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https://www.readbyqxmd.com/read/28822122/estimation-of-photorespiratory-fluxes-by-gas-exchange
#1
Florian A Busch, Ross M Deans, Meisha-Marika Holloway-Phillips
Photorespiratory fluxes can be easily estimated by photosynthetic gas exchange using an infrared gas analyzer and applying the Farquhar, von Caemmerer, and Berry (Farquhar et al. Planta 149:78-90, 1980) photosynthesis model. For a more direct measurement of photorespiratory CO2 release from glycine decarboxylation, infrared gas analysis can be coupled to membrane-inlet mass spectrometry, capable of separating the total CO2 concentration into its (12)CO2 and (13)CO2 components in a continuous online fashion...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28821729/nonlinear-bayesian-filtering-and-learning-a-neuronal-dynamics-for-perception
#2
Anna Kutschireiter, Simone Carlo Surace, Henning Sprekeler, Jean-Pascal Pfister
The robust estimation of dynamical hidden features, such as the position of prey, based on sensory inputs is one of the hallmarks of perception. This dynamical estimation can be rigorously formulated by nonlinear Bayesian filtering theory. Recent experimental and behavioral studies have shown that animals' performance in many tasks is consistent with such a Bayesian statistical interpretation. However, it is presently unclear how a nonlinear Bayesian filter can be efficiently implemented in a network of neurons that satisfies some minimum constraints of biological plausibility...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28820663/what-men-who-have-sex-with-men-in-peru-want-in-internet-based-sexual-health-information
#3
Luis Menacho
Objectives We aimed to gather information among gay men regarding their preferences for online sexual health information. Methods 1,160 Peruvian MSM, 18 years or older, completed an online survey hosted on www.tunexo.org . Results The mean age was 26.8 years. Around 90% had post-high school education. The self-reported HIV prevalence was 12.3%. The acceptability of sexual health content was greater in the most highly educated group. The highest rated topics and services of interest were those related to improving sexual and mental health...
August 18, 2017: Journal of Homosexuality
https://www.readbyqxmd.com/read/28820444/a-novel-partial-discharge-localization-method-in-substation-based-on-a-wireless-uhf-sensor-array
#4
Zhen Li, Lingen Luo, Nan Zhou, Gehao Sheng, Xiuchen Jiang
Effective Partial Discharge (PD) localization can detect the insulation problems of the power equipment in a substation and improve the reliability of power systems. Typical Ultra-High Frequency (UHF) PD localization methods are mainly based on time difference information, which need a high sampling rate system. This paper proposes a novel PD localization method based on a received signal strength indicator (RSSI) fingerprint to quickly locate the power equipment with potential insulation defects. The proposed method consists of two stages...
August 18, 2017: Sensors
https://www.readbyqxmd.com/read/28820184/age-related-macular-degeneration-and-mortality-the-melbourne-collaborative-cohort-study
#5
M B McGuinness, R P Finger, A Karahalios, R H Guymer, D R English, E W Chong, A M Hodge, L D Robman, G G Giles, J A Simpson
AimsTo assess associations between features of age-related macular degeneration (AMD) and mortality.MethodsA total of 21 129 participants from the Melbourne Collaborative Cohort Study aged 47-85 years (60% female) were assessed for AMD (2003-2007). Mortality data to December 31, 2012 were obtained through linkage with the National Death Index. Associations were assessed using Cox regression, adjusting for age, sex, smoking, region of birth, education, physical activity, diet and alcohol.ResultsLate AMD was identified in 122 (0...
August 18, 2017: Eye
https://www.readbyqxmd.com/read/28819280/results-of-nopho-all2008-treatment-for-patients-1-45-years-with-acute-lymphoblastic-leukemia
#6
N Toft, H Birgens, J Abrahamsson, L Griškevičius, H Hallböök, M Heyman, T W Klausen, Ó G Jónsson, K Palk, K Pruunsild, P Quist-Paulsen, G Vaitkeviciene, K Vettenranta, A Åsberg, T L Frandsen, H V Marquart, H O Madsen, U Norén-Nyström, K Schmiegelow
Adults with acute lymphoblastic leukemia (ALL) do worse than children. From 7/2008 to 12/2014, Nordic and Baltic centers treated 1509 consecutive patients 1-45 years with Philadelphia chromosome-negative ALL according to the NOPHO ALL2008 without cranial irradiation. 1022 patients were 1-9 years (A), 266 were 10-17 years (B), and 221 were 18-45 years (C). Sixteen patients (three adults) died during induction. All others achieved remission after induction or 1-3 intensive blocks. Subsequently, 45 patients (12 adults) died, 122 patients relapsed (32 adults) with a median time to relapse of 1...
August 18, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28818090/trends-in-maternal-and-neonatal-mortality-in-south-africa-a-systematic-review-protocol
#7
Damian J Damian, Bernard Njau, Ester Lisasi, Sia E Msuya, Andrew Boulle
BACKGROUND: Measuring and monitoring progress towards Millennium Development Goals (MDG) 4 and 5 requires valid and reliable estimates of maternal and neonatal mortality. In South Africa, there are conflicting reports on the estimates of maternal and neonatal mortality, derived from both direct and indirect estimation techniques. This study aims to systematically review the estimates made of maternal and neonatal mortality in the period from 1990 to 2015 in South Africa and determine trends over this period...
August 17, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28817505/the-effects-of-the-gaa15-on-lower-extremity-injury-incidence-and-neuromuscular-functional-outcomes-in-collegiate-gaelic-games
#8
Brenagh E Schlingermann, Clare A Lodge, Conor Gissane, Paula M Rankin
The purpose of this Observational Analytical Cohort Study was to assess the effectiveness of an injury prevention programme (IPP) - GAA15 (Gaelic Athletic Association 15) - on the incidence of injury in collegiate Gaelic games. 131 Gaelic games players (mean age 20.5 years ± SD 3.0) were used for analysis in this study. Participants completed preseason and postseason testing which involved performance of the Y Balance test. The GAA15 was employed for the intervention group; coaches were instructed to implement the programme before every training session and match throughout the collegiate GAA (Gaelic Athletic Association) season...
July 5, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28817392/minimum-operational-standards-for-24-7-available-emergency-departments-in-the-netherlands-a-first-step-taken-by-emergency-physicians-using-an-e-delphi-approach
#9
Menno I Gaakeer, Rebekka Veugelers, Peter Patka, Robbert Huijsman
OBJECTIVE: The objective of this study was to effectuate a consensus of emergency physicians on minimum requirements for facility, diagnostic, and medical specialist availability as a first step toward minimum operational standards for 24/7 available emergency departments (EDs) in the Netherlands. PATIENTS AND METHODS: A two-part e-Delphi through online survey was performed between January 2015 and May 2016, using a panel of 20 experts in emergency medicine. The aim of part I was to reach an agreement on a list of possible ED elements and their definitions...
August 16, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28817380/perceptions-of-preclinical-medical-students-towards-extracurricular-activities
#10
Mazen Almasry, Zeina Kayali, Rakan Alsaad, Ghada Alhayaza, Mohammad Sharique Ahmad, Akef Obeidat, Ahmed Abu-Zaid
Objectives: To determine the percentage of students involved in extracurricular activities (EAs), explore relationships between participation in EAs and students' characteristics, and investigate students' perceptions (i.e., motives and barriers) towards participation in EAs. Methods: An online, anonymous, random, cross-sectional, self-rating survey was administered during spring 2015-2016 to second-year and third-year students (n=340). Chi-square test was used to explore relationships between participation in EAs and students' characteristics...
August 16, 2017: International Journal of Medical Education
https://www.readbyqxmd.com/read/28817337/oral-health-integration-into-a-pediatric-practice-and-coordination-of-referrals-to-a-colocated-dental-home-at-a-federally-qualified-health-center
#11
Nandini Sengupta, Sonal Nanavati, Maria Cericola, Lisa Simon
We have integrated preventive oral health measures into preventive care visits for children at a federally qualified health center in Boston, Massachusetts. The program, started in 2015, covers 3400 children and has increased universal caries risk screening in primary care to 85%, fluoride varnish application rates to 80%, and referrals to a dental home to 35%. We accomplished this by minimizing pressures on providers' workflow, empowering medical assistants to lead the initiative, and utilizing data-driven improvement strategies, alongside colocated coordinated care...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817336/children-s-access-to-dental-care-affected-by-reimbursement-rates-dentist-density-and-dentist-participation-in-medicaid
#12
Natalia I Chalmers, Robert D Compton
OBJECTIVES: To assess the relation between Medicaid reimbursement rates and access to dental care services in the context of dentist density and dentist participation in Medicaid in each state. METHODS: Data were from Early and Periodic Screening, Diagnostic, and Treatment reports for 2014, Medicaid reimbursement rate in 2013, dentist density in 2014, and dentist participation in Medicaid in 2014. We assessed patterns of mediation or moderation. RESULTS: Reimbursement rates and access to dental care were directly related at the state level, but no evidence indicated that higher reimbursement rates resulted in overuse of dental services for those who had access...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817334/community-health-worker-support-for-disadvantaged-patients-with-multiple-chronic-diseases-a-randomized-clinical-trial
#13
Shreya Kangovi, Nandita Mitra, David Grande, Hairong Huo, Robyn A Smith, Judith A Long
OBJECTIVES: To determine whether a community health worker (CHW) intervention improved outcomes in a low-income population with multiple chronic conditions. METHODS: We conducted a single-blind, randomized clinical trial in Philadelphia, Pennsylvania (2013-2014). Participants (n = 302) were high-poverty neighborhood residents, uninsured or publicly insured, and diagnosed with 2 or more chronic diseases (diabetes, obesity, tobacco dependence, hypertension). All patients set a disease-management goal...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817333/the-epidemic-of-despair-among-white-americans-trends-in-the-leading-causes-of-premature-death-1999-2015
#14
Elizabeth M Stein, Keith P Gennuso, Donna C Ugboaja, Patrick L Remington
OBJECTIVES: To evaluate trends in premature death rates by cause of death, age, race, and urbanization level in the United States. METHODS: We calculated cause-specific death rates using the Compressed Mortality File, National Center for Health Statistics data for adults aged 25 to 64 years in 2 time periods: 1999 to 2001 and 2013 to 2015. We defined 48 subpopulations by 10-year age groups, race/ethnicity, and county urbanization level (large urban, suburban, small or medium metropolitan, and rural)...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817331/urban-rural-differences-in-suicide-in-the-state-of-maryland-the-role-of-firearms
#15
Paul S Nestadt, Patrick Triplett, David R Fowler, Ramin Mojtabai
OBJECTIVES: To assess whether the use of firearms explains rural-urban differences in suicide rates. METHODS: We performed a retrospective analysis on all 6196 well-characterized adult suicides in Maryland from 2003 through 2015. We computed rate ratios by using census data and then stratified by sex, with adjustment for age and race. RESULTS: Suicide rates were higher in rural compared with urban counties. However, the higher rural suicide rates were limited to firearm suicides (incident rate ratio [IRR] = 1...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817327/violent-death-reporting-in-maryland-demographic-variability-in-data-completeness
#16
Meghan L Smith, Adebola A Akinyemi, Jennifer L Stanley, Clifford S Mitchell
OBJECTIVES: To analyze the completeness of precipitating circumstance information recorded in the Maryland Violent Death Reporting System and identify limitations that could affect the system's utility. METHODS: We reviewed all violent deaths among Maryland residents for the years 2003 through 2014 (n = 19 161). We assessed the presence of precipitating circumstance data (abstracted from medical examiner and police reports) by manner of death and demographic characteristics...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817326/standard-period-life-table-used-to-compute-the-life-expectancy-of-diseased-subpopulations-more-confusing-than-helpful
#17
Linda Perron, Marc Simard, Jacques Brisson, Denis Hamel, Ernest Lo
Life expectancy (LE) based on a period life table (PLT) traditionally serves as a general population summary metric. It is, however, becoming more frequently reported for chronically afflicted subpopulations. In general populations, there is always an obvious real cohort sharing the hypothetical PLT cohort characteristics, and the LE estimate is intuitively understood as that real cohort mean survival time, assuming constancy of death risks. In diseased subpopulations, the correspondence between the hypothetical cohort and a real cohort is not straightforward...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817319/medicaid-reimbursement-for-the-female-condom
#18
Susan S Witte, Colleen MacPhee, Natalie Ginsburg, Neha Deshmukh
OBJECTIVES: To examine state-level female condom use through Medicaid from 2004 to 2014, because in 2010, the Patient Protection and Affordable Care Act (ACA) allowed for expanded Medicaid coverage in many states, extending requirements for contraceptive care to more of the poorest women in the United States and to most women with private insurance. METHODS: We collected data via brief survey of Medicaid offices in all 50 states between March 2015 and March 2016...
August 17, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28817300/patient-ratings-of-veterans-affairs-and-affiliated-hospitals
#19
Paul A Heidenreich, Aimee Zapata, Lisa Shieh, Nancy Oliva, Anju Sahay
OBJECTIVES: Hospital Compare, a website maintained by CMS, allows comparisons of outcomes and processes of care but not of patient satisfaction for hospitals within the Veteran Affairs (VA) Healthcare System. Therefore, we sought to compare online hospital ratings between VA hospitals and their local affiliated hospitals. STUDY DESIGN: Observational analysis. METHODS: We identified 39 VA hospitals and a non-VA affiliated hospital with at least 2 online Yelp ratings...
June 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28817163/provider-initiated-patient-satisfaction-reporting-yields-improved-physician-ratings-relative-to-online-rating-websites
#20
Benjamin F Ricciardi, Brad S Waddell, Scott R Nodzo, Jeffrey Lange, Allina A Nocon, Spencer Amundsen, T David Tarity, Alexander S McLawhorn
Recently, providers have begun to publicly report the results of patient satisfaction surveys from their practices. However, these outcomes have never been compared with the findings of commercial online physician rating websites. The goals of the current study were to (1) compare overall patient satisfaction ratings for orthopedic surgeons derived from provider-based third-party surveys with existing commercial physician rating websites and (2) determine the association between patient ratings and provider characteristics...
August 17, 2017: Orthopedics
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