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https://www.readbyqxmd.com/read/29692047/-divergence-between-ring-and-diffuse-porous-wood-types-in-broadleaf-trees-of-changbai-mountains-results-in-substantial-differences-in-hydraulic-traits
#1
Xiao Han Yin, Guang You Hao
Hydraulic characteristics of trees are strongly influenced by their xylem structures. The divergence in wood type between ring-porous and diffuse-porous species is expected to lead to significantly different hydraulic architecture between these two functional groups. However, there is a lack of comprehensive comparative studies in hydraulic traits between the two groups, in that no study has compared the whole-shoot level hydraulic conductance and detailed pit-level xylem anatomy has not been reported yet. In the present study, detailed hydraulic related traits were stu-died in three ring-porous and four diffuse-porous tree species commonly found in the broadleaf tree species of the Changbai Mountains, including whole-shoot hydraulic conductance (Kshoot ), resis-tance to drought-induced embolism (P50 ), and detailed tissue- and pit-level anatomical characteristics...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29691978/impact-of-time-since-diagnosis-and-mortality-rate-on-cancer-associated-venous-thromboembolism-the-scandinavian-thrombosis-and-cancer-stac-cohort
#2
Kristine Blix, Olga V Gran, Marianne T Severinsen, Suzanne C Cannegieter, Hilde Jensvoll, Kim Overvad, Jens Hammerstrøm, Anne Tjønneland, Inger A Naess, Sigrid K Braekkan, Frits R Rosendaal, Søren R Kristensen, John-Bjarne Hansen
BACKGROUND: Venous thromboembolism (VTE) is a common complication in cancer, and studies suggest that aggressive cancers harvest the highest risk of VTE. However, competing risk by death may result in over-estimation of VTE risk in cancers with high mortality. Therefore, we estimated the risk of VTE by cancer sites, accounting for the differential mortality between cancers. METHODS: The Scandinavian Thrombosis and Cancer cohort included 144 952 participants followed from 1993-1997 to 2008-2012...
April 25, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29691964/transition-to-adult-diabetes-care-in-germany-high-risk-for-acute-complications-and-declining-metabolic-control-during-the-transition-phase
#3
T M Kapellen, S Müther, A Schwandt, J Grulich-Henn, B Schenk, K O Schwab, W Marg, R W Holl
OBJECTIVE: There is evidence that transition from pediatric to adult health care is frequently associated with deterioration of health in youths with type 1 diabetes (T1D). The aim of this study was to compare metabolic control, acute complications and microvascular complications in adolescents and young adults before and after transfer to an adult treatment center with respect to the time between first visit in the adult center and last visit in pediatric treatment. METHODS: All data were collected during routine care and retrieved from the German/Austrian DPV database...
April 25, 2018: Pediatric Diabetes
https://www.readbyqxmd.com/read/29691935/mitochondria-and-wolbachia-titers-are-positively-correlated-during-maternal-transmission
#4
Lucas P Henry, Irene L G Newton
Mothers provide their offspring with symbionts. Maternally transmitted, intracellular symbionts must disperse from mother to offspring with other cytoplasmic elements, like mitochondria. Here, we investigated how the intracellular symbiont Wolbachia interacts with mitochondria during maternal transmission. Mitochondria and Wolbachia may interact antagonistically and compete as each population tries to ensure its own evolutionary success. Alternatively, mitochondria and Wolbachia may cooperate as both benefit from ensuring the fitness of the mother...
April 25, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29691893/influence-of-aminergic-and-peptidergic-substances-on-heart-beat-frequency-in-the-stick-insect-carausius-morosus-insecta-phasmatodea
#5
Heather G Marco, Ottilie K H Katali, Gerd Gäde
The dorsal heart of the Indian stick insect, Carausius morosus, is responsible for the anterograde flow of hemolymph to the aorta and into the body cavity. The contraction frequency of the insect heart is known to be influenced by several substances of neural source. Here, a semi-exposed heart assay was employed to study the effect of an aminergic substance (octopamine) and three neuropeptides (C. morosus hypertrehalosemic hormone [Carmo-HrTH], crustacean cardioactive peptide [CCAP], and proctolin) on heart contraction...
April 25, 2018: Archives of Insect Biochemistry and Physiology
https://www.readbyqxmd.com/read/29691885/competence-and-frequency-of-provision-of-spiritual-care-by-nurses-in-the-netherlands
#6
Annemieke Vogel, Annemiek E Schep-Akkerman
BACKGROUND: Spiritual care to patients is important for their well-being, and nurses do have a crucial role in it. Previous research focused on self-assessed competence in providing spiritual care, but little is known about the actual provision. The aims of this study were as follows: (i) to evaluate how often nurses provide spiritual care, (ii) if or which association there is between self-assessed competency and provision of spiritual care, and (iii) to study which factors do have influence on delivering spiritual care...
April 25, 2018: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/29691863/population-based-study-of-mortality-and-major-amputation-following-lower-limb-revascularization
#7
K Heikkila, I M Loftus, D C Mitchell, A S Johal, S Waton, D A Cromwell
BACKGROUND: The aim of this study was to estimate separate risks of major lower limb amputation and death following revascularization for peripheral artery disease (PAD) using competing risks analysis. METHODS: Routinely collected data from Hospital Episode Statistics (HES) were used to identify patients who underwent endovascular or open lower limb revascularization for PAD in England from 2005 to 2015. The primary outcomes were major lower limb amputation and death within 5 years of revascularization...
April 25, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29691834/prescription-and-predictors-of-post-stroke-antidepressant-treatment-a-population-based-study
#8
J K Mortensen, S P Johnsen, G Andersen
OBJECTIVES: Post-stroke depression and pathological crying are common and potentially serious complications after stroke and should be diagnosed and treated accordingly. Diagnosis and treatment probably rely on clinical experience and may pose certain challenges. We aimed to examine prescription and predictors of antidepressant treatment after ischemic stroke in a clinical setting. MATERIALS AND METHODS: In this registry-based follow-up study, consecutive ischemic stroke patients were identified from the Danish Stroke Registry, holding information on antidepressant treatment during admission in Aarhus County from 2003 to 2010...
April 24, 2018: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29691699/subjective-awareness-of-ultrasound-expertise-development-individual-experience-as-a-determinant-of-overconfidence
#9
Jordan Richard Schoenherr, Jason Waechter, Scott J Millington
Medical decision-making requires years of experience in order to develop an adequate level of competence to successfully engage in safe practice. While diagnostic and technical skills are essential, an awareness of the extent and limits of our own knowledge and skills is critical. The present study examines clinicians' subjective awareness in a diagnostic cardiac ultrasound task. Clinicians answered diagnostic and treatment related questions for a range of pathologies. Following these questions, clinicians indicated their level of confidence in their response...
April 24, 2018: Advances in Health Sciences Education: Theory and Practice
https://www.readbyqxmd.com/read/29691617/mapping-functions-in-health-related-quality-of-life-mapping-from-the-achilles-tendon-rupture-score-to-the-eq-5d
#10
Ay-Yen Hua, Olof Westin, Eric Hamrin Senorski, Eleonor Svantesson, Alberto Grassi, Stefano Zaffagnini, Kristian Samuelsson, Mikael Svensson
PURPOSE: Health state utility values are derived from preference-based measurements and are useful in calculating quality-adjusted life years (QALYs), which is a metric commonly used in cost-effectiveness studies. The purpose of this study was to convert the Achilles Tendon Rupture Score (ATRS) to the preference-based European Quality of Life-5 Dimension Questionnaire (EQ-5D) by estimating the relationship between the two scores using mapping. METHODS: Data were collected from a randomised controlled trial, where 100 patients were treated either surgically or non-surgically for Achilles tendon rupture...
April 24, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29691296/tryptophan-metabolism-contributes-to-radiation-induced-immune-checkpoint-reactivation-in-glioblastoma
#11
Pravin Kesarwani, Antony Prabhu, Shiva Kant, Praveen Kumar, Stewart F Graham, Katie L Buelow, George D Wilson, Christopher Ryan Miller, Prakash Chinnaiyan
PURPOSE: Immune checkpoint inhibitors designed to revert tumor-induced immune suppression have emerged as potent anti-cancer therapies. Tryptophan metabolism represents an immune checkpoint and targeting this pathway's rate limiting enzyme IDO1 is actively being investigated clinically. Here, we studied the intermediary metabolism of tryptophan metabolism in glioblastoma and evaluated the activity of the IDO1 inhibitor GDC-0919, both alone and in combination with radiation (RT).  Experimental Design: LC/GC-MS and expression profiling was performed for metabolomic and genomic analyses of patient-derived glioma...
April 24, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29691242/-to-be-a-woman-is-to-make-a-plan-a-qualitative-study-exploring-mothers-experiences-of-the-child-support-grant-in-supporting-children-s-diets-and-nutrition-in-south-africa
#12
Wanga Zembe-Mkabile, Rebecca Surender, David Sanders, Rina Swart, Vundli Ramokolo, Gemma Wright, Tanya Doherty
Food security and good nutrition are key determinants of child well-being. There is strong evidence that cash transfers such as South Africa's Child Support Grant (CSG) have the potential to help address some of the underlying drivers of food insecurity and malnutrition by providing income to caregivers in poor households, but it is unclear how precisely they work to affect child well-being and nutrition. We present results from a qualitative study conducted to explore the role of the CSG in food security and child well-being in poor households in an urban and a rural setting in South Africa...
April 24, 2018: BMJ Open
https://www.readbyqxmd.com/read/29691235/correction-to-2017-acc-aha-hfsa-ishlt-acp-advanced-training-statement-on-advanced-heart-failure-and-transplant-cardiology-revision-of-the-accf-aha-acp-hfsa-ishlt-2010-clinical-competence-statement-on-management-of-patients-with-advanced-heart-failure-and-cardiac
#13
https://www.readbyqxmd.com/read/29691213/an-mhealth-app-for-decision-making-support-in-wound-dressing-selection-wounds-protocol-for-a-user-centered-feasibility-study
#14
Scott Jordan, Jane McSwiggan, Joanne Parker, Gayle A Halas, Marcia Friesen
BACKGROUND: Primary care health professionals, especially family physicians, see a variety of wounds, and yet-despite the frequency of providing wound care-many family physicians do not feel confident in wound care management. This is partly due to a lack of formal wound education in Family Medicine programs. While there are numerous electronic wound care resources available in the UK and North America, none were identified that address the specific need in supporting clinical decision-making in wound dressing selection...
April 24, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29691161/experiences-and-perspectives-of-dietary-management-among-patients-on-hemodialysis-an-interview-study
#15
Jessica Stevenson, Allison Tong, Talia Gutman, Katrina L Campbell, Jonathan C Craig, Mark A Brown, Vincent W Lee
OBJECTIVES: Diet and fluid management can reduce mortality, serious comorbidities, and debilitating symptoms in patients on hemodialysis, but restrictions may also be a major burden, and nonadherence remains high. We aimed to describe the perspectives and experiences of patients on hemodialysis regarding their dietary management to understand both facilitators and barriers to adherence and to identify strategies to improve care. DESIGN AND METHODS: Semi-structured interviews were conducted with 35 people on maintenance hemodialysis from six dialysis units in New South Wales, Australia...
April 21, 2018: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29691101/influenza-vaccination-in-the-elderly-is-a-trial-on-mortality-ethically-acceptable
#16
Ruud Andreas Fritz Verhees, Wybo Dondorp, Carel Thijs, Geert Jan Dinant, Johannes Andreas Knottnerus
The effectiveness of influenza vaccination in the elderly has long been a topic of debate, fueled by the absence of direct evidence from randomized trials on its effect on mortality and the methodological limitations of observational studies pointing this direction. It is argued that new placebo-controlled trials should be undertaken to resolve this uncertainty. However, such trials may be ethically questionable. To bring this discussion forward, we provide a comprehensive overview of the ethical challenges of an influenza vaccine efficacy trial designed to evaluate mortality in the elderly...
April 21, 2018: Vaccine
https://www.readbyqxmd.com/read/29690907/elimination-of-onchocerciasis-in-ecuador-findings-of-post-treatment-surveillance
#17
Ángel Guevara, Raquel Lovato, Roberto Proaño, Mario A Rodriguez-Perez, Thomas Unnasch, Philip J Cooper, Ronald H Guderian
BACKGROUND: The Esmeraldas focus of onchocerciasis in Ecuador expanded geographically during the 1980s and was associated with severe ocular and skin disease. Mass drug administration (MDA) with ivermectin started in 1991, initially once but later twice a year, in the principle endemic focus followed by all satellite foci. Treatment was stopped in 2009 when entomological assessments determined that transmission of Onchocerca volvulus had been interrupted. METHODS: Three years after the cessation of ivermectin treatment in 2012, as defined by the WHO guidelines for onchocerciasis elimination, blackfly collections were done in four sentinel sites in former hyperendemic areas...
April 24, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29690856/human-amniotic-membrane-with-aligned-electrospun-fiber-as-scaffold-for-aligned-tissue-regeneration
#18
Hanis Nazihah Hasmad, Mohd Reusmaazran Yusof, Zainul Rashid Mohd Razi, Ruszymah Binti Haji Idrus, Shiplu Roy Chowdhury
Fabrication of composite scaffolds is one of the strategies proposed to enhance the functionality of tissue engineered scaffolds for improved tissue regeneration. By combining multiple elements together, unique biomimetic scaffolds with desirable physical and mechanical properties can be tailored for tissue-specific applications. Despite having a highly porous structure, the utility of electrospun fibers (EF) as scaffold is usually hampered by their insufficient mechanical strength. In this study, we attempted to produce a mechanically competent scaffold with cell-guiding ability by fabricating aligned PLGA fibers on decellularized human amniotic membrane (HAM), known to possess favorable tensile and wound healing properties...
April 25, 2018: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/29690820/effects-of-concussions-on-visually-guided-motor-actions-a-literature-review
#19
Christopher Fueger, Wendy E Huddleston
Athletes must be able to successfully navigate the soccer pitch or hockey rink to win the game, requiring maximal cognitive resources to successfully compete. Concussions potentially deplete these resources, and the long-term impact of concussions on an individual's goal-directed visually guided behavior continues to elude the scientific community. While the acute effects on cognition and the motor system have been elucidated elsewhere, long-term effects on performance have been less clear. Additionally, most investigations into long-term postinjury motor behaviors have focused on balance and gait, with little focus on functional upper extremity movements...
April 24, 2018: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/29690631/pediatric-integrative-medicine-in-residency-program-relationship-between-lifestyle-behaviors-and-burnout-and-wellbeing-measures-in-first-year-residents
#20
Hilary McClafferty, Audrey J Brooks, Mei-Kuang Chen, Michelle Brenner, Melanie Brown, Anna Esparham, Dana Gerstbacher, Brenda Golianu, John Mark, Joy Weydert, Ann Ming Yeh, Victoria Maizes
It is widely recognized that burnout is prevalent in medical culture and begins early in training. Studies show pediatricians and pediatric trainees experience burnout rates comparable to other specialties. Newly developed Accreditation Council for Graduate Medical Education (ACGME) core competencies in professionalism and personal development recognize the unacceptably high resident burnout rates and present an important opportunity for programs to improve residents experience throughout training. These competencies encourage healthy lifestyle practices and cultivation of self-awareness, self-regulation, empathy, mindfulness, and compassion—a paradigm shift from traditional medical training underpinned by a culture of unrealistic endurance and self-sacrifice...
April 23, 2018: Children
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