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https://www.readbyqxmd.com/read/28732398/simulation-of-targeted-pollutant-mitigation-strategies-to-reduce-nitrate-and-sediment-hotspots-in-agricultural-watershed
#1
Awoke Dagnew Teshager, Philip W Gassman, Silvia Secchi, Justin T Schoof
About 50% of U.S. water pollution problems are caused by non-point source (NPS) pollution, primarily sediment and nutrients from agricultural areas, despite the widespread implementation of agricultural Best Management Practices (BMPs). However, the effectiveness of implementation strategies and type of BMPs at watershed scale are still not well understood. In this study, the Soil and Water Assessment Tool (SWAT) ecohydrological model was used to assess the effectiveness of pollutant mitigation strategies in the Raccoon River watershed (RRW) in west-central Iowa, USA...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28731941/the-biology-of-aging-and-cancer-frailty-inflammation-and-immunity
#2
Xinwen Zhang, Xin Meng, Yiyin Chen, Sean X Leng, Haiyan Zhang
The majority of patients with common malignancies are older adults. Intrinsic complex biological changes of aging along with inflammation, immunosenescence, age-associated chronic diseases, and extrinsic environmental and psychosocial factors have significant impact on not only development and behavior of individual malignancies, but also physiologic reserve and vulnerability of older patients who suffer from them. As a result, clinical practice of geriatric oncology demands integration of careful geriatric assessment and management...
July 2017: Cancer Journal
https://www.readbyqxmd.com/read/28731829/pattern-and-process-in-the-comparative-study-of-convergent-evolution
#3
D Luke Mahler, Marjorie G Weber, Catherine E Wagner, Travis Ingram
Understanding processes that have shaped broad-scale biodiversity patterns is a fundamental goal in evolutionary biology. The development of phylogenetic comparative methods has yielded a tool kit for analyzing contemporary patterns by explicitly modeling processes of change in the past, providing neontologists tools for asking questions previously accessible only for select taxa via the fossil record or laboratory experimentation. The comparative approach, however, differs operationally from alternative approaches to studying convergence in that, for studies of only extant species, convergence must be inferred using evolutionary process models rather than being directly measured...
August 2017: American Naturalist
https://www.readbyqxmd.com/read/28731808/clinical-practice-in-pet-ct-for-the-management-of-head-and-neck-squamous-cell-cancer
#4
Reema Goel, William Moore, Baran Sumer, Saad Khan, David Sher, Rathan M Subramaniam
OBJECTIVE: The purpose of this article is to summarize the evidence for the value of PET/CT for the management of patients with head and neck squamous cell cancer and suggest best clinical practices. CONCLUSION: FDG PET/CT is a valuable imaging tool for identifying unknown primary tumors in patients with known cervical node metastases leading to management change and is the standard of care for the initial staging of stage III and IV head and neck squamous cell carcinomas (HNSCCs), for assessing therapy response when performed at least 12 weeks after chemoradiation therapy, and for avoiding unnecessary planned neck dissection...
August 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28731404/jackson-pratt-drainage-in-pediatric-craniofacial-reconstructive-surgery-is-it-helping-or-hurting
#5
Kumar Vasudevan, Ahyuda Oh, R Shane Tubbs, David Garcia, Andrew Reisner, Joshua J Chern
OBJECTIVE Jackson-Pratt drains (JPDs) are commonly employed in pediatric craniofacial reconstructive surgery (CRFS) to reduce postoperative wound complications, but their risk profile remains unknown. Perioperative blood loss and volume shifts are major risks of CFRS. The goal of this study was to evaluate the risks of JPD usage in CFRS, particularly with regard to perioperative blood loss, hyponatremia, intensive care unit (ICU) length of stay, and postoperative wound complications. METHODS The authors performed a retrospective review of data obtained in pediatric patients who underwent CFRS at a single institution, as performed by multiple surgeons between January 2010 and December 2014...
July 21, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28731086/microfluidic-and-nanofluidic-phase-behaviour-characterization-for-industrial-co2-oil-and-gas
#6
REVIEW
Bo Bao, Jason Riordon, Farshid Mostowfi, David Sinton
Microfluidic systems that leverage unique micro-scale phenomena have been developed to provide rapid, accurate and robust analysis, predominantly for biomedical applications. These attributes, in addition to the ability to access high temperatures and pressures, have motivated recent expanded applications in phase measurements relevant to industrial CO2, oil and gas applications. We here present a comprehensive review of this exciting new field, separating microfluidic and nanofluidic approaches. Microfluidics is practical, and provides similar phase properties analysis to established bulk methods with advantages in speed, control and sample size...
July 21, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28731052/real-world-visual-acuity-outcomes-between-ranibizumab-and-aflibercept-in-treatment-of-neovascular-amd-in-a-large-us-data-set
#7
A Lotery, R Griner, A Ferreira, F Milnes, P Dugel
PurposeTo examine 12-month real-world visual acuity outcomes and treatment patterns in neovascular age-related macular degeneration (nAMD) eyes, including those with pigment epithelial detachment (PED), receiving ranibizumab or aflibercept.Patients and methodsElectronic medical records were used to identify ranibizumab or aflibercept-treated nAMD eyes with 12 months follow-up from first prescription. The primary objective was to compare mean change in visual acuity (VA) between index and month 12, in eyes treated with ranibizumab and aflibercept to assess the non-inferiority of ranibizumab vs aflibercept using a -5 letter non-inferiority margin...
July 21, 2017: Eye
https://www.readbyqxmd.com/read/28731000/appropriateness-based-reimbursement-of-elective-invasive-coronary-procedures-in-low-and-middle-income-countries-preliminary-assessment-of-feasibility-in-india
#8
Ganesan Karthikeyan, Umesh Shirodkar, Meeta Rajiv Lochan, Stephen Birch
BACKGROUND: Elective coronary interventional procedures are often overused and sometimes inappropriately used. The incentives for overuse are greater in low- and middle-income countries, where much of healthcare is provided by poorly regulated, fee-for-service systems. Overuse and inappropriate use increase healthcare costs and are potentially harmful to patients. Linking appropriate use of elective procedures to their reimbursement might deter overuse. METHODS: We explored the feasibility of introducing appropriateness criteria as a precondition to settling reimbursement claims in a publicly funded health insurance scheme in Maharashtra, India...
January 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/28730970/healthy-diet-and-reduction-of-chronic-disease-risks-of-night-shift-workers
#9
Giovanni M Ferri, Domenica Cavone, Graziana Intranuovo, Linda Macinagrossa
BACKGROUND: The large increase in epidemiological studies on night shift work is due to the important effects of night shift work on workers' health and psychophysical wellbeing. The short-term effects-insomnia, difficulties in managing work and private life, lower work performance, and more work and extra-work accidents-are easily studied. However, there are several long-term effects that are difficult to study because of the need for detailed exposure assessment and the long latency periods of these diseases...
July 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28730847/guidelines-for-the-assessment-and-diagnosis-of-patients-with-schizophrenia-spectrum-and-other-psychotic-disorders
#10
Donald Addington, Sabina Abidi, Iliana Garcia-Ortega, William G Honer, Zahinoor Ismail
OBJECTIVE: The objective of this article is to identify best practices in the diagnosis and assessment of patients with schizophrenia spectrum and other psychotic disorders. The diagnosis and assessment may occur in a range of situations from the emergency room to the outpatient clinic and at different stages of the disorder. The focus may be on acute exacerbations of illness, residual symptoms, levels of function, or changes in the response to treatment. METHODS: A systematic search was conducted for guidelines published in the last 5 years for schizophrenia and schizophrenia spectrum disorders...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28730824/glucagon-like-peptide-1-analogues-exenatide-and-liraglutide-exert-inhibitory-effect-on-the-early-phase-of-liver-regeneration-after-partial-hepatectomy-in-rats
#11
J Fontana, O Kučera, V Mezera, M Anděl, Z Červinková
Glucagon-like peptide-1 (GLP-1) is an incretin known for proliferative and antiapoptotic effects on various tissues. Exenatide and Liraglutide are GLP-1 analogues used in clinical practice as antidiabetic drugs. Since GLP-1 and its analogues exert significant effect on liver metabolism and since changes in intermediary metabolism play an important role in the process of liver regeneration, we decided to determine the effect of Exenatide and Liraglutide on the early phase of liver regeneration and selected metabolic parameters in a model of 2/3 partial hepatectomy (PHx) in rats...
July 18, 2017: Physiological Research
https://www.readbyqxmd.com/read/28730812/potential-scanning-localized-plasmon-sensing-with-single-and-coupled-gold-nanorods
#12
Tokuhisa Kawawaki, Heyou Zhang, Hiroyasu Nishi, Paul Mulvaney, Tetsu Tatsuma
Single plasmonic nanoparticles can potentially serve as optical sensors for detecting local refractive index changes. However, simultaneous monitoring of the scattering spectra from multiple nanoparticles is not practical. Here we perform potential-scanning localized surface plasmon resonance (LSPR) sensing. Gold nanorods are immobilized on an ITO electrode. Instead of collecting the full spectrum, as is done in conventional LSPR sensing, the electrode potential is scanned while the rod spectra are monitored at a single wavelength...
July 21, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28730717/measuring-the-contribution-of-art-therapy-in-multidisciplinary-treatment-of-personality-disorders-the-construction-of-the-self-expression-and-emotion-regulation-in-art-therapy-scale-serats
#13
Suzanne Haeyen, Susan van Hooren, William M van der Veld, Giel Hutschemaekers
Despite the use of art therapy in clinical practice, its appreciation and reported beneficial results, no instruments are available to measure specific effects of art therapy among patients with personality disorders cluster B/C in multidisciplinary treatment. In the present study, we described the development and psychometric evaluation of the Self-expression and Emotion Regulation in Art Therapy Scale (SERATS). Structural validity (exploratory and confirmatory factor analysis), reliability, construct validity and sensitivity to change were examined using two independent databases (n = 335; n = 34) of patients diagnosed with personality disorders cluster B/C...
July 21, 2017: Personality and Mental Health
https://www.readbyqxmd.com/read/28730705/-those-who-care-much-understand-much-maternal-perceptions-of-children-s-appetite-perspectives-from-urban-and-rural-caregivers-of-diverse-parenting-experience-in-bangladesh
#14
Nurun Naila, Baitun Nahar, Monica Lazarus, Gaelen Ritter, Muttaquina Hossain, Mustafa Mahfuz, Tahmeed Ahmed, Donna Denno, Judd Walson, Scott Ickes
Appetite in children is an important determinant of nutritional intake and growth. The information used by caregivers to understand children's appetite can help inform infant and young child feeding promotion and appetite assessment. We conducted a qualitative study to (a) explore maternal perceptions and responses to children's appetite and (b) to identify how these factors differ by type of caregiver, level of maternal experience, and urban versus rural context. We used purposive sampling to recruit mothers and alternate caregivers into 14 total focus group discussions (six to eight participants in each group; N = 95) in both urban and rural settings in Bangladesh...
July 21, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28730658/ferroelectrics-as-smart-mechanical-materials
#15
Kumara Cordero-Edwards, Neus Domingo, Amir Abdollahi, Jordi Sort, Gustau Catalan
The mechanical properties of materials are insensitive to space inversion, even when they are crystallographically asymmetric. In practice, this means that turning a piezoelectric crystal upside down or switching the polarization of a ferroelectric should not change its mechanical response. Strain gradients, however, introduce an additional source of asymmetry that has mechanical consequences. Using nanoindentation and contact-resonance force microscopy, this study demonstrates that the mechanical response to indentation of a uniaxial ferroelectric (LiNbO3 ) does change when its polarity is switched, and use this mechanical asymmetry both to quantify its flexoelectricity and to mechanically read the sign of its ferroelectric domains...
July 21, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28730532/survey-of-primary-care-providers-knowledge-of-screening-for-diagnosing-and-managing-prediabetes
#16
Eva Tseng, Raquel C Greer, Paul O'Rourke, Hsin-Chieh Yeh, Maura M McGuire, Jeanne M Clark, Nisa M Maruthur
BACKGROUND: Prediabetes affects 86 million US adults, but primary care providers' (PCPs') knowledge, practices, attitudes and beliefs toward prediabetes are unclear. OBJECTIVE: Assess PCPs' (1) knowledge of risk factors that should prompt prediabetes screening, laboratory criteria for diagnosing prediabetes and guidelines for management of prediabetes; (2) management practices around prediabetes; (3) attitudes and beliefs about prediabetes. DESIGN: Self-administered written survey of PCPs...
July 20, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28730348/-pharyngoesophageal-diverticulum
#17
C A Gutschow, P Bauerfeind
Over the last 20-30 years, treatment of pharyngoesophageal diverticula was subject to a number of fundamental changes. Considering the classical open transcervical approaches, the necessity for myotomy of the upper esophageal sphincter with the goal of interrupting the pathogenesis of the disease has become a standard component of the operation. On the other hand, with the growing popularity of rigid and flexible endoscopic techniques, pharyngoesophageal diverticula are increasingly being treated by gastroenterologists and otorhinolaryngologists, often with the argument of a technically easier and less invasive procedure; however, it remains unclear whether this shift towards endoscopic techniques truly translates into better outcome quality...
July 20, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28730302/internal-resources-among-informal-caregivers-trajectories-and-associations-with-well-being
#18
Kristin Litzelman, Gina Tesauro, Rebecca Ferrer
PURPOSE: The experiences, skills, and internal resources that informal caregivers bring into their role may play a critical part in their mental health and well-being. This study examined how caregiver internal resources changed over a 10 year period, and how this was related to caregivers' well-being. METHODS: Data are from the Midlife in the United States (MIDUS) study, a national sample of adults, at two time points: 1995-1996 (T1) and 2004-2006 (T2). We identified subjects who reported being a caregiver at T2 and starting care after T1 (mean age = 56; 65% female)...
July 20, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28730240/a-16-year-retrospective-study-of-dacryocystitis-in-adult-patients-in-the-moldavia-region-romania
#19
Claudia Florida Costea, Gabriela FlorenŢa Dumitrescu, Mihaela Dana Turliuc, Gabriela Dimitriu, Mădălina Adriana Chihaia, Lucia Indrei, Nicoleta Dumitrescu, Andrei Cucu, Alexandru Cărăuleanu, Cristina Maria Gavrilescu, Irina Iuliana Costache
PURPOSE: Chronic dacryocystitis (CD) is an inflammation of the lacrimal sac and nasolacrimal duct with a long-standing evolution. The aims of this study were to analyze the epidemiology and to evaluate the histopathological features and the chronic inflammation score (CIS) system of chronic dacryocystitis in the region of Moldavia, Romania, over a period of 16 years. METHODS: We conducted a retrospective descriptive analysis of all pathological reports of chronic dacryocystitis from the Department of Pathology, "Prof...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28730221/usefulness-of-ultrastructure-studies-for-the-estimation-of-the-postmortem-interval-a-systematic-review
#20
Sorin Hostiuc, Mugurel Constantin Rusu, Vasile Sorin Mănoiu, Alexandra Diana Vrapciu, IonuŢ Negoi, Maria Viorela Popescu
Establishing the postmortem interval (PMI) is vital in legal medicine as it allows to retrospectively estimate the hour of death, which is essential for the police as a starting point for their inquiries (especially in violent deaths). Ultrastructure studies aimed specifically to detect autolytic changes are scarcely identified in the scientific literature. Moreover, they are performed in a variety of conditions (different temperatures, species, in vitro ÷ in situ, and so on), making the results difficult to interpret for legal medicine purposes...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
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