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Kevin D Martin, Jeffrey Wake, Laura Dawson, J Preston Van Buren
Background: The prevalence of Achilles tendon (AT) pathology is common and can result in disability. Understanding normal AT properties can improve our ability to prevent AT injuries. We examined the cross-sectional area of the AT at multiple levels in an asymptomatic population of Army Rangers. Methods: This is a prospective cohort study composed of 41 voluntarily recruited United States Army Rangers deployed in a combat theater. All subjects were members of the Ranger Regiment participating in more than 20 h of intense bipedal non-sport weekly training with no history of AT pathology...
March 14, 2018: Military Medicine
Maciej Bura, Alicja Bukowska, Michał Michalak, Aleksandra Bura, Mariusz J Nawrocki, Marek Karczewski, Iwona Mozer-Lisewska
BACKGROUND: Hepatitis E virus (HEV) infection is an emerging problem in developed countries. At least 2 zoonotic genotypes of the virus (HEV-3 and HEV-4) infect human beings. There are some data suggesting that forest rangers (FRs) can be at a higher risk of contact with HEV. OBJECTIVES: The aim of this study was to assess the prevalence of HEV exposure markers in FRs from a single forest district in Greater Poland in relation to anti-HAV (hepatitis A virus) IgG, and anti-Borrelia spp...
March 13, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
A Ranger, A Dunlop, K Hutchinson, H Convery, M K Maclennan, H Chantler, N Twyman, C Rose, D McQuaid, R A Amos, C Griffin, N M deSouza, E Donovan, E Harris, C E Coles, A Kirby
AIMS: Radiotherapy target volumes in early breast cancer treatment increasingly include the internal mammary chain (IMC). In order to maximise survival benefits of IMC radiotherapy, doses to the heart and lung should be minimised. This dosimetry study compared the ability of three-dimensional conformal radiotherapy, arc therapy and proton beam therapy (PBT) techniques with and without breath-hold to achieve target volume constraints while minimising dose to organs at risk (OARs). MATERIALS AND METHODS: In 14 patients' datasets, seven IMC radiotherapy techniques were compared: wide tangent (WT) three-dimensional conformal radiotherapy, volumetric-modulated arc therapy (VMAT) and PBT, each in voluntary deep inspiratory breath-hold (vDIBH) and free breathing (FB), and tomotherapy in FB only...
February 23, 2018: Clinical Oncology: a Journal of the Royal College of Radiologists
Aoibheann Gaughran, David J Kelly, Teresa MacWhite, Enda Mullen, Peter Maher, Margaret Good, Nicola M Marples
We monitored the ranging of a wild European badger (Meles meles) population over 7 years using GPS tracking collars. Badger range sizes varied seasonally and reached their maximum in June, July and August. We analysed the summer ranging behaviour, using 83 home range estimates from 48 individuals over 6974 collar-nights. We found that while most adult badgers (males and females) remained within their own traditional social group boundaries, several male badgers (on average 22%) regularly ranged beyond these traditional boundaries...
2018: PloS One
Argyro Ntasi, Youssef S Al Jabbari, Nick Silikas, Theodore Eliades, Spiros Zinelis
OBJECTIVES: To characterize the microstructure, mechanical properties, ionic release and tarnish resistance of conventional and experimental Ag-based soldering alloys for orthodontic applications. METHODS: Disk shaped specimens were prepared from four commercial Ag based soldering alloys [Dentaurum Universal Silver Solder (DEN), Orthodontic Solders (LEO), Ortho Dental Universal Solder (NOB), and Silver Solder (ORT)] and four experimental alloys Ag12Ga, Ag10Ga5Sn, Ag20In and Ag7Sn...
January 29, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
Louisa Chou, Tom A Ranger, Waruna Peiris, Flavia M Cicuttini, Donna M Urquhart, Kaye Sullivan, Maheeka Seneviwickrama, Andrew M Briggs, Anita E Wluka
BACKGROUND: Optimal management of low back pain (LBP) involves patients' active participation in care, facilitated by positive interactions with their healthcare provider(s) (HCP). An understanding of patients' perceived needs regarding their HCP is, therefore, necessary to achieve such outcomes. Therefore, the aim is to review the existing literature regarding patients' perceived needs of HCP managing LBP. METHODS: A systematic scoping review was performed of publications in MEDLINE, EMBASE, CINAHL and PsycINFO (1990-2016)...
January 23, 2018: Spine Journal: Official Journal of the North American Spine Society
Tara M Mandalaywala, Gabrielle Ranger-Murdock, David M Amodio, Marjorie Rhodes
It is widely believed that race divides the world into biologically distinct kinds of people-an essentialist belief inconsistent with reality. Essentialist views of race have been described as early emerging, but this study found that young children (n = 203, Mage  = 5.45) hold only the more limited belief that the physical feature of skin color is inherited and stable. Overall, children rejected the causal essentialist view that behavioral and psychological characteristics are constrained by an inherited racial essence...
January 23, 2018: Child Development
Célia Planckaert, Gabriel Larose, Pierre Ranger, Marc Lacelle, Alexandre Fuentes, Nicola Hagemeister
INTRODUCTION: Up to 20% of total knee arthroplasty patients remain unsatisfied post-surgery, and a large proportion of them report anterior knee pain. This study aims to verify whether patients who experience anterior knee pain after total knee arthroplasty (TKA) will exhibit kinematic characteristics similar to those associated with patellofemoral syndrome, including in the frontal and transverse planes. MATERIALS AND METHODS: Using four different assessment methods [radiological, patient-reported outcome, musculoskeletal assessment with functional performance testing, and a 3D kinematic assessment during gait], the clinical and 3D knee kinematic profiles of three groups were compared: a painful and an asymptomatic TKA group and a healthy control group...
January 10, 2018: Archives of Orthopaedic and Trauma Surgery
Ann Ranger, Soma Ray, Suzanne Szak, Andrea Dearth, Norm Allaire, Ronald Murray, Rebecca Gardner, Diego Cadavid, Sha Mi
Objective: To evaluate whether the anti-LINGO-1 antibody has immunomodulatory effects. Methods: Human peripheral blood mononuclear cells (hPBMCs), rat splenocytes, and rat CD4+ T cells were assessed to determine whether LINGO-1 was expressed and was inducible. Anti-LINGO-1 Li81 (0.1-30 μg/mL) effect on proliferation/cytokine production was assessed in purified rat CD4+ T cells and hPBMCs stimulated with antibodies to CD3 +/- CD28. In humans, the effect of 2 opicinumab (anti-LINGO-1/BIIB033; 30, 60, and 100 mg/kg) or placebo IV administrations was evaluated in RNA from blood and CSF samples taken before and after administration in phase 1 clinical trials; paired samples were assessed for differentially expressed genes by microarray...
January 2018: Neurology® Neuroimmunology & Neuroinflammation
David S Thompson, Jacques Abourbih, Lorraine Carter, Gayle Adams-Carpino, Sue Berry, Lisa E Graves, Nichole J Ranger
Exploring the perceived environment where students are educated, as well as where they practice, is particularly important for educators and practitioners working in situations of interprofessional rural and remote health. In this study, we explored the perceptions of undergraduate medical students regarding interprofessionalism across their four-year undergraduate program which focuses on rural health. A thematic content analysis of the text-data was conducted on a convenience sample of 47 student responses to essay questions across four cohorts of a four-year undergraduate medical program...
December 13, 2017: Journal of Interprofessional Care
Z Dou, J Chen, Z Jiang, W L Song, J Xu, Z Y Wu
Objective: To understand the distribution of population viral load (PVL) data in HIV infected men who have sex with men (MSM), fit distribution function and explore the appropriate estimating parameter of PVL. Methods: The detection limit of viral load (VL) was ≤ 50 copies/ml. Box-Cox transformation and normal distribution tests were used to describe the general distribution characteristics of the original and transformed data of PVL, then the stable distribution function was fitted with test of goodness of fit...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
Alan M Friedlander, Enric Ballesteros, Sabrina Clemente, Emanuel J Gonçalves, Andrew Estep, Paul Rose, Enric Sala
The islands of Madeira and Selvagens are less than 300 km apart but offer a clear contrast between a densely populated and highly developed island (Madeira), and a largely uninhabited and remote archipelago (Selvagens) within Macaronesia in the eastern Atlantic. The Madeira Archipelago has ~260,000 inhabitants and receives over six million visitor days annually. The Selvagens Islands Reserve is one of the oldest nature reserves in Portugal and comprises two islands and several islets, including the surrounding shelf to a depth of 200 m...
2017: PloS One
Gaelle Fehlmann, M Justin O'Riain, Catherine Kerr-Smith, Stephen Hailes, Adrian Luckman, Emily L C Shepard, Andrew J King
A range of species exploit anthropogenic food resources in behaviour known as 'raiding'. Such behavioural flexibility is considered a central component of a species' ability to cope with human-induced environmental changes. Here, we study the behavioural processes by which raiding male chacma baboons (Papio ursinus) exploit the opportunities and mitigate the risks presented by raiding in the suburbs of Cape Town, South Africa. Ecological sampling and interviews conducted with 'rangers' (employed to manage the baboons' space use) revealed that baboons are at risk of being herded out of urban spaces that contain high-energy anthropogenic food sources...
November 8, 2017: Scientific Reports
Do Hung Son, Nguyen Thuy-Nhien, Lorenz von Seidlein, Truong Le Phuc-Nhi, Ngo Thi Phu, Nguyen Thi Kim Tuyen, Nguyen Huyen Tran, Nguyen Van Dung, Bui Van Quan, Nicholas P J Day, Arjen M Dondorp, Nicholas J White, Guy E Thwaites, Tran Tinh Hien
BACKGROUND: Prophylaxis for high-risk populations, such as forest workers, could be one component for malaria elimination in the Greater Mekong Sub-region. A study was conducted to assess the malaria incidence in forest rangers and the feasibility of malaria prophylaxis for rangers sleeping in forest camps. METHODS: Forest rangers deployed in the Bu Gia Map National Park, Vietnam were invited to participate in the study. Plasmodium infections were cleared using presumptive treatment, irrespective of malaria status, with a 3-day course dihydroartemisinin/piperaquine (DP) and a 14-day course of primaquine...
November 6, 2017: Malaria Journal
Deepak Singh-Ranger, Edmund Leung, Mei-Ling Lau-Robinson, Sean Ramcharan, James Francombe
OBJECTIVES: In 2011, the Royal College of Surgeons published Emergency Surgery: Standards for Unscheduled Care in response to variable clinical outcomes for emergency surgery. The purpose of this study was to examine whether different treatment modalities would alter survival. METHODS: All patients who underwent emergency laparotomy between April 2011 and December 2012 at Warwick Hospital (Warwick, UK) were included retrospectively. Information relating to their demographics; preoperative score; primary pathology; timing of surgery; intraoperative details; and postoperative outcome, including 30-day mortality, were collated for statistical analysis...
November 2017: Southern Medical Journal
Steven D Frank, Amanda L Anderson, Christopher M Ranger
Exotic ambrosia beetles, particularly Xylosandrus crassiusculus (Motschulsky) (Coleoptera: Curculionidae: Scolytinae) and Xylosandrus germanus (Blandford) (Coleoptera: Curculionidae: Scolytinae), are among the most damaging pests of ornamental trees in nurseries. Growers have had few tactics besides insecticide applications to reduce ambrosia beetle attacks but recent research has shown that attacks may be reduced by maintaining media moisture below a 50% threshold thereby reducing flood stress. We compared the efficacy of managing media moisture and insecticide applications for reducing ambrosia beetle attacks on three ornamental tree species in North Carolina...
October 23, 2017: Environmental Entomology
Bryan J Ranger, Aikaterini Mantzavinou
Under the auspices of the MIT D-Lab, a team of graduate students has instructed a course since 2008 that centers around teaching low-cost prosthetic design for resource-constrained environments. Recently, the course has evolved into a fully immersive design experience that pairs student teams with real-life international stakeholders and industry partners. Following this structure, projects initiated as part of the course have been tested at field sites around the world, stimulated further research, advanced student careers, raised additional grant money, and generated peer-reviewed publications and intellectual property...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Michael Lichtenberg, Peter von Bilderling, Jürgen Ranft, Kathrin Niemöller, Holger Grell, Lucas Briner, Françoise Saucy, Tienush Rassaf, Frank Breuckmann
BACKGROUND: To evaluate 12-month effectiveness of the endovascular treatment of femoropopliteal (FP) atherosclerotic lesions with the Ranger drug-coated balloon (DCB) in a real-world setting. METHODS: In this prospective, observational, multicenter trial ( Identifier: NCT02462005) 172 consecutive patients with 226 de novo, restenosed, or reoccluded native superficial femoral and/or popliteal artery lesions were treated with the Ranger paclitaxel- coated balloon angioplasty...
October 3, 2017: Journal of Cardiovascular Surgery
William E Klingeman, Alicia M Bray, Jason B Oliver, Christopher M Ranger, Debra E Palmquist
Knowledge about which bark and ambrosia beetle species are active and at what heights in black walnut canopies is not well understood. Neither is the role of these beetles in spreading Thousand Cankers Disease. To assist with future planned research, which will assess the extent to which these beetle species are associated with Geosmithia morbida Kolařík, Freeland, Utley, and Tisserat (Ascomycota: Hypocreales: Bionectriaceae), experiments were undertaken to monitor bark and ambrosia beetles in urban landscapes and parks in Tennessee between 2011 and 2013...
October 1, 2017: Environmental Entomology
Lisa Whitfield-Harris, Joan Such Lockhart, Richard Zoucha, Rumay Alexander
PURPOSE: This study explored the experiences of Black nurse faculty employed in predominantly White schools of nursing. High attrition rates of this group were noted in previous literature. Understanding their experiences is important to increase nurse diversity. DESIGN: Hermeneutic phenomenology was used to explore the experiences of 15 Black nurse faculty using interviews. FINDINGS: Four themes were extracted as the following: cultural norms of the workplace, coping with improper assets, life as a "Lone Ranger," and surviving the workplace environment...
March 1, 2017: Journal of Transcultural Nursing: Official Journal of the Transcultural Nursing Society
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