of biochemical oxygen demand (BOD), chemical oxygen demand (COD), and total coliforms...
May 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28495249/heart-rate-variability-to-monitor-performance-in-elite-athletes-criticalities-and-avoidable-pitfalls
#12
Daniela Lucini, Ilaria Marchetti, Antonio Spataro, Mara Malacarne, Manuela Benzi, Stefano Tamorri, Roberto Sala, Massimo Pagani
BACKGROUND: Spectral analysis of Heart Rate Variability (HRV) is a simple, non-invasive technique that is widely used in sport to assess sympatho-vagal regulation of the heart. Its employment is increasing partly due to the rising usage of wearable devices. However data acquisition using these devices may be suboptimal because they cannot discriminate between sinus and non-sinus beats and do not record any data regarding respiratory frequency. This information is mandatory for a correct clinical interpretation...
May 3, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28495241/the-natural-course-of-prevertebral-soft-tissue-swelling-after-anterior-cervical-spine-surgery-how-long-will-it-last
#13
Seok Woo Kim, Chulyoung Jang, Myung Ho Yang, Seonjong Lee, Je Hyun Yoo, Yoon Hae Kwak, Ji Hyo Hwang
BACKGROUND CONTEXT: Prevertebral soft tissue swelling (PSTS) after anterior cervical spine surgery (ACSS) has been regarded as one of the critical complications that cause airway obstruction. Still, however, no research has dealt with how PSTS returns to pre-surgery status after ACSS; most recommendations are being performed without information about its natural course, focusing on acute-phase swelling after surgery. PURPOSE: To examine how long post-surgery PSTS lasts and when it returns to its pre-surgery state; to analyze the actual influence of a number of factors to observe the natural progress of post-surgery PSTS...
May 8, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28490699/-effect-of-tumor-volume-on-pulmonary-dose-volume-parameter-by-intensity-modulated-radiation-therapy-in-non-small-cell-lung-cancer
#14
Xi Zou, Jinmei Chen, Jinsheng Hong, Feibao Guo, Linzhen Lan, Weijian Zhang
To explore the effectof tumor volume on pulmonary dose-volume parameters by intensity-modulated radiation therapy (IMRT) in non-small cell lung cancer (NSCLC), and to provide a basis for pulmonary dose parameters in IMRT treatment.
 Methods: A total of 204 patients with NSCLC received IMRT were retrospectively analyzed from June, 2009 to October, 2013. The prescribed dose of planning target volume (PTV) for primary tumor was 60-66Gy (2.00-2.25 Gy, 27-33 times in all). The fractional volume percent of the lung received a dose >5 or 20 Gy (V5, V20), and absolute volume of lung received a dose <5 Gy (AVS5)...
April 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28487850/willingness-to-pay-for-social-health-insurance-in-central-vietnam
#15
Lan Hoang Nguyen, Anh Thuan Duc Hoang
BACKGROUND: A social health insurance (SHI) program was implemented in Vietnam in 1992. Participation is compulsory for some groups, such as formal-sector workers and voluntary for other groups. In 2013, 68% of the total population was covered by SHI, with most enrollees from compulsory groups. Enrollment has remained low among persons whose enrollment is voluntary. As a result, households face financial risk due to high out-of-pocket payments for health care. The goal of this study is to identify willingness to pay (WTP) for the SHI scheme among persons whose enrollment is voluntary and to examine factors that influence their choice...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28487170/-paying-the-price-to-get-there-motherhood-and-the-dynamics-of-pregnancy-deliberations-among-women-with-disabilities
#16
Tracey A LaPierre, Mary K Zimmerman, Jean P Hall
BACKGROUND: Women with disabilities report fewer pregnancies than those without disabilities. OBJECTIVE: To explore the range of factors involved in pregnancy decision-making among women with disabilities, and give insight into the decision making process. METHODS: Data were obtained from 4 focus groups conducted with 22 women of child-bearing age, who had a chronic physical or mental health condition or disability that influenced their pregnancy decisions...
April 6, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28486981/patients-willingness-to-pay-for-the-treatment-of-tuberculosis-in-nigeria-exploring-own-use-and-altruism
#17
Ogbonnia G Ochonma, Obinna E Onwujekwe
BACKGROUND: Although, current treatment services for Tuberculosis (TB) in Nigeria are provided free of charge in public facilities, the benefits (value) that patients attach to such service is not known. In addition, the prices that could be charged for treatment in case government and its partners withdraw from the provision of free services or inclusion of the services in health insurance plans are not known. Hence, there is a need to elicit the maximum amounts that patients are willing to pay for TB treatment services, both for themselves and for the very poor patients that may not be able to pay if some user fees are introduced (altruistic willingness to pay)...
May 10, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28486716/pavlovian-to-instrumental-transfer-of-nicotine-and-food-cues-in-deprived-cigarette-smokers
#18
Heena R Manglani, Andrea H Lewis, Stephen J Wilson, Mauricio R Delgado
Introduction: Smoking-related cues can promote drug-seeking behavior and curtail attempts to quit. One way to understand the potential impact of such cues is to compare cue-elicited behaviors for smoking and other reinforcers (eg, food) using the Pavlovian-to-instrumental transfer paradigm, which measures how much control cues can exert over reward-seeking responses. Methods: We tested the influence of appetitive cues on smokers' behavior following 12 hours of abstinence from smoking and eating...
June 1, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28486625/process-value-of-care-safety-women-s-willingness-to-pay-for-perinatal-services
#19
Hisataka Anezaki, Hideki Hashimoto
Objective: To evaluate the process value of care safety from the patient's view in perinatal services. Design: Cross-sectional survey. Settings: Fifty two sites of mandated public neonatal health checkup in 6 urban cities in West Japan. Participants: Mothers who attended neonatal health checkups for their babies in 2011 (n = 1316, response rate = 27.4%). Main Outcome Measure: Willingness to pay (WTP) for physician-attended care compared with midwife care as the process-related value of care safety...
May 9, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28485142/low-temperature-cross-linking-of-pedot-pss-films-using-divinylsulfone
#20
Daniele Mantione, Isabel Del Agua, Wandert Schaafsma, Mohammed ElMahmoudy, Ilke Uguz, Ana Sanchez-Sanchez, Haritz Sardon, Begoña Castro, George G Malliaras, David Mecerreyes
Recent interest in bioelectronics has prompted the exploration of properties of conducting polymer films at the interface with biological milieus. Poly(3,4-ethylenedioxythiophene) doped with poly(styrenesulfonate) (PEDOT:PSS) from a commercially available source has been used as a model system for these studies. Different cross-linking schemes have been used to stabilize films of this material against delamination and redispersion, but the cost is a decrease in the electrical conductivity and/or additional heat treatment...
May 16, 2017: ACS Applied Materials & Interfaces
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