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Andreas von Deimling, Takahiro Ono, Mitsuaki Shirahata, David N Louis
Estimating the malignancy level of tumors is key to management, and has been part of oncology practice for the past ∼100 years. A central aspect of assessing malignancy level is based on histological "grading"-a process in which a pathologist evaluates microscopic features of a tumor and interprets those findings in light of large prognostic studies. For the diffuse astrocytic gliomas, there have been many such studies over the past century and these have proven useful in estimating prognosis for patients...
February 2018: Seminars in Neurology
Katharine D Wenstrom, Mary E D'Alton, Daniel F O'Keefe
OBJECTIVE:  To conduct a survey of the members of the Society for Maternal-Fetal Medicine (SMFM) to determine the practice patterns of maternal-fetal medicine (MFM) subspecialists in the United States and to estimate the likelihood that our work force is sufficient to support the proposed MFM staffing requirements for level III and IV maternity centers. STUDY DESIGN:  All regular SMFM members in the United States were invited to answer a 26 question survey by email...
March 16, 2018: American Journal of Perinatology
Caroline Charette, Krista L Best, Emma M Smith, William C Miller, François Routhier
Background: Mobility limitations represent the third most prevalent cause of disability, affecting more than 1.9 million community-dwelling Canadians. Walking aids are often prescribed to reduce the impacts of mobility impairments. There are limited data on walking aids since 2004. Objective: The objective of this study was to investigate the prevalence of walking aid use in Canada and to explore demographic characteristics among users of walking aids. Design: The design used was a secondary analysis of a cross-sectional national survey...
March 14, 2018: Physical Therapy
Amarateedha H Prak, Kristina M Dela Rosa
With skin lesions that have failed previous treatments, consideration for an atypical mycobacteria, specifically Mycobacterium marinum, infection should be suspected. Importance of the history cannot be stressed as this is a clue that the patient may have been inoculated and infected in the field environment. A marine with chronic right knee plaque for 3 yr that first appeared after a field exercise at The Basic School but worsened despite treatment with clindamycin, TMP-SMX, and incision and drainage in 2012...
March 14, 2018: Military Medicine
Anna Wallerstedt, Peter Strom, Henrik Gronberg, Tobias Nordstrom, Martin Eklund
Background: Studies have shown that 5α-reductase inhibitors (5-ARIs) decrease the risk for low-grade prostate cancer (PC), but results are conflicting concerning high-grade PCs. The objective of the present study is to evaluate the association between 5-ARI treatment for lower urinary tract symptoms and the risk for PC. Methods: This is a population-based prospective study on all men age 40 years and older with at least one prostate-specific antigen (PSA) test in Stockholm County from January 2007 until December 2015...
March 14, 2018: Journal of the National Cancer Institute
Marco Armando, Corrado Sandini, Maelle Chambaz, Marie Schaer, Maude Schneider, Stephan Eliez
Converging evidence suggests that psychosis emerges from the complex interaction of genetic and environmental factors. Stressful life events (SLEs) play a prominent role in combination with coping strategies and with a dysfunctional hypothalamus-pituitary-adrenal axis (HPAA). It has been proposed that the framework of schizotypy might help disentangle the interaction between genetic and environmental factors in the pathogenesis of psychosis. Similarly, 22q11.2 deletion syndrome (22q11DS) is considered as a genetic model of psychosis vulnerability...
March 14, 2018: Schizophrenia Bulletin
Carla T Murray, Matthew Schmit
Introduction: We estimate the effect on health care spending of an option to change TRICARE. Under the option, which is based on a proposal made by the Military Compensation and Retirement Modernization Commission (MCRMC), most beneficiaries could choose from a range of commercial health networks instead of the current TRICARE plans. Military treatment facilities would become network providers under the commercial plans. Materials and Methods: We used data from the Department of Defense (DoD) to estimate the cost of providing the current health care benefit to working-age retirees and their dependents and survivors, and active duty family members...
March 14, 2018: Military Medicine
Luke Mease, Reema Sikka, Randall Rhees
Introduction: To analyze the effectiveness and suitability of pupillometer use in military and occupational medicine, specifically when pupil size is measured as part of medical surveillance. Pupil size is the most sensitive physical exam finding in vapor exposure to substances that inhibit acetylcholinesterase, such as nerve agent (chemical warfare) and organophosphates (used in agriculture). Pupillometer use permits real-time, accurate pupil measurements, which are of significant value in occupational setting where exposure to organophosphates is suspected and in dynamic military settings where it may be unclear if service members were exposed to nerve agent or not...
March 14, 2018: Military Medicine
Nathan H Johnson, Carol Vidal, Flavius R W Lilly
Background: Current prevalence estimates are 15% for depression and 20% for anxiety disorders among college students. These disorders are known to negatively impact academic achievement and persistence. It is important to understand the effects of parental military service on the mental health of children across development. The purpose of this study is to examine the influence of being raised in a military household on current and historical depression and anxiety disorders among college students...
March 14, 2018: Military Medicine
Bryan W Heckman, K Michael Cummings, Georges J Nahas, Marc C Willemsen, Richard J O'Connor, Ron Borland, Alexander A Hirsch, Warren K Bickel, Matthew J Carpenter
Introduction: The demand for alternative nicotine/tobacco products is not well established. This paper uses a behavioral economic approach to test whether smokers have differential demand for conventional factory-made, electronic, and very low nicotine content cigarettes (FMCs/ECs/VLNCs) and uses the prospective cohort design to test the predictive validity of demand indices on subsequent use of commercially available FMCs and ECs. Methods: Daily smokers (>16 years) from the Netherlands completed an online survey in April 2014 (N=1215)...
March 14, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
P D Tar, N A Thacker, M Babur, Y Watson, S Cheung, R A Little, R G Gieling, K J Williams, J P B O'Connor
Motivation: Imaging demonstrates that preclinical and human tumors are heterogeneous, i.e. a single tumor can exhibit multiple regions that behave differently during both normal development and also in response to treatment. The large variations observed in control group tumors can obscure detection of significant therapeutic effects due to the ambiguity in attributing causes of change. This can hinder development of effective therapies due to limitations in experimental design, rather than due to therapeutic failure...
March 14, 2018: Bioinformatics
Eric B Elbogen, H Ryan Wagner, Mira Brancu, Nathan A Kimbrel, Jennifer C Naylor, Cindy M Swinkels, John A Fairbank
Introduction: In response to a strong focus on suicide prevention for all veterans, the Department of Veterans Affairs (VA) recently revised policy to provide emergency mental healthcare for veterans who received Other Than Honorable (OTH) discharges from the military. This current study takes a preliminary step toward identifying demographic, historic, military, clinical, and social characteristics of veterans with OTH discharges. Materials and Methods: N = 1,172 Iraq/Afghanistan-era veterans were evaluated between 2005 and 2016 in the multi-site VA Mid-Atlantic Mental Illness, Research, Education and Clinical Center (MIRECC) Study of Post-Deployment Mental Health (PDMH Study)...
March 14, 2018: Military Medicine
Shana J Kim, Tomasz Huzarski, Jacek Gronwald, Christian F Singer, Pål Møller, Henry T Lynch, Susan Armel, Beth Y Karlan, William D Foulkes, Susan L Neuhausen, Leigha Senter, Andrea Eisen, Charis Eng, Seema Panchal, Tuya Pal, Olufunmilayo Olopade, Dana Zakalik, Jan Lubinski, Steven A Narod, Joanne Kotsopoulos
Background: Although evidence suggests that larger body size in early life confers lifelong protection from developing breast cancer, few studies have investigated the relationship between body size and breast cancer risk among BRCA mutation carriers. Therefore, we conducted a prospective evaluation of body size and the risk of breast cancer among BRCA mutation carriers. Methods: Current height and body mass index (BMI) at age 18 were determined from baseline questionnaires...
March 13, 2018: International Journal of Epidemiology
Brian Shiner, Christine Leonard Westgate, Vanessa Simiola, Richard Thompson, Paula P Schnurr, Joan M Cook
Objective: Available studies on implementation of evidence-based psychotherapy (EBP) for patients attending Department of Veterans Affairs (VA) residential post-traumatic stress disorder (PTSD) programs rely on therapist self-report of EBP delivery. Patient-level data on receipt of EBP are needed both to corroborate therapist self-report and to understand patient factors that predict receipt of EBPs for PTSD. Materials and Methods: We identified 159 therapists from 38 VA residential PTSD programs who responded to a survey about EBP implementation during the 2015 fiscal year (FY15)...
March 14, 2018: Military Medicine
Klemen Pavlic, Maja Pohar Perme
A common goal in the analysis of the long-term survival related to a specific disease is to estimate a measure that is comparable between populations with different general population mortality. When cause of death is unavailable or unreliable, as for example in cancer registry studies, relative survival methodology is used-in addition to the mortality data of the patients, we use the data on the mortality of the general population. In this article, we focus on the marginal relative survival measure that summarizes the information about the disease-specific hazard...
March 13, 2018: Biostatistics
Satoshi Murao, Yasunori Takata, Mitsugi Yasuda, Haruhiko Osawa, Fumikazu Kohi
Background: Considering sex differences, salt sensitivity and insulin resistance (IR), the effect of sodium restriction and increased potassium intake on blood pressure remains unclear in normotensive Asian individuals, compared to that in hypertensive patients. Methods: To assess the influence of sodium and potassium intake in normotensive individuals, we evaluated the estimated 24-hour urinary sodium and potassium excretion rate in 3,392 drug-naïve normotensive Japanese individuals (average age: 48...
March 14, 2018: American Journal of Hypertension
Edna M S Oliveira, Francisco R Silva, Crislânia C O Morais, Thiago Mielle B F Oliveira, Carlos A Martínez-Huitle, Artur J Motheo, Cynthia C Albuquerque, Suely S L Castro
This study investigated the anodic oxidation of phenolic wastewater generated by cashew-nut processing industry (CNPI) using active (Ti/RuO2 -TiO2 ) and inactive (boron doped diamond, BDD) anodes. During electrochemical treatment, various operating parameters were investigated, such as current density, chemical oxygen demand (COD), total phenols, O2 production, temperature, pH, as well as current efficiency and energy consumption. After electrolysis under optimized working conditions, samples were evaluated by chromatography and toxicological tests against L...
February 9, 2018: Chemosphere
Giorgio Vilardi, Thanasis Mpouras, Dimitris Dermatas, Nicola Verdone, Angeliki Polydera, Luca Di Palma
Carbon Nanotubes (CNTs) and nano Zero-Valent Iron (nZVI) particles, as well as two nanocomposites based on these novel nanomaterials, were employed as nano-adsorbents for the removal of hexavalent chromium, selenium and cobalt, from aqueous solutions. Nanomaterials characterization included the determination of their point of zero charge and particle size distribution. CNTs were further analyzed using scanning electron microscopy, thermogravimetric analysis and Raman spectroscopy to determine their morphology and structural properties...
March 5, 2018: Chemosphere
H Lindman, M Andersson, J Ahlgren, E Balslev, A Sverrisdottir, S B Holmberg, N O Bengtsson, E H Jacobsen, A B Jensen, J Hansen, M K Tuxen, L Malmberg, K Villman, H Anderson, B Ejlertsen, J Bergh, C Blomqvist
STUDY AIM: Retrospective studies have demonstrated a worse outcome in breast cancer patients not developing leukopenia during adjuvant chemotherapy. The SBG 2000-1 is the first randomised trial designed to compare individually dosed chemotherapy without G-CSF support based on grade of toxicity to standard-dosed chemotherapy based on body surface area (BSA). METHODS: Patients with early breast cancer were included and received the first cycle of standard FEC (fluorouracil 600 mg/m2 , epirubicin 60 mg/m2 , cyclophosphamide 600 mg/m2 )...
March 13, 2018: European Journal of Cancer
Hamid Reza Rajabi, Fatemeh Karimi, Hossein Kazemdehdashti, Leila Kavoshi
In this research, a sono-assisted chemical precipitation method was developed for a quick and efficient water-based synthesis of zinc sulfide (ZnS) quantum dots (QDs), in room temperature. ZnS QDs as pure and doped with some transition metal ions (such as Cu2+ , Mn2+ , Ag+ ) were prepared in the presence of l-cysteine, as capping agent. In comparison with the previous conventional methods, applying the ultrasonic irradiation provides a significant decrease in the reaction time. In comparison with previous reported conventional chemical QD synthesis methods, the required time for a complete synthesis in the presence of ultrasonic irradiations was significantly reduced to a period as short as 15 min, in a temperature of 40 °C...
February 22, 2018: Journal of Photochemistry and Photobiology. B, Biology
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