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https://www.readbyqxmd.com/read/29118373/establishing-zebrafish-as-a-model-to-study-the-anxiolytic-effects-of-scopolamine
#1
Trevor J Hamilton, Adam Morrill, Kayla Lucas, Joshua Gallup, Megan Harris, Meghan Healey, Taylor Pitman, Melike Schalomon, Shannon Digweed, Martin Tresguerres
Scopolamine (hyoscine) is a muscarinic acetylcholine receptor antagonist that has traditionally been used to treat motion sickness in humans. However, studies investigating depressed and bipolar populations have found that scopolamine is also effective at reducing depression and anxiety symptoms. The potential anxiety-reducing (anxiolytic) effects of scopolamine could have great clinical implications for humans; however, rats and mice administered scopolamine showed increased anxiety in standard behavioural tests...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29107155/the-bbi-at-the-bbi-a-culture-change
#2
Ian Galea, V Hugh Perry
The blood-brain interface (BBI) is the subject of a new named series at Brain, Behavior, and Immunity. It is timely to reflect on a number of advances in the field within the last ten years, which may lead to an increased understanding of human behavior and a wide range of psychiatric and neurological conditions. We cover discoveries made in solute and cell trafficking, endothelial cell and pericyte biology, extracellular matrix and emerging tools, especially those which will enable study of the human BBI. We now recognize the central role of the BBI in a number of immunopsychiatric syndromes, including sickness behaviour, delirium, septic encephalopathy, cognitive side effects of cytokine-based therapies and the frank psychosis observed in neuronal surface antibody syndromes...
October 26, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29104309/quantification-of-within-and-between-farm-dispersal-of-culicoides-biting-midges-using-an-immunomarking-technique
#3
Christopher J Sanders, Lara E Harrup, Laura A Tugwell, Victor A Brugman, Marion England, Simon Carpenter
Culicoides biting midges (Diptera, Ceratopogonidae) are vectors of arboviruses that cause significant economic and welfare impact. Local-scale spread of Culicoides-borne arboviruses is largely determined by the between-farm movement of infected Culicoides.Study of the dispersal behaviour of Culicoides by capture-mark-recapture (CMR) is problematic due to the likelihood of mortality and changes in behaviour upon capture caused by the small size and fragility of these insects, evidenced by low recapture rates...
October 2017: Journal of Applied Ecology
https://www.readbyqxmd.com/read/29094426/antecedents-and-associations-of-sickness-presenteeism-and-sickness-absenteeism-in-nurses-a-systematic-review
#4
Hana Brborović, Qëndresë Daka, Kushtrim Dakaj, Ognjen Brborović
AIMS: This study comprehensively analysed and systemized the elements associated with nursing sickness presenteeism (SP) and sickness absenteeism (SA). BACKGROUND: Both behaviours represent a real challenge to nursing departments because they can increase costs, cause health care adverse events, and impact the quality of health care. DESIGN: The systematic review of cohort studies was designed to be consistent with the PRISMA guidelines. DATA SOURCES: PubMed, ProQuest, and Emerald were systematically searched for peer-reviewed articles published from the 1950s to December 2016...
November 1, 2017: International Journal of Nursing Practice
https://www.readbyqxmd.com/read/29051628/deadly-acute-decompression-sickness-in-risso-s-dolphins
#5
A Fernández, E Sierra, J Díaz-Delgado, S Sacchini, Y Sánchez-Paz, C Suárez-Santana, M Arregui, M Arbelo, Y Bernaldo de Quirós
Diving air-breathing vertebrates have long been considered protected against decompression sickness (DCS) through anatomical, physiological, and behavioural adaptations. However, an acute systemic gas and fat embolic syndrome similar to DCS in human divers was described in beaked whales that stranded in temporal and spatial association with military exercises involving high-powered sonar. More recently, DCS has been diagnosed in bycaught sea turtles. Both cases were linked to human activities. Two Risso's dolphin (Grampus griseus) out of 493 necropsied cetaceans stranded in the Canary Islands in a 16-year period (2000-2015), had a severe acute decompression sickness supported by pathological findings and gas analysis...
October 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29051086/depression-subtyping-based-on-evolutionary-psychiatry-proximate-mechanisms-and-ultimate-functions
#6
REVIEW
Markus J Rantala, Severi Luoto, Indrikis Krams, Hasse Karlsson
Major depressive disorder constitutes one of the leading causes of disability worldwide. However, it is not a unitary disease-it is a heterogeneous syndrome, with patients differing remarkably in symptom profile, pathophysiology and treatment responsiveness. Previous attempts to subtype major depressive disorder have showed limited clinical applicability. We present a classification of major depressive disorder episodes based on the proximate mechanisms that led to the original mood change that caused the depressive episode...
October 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29031935/workplace-mental-health-training-for-managers-and-its-effect-on-sick-leave-in-employees-a-cluster-randomised-controlled-trial
#7
Josie S Milligan-Saville, Leona Tan, Aimée Gayed, Caryl Barnes, Ira Madan, Mark Dobson, Richard A Bryant, Helen Christensen, Arnstein Mykletun, Samuel B Harvey
BACKGROUND: Mental illness is one of the most rapidly increasing causes of long-term sickness absence, despite improved rates of detection and development of more effective interventions. However, mental health training for managers might help improve occupational outcomes for people with mental health problems. We aimed to investigate the effect of mental health training on managers' knowledge, attitudes, confidence, and behaviour towards employees with mental health problems, and its effect on employee sickness absence...
October 11, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/29016957/case-specific-colleague-guidance-for-general-practitioners-management-of-sickness-absence
#8
H P Nordhagen, S B Harvey, E O Rosvold, D Bruusgaard, R Blonk, A Mykletun
Background: General practitioners (GPs) report sickness absence certification as challenging. They express need for support with functional assessment beyond guidelines and reforms. Case-specific collegial one-to-one guidance for other clinical topics has proved popular with GPs and may be an acceptable and effective way to improve GPs skills and competence in sickness absence certification. Aims: To present a new model of case-specific colleague guidance focusing on the management of long-term sickness absence and to describe its feasibility in terms of application and reception among GPs, and also GPs' self-reports of effects on their practice...
August 24, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28994103/migratory-animals-feel-the-cost-of-getting-sick-a-meta-analysis-across-species
#9
Alice Risely, Marcel Klaassen, Bethany Hoye
1.Migratory animals are widely assumed to play an important role in the long-distance dispersal of parasites, and are frequently implicated in the global spread of zoonotic pathogens such as avian influenzas in birds and ebolaviruses in bats. However, infection imposes physiological and behavioural constraints on hosts that may act to curtail parasite dispersal via changes to migratory timing ('migratory separation') and survival ('migratory culling'). 2.There remains little consensus regarding the frequency and extent to which migratory separation and migratory culling may operate, despite a growing recognition of the importance of these mechanisms in regulating transmission dynamics in migratory animals...
October 10, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28951431/effects-of-internet-based-cognitive-behavioural-therapy-and-physical-exercise-on-sick-leave-and-employment-in-primary-care-patients-with-depression-two-subgroup-analyses
#10
Viktor Kaldo, Andreas Lundin, Mats Hallgren, Martin Kraepelien, Catharina Strid, Örjan Ekblom, Catharina Lavebratt, Nils Lindefors, Agneta Öjehagen, Yvonne Forsell
OBJECTIVES: Depression can negatively impact work capacity, but treatment effects on sick leave and employment are unclear. This study evaluates if internet-based cognitive behavioural therapy (ICBT) or physical exercise (PE), with already reported positive effects on clinical outcome and short-term work ability, has better effects on employment, sick leave and long-term work ability compared with treatment as usual (TAU) for depressed primary care patients (German clinical trials: DRKS00008745)...
September 26, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28950826/long-term-effects-of-early-exposure-to-stress-pain-opioids-and-anaesthetics-on-pain-sensitivity-and-neurocognition
#11
Gerbrich E van den Bosch, Monique van Dijk, Dick Tibboel, Jurgen C de Graaff
Background Experimental studies have shown that neonatal exposure to stress, pain, opioids and anaesthetics may cause histologic and morphologic changes in the central nervous system with associated functional and behavioural changes in the long term. An important question is whether this holds true for humans also - and in particular for sick neonates who often are exposed to pain and receive anaesthetics and sedatives. Methods In this narrative review, we evaluate the effects of neonatal exposure to stress, pain, opioids and anaesthetics in infancy and childhood in animals and in preterm born and term born humans on pain sensitivity, brain morphology, cognition and behaviour later in life...
September 26, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28931145/medical-and-psychological-problems-faced-by-young-australian-gap-year-travellers
#12
Luis Furuya-Kanamori, Deborah Mills, Sarah Sheridan, Colleen Lau
Background: Gap year travellers can potentially be exposed to many infectious diseases and other travel-related health problems including injuries and psychological problems. Currently, there is little information on health and wellbeing of this particular group of travellers. Methods: Participants were recruited from an organization that specialized in organising international gap year placements. Gap year travellers were asked to complete a pre-departure survey on demographics, placement destination and duration, previous travel experience, hobbies, risk taking behaviour, anticipated problems during the placement, and pre-travel preparations...
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28915273/longitudinal-co-variations-between-inflammatory-cytokines-lung-function-and-patient-reported-outcomes-in-patients-with-asthma
#13
Karin Lodin, Mats Lekander, Jörgen Syk, Kjell Alving, Predrag Petrovic, Anna Andreasson
BACKGROUND: Asthma is a chronic inflammatory respiratory disorder associated with reduced lung function and poor quality of life. The condition is also associated with poor self-rated health, a major predictor of objective health trajectories. Of biological correlates to self-rated health, evidence suggests a role for inflammatory cytokines and related sickness behaviours. However, this is mainly based on cross-sectional data, and the relation has not been investigated in patients with chronic inflammatory conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28901005/delivery-arrangements-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#14
REVIEW
Agustín Ciapponi, Simon Lewin, Cristian A Herrera, Newton Opiyo, Tomas Pantoja, Elizabeth Paulsen, Gabriel Rada, Charles S Wiysonge, Gabriel Bastías, Lilian Dudley, Signe Flottorp, Marie-Pierre Gagnon, Sebastian Garcia Marti, Claire Glenton, Charles I Okwundu, Blanca Peñaloza, Fatima Suleman, Andrew D Oxman
BACKGROUND: Delivery arrangements include changes in who receives care and when, who provides care, the working conditions of those who provide care, coordination of care amongst different providers, where care is provided, the use of information and communication technology to deliver care, and quality and safety systems. How services are delivered can have impacts on the effectiveness, efficiency and equity of health systems. This broad overview of the findings of systematic reviews can help policymakers and other stakeholders identify strategies for addressing problems and improve the delivery of services...
September 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28895125/governance-arrangements-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#15
REVIEW
Cristian A Herrera, Simon Lewin, Elizabeth Paulsen, Agustín Ciapponi, Newton Opiyo, Tomas Pantoja, Gabriel Rada, Charles S Wiysonge, Gabriel Bastías, Sebastian Garcia Marti, Charles I Okwundu, Blanca Peñaloza, Andrew D Oxman
BACKGROUND: Governance arrangements include changes in rules or processes that determine authority and accountability for health policies, organisations, commercial products and health professionals, as well as the involvement of stakeholders in decision-making. Changes in governance arrangements can affect health and related goals in numerous ways, generally through changes in authority, accountability, openness, participation and coherence. A broad overview of the findings of systematic reviews can help policymakers, their technical support staff and other stakeholders to identify strategies for addressing problems and improving the governance of their health systems...
September 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28893563/the-impact-of-murine-lrrk2-g2019s-transgene-overexpression-on-acute-responses-to-inflammatory-challenge
#16
Darcy Litteljohn, Chris Rudyk, Zach Dwyer, Kyle Farmer, Teresa Fortin, Shawn Hayley
The most common Parkinson's disease (PD) mutation is the gain-of-function LRRK2 G2019S variant, which has also been linked to inflammatory disease states. Yet, little is known of the role of G2019S in PD related complex behavioral or immune/hormonal processes in response to inflammatory/toxicant challenges. Hence, we characterized the behavioural, neuroendocrine-immune and central monoaminergic responses in G2019S overexpressing mutants following systemic interferon-gamma (IFN-γ) or lipopolysaccharide (LPS) administration...
September 8, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28891235/financial-arrangements-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#17
REVIEW
Charles S Wiysonge, Elizabeth Paulsen, Simon Lewin, Agustín Ciapponi, Cristian A Herrera, Newton Opiyo, Tomas Pantoja, Gabriel Rada, Andrew D Oxman
BACKGROUND: One target of the Sustainable Development Goals is to achieve "universal health coverage, including financial risk protection, access to quality essential health-care services and access to safe, effective, quality and affordable essential medicines and vaccines for all". A fundamental concern of governments in striving for this goal is how to finance such a health system. This concern is very relevant for low-income countries. OBJECTIVES: To provide an overview of the evidence from up-to-date systematic reviews about the effects of financial arrangements for health systems in low-income countries...
September 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28851955/circulating-endothelial-cell-derived-extracellular-vesicles-mediate-the-acute-phase-response-and-sickness-behaviour-associated-with-cns-inflammation
#18
Yvonne Couch, Naveed Akbar, Jay Roodselaar, Matthew C Evans, Chris Gardiner, Ian Sargent, Ignacio A Romero, Adrian Bristow, Alastair M Buchan, Norman Haughey, Daniel C Anthony
Brain injury elicits a systemic acute-phase response (APR), which is responsible for co-ordinating the peripheral immunological response to injury. To date, the mechanisms responsible for signalling the presence of injury or disease to selectively activate responses in distant organs were unclear. Circulating endogenous extracellular vesicles (EVs) are increased after brain injury and have the potential to carry targeted injury signals around the body. Here, we examined the potential of EVs, isolated from rats after focal inflammatory brain lesions using IL-1β, to activate a systemic APR in recipient naïve rats, as well as the behavioural consequences of EV transfer...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28780924/the-influence-of-previous-medical-treatments-on-milking-order-in-dairy-cows
#19
A Littooij, A Butterworth
Animal health issues are a problem on many dairy farms, and much is already known about clinical treatments and the behaviour of sick animals. Animal health issues can influence behaviour seen around the milking parlour, but less is known about the relationship between the number of previous medical treatments and the queuing to be milked, the 'milking order'. Information was collected on five afternoon milking sessions, the individual cows' age and the medical treatment history of each cow in a group of 100 cows...
August 7, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28766065/body-temperatures-of-hibernating-little-brown-bats-reveal-pronounced-behavioural-activity-during-deep-torpor-and-suggest-a-fever-response-during-white-nose-syndrome
#20
Heather W Mayberry, Liam P McGuire, Craig K R Willis
Hibernating animals use torpor [reduced body temperature (T b) and metabolic rate] to reduce energy expenditure during winter. Periodic arousals to normal T b are energetically expensive, so hibernators trade off arousal benefits against energetic costs. This is especially important for bats with white-nose syndrome (WNS), a fungal disease causing increased arousal frequency. Little brown bats (Myotis lucifugus) with WNS show upregulation of endogenous pyrogens and sickness behaviour. Therefore, we hypothesized that WNS should cause a fever response characterized by elevated T b...
August 1, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
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