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https://www.readbyqxmd.com/read/28339908/obesity-associated-cardiac-pathogenesis-in-broiler-breeder-hens-pathological-adaption-of-cardiac-hypertrophy1-2
#1
C Y Chen, H Y Lin, Y W Chen, Y J Ko, Y J Liu, Y H Chen, R L Walzem, S E Chen
Broiler hens consuming feed to appetite (ad libitum; AL) show increased mortality. Feed restriction (R) typically improves reproductive performance and livability of hens. Rapidly growing broilers can exhibit increased mortality due to cardiac insufficiency but it is unknown whether the increased mortality of non-R broiler hens is also due to cardiac compromise. To assess cardiac growth and physiology in fully mature birds, 45-week-old hens were either continued on R rations or assigned to AL feeding for 7 or 21 days...
March 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339485/chronic-parp-1-inhibition-reduces-carotid-vessel-remodeling-and-oxidative-damage-of-the-dorsal-hippocampus-in-spontaneously-hypertensive-rats
#2
Krisztian Eros, Klara Magyar, Laszlo Deres, Arpad Skazel, Adam Riba, Zoltan Vamos, Tamas Kalai, Ferenc Gallyas, Balazs Sumegi, Kalman Toth, Robert Halmosi
Vascular remodeling during chronic hypertension may impair the supply of tissues with oxygen, glucose and other compounds, potentially unleashing deleterious effects. In this study, we used Spontaneously Hypertensive Rats and normotensive Wistar-Kyoto rats with or without pharmacological inhibition of poly(ADP-ribose)polymerase-1 by an experimental compound L-2286, to evaluate carotid artery remodeling and consequent damage of neuronal tissue during hypertension. We observed elevated oxidative stress and profound thickening of the vascular wall with fibrotic tissue accumulation induced by elevated blood pressure...
2017: PloS One
https://www.readbyqxmd.com/read/28338488/respiratory-complications-management-and-treatments-for-neuromuscular-disease-in-children
#3
MyMy C Buu
PURPOSE OF REVIEW: To summarize current literature describing the respiratory complications of neuromuscular disease (NMD) and the effect of respiratory interventions and to explore new gene therapies for patients with NMD. RECENT FINDINGS: Measurements of respiratory function focus on vital capacity and maximal inspiratory and expiratory pressure and show decline over time. Management of respiratory complications includes lung volume recruitment, mechanical insufflation-exsufflation, chest physiotherapy and assisted ventilation...
March 23, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28338405/physiological-responses-to-treadmill-running-with-body-weight-support-in-hypoxia-compared-to-normoxia
#4
Ben J Lee, Charles Douglas Thake
CONTEXT: Anecdotal reports suggest elite sports clubs combine lower body positive pressure (LBPP) rehabilitation with a hypoxic stimulus in order to maintain or increase physiological and metabolic strain, which are reduced during LBPP. However the effects of hypoxia on cardiovascular and metabolic response during LBPP rehabilitation is unknown. OBJECTIVE: Evaluate the use of normobaric hypoxia as a means to increase physiological strain during body weight supported (BWS) running...
March 24, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28338349/clinical-features-of-children-and-adults-with-a-muscular-dystrophy-using-powered-indoor-outdoor-wheelchairs-disease-features-comorbidities-and-complications-of-disability
#5
Andrew Oliver Frank, Lorraine H De Souza
PURPOSE: To describe the clinical features of electric powered indoor/outdoor wheelchair users with a muscular dystrophy, likely to influence optimal prescription; reflecting features of muscular dystrophies, conditions secondary to disability, and comorbidities impacting on equipment provision. METHODS: Cross-sectional retrospective case note review of recipients of electric powered indoor/outdoor wheelchairs provided by a specialist regional wheelchair service...
February 25, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28336742/current-and-potential-providers-of-blood-pressure-self-screening-a-mixed-methods-study-in-oxfordshire
#6
A C Tompson, S G Fleming, C J Heneghan, R J McManus, S M Greenfield, F D R Hobbs, A M Ward
OBJECTIVES: To (1) establish the extent of opportunities for members of the public to check their own blood pressure (BP) outside of healthcare consultations (BP self-screening), (2) investigate the reasons for and against hosting such a service and (3) ascertain how BP self-screening data are used in primary care. DESIGN: A mixed methods, cross-sectional study. SETTING: Primary care and community locations in Oxfordshire, UK. PARTICIPANTS: 325 sites were surveyed to identify where and in what form BP self-screening services were available...
March 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28336559/microvascular-endothelial-dysfunction-in-obesity-is-driven-by-macrophage-dependent-hydrogen-sulfide-depletion
#7
Joseph Candela, Rui Wang, Carl White
OBJECTIVE: The function of perivascular adipose tissue as an anticontractile mediator in the microvasculature is lost during obesity. Obesity results in inflammation and recruitment of proinflammatory macrophages to the perivascular adipose tissue that is paralleled by depletion of the vasorelaxant signaling molecule hydrogen sulfide (H2S) in the vessel. The current objective was to assess the role of macrophages in determining vascular [H2S] and defining how this impinged on vasodilation...
March 23, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28333157/consensus-approach-to-nasal-high-flow-therapy-in-neonates
#8
B A Yoder, B Manley, C Collins, K Ives, A Kugelman, A Lavizzari, M McQueen
OBJECTIVE: Nasal high-flow therapy (nHFT) is commonly used for noninvasive respiratory support in the neonatal intensive care unit. Our objective was to determine which aspects of neonatal nHFT have achieved adequate evidence base to support consensus among experienced clinical investigators, and to document areas lacking consensus to promote future investigations. STUDY DESIGN: Prospective, modified Delphi collation of tabular queries related to specific aspects of neonatal nHFT...
March 23, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28333037/cerebral-hemodynamic-with-intra-aortic-balloon-pump-business-as-usual
#9
Juliana Caldas, Ronney B Panerai, Edson Bor-Seng-Shu, Juliano Almeida, Graziela Ferreira, Ligia Cunha, Ricardo Nogueira, Marcelo Oliveira, Fabio Jatene, Thompson Robinson, Ludhmila Hajjar
Intra-aortic balloon pump (IABP) is commonly used as mechanical support after cardiac surgery or cardiac shock. Although its benefits for cardiac function have been well documented, its effects on cerebral circulation are still controversial. We hypothesized that transfer function analysis (TFA) and continuous estimates of dynamic cerebral autoregulation (CA) provide consistent results in the assessment of cerebral autoregulation in patients with IABP. Continuous recordings of blood pressure (BP, intra-arterial line), end-tidal CO2, heart rate and cerebral blood flow velocity (CBFV, transcranial Doppler) were obtained i) 5 minutes with IABP ratio 1:3, ii) 5 minutes, starting 1 minute with the IABP-ON, and continuing for another 4 minutes without pump assistance (IABP-OFF)...
March 23, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28332607/-breakthrough-osmosis-and-unusually-high-power-densities-in-pressure-retarded-osmosis-in-non-ideally-semi-permeable-supported-membranes
#10
Andriy Yaroshchuk
Osmosis is the movement of solvent across a membrane induced by a solute-concentration gradient. It is very important for cell biology. Recently, it has started finding technological applications in the emerging processes of Forward Osmosis and Pressure-Retarded Osmosis. They use ultrathin and dense membranes supported mechanically by much thicker porous layers. Until now, these processes have been modelled by assuming the membrane to be ideally-semipermeable. We show theoretically that allowing for even minor deviations from ideal semipermeability to solvent can give rise to a previously overlooked mode of "breakthrough" osmosis...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332506/effectiveness-of-home-blood-pressure-telemonitoring-a-systematic-review-and-meta-analysis-of-randomised-controlled-studies
#11
REVIEW
Y Duan, Z Xie, F Dong, Z Wu, Z Lin, N Sun, J Xu
To summarise evidence about the effectiveness of home blood pressure telemonitoring (HBPT) and identify the key components of intervention. We comprehensively searched PubMed, EMBASE and the Cochrane Library for relevant studies. The authors were contacted for additional information. Two authors independently extracted the data and assessed the risk of bias. 46 randomised controlled trials including a total of 13 875 cases were identified. Compared with usual care, HBPT improved office systolic blood pressure (BP) and diastolic BP by 3...
March 23, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28330829/does-telehealth-monitoring-identify-exacerbations-of-chronic-obstructive-pulmonary-disease-and-reduce-hospitalisations-an-analysis-of-system-data
#12
Melissa Kargiannakis, Deborah A Fitzsimmons, Claire L Bentley, Gail A Mountain
BACKGROUND: The increasing prevalence and associated cost of treating chronic obstructive pulmonary disease (COPD) is unsustainable. Health care organizations are focusing on ways to support self-management and prevent hospital admissions, including telehealth-monitoring services capturing physiological and health status data. This paper reports on data captured during a pilot randomized controlled trial of telehealth-supported care within a community-based service for patients discharged from hospital following an exacerbation of their COPD...
March 22, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28330751/reduction-in-heart-failure-hospitalizations-with-ambulatory-hemodynamic-monitoring-seen-in-clinical-trials-is-maintained-in-the-real-world
#13
Akshay S Desai, Arvind Bhimaraj, Rupinder Bharmi, Rita Jermyn, Kunjan Bhatt, David Shavelle, Margaret M Redfield, Robert Hull, Jamie A Pelzel, Kevin Davis, Nirav Dalal, Philip B Adamson, J Thomas Heywood
BACKGROUND: In the CHAMPION trial, heart failure hospitalization (HFH) rates were lower in patients managed with guidance from an implantable pulmonary artery pressure (PAP) sensor compared to usual care. OBJECTIVES: To examine the effectiveness of ambulatory hemodynamic monitoring in reducing HFH outside the clinical trial setting. METHODS: We conducted a retrospective cohort study using US Medicare claims data from patients undergoing PAP sensor implantation between 6/1/2014 and 12/31/2015...
March 9, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28330459/a-prospective-observational-study-to-evaluate-the-effect-of-social-and-personality-factors-on-continuous-positive-airway-pressure-cpap-compliance-in-obstructive-sleep-apnoea-syndrome
#14
Atul Gulati, Masood Ali, Mike Davies, Tim Quinnell, Ian Smith
BACKGROUND: Compliance with CPAP treatment for OSAS is not reliably predicted by the severity of symptoms or physiological variables. We examined a range of factors which could be measured before CPAP initiation to look for predictors of compliance. METHODS: This was a prospective cohort-study of CPAP treatment for OSAS, recording; socio-economic status, education, type D personality and clinician's prediction of compliance. RESULTS: We recruited 265 subjects, of whom 221 were still using CPAP at 6 months; median age 53 years, M: F, 3...
March 22, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28330412/early-asymmetric-cardio-cerebral-causality-and-outcome-after-severe-traumatic-brain-injury
#15
Lei Gao, Peter Smieleweski, Marek Czosnyka, Ari Ercole
The brain and heart are two vital systems in health and disease, increasingly recognised as a complex, interdependent network with constant information flow in both directions. After severe traumatic brain injury (TBI), the causal, directed interactions between the brain, heart and autonomic nervous system have not been well established. Novel methods are needed to probe unmeasured, potentially prognostic information in complex biological networks that are not revealed via traditional means. In this study, we examined potential bi-directional causality between intracranial pressure (ICP), mean arterial pressure (MAP) and heart rate (HR) and its relationship to mortality in a 24-hour period early after TBI...
March 23, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28329164/large-animal-model-of-functional-tricuspid-regurgitation-in-pacing-induced-end-stage-heart-failure
#16
Marcin Malinowski, Alistair G Proudfoot, David Langholz, Lenora Eberhart, Michael Brown, Hans Schubert, Jeremy Wodarek, Tomasz A Timek
OBJECTIVES: Functional tricuspid regurgitation (FTR) is common in patients with advanced heart failure and frequently complicates left ventricular assist device implantation yet remains poorly understood. We set out to establish large animal model of FTR that could serve as a research platform to investigate the pathogenesis of FTR associated with end-stage heart failure. METHODS: : Through right thoracotomy, ten adult sheep underwent implantation of pacemaker with epicardial LV lead, five sonomicrometry crystals on the right ventricle, and left and right ventricular telemetry pressure sensors during a beating heart off-pump procedure...
February 21, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28327493/noninvasive-ventilation-open-issues-for-nursing-research
#17
Stefano Bambi, Enrica Mati, Christian De Felippis, Alberto Lucchini
According to the current literature, Noninvasive Ventilation (NIV) is a well-recognized respiratory support technique for patients affected by Acute Respiratory Failure (ARF). As highlighted by recent meta-analysis, a tight adherence to protocols regarding patients' selection criteria, relative or absolute contraindications, plus highly skilled and experienced operators, can positively affect the NIV performance and mortality rates. Positive outcome from NIV respiratory support is dependent from: patient's clinical condition and education needs; confidence of the staff with NIV technology; choice and management of the most suitable interface available prevention of interface complications; nutritional assessment (artificial feeding if required) and conditioning of medical gas...
March 14, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28326440/effects-of-visual-motion-consistent-or-inconsistent-with-gravity-on-postural-sway
#18
Priscilla Balestrucci, Elena Daprati, Francesco Lacquaniti, Vincenzo Maffei
Vision plays an important role in postural control, and visual perception of the gravity-defined vertical helps maintaining upright stance. In addition, the influence of the gravity field on objects' motion is known to provide a reference for motor and non-motor behavior. However, the role of dynamic visual cues related to gravity in the control of postural balance has been little investigated. In order to understand whether visual cues about gravitational acceleration are relevant for postural control, we assessed the relation between postural sway and visual motion congruent or incongruent with gravity acceleration...
March 22, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28326051/causal-context-presented-in-subsequent-event-modifies-the-perceived-timing-of-cause-and-effect
#19
Hiroyuki Umemura
The effect of perceived causality on other aspects of perception, such as temporal or spatial perception, has interested many researchers. Previous studies have shown that the perceived timing of two events is modulated when the events are intentionally produced or the causal link between the two events was known in advance. However, little research has directly supported the idea that causality alone can modulate the perceived timing of two events without having knowledge about causal links in advance. In this study, I used novel causal displays in which various types of causal contexts could be presented in subsequent events (movement or color change of objects)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28323823/clustering-of-cardiovascular-risk-factors-and-carotid-intima-media-thickness-the-use-imt-study
#20
Xin Wang, Geertje W Dalmeijer, Hester M den Ruijter, Todd J Anderson, Annie R Britton, Jacqueline Dekker, Gunnar Engström, Greg W Evans, Jacqueline de Graaf, Diederick E Grobbee, Bo Hedblad, Suzanne Holewijn, Ai Ikeda, Jussi Kauhanen, Kazuo Kitagawa, Akihiko Kitamura, Sudhir Kurl, Eva M Lonn, Matthias W Lorenz, Ellisiv B Mathiesen, Giel Nijpels, Shuhei Okazaki, Joseph F Polak, Jacqueline F Price, Christopher M Rembold, Maria Rosvall, Tatjana Rundek, Jukka T Salonen, Matthias Sitzer, Coen D A Stehouwer, Tomi-Pekka Tuomainen, Sanne A E Peters, Michiel L Bots
BACKGROUND: The relation of a single risk factor with atherosclerosis is established. Clinically we know of risk factor clustering within individuals. Yet, studies into the magnitude of the relation of risk factor clusters with atherosclerosis are limited. Here, we assessed that relation. METHODS: Individual participant data from 14 cohorts, involving 59,025 individuals were used in this cross-sectional analysis. We made 15 clusters of four risk factors (current smoking, overweight, elevated blood pressure, elevated total cholesterol)...
2017: PloS One
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