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https://www.readbyqxmd.com/read/28529606/comparison-of-prognostic-nomograms-based-on-different-nodal-staging-systems-in-patients-with-resected-gastric-cancer
#1
Zi-Xian Wang, Miao-Zhen Qiu, Yu-Ming Jiang, Zhi-Wei Zhou, Guo-Xin Li, Rui-Hua Xu
Purpose: Previous studies addressing the optimal nodal staging system in patients with resected gastric cancer have shown inconsistent results, and the optimal system for development of prognostic nomograms remains unclear. In this study, we compared prognostic nomograms based on the metastatic lymph node (MLN) count, lymph node ratio (LNR), and log odds of metastatic lymph nodes (LODDS) to predict the 5-year overall survival in patients with resected gastric cancer. Methods: We analysed 15,320 patients with resected gastric cancer in the Surveillance, Epidemiology, and End Results (SEER) database between 1988 and 2010...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28529515/changes-in-leaf-anatomical-traits-enhanced-photosynthetic-activity-of-soybean-grown-in-hydroponics-with-plant-growth-promoting-microorganisms
#2
Roberta Paradiso, Carmen Arena, Veronica De Micco, Maria Giordano, Giovanna Aronne, Stefania De Pascale
The use of hydroponic systems for cultivation in controlled climatic conditions and the selection of suitable genotypes for the specific environment help improving crop growth and yield. We hypothesized that plant performance in hydroponics could be further maximized by exploiting the action of plant growth-promoting organisms (PGPMs). However, the effects of PGPMs on plant physiology have been scarcely investigated in hydroponics. Within a series of experiments aimed to identify the best protocol for hydroponic cultivation of soybean [Glycine max (L...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28526047/the-paradigm-of-eave-tubes-scaling-up-house-improvement-and-optimizing-insecticide-delivery-against-disease-transmitting-mosquitoes
#3
Fredros Okumu
Control of mosquito-borne diseases is greatly compromised by spread of insecticide resistance, high implementation costs and sub-optimal compliance among users. Improved housing has potential to reduce malaria transmission nearly as much as long-lasting insecticide-treated nets (LLINs), while also preventing other arthropod-borne diseases and improving overall well-being. Yet, it is hardly promoted as mainstream intervention, partly because of high costs, minimal communal benefits to people in non-improved houses, and low scalability...
May 19, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28525870/effective-swine-wastewater-treatment-by-combining-microbial-fuel-cells-with-flocculation
#4
Weijun Ding, Shaoan Cheng, Liliang Yu, Haobin Huang
Microbial fuel cells (MFCs) provide a cost-effective method for treating swine wastewater treatment and simultaneously producing electricity, yet they need to be combined with other wastewater treatment processes to improve the effluent water quality. In this paper, we constructed single-chamber air-cathode MFCs with a compact configuration for nitrogen and COD removal and high electricity production and combined them with a low-cost flocculation process to discharge higher quality wastewater. We show that MFCs could remove ammonia at a rate of 269...
May 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28524870/autotrophic-and-heterotrophic-acquisition-of-carbon-and-nitrogen-by-a-mixotrophic-chrysophyte-established-through-stable-isotope-analysis
#5
Ramon Terrado, Alexis L Pasulka, Alle A-Y Lie, Victoria J Orphan, Karla B Heidelberg, David A Caron
Collectively, phagotrophic algae (mixotrophs) form a functional continuum of nutritional modes between autotrophy and heterotrophy, but the specific physiological benefits of mixotrophic nutrition differ among taxa. Ochromonas spp. are ubiquitous chrysophytes that exhibit high nutritional flexibility, although most species generally fall towards the heterotrophic end of the mixotrophy spectrum. We assessed the sources of carbon and nitrogen in Ochromonas sp. strain BG-1 growing mixotrophically via short-term stable isotope probing...
May 19, 2017: ISME Journal
https://www.readbyqxmd.com/read/28523823/cost-benefit-analysis-of-controlling-the-spotted-wing-drosophila-drosophila-suzukii-matsumura-spread-and-infestation-of-soft-fruits-in-trentino-northern-italy
#6
Emanuele Del Fava, Claudio Ioriatti, Alessia Melegaro
BACKGROUND: We assessed the economic impact of the invasive pest Drosophila suzukii (Matsumura) on the soft fruit industry (strawberries, raspberries, blackberries, and blueberries) in Trentino, Northern Italy, using cost-benefit analysis. A conventional integrated pest management (IPM) based on insecticide, mass trapping and cultural measures is compared to an upgraded IPM strategy based on exclusion netting. Costs and benefits associated with the change between the two are estimated in order to evaluate the most profitable strategy from the societal point of view...
May 19, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28523635/2017-position-paper-of-the-italian-society-for-cardiovascular-prevention-siprec-for-an-updated-clinical-management-of-hypercholesterolemia-and-cardiovascular-risk-executive-document
#7
Massimo Volpe, Roberto Volpe, Giovanna Gallo, Vivianne Presta, Giuliano Tocci, Emanuela Folco, Andrea Peracino, Elena Tremoli, Bruno Trimarco
The benefits achieved by implementing cardiovascular prevention strategies in terms of reduced incidence of atherosclerotic diseases and mortality are accepted, worldwide. In particular, the clinical management of hypercholesterolemia has a fundamental role for all preventive strategies, both in primary and secondary prevention, at each stage of cardiovascular risk. Since the net clinical benefit of lipid-lowering therapy largely depends on baseline individual cardiovascular risk profile, the assessment of individual risk is essential to establish type and intensity of both preventive and therapeutic strategies...
May 18, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28521617/fingerprint-based-background-checks-for-personal-care-workers-stakeholder-views-of-policy-criteria
#8
Eric D Raile, Sarah J Swierenga, Toni A Dennis, Lauren A Swanson-Aprill, Lori A Post, Fuad Abujarad
Decision makers face difficult choices when tasked with identifying and implementing appropriate mechanisms for protecting the elderly and other vulnerable adults from abuse. A pilot project involving fingerprint-based criminal history background checks for personal care workers in Michigan has supplied an opportunity to examine one such mechanism. In conjunction with the pilot project, we have conducted a stakeholder analysis with the aim of informing decision makers about stakeholder perceptions of standard policy criteria like effectiveness, efficiency, and equity...
May 19, 2017: Journal of Elder Abuse & Neglect
https://www.readbyqxmd.com/read/28521060/diagnostic-and-prognostic-significance-of-dsm-5-attenuated-psychosis-syndrome-in-services-for-individuals-at-ultra-high-risk-for-psychosis
#9
Paolo Fusar-Poli, Andrea De Micheli, Marco Cappucciati, Grazia Rutigliano, Cathy Davies, Valentina Ramella-Cravaro, Dominic Oliver, Ilaria Bonoldi, Matteo Rocchetti, Lauren Gavaghan, Rashmi Patel, Philip McGuire
Background: The diagnostic and prognostic significance of the DSM-5-defined Attenuated Psychosis Syndrome (DSM-5-APS) in individuals undergoing an ultra high risk (UHR) clinical assessment for suspicion of psychosis risk is unknown. Methods: Prospective cohort study including all consecutive help-seeking individuals undergoing both a DSM-5-APS and a Comprehensive Assessment of At Risk Mental States (CAARMS 12/2006) assessment for psychosis risk at the Outreach and Support in South London (OASIS) UHR service (March 2013-April 2014)...
May 17, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28515807/external-validation-of-the-procars-nomograms-and-comparison-of-existing-risk-stratification-tools-for-localized-prostate-cancer
#10
David Tiberi, George Rodrigues, Tom Pickles, Jim Morris, Juanita Crook, Andre-Guy Martin, Fabio Cury, Charles Catton, Himu Lukka, Andrew Warner, Daniel Taussky
INTRODUCTION: The purpose of this study was to perform a direct comparison of several existing risk-stratification tools for localized prostate cancer in terms of their ability to predict for biochemical failure-free survival (BFFS). Two large databases were used and an external validation of two recently developed nomograms on an independent cohort was also performed in this analysis. METHODS: Patients who were treated with external beam radiotherapy (EBRT) and/or brachytherapy for localized prostate cancer were selected from the multi-institutional Genitourinary Radiation Oncologists of Canada (GUROC) Prostate Cancer Risk Stratification (ProCaRS) database (n=7974) and the Centre Hospitalier de l'Université de Montréal (CHUM) validation database (n=2266)...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28515729/growth-and-yield-responses-of-cowpea-to-inoculation-and-phosphorus-fertilization-in-different-environments
#11
Stephen Kyei-Boahen, Canon E N Savala, David Chikoye, Robert Abaidoo
Cowpea (Vigna unguiculata) is a major source of dietary protein and essential component of the cropping systems in semi-arid regions of Sub-Saharan Africa. However, yields are very low due to lack of improved cultivars, poor management practices, and limited inputs use. The objectives of this study were to assess the effects of rhizobia inoculant and P on nodulation, N accumulation and yield of two cowpea cultivars in Mozambique. Field study was conducted in three contrasting environments during the 2013/2014 and 2014/2015 seasons using randomized complete block design with four replications and four treatments...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28514633/why-have-multiple-plastic-responses-interactions-between-color-change-and-heat-avoidance-behavior-in-battus-philenor-larvae
#12
Matthew E Nielsen, Daniel R Papaj
Having multiple plastic responses to a change in the environment, such as increased temperature, can be adaptive for two major reasons: synergy (the plastic responses perform better when expressed simultaneously) or complementarity (each plastic response provides a greater net benefit in a different environmental context). We investigated these hypotheses for two forms of temperature-induced plasticity of Battus philenor caterpillars in southern Arizona populations: color change (from black to red at high temperatures) and heat avoidance behavior (movement from host to elevated refuges at high host temperatures)...
June 2017: American Naturalist
https://www.readbyqxmd.com/read/28514319/prospective-external-validation-of-three-preoperative-risk-scores-for-prediction-of-new-onset-atrial-fibrillation-after-cardiac-surgery
#13
Matthew J Cameron, Diem T T Tran, Jean Abboud, Ethan K Newton, Houman Rashidian, Jean-Yves Dupuis
BACKGROUND: Postoperative atrial fibrillation (POAF) is associated with early and late morbidity and mortality of cardiac surgical patients. Prophylactic treatment of atrial fibrillation (AF) has been recommended to improve outcome in cardiac surgical patients at high risk of developing POAF. Reliable models for prediction of POAF are needed to achieve that goal. This study attempted to externally validate 3 risk models proposed for preoperative prediction of POAF in cardiac surgical patients: the POAF score, the CHA2DS2-VASc score, and the Atrial Fibrillation Risk Index...
May 12, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28514203/cost-effectiveness-of-mr-imaging-guided-strategies-for-detection-of-prostate-cancer-in-biopsy-naive-men
#14
Shivani Pahwa, Nicholas K Schiltz, Lee E Ponsky, Ziang Lu, Mark A Griswold, Vikas Gulani
Purpose To evaluate the cost-effectiveness of multiparametric diagnostic magnetic resonance (MR) imaging examination followed by MR imaging-guided biopsy strategies in the detection of prostate cancer in biopsy-naive men presenting with clinical suspicion of cancer for the first time. Materials and Methods A decision-analysis model was created for biopsy-naive men who had been recommended for prostate biopsy on the basis of abnormal digital rectal examination results or elevated prostate-specific antigen levels (age groups: 41-50 years, 51-60 years, and 61-70 years)...
May 17, 2017: Radiology
https://www.readbyqxmd.com/read/28513103/a-systematic-review-and-meta-analysis-of-interval-training-versus-moderate-intensity-continuous-training-on-body-adiposity
#15
REVIEW
S E Keating, N A Johnson, G I Mielke, J S Coombes
Interval training (including high-intensity interval training [HIIT] and sprint interval training [SIT]) is promoted in both scientific and lay media as being a superior and time-efficient method for fat loss compared with traditional moderate-intensity continuous training (MICT). We evaluated the efficacy of HIIT/SIT when directly compared with MICT for the modulation of body adiposity. Databases were searched to 31 August 2016 for studies with exercise training interventions with minimum 4-week duration. Meta-analyses were conducted for within-group and between-group comparisons for total body fat percentage (%) and fat mass (kg)...
May 17, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28512173/clinical-utility-of-risk-models-to-refer-patients-with-adnexal-masses-to-specialized-oncology-care-multicenter-external-validation-using-decision-curve-analysis
#16
Laure Wynants, Dirk Timmerman, Jan Verbakel, Antonia Testa, Luca Savelli, Daniela Fischerová, Dorella Franchi, Caroline D Van Holsbeke, Elisabeth Epstein, Wouter Froyman, Stefano Guerriero, Alberto Rossi, Robert Fruscio, Francesco Leone, Tom Bourne, Lil Valentin, Ben Van Calster
To evaluate the utility of pre-operative diagnostic models for ovarian cancer based on ultrasound and/or biomarkers for referring patients to specialized oncology care. The investigated models were RMI, ROMA, and three models from the International Ovarian Tumor Analysis (IOTA) group (LR2, ADNEX, and the Simple Rules risk score, SRRisks). <p>DESIGN: A secondary analysis of prospectively collected data from two cross-sectional cohort studies performed to externally validate diagnostic models.</p> <p>PARTICIPANTS: A total of 2763 patients (2403 in dataset 1 and 360 in dataset 2) from 18 centers (11 oncology centers and 7 non-oncology hospitals) in 6 countries...
May 16, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28511690/development-of-a-clinical-prediction-algorithm-for-knee-osteoarthritis-structural-progression-in-a-cohort-study-value-of-adding-measurement-of-subchondral-bone-density
#17
Michael P LaValley, Grace H Lo, Lori Lyn Price, Jeffrey B Driban, Charles B Eaton, Timothy E McAlindon
BACKGROUND: Risk prediction algorithms increase understanding of which patients are at greatest risk of a harmful outcome. Our goal was to create a clinically useful prediction algorithm for structural progression of knee osteoarthritis (OA), using medial joint space loss as a proxy; and to quantify the benefit of including periarticular bone mineral density (BMD) in the algorithm. METHODS: Participants were from the Osteoarthritis Initiative (OAI) Progression Cohort, with X-ray readings of medial joint space at 36- and 48-month visits, and a 30- or 36-month medial-to-lateral tibial BMD ratio (M:L BMD ratio) value...
May 16, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28511087/optional-use-of-cam-photosynthesis-in-two-c4-species-portulaca-cyclophylla-and-portulaca-digyna
#18
Joseph A M Holtum, Lillian P Hancock, Erika J Edwards, Klaus Winter
Low levels of crassulacean acid metabolism (CAM) are demonstrated in two species with C4 photosynthesis, Portulaca cyclophylla and P. digyna. The expression of CAM in P. cyclophylla and P. digyna is facultative, i.e. optional. Well-watered plants did not accumulate acid at night and exhibited gas-exchange patterns consistent with C4 photosynthesis. CAM-type nocturnal acidification was reversible in that it was induced following drought and lost when droughted plants were rewatered. In P. cyclophylla, droughting was accompanied by a small but discernible net uptake of CO2 during the dark, whereas in P...
February 1, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28500779/beyond-nutrients-a-meta-analysis-of-the-diverse-effects-of-arbuscular-mycorrhizal-fungi-on-plants-and-soils
#19
Camille S Delavaux, Lauren M Smith-Ramesh, Sara E Kuebbing
Arbuscular mycorrhizal fungi (AMF) can increase plant fitness under certain environmental conditions. Among the mechanisms that may drive this mutualism, the most studied is provisioning of nutrients by AMF in exchange for carbon from plant hosts. However, AMF may also provide a suite of non-nutritional benefits to plants including improved water uptake, disease resistance, plant chemical defense, soil aggregation, and allelochemical transport and protection. Here, we use a meta-analysis of 93 studies to assess the relative effect of AMF on nutritional and non-nutritional factors that may influence plant fitness...
May 13, 2017: Ecology
https://www.readbyqxmd.com/read/28500517/role-of-non-statins-ldl-c-thresholds-and-special-population-considerations-a-look-at-the-updated-2016-acc-consensus-committee-recommendations
#20
REVIEW
Bhavin B Adhyaru, Terry A Jacobson
PURPOSE OF REVIEW: The 2013 ACC/AHA Cholesterol guidelines was a major paradigm shift in the management and treatment of dyslipidemia. The new guidelines outlined "statin benefit groups," highlighted weighing the benefit versus risks of statin therapy ("net benefit"), and discussed the importance of shared decision making between patients and providers in primary prevention. While there was widespread agreement on the main groups benefiting from statin therapy, there was significant controversy regarding LDL-C goals and thresholds, the role of non-statin therapy, and the use of statins in specific populations...
June 2017: Current Atherosclerosis Reports
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