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https://www.readbyqxmd.com/read/28419433/plant-soil-feedbacks-in-declining-forests-implications-for-species-coexistence
#1
Lorena Gómez-Aparicio, Jara Domínguez-Begines, Paul Kardol, José M Ávila, Beatriz Ibáñez, Luis V García
Plant-soil feedbacks (PSFs) play a relevant role as drivers of species abundance, coexistence, and succession in plant communities. However, the potential contribution of PSFs to community dynamics in changing forest ecosystems affected by global change drivers is still largely unexplored. We measured the direction, strength and nature (biological vs. chemical) of PSFs experienced by coexisting tree species in two types of declining Quercus suber forests of southwestern Spain (open woodland vs. closed forest) invaded by the exotic soil pathogen Phytophthora cinnamomi...
April 18, 2017: Ecology
https://www.readbyqxmd.com/read/28417680/designing-medical-internships-to-improve-recruitment-and-retention-of-doctors-in-rural-areas
#2
Margrete Gaski, Birgit Abelsen
BACKGROUND: The medical internship as a way of exposing young doctors to training in a rural context is regarded as a useful tool to recruit and retain doctors in rural areas. Norwegian health authorities tested an arrangement of early sign-up for medical internships in the Finnmark County in Norway. OBJECTIVE: To report on the effects of the early sign-up for medical internship. DESIGN: This study compares the choice of workplace after internship among physicians who signed up early with those candidates assigned to the raffle model of internship in the study area, and in a comparison area experiencing similar recruitment and retention problems...
2017: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/28414585/race-language-or-length-of-residency-explaining-unequal-uptake-of-government-pensions-in-canada
#3
Josh Curtis, Weizhen Dong, Naomi Lightman, Matthew Parbst
Canada's old age security (OAS), a flat benefit public pension, is internationally lauded as an accessible and effective safety net for seniors. This paper explores discrepancies in OAS uptake using Canadian Census data from 1996-2011. Our findings demonstrate disparities in OAS uptake based on immigration status, language proficiency, and visible minority status, disputing claims of 'universal' OAS provision. Multivariate analyses confirm a strong 'immigrant effect' with being in Canada for 20 years or less leading to lower rates of OAS utilization...
April 17, 2017: Journal of Aging & Social Policy
https://www.readbyqxmd.com/read/28414261/-support-your-client-at-the-space-that-they-re-in-hiv-pre-exposure-prophylaxis-prep-prescribers-perspectives-on-prep-related-risk-compensation
#4
Sarah K Calabrese, Manya Magnus, Kenneth H Mayer, Douglas S Krakower, Adam I Eldahan, Lauren A Gaston Hawkins, Kristen Underhill, Nathan B Hansen, Trace S Kershaw, Joseph R Betancourt, John F Dovidio
Despite the demonstrated effectiveness of HIV pre-exposure prophylaxis (PrEP) and evidence that most PrEP users do not engage in risk compensation (i.e., increased risk behavior due to a perceived decrease in HIV susceptibility), some healthcare providers report patient risk compensation to be a deterrent to prescribing PrEP. Overcoming this barrier is essential to supporting PrEP access and uptake among people at risk for HIV. To inform such efforts, this qualitative study explored PrEP-related risk compensation attitudes among providers with firsthand experience prescribing PrEP...
April 2017: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/28413846/a-carbon-balance-model-for-the-great-dismal-swamp-ecosystem
#5
Rachel Sleeter, Benjamin M Sleeter, Brianna Williams, Dianna Hogan, Todd Hawbaker, Zhiliang Zhu
BACKGROUND: Carbon storage potential has become an important consideration for land management and planning in the United States. The ability to assess ecosystem carbon balance can help land managers understand the benefits and tradeoffs between different management strategies. This paper demonstrates an application of the Land Use and Carbon Scenario Simulator (LUCAS) model developed for local-scale land management at the Great Dismal Swamp National Wildlife Refuge. We estimate the net ecosystem carbon balance by considering past ecosystem disturbances resulting from storm damage, fire, and land management actions including hydrologic inundation, vegetation clearing, and replanting...
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28412062/development-and-internal-validation-of-a-novel-model-to-identify-the-candidates-for-extended-pelvic-lymph-node-dissection-in-prostate-cancer
#6
Giorgio Gandaglia, Nicola Fossati, Emanuele Zaffuto, Marco Bandini, Paolo Dell'Oglio, Carlo Andrea Bravi, Giuseppe Fallara, Francesco Pellegrino, Luigi Nocera, Pierre I Karakiewicz, Zhe Tian, Massimo Freschi, Rodolfo Montironi, Francesco Montorsi, Alberto Briganti
BACKGROUND: Preoperative assessment of the risk of lymph node invasion (LNI) is mandatory to identify prostate cancer (PCa) patients who should receive an extended pelvic lymph node dissection (ePLND). OBJECTIVE: To update a nomogram predicting LNI in contemporary PCa patients with detailed biopsy reports. DESIGN, SETTING, AND PARTICIPANTS: Overall, 681 patients with detailed biopsy information, evaluated by a high-volume uropathologist, treated with radical prostatectomy and ePLND between 2011 and 2016 were identified...
April 12, 2017: European Urology
https://www.readbyqxmd.com/read/28411064/health-benefits-of-a-reduction-of-pm10-and-no2-exposure-after-implementing-a-clean-air-plan-in-the-agglomeration-lausanne-morges
#7
Alberto Castro, Nino Künzli, Thomas Götschi
Exposure to urban air pollution has been associated with adverse effects on cardio-vascular and respiratory health, both short and long term. Consequently, governments have applied policies to reduce air pollution. Quantitative health impact assessments of hypothetic changes in air pollution have been conducted at national and global level, but assessments of observed air pollution changes associated with specific clean air policies at a local or regional scale remain scarce. This study estimates health impacts attributable to a decrease in PM10 and NO2 exposure in the Agglomeration of Lausanne-Morges (ALM), Switzerland, between 2005 and 2015, corresponding to the implementation period of a supra-municipal plan of measures to reduce air pollution in different sectors such as transport, energy, and industry (called Plan OPair 05)...
April 5, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28410889/methodology-for-the-determination-of-optimum-power-of-a-thermal-power-plant-tpp-by-biogas-from-sanitary-landfill
#8
Tiago Rodrigo Silva, Regina Mambeli Barros, Geraldo Lúcio Tiago Filho, Ivan Felipe Silva Dos Santos
This study aimed to determine theoretically, the electrical optimum power of LFG using the maximum net benefit (MNB) methodology, and taking into consideration the economic, demographic, and regional aspects of the Inter municipal Consortium of the Micro-region of the High Sapucaí for Sanitary Landfill (CIMASAS, as acronym in Portuguese), that is located in the southern part of the State of Minas Gerais, Brazil. To this end, the prognosis for a 20-year period of household solid waste generation in this region was estimated and quantified based on population data, in order to estimate the LFG production and the energy that can be generated...
April 11, 2017: Waste Management
https://www.readbyqxmd.com/read/28409907/the-roles-of-prostate-specific-antigen-psa-density-prostate-volume-and-their-zone-adjusted-derivatives-in-predicting-prostate-cancer-in-patients-with-psa-less-than-20-0%C3%A2-ng-ml
#9
P Shen, J Zhao, G Sun, N Chen, X Zhang, H Gui, Y Yang, J Liu, K Shu, Z Wang, H Zeng
The aim of this study was to develop nomograms for predicting prostate cancer and its zonal location using prostate-specific antigen density, prostate volume, and their zone-adjusted derivatives. A total of 928 consecutive patients with prostate-specific antigen (PSA) less than 20.0 ng/mL, who underwent transrectal ultrasound-guided transperineal 12-core prostate biopsy at West China Hospital between 2011 and 2014, were retrospectively enrolled. The patients were randomly split into training cohort (70%, n = 650) and validation cohort (30%, n = 278)...
May 2017: Andrology
https://www.readbyqxmd.com/read/28409743/pet-neck-a-multicentre-randomised-phase-iii-non-inferiority-trial-comparing-a-positron-emission-tomography-computerised-tomography-guided-watch-and-wait-policy-with-planned-neck-dissection-in-the-management-of-locally-advanced-n2-n3-nodal-metastases-in-patients
#10
Hisham Mehanna, Chris C McConkey, Joy K Rahman, Wai-Lup Wong, Alison F Smith, Chris Nutting, Andrew Gj Hartley, Peter Hall, Claire Hulme, Dharmesh K Patel, Sandra Ventorin von Zeidler, Max Robinson, Bal Sanghera, Lydia Fresco, Janet A Dunn
BACKGROUND: Planned neck dissection (ND) after radical chemoradiotherapy (CRT) for locally advanced nodal metastases in patients with head and neck squamous cell carcinoma (HNSCC) remains controversial. Thirty per cent of ND specimens show histological evidence of tumour. Consequently, a significant proportion of clinicians still practise planned ND. Fludeoxyglucose positron emission tomography (PET)-computerised tomography (CT) scanning demonstrated high negative predictive values for persistent nodal disease, providing a possible alternative paradigm to ND...
April 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28406394/a-randomised-controlled-trial-to-compare-the-safety-effectiveness-and-cost-effectiveness-of-doxycycline-200%C3%A2-mg-day-with-that-of-oral-prednisolone-0-5%C3%A2-mg-kg-day-for-initial-treatment-of-bullous-pemphigoid-the-bullous-pemphigoid-steroids-and-tetracyclines-blister
#11
Joanne R Chalmers, Fenella Wojnarowska, Gudula Kirtschig, James Mason, Margaret Childs, Diane Whitham, Karen Harman, Anna Chapman, Shernaz Walton, Enno Schmidt, Thomas R Godec, Andrew J Nunn, Hywel C Williams
BACKGROUND: Bullous pemphigoid (BP) is an autoimmune blistering skin disorder with increased morbidity and mortality in the elderly. OBJECTIVES: To evaluate the effectiveness, safety and cost-effectiveness of a strategy of initiating BP treatment with oral doxycycline or oral prednisolone. We hypothesised that starting treatment with doxycycline gives acceptable short-term blister control while conferring long-term safety advantages over starting treatment with oral prednisolone...
March 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28404575/dietary-protein-and-bone-health-a-systematic-review-and-meta-analysis-from-the-national-osteoporosis-foundation
#12
Marissa M Shams-White, Mei Chung, Mengxi Du, Zhuxuan Fu, Karl L Insogna, Micaela C Karlsen, Meryl S LeBoff, Sue A Shapses, Joachim Sackey, Taylor C Wallace, Connie M Weaver
Background: Considerable attention has recently focused on dietary protein's role in the mature skeleton, prompted partly by an interest in nonpharmacologic approaches to maintain skeletal health in adult life.Objective: The aim was to conduct a systematic review and meta-analysis evaluating the effects of dietary protein intake alone and with calcium with or without vitamin D (Ca±D) on bone health measures in adults.Design: Searches across 5 databases were conducted through October 2016 including randomized controlled trials (RCTs) and prospective cohort studies examining 1) the effects of "high versus low" protein intake or 2) dietary protein's synergistic effect with Ca±D intake on bone health outcomes...
April 12, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28402955/antiproliferative-effect-of-somatostatin-analogs-in-advanced-gastro-entero-pancreatic-neuroendocrine-tumors-a-systematic-review-and-meta-analysis
#13
REVIEW
Elettra Merola, Francesco Panzuto, Gianfranco Delle Fave
A meta-analysis has systematically investigated the antineoplastic efficacy and safety of somatostatin analogs (SSAs) in advanced gastro-entero-pancreatic neuroendocrine tumors (GEP-NETs). Randomized controlled trials (RCTs) reporting the hazard ratio (HR) for disease progression (DP) were evaluated. Response rate and risk ratio (RR) for adverse events were also analyzed. A total of 289 patients (143 receiving SSAs vs. 146 placebo) were evaluated from two RCTs. A significant benefit from SSAs in terms of disease control was observed (HR 0...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402918/improvement-of-wheat-straw-anaerobic-digestion-through-alkali-pre-treatment-carbohydrates-bioavailability-evaluation-and-economic-feasibility
#14
Maycoll Stiven Romero-Güiza, Radziah Wahid, Verónica Hernández, Henrik Møller, Belén Fernández
Lignocellulosic biomasses such as wheat straw are widely used as a feedstock for biogas production. However, these biomasses are mainly composed of a compact fibre structure and therefore, it is recommended to treat them prior to its usage for biogas production in order to improve their bioavailability. The aim of this work is to evaluate, in terms of performance stability, methane yield and economic feasibility, two different scenarios: a mesophilic codigestion of wheat straw and animal manure with or without a low-energy demand alkaline pre-treatment (0...
April 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28400169/combined-clinical-parameters-and-multiparametric-magnetic-resonance-imaging-for-advanced-risk-modeling-of-prostate-cancer-patient-tailored-risk-stratification-can-reduce-unnecessary-biopsies
#15
Jan Philipp Radtke, Manuel Wiesenfarth, Claudia Kesch, Martin T Freitag, Celine D Alt, Kamil Celik, Florian Distler, Wilfried Roth, Kathrin Wieczorek, Christian Stock, Stefan Duensing, Matthias C Roethke, Dogu Teber, Heinz-Peter Schlemmer, Markus Hohenfellner, David Bonekamp, Boris A Hadaschik
BACKGROUND: Multiparametric magnetic resonance imaging (mpMRI) is gaining widespread acceptance in prostate cancer (PC) diagnosis and improves significant PC (sPC; Gleason score≥3+4) detection. Decision making based on European Randomised Study of Screening for PC (ERSPC) risk-calculator (RC) parameters may overcome prostate-specific antigen (PSA) limitations. OBJECTIVE: We added pre-biopsy mpMRI to ERSPC-RC parameters and developed risk models (RMs) to predict individual sPC risk for biopsy-naïve men and men after previous biopsy...
April 8, 2017: European Urology
https://www.readbyqxmd.com/read/28399514/mortality-greenhouse-gas-emissions-and-consumer-cost-impacts-of-combined-diet-and-physical-activity-scenarios-a-health-impact-assessment-study
#16
Marko Tainio, Pablo Monsivais, Nicholas Rv Jones, Christian Brand, James Woodcock
OBJECTIVE: To quantify changes in mortality, greenhouse gas (GHG) emissions and consumer costs for physical activity and diet scenarios. DESIGN: For the physical activity scenarios, all car trips from <1 to <8 miles long were progressively replaced with cycling. For the diet scenarios, the study population was assumed to increase fruit and vegetable (F&V) consumption by 1-5 portions of F&V per day, or to eat at least 5 portions per day. Health effects were modelled with the comparative risk assessment method...
February 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28397559/cost-analysis-of-a-multidisciplinary-aerodigestive-clinic-are-such-clinics-financially-feasible
#17
Pamela A Mudd, Allison L Silva, Susan S Callicott, Nancy M Bauman
OBJECTIVE: Multidisciplinary clinics offer important value to pediatric patients with complex conditions that overlap specialties; however, such labor-intensive clinics are difficult to facilitate. We performed a cost analysis of our pediatric multidisciplinary aerodigestive clinic (MADC) to assess its financial feasibility at our tertiary care institution. METHOD: Revenue was based on net collections for clinic, professional, and hospital setting charges generated during 12 consecutive monthly MADCs beginning August 2013...
May 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28397168/can-a-bayesian-belief-network-be-used-to-estimate-1-year-survival-in-patients-with-bone-sarcomas
#18
Rajpal Nandra, Michael Parry, Jonathan Forsberg, Robert Grimer
BACKGROUND: Extremity sarcoma has a preponderance to present late with advanced stage at diagnosis. It is important to know why these patients die early from sarcoma and to predict those at high risk. Currently we have mid- to long-term outcome data on which to counsel patients and support treatment decisions, but in contrast to other cancer groups, very little on short-term mortality. Bayesian belief network modeling has been used to develop decision-support tools in various oncologic diagnoses, but to our knowledge, this approach has not been applied to patients with extremity sarcoma...
April 10, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28396176/the-single-parameter-structure-based-isopsa-assay-demonstrates-improved-diagnostic-accuracy-for-detection-of-any-prostate-cancer-and-high-grade-prostate-cancer-compared-to-a-concentration-based-assay-of-total-prostate-specific-antigen-a-preliminary-report
#19
Eric A Klein, Arnon Chait, Jason M Hafron, Kenneth M Kernen, Kannan Manickam, Andrew J Stephenson, Mathew Wagner, Hui Zhu, Aimee Kestranek, Boris Zaslavsky, Mark Stovsky
BACKGROUND: IsoPSA is a serum-based assay that predicts prostate cancer (PCa) risk by partitioning isoforms of prostate-specific antigen (PSA) with an aqueous two-phase reagent. OBJECTIVES: To determine the diagnostic accuracy of IsoPSA in identifying the presence or absence of PCa and the presence of high-grade disease in a contemporary biopsy cohort. DESIGN, SETTING, AND PARTICIPANTS: Multicenter prospective study of 261 men scheduled for prostate biopsy at five academic and community centers in the USA enrolled between August 2015 and December 2016...
April 7, 2017: European Urology
https://www.readbyqxmd.com/read/28395423/-a-pilot-study-to-explore-a-registry-method-for-acute-cardiovascular-events
#20
L Hou, W Han, Y Tang, F Xue, S H Liang, W Z Wang, B Zhang, H Y Pang, Y Y Wang, Z X Wang, Y D Hu, L Wang, M T Zhang, J M Jiang
Objective: To explore a registry method for acute cardiovascular events in large-scale fields across China. Methods: This study was based on a community-based Kazakh cohort, including 1 668 persons with complete baseline data, conducted in Altay, Xinjiang. Acute cardiovascular events included acute myocardial infarction(ICD-10: I21-I22), sudden cardiac death (I46.1), and incident stroke (I60-I64) that occurred during the period from Oct 1, 2012 to Jun 30, 2016. There were three stages, a hospital-based search for checking medical records of inpatients in all four local hospitals, a community-based supplementary registry, and an extra survey for reducing false negatives, to complete this registry...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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