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https://www.readbyqxmd.com/read/28231623/compassion-fatigue-in-nurses-a-metasynthesis
#1
Anna G W Nolte, Charlene Downing, Annie Temane, Marie Hastings-Tolsma
AIM: The purpose of this research was to interpret the body of qualitative work focusing on compassion fatigue to distill a common understanding that could then be applied to nursing care. BACKGROUND: Complex demands place extraordinary stress on nurses struggling to work in overburdened healthcare systems. The result can be the inability to care well for others, leading to compassion fatigue, burnout, and increased numbers leaving the profession. Meta-synthesis offers a means of more fully illuminating compassion fatigue and further understanding of practices which might reduce its negative consequences...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231550/short-term-particulate-matter-exposure-induces-extracellular-vesicle-release-in-overweight-subjects
#2
Matteo Bonzini, Laura Pergoli, Laura Cantone, Mirjam Hoxha, Andrea Spinazzè, Luca Del Buono, Chiara Favero, Michele Carugno, Laura Angelici, Lucia Broggi, Andrea Cattaneo, Angela C Pesatori, Valentina Bollati
BACKGROUND: Extracellular vesicles (EVs) represent a plausible molecular mechanism linking particulate matter (PM) inhalation to its systemic effects. Microvesicles (MVs) are released from many cell types in response to various stimuli. Increased body mass index (BMI) could modify the response to PM exposure due to enhanced PM uptake and/or an underlying pro-oxidative state. We investigated the relationship between EV release and PM10/PM2.5 exposure in a cohort of 51 volunteers. Subjects were stratified based on their BMI to evaluate whether overweight BMI is a determinant of hypersusceptibility to PM effects...
February 20, 2017: Environmental Research
https://www.readbyqxmd.com/read/28231261/a-natural-user-interface-to-integrate-citizen-science-and-physical-exercise
#3
Eduardo Palermo, Jeffrey Laut, Oded Nov, Paolo Cappa, Maurizio Porfiri
Citizen science enables volunteers to contribute to scientific projects, where massive data collection and analysis are often required. Volunteers participate in citizen science activities online from their homes or in the field and are motivated by both intrinsic and extrinsic factors. Here, we investigated the possibility of integrating citizen science tasks within physical exercises envisaged as part of a potential rehabilitation therapy session. The citizen science activity entailed environmental mapping of a polluted body of water using a miniature instrumented boat, which was remotely controlled by the participants through their physical gesture tracked by a low-cost markerless motion capture system...
2017: PloS One
https://www.readbyqxmd.com/read/28230845/dynamic-models-of-large-scale-brain-activity
#4
REVIEW
Michael Breakspear
Movement, cognition and perception arise from the collective activity of neurons within cortical circuits and across large-scale systems of the brain. While the causes of single neuron spikes have been understood for decades, the processes that support collective neural behavior in large-scale cortical systems are less clear and have been at times the subject of contention. Modeling large-scale brain activity with nonlinear dynamical systems theory allows the integration of experimental data from multiple modalities into a common framework that facilitates prediction, testing and possible refutation...
February 23, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28230717/imaging-performance-of-a-handheld-ultrasound-system-with-real-time-computer-aided-detection-of-lumbar-spine-anatomy-a-feasibility-study
#5
Mohamed Tiouririne, Adam J Dixon, F William Mauldin, David Scalzo, Arun Krishnaraj
OBJECTIVES: The aim of this study was to evaluate the imaging performance of a handheld ultrasound system and the accuracy of an automated lumbar spine computer-aided detection (CAD) algorithm in the spines of human subjects. MATERIALS AND METHODS: This study was approved by the institutional review board of the University of Virginia. The authors designed a handheld ultrasound system with enhanced bone image quality and fully automated CAD of lumbar spine anatomy...
February 22, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28230197/dynamic-whole-body-vibration-training-a-unique-upstream-treatment-from-the-muscle-to-the-arterial-system-and-central-hemodynamics
#6
Masanori Munakata
No abstract text is available yet for this article.
February 23, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28230164/dynamical-majorana-edge-modes-in-a-broad-class-of-topological-mechanical-systems
#7
Emil Prodan, Kyle Dobiszewski, Alokik Kanwal, John Palmieri, Camelia Prodan
Mechanical systems can display topological characteristics similar to that of topological insulators. Here we report a large class of topological mechanical systems related to the BDI symmetry class. These are self-assembled chains of rigid bodies with an inversion centre and no reflection planes. The particle-hole symmetry characteristic to the BDI symmetry class stems from the distinct behaviour of the translational and rotational degrees of freedom under inversion. This and other generic properties led us to the remarkable conclusion that, by adjusting the gyration radius of the bodies, one can always simultaneously open a gap in the phonon spectrum, lock-in all the characteristic symmetries and generate a non-trivial topological invariant...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28229980/acupuncture-improves-intestinal-absorption-of-iron-in-iron-deficient-obese-patients-a-randomized-controlled-preliminary-trial
#8
Xin-Cai Xie, Yan-Qiang Cao, Qian Gao, Chen Wang, Man Li, Shou-Gang Wei
BACKGROUND: Obesity has an adverse effect on iron status. Hepcidin-mediated inhibition of iron absorption in the duodenum is a potential mechanism. Iron-deficient obese patients have diminished response to oral iron therapy. This study was designed to assess whether acupuncture could promote the efficacy of oral iron supplementation for the treatment of obesity-related iron deficiency (ID). METHODS: Sixty ID or ID anemia (IDA) patients with obesity were screened at Beijing Hospital of Traditional Chinese Medicine and were randomly allocated to receive either oral iron replacement allied with acupuncture weight loss treatment (acupuncture group, n = 30) or oral iron combined with sham-acupuncture treatment (control group, n = 30)...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28229938/participation-of-ghrelin-signalling-in-the-reciprocal-regulation-of-hypothalamic-npy-pomc-mediated-appetite-control-in-amphetamine-treated-rats
#9
Ching-Han Yu, Shu-Chen Chu, Pei-Ni Chen, Yih-Shou Hsieh, Dong-Yih Kuo
Hypothalamic neuropeptide Y (NPY) and proopiomelanocortin (POMC) have been documented to participate in amphetamine (AMPH)-induced appetite suppression. This study investigated whether ghrelin signalling is associated with changes in NPY/POMC-mediated appetite control. Rats were given AMPH daily for four days, and changes in food intake, body weight, plasma ghrelin, hypothalamic NPY, melanocortin 3 receptor (MC3R), ghrelin O-acyltransferase (GOAT), acyl ghrelin (AG) and ghrelin receptor (GHSR1a) were examined and compared...
February 13, 2017: Appetite
https://www.readbyqxmd.com/read/28229538/biological-control-of-appetite-a-daunting-complexity
#10
Paul S MacLean, John E Blundell, Julie A Mennella, Rachel L Batterham
OBJECTIVE: This review summarizes a portion of the discussions of an NIH Workshop (Bethesda, MD, 2015) titled "Self-Regulation of Appetite-It's Complicated," which focused on the biological aspects of appetite regulation. METHODS: This review summarizes the key biological inputs of appetite regulation and their implications for body weight regulation. RESULTS: These discussions offer an update of the long-held, rigid perspective of an "adipocentric" biological control, taking a broader view that also includes important inputs from the digestive tract, from lean mass, and from the chemical sensory systems underlying taste and smell...
March 2017: Obesity
https://www.readbyqxmd.com/read/28229441/-robotic-systems-for-gait-re-education-in-cases-of-spinal-cord-injury-a-systematic-review
#11
T Gandara-Sambade, M Fernandez-Pereira, A Rodriguez-Sotillo
INTRODUCTION: The evidence underlying robotic body weight supported treadmill training in patients with spinal cord injury remains poorly characterized. AIM: To perform a qualitative systematic review on the efficacy of this therapy. PATIENTS AND METHODS: A search on PubMed, CINAHL, Cochrane Library and PEDro was performed from January 2005 to April 2016. The references in these articles were also reviewed to find papers not identified with the initial search strategy...
March 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28229399/neurological-complications-of-the-leukemias-across-the-ages
#12
REVIEW
Stephanie Berg, Sucha Nand
PURPOSE OF REVIEW: Acute and chronic leukemias are heterogeneous diseases and can affect any part of the body upon initial discovery. Understanding the sequela of systemic involvement is key for proper diagnosis and treatment. RECENT FINDINGS: Over the decades, new research has emerged regarding neurological complications of the myeloid or lymphoid leukemias. Central nervous system involvement usually confers a poor prognosis and requires emergent treatment. Standard of care still involves systemic therapy, intrathecal administration of chemotherapeutic agents, and cranial radiation...
February 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28228661/feasibility-of-an-exercise-intervention-for-fatigued-breast-cancer-patients-at-a-community-based-cardiac-rehabilitation-program
#13
Stefanie De Jesus, Lyndsay Fitzgeorge, Karen Unsworth, David Massel, Neville Suskin, Harry Prapavessis, Michael Sanatani
PURPOSE: Exercise is beneficial to quality of life after cancer treatment, yet few cancer survivors meet exercise guidelines. Our study sought to determine the feasibility of an oncology rehabilitation exercise program embedded within a cardiac rehabilitation program. METHODS: Patients who rated their fatigue >4/10 after completion of adjuvant chemotherapy for breast cancer were screened for eligibility and the outcomes were assessed (Piper Fatigue Scale, Functional Assessment of Cancer Therapy-Breast [FACT-B], Edmonton Symptom Assessment System, body composition, stress test, and physical activity measurement [accelerometer])...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28228583/food-responsiveness-regulates-episodic-behavioral-states-in-caenorhabditis-elegans
#14
Richard J McCloskey, Anthony D Fouad, Matthew A Churgin, Christopher Fang-Yen
Animals optimize survival and reproduction in part through control of behavioral states, which depend on the organism's internal and external environments. In the nematode C. elegans, a variety of behavioral states have been described, including roaming, dwelling, quiescence, and episodic swimming. These states have been considered in isolation, under varied experimental conditions, making it difficult to establish a unified picture of how they are regulated. Using long-term imaging, we examined C. elegans episodic behavioral states under varied mechanical and nutritional environments...
February 22, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28228417/oxygen-sensitive-regulation-and-neuroprotective-effects-of-growth-hormone-dependent-growth-factors-during-early-postnatal-development
#15
Susan Jung, Gudrun Boie, Helmuth-Guenther Doerr, Regina Trollmann
Perinatal hypoxia severely disrupts metabolic and somatotrophic development, as well as cerebral maturational programs. Hypoxia-inducible transcription factors (HIF) represent the most important endogenous adaptive mechanisms to hypoxia, activating a broad spectrum of growth factors that contribute to cell survival and energy homeostasis. To analyse effects of systemic hypoxia and growth hormone (GH) therapy (rhGH) on HIF-dependent growth factors during early postnatal development, we compared protein (ELISA) and mRNA levels (quantitative RT PCR) of growth factors in plasma and brain between normoxic and hypoxic mice (8% O2, 6 h; postnatal day 7, P7) at P14...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28228414/moderate-and-sustained-exercise-modulates-muscle-proteolytic-and-myogenic-markers-in-gilthead-sea-bream-sparus-aurata
#16
Emilio J Vélez, Sheida Azizi, Esmail Lutfi, Encarnación Capilla, Alberto Moya, Isabel Navarro, Jaume Fernández-Borràs, Josefina Blasco, Joaquim Gutiérrez
Swimming activity primarily accelerates growth in fish by increasing protein synthesis and energy efficiency. The role of muscle in this process is remarkable and especially important in teleosts, where muscle represents a high percentage of body weight, and by the continuous growth that many fish species present. The aim of this work was to characterize the effects of five weeks of moderate and sustained swimming in gene and protein expression of myogenic regulatory factors, proliferation markers and proteolytic molecules in two muscle regions (anterior and caudal) of gilthead sea bream fingerlings...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28228143/relationship-between-salivary-pancreatic-amylase-and-body-mass-index-a-systems-biology-approach
#17
Amélie Bonnefond, Loïc Yengo, Aurélie Dechaume, Mickaël Canouil, Maxime Castelain, Estelle Roger, Frédéric Allegaert, Robert Caiazzo, Violeta Raverdy, Marie Pigeyre, Abdelilah Arredouani, Jean-Michel Borys, Claire Lévy-Marchal, Jacques Weill, Ronan Roussel, Beverley Balkau, Michel Marre, François Pattou, Thierry Brousseau, Philippe Froguel
BACKGROUND: Salivary (AMY1) and pancreatic (AMY2) amylases hydrolyze starch. Copy number of AMY1A (encoding AMY1) was reported to be higher in populations with a high-starch diet and reduced in obese people. These results based on quantitative PCR have been challenged recently. We aimed to re-assess the relationship between amylase and adiposity using a systems biology approach. METHODS: We assessed the association between plasma enzymatic activity of AMY1 or AMY2, and several metabolic traits in almost 4000 French individuals from D...
February 23, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28228096/labour-pain-experiences-and-perceptions-a-qualitative-study-among-post-partum-women-in-ghana
#18
Lydia Aziato, Angela Kwartemaa Acheampong, Kitimdow Lazarus Umoar
BACKGROUND: Women have experienced severe labour pain over the years and various attempts have been made to effectively manage labour pain. However, there is paucity of literature on the labour pain experience and perceptions about labour pain with the contemporary Ghanaian health system. Therefore this study sought to gain an in-depth understanding on labour pain experiences and perceptions of post-partum women. METHODS: The study adopted an exploratory descriptive qualitative approach and collected data through individual interviews...
February 22, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28228079/lipid-based-nanoparticles-as-carriers-for-dermal-delivery-of-antioxidants
#19
Lucia Montenegro
The skin, being the outermost layer of our body, is constantly exposed to oxidative stress induced by UV-radiation, pollutants, smoke and xenobiotics. To counteract the deleterious effects of such exposure, the skin is equipped with a complex anti-oxidation system, involving both exogenous and endogenous antioxidants. As low molecular weight antioxidants undergo depletion in counteracting oxidative stress occurring in the skin, topical supplementation with these agents is regarded as a suitable strategy to restore skin oxidative balance...
February 22, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28227966/real-time-evaluation-of-a-myoelectric-control-method-for-high-level-upper-limb-amputees-based-on-homologous-leg-movements
#20
Kenneth R Lyons, Sanjay S Joshi, Kenneth R Lyons, Sanjay S Joshi, Sanjay S Joshi, Kenneth R Lyons
Electromyography-based gesture classification methods for control of advanced upper limb prostheses are limited either to individuals with amputations distal to the elbow or to those willing to undergo targeted muscle reinnervation surgery. Based on the natural similarity between gestures of the lower leg and the arm and on established methods in electromyography-based gesture classification, we propose a noninvasive system with which users control an upper limb prosthesis via homologous movements of the leg and foot...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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