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https://www.readbyqxmd.com/read/28211362/marrow-isolated-adult-multilineage-inducible-cells-embedded-within-a-biologically-inspired-construct-promote-recovery-in-a-mouse-model-of-peripheral-vascular-disease
#1
Cristina Grau-Monge, Gaëtan J-R Delcroix, Andrea Bonnin-Marquez, Mike Valdes, Ead Lewis Mazen Awadallah, Daniel F Quevedo, Maxime R Armour, Ramon B Montero, Paul C Schiller, Fotios M Andreopoulos, Gianluca D'Ippolito
Peripheral vascular disease is one of the major vascular complications in individuals suffering from diabetes and in the elderly that is associated with significant burden in terms of morbidity and mortality. Stem cell therapy is being tested as an attractive alternative to traditional surgery to prevent and treat this disorder. The goal of this study was to enhance the protective and reparative potential of marrow-isolated adult multilineage inducible (MIAMI) cells by incorporating them within a bio-inspired construct (BIC) made of two layers of gelatin B electrospun nanofibers...
February 17, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28209742/cardiorespiratory-fitness-modulates-the-acute-flow-mediated-dilation-response-following-high-intensity-but-not-moderate-intensity-exercise-in-elderly-men
#2
Tom G Bailey, Maria Perissiou, Mark Windsor, Fraser D Russell, Jonathan Golledge, Daniel J Green, Christopher D Askew
Impaired endothelial function is observed with ageing and with low cardiorespiratory fitness (VO2peak) whilst improvements in both are suggested to be reliant on higher-intensity exercise in the elderly. This may be due to the flow-mediated dilation (FMD) response to acute exercise of varying intensity. We examined the hypothesis that exercise-intensity alters the FMD response in healthy elderly adults, and would be modulated by VO2peak Forty-seven elderly men were stratified into lower- (VO2peak = 24.3±2...
February 16, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28209484/successful-provision-of-inter-hospital-extracorporeal-cardiopulmonary-resuscitation-for-acute-post-partum-pulmonary-embolism
#3
C McDonald, J Laurie, S Janssens, C Zazulak, P Kotze, K Shekar
Mortality during pregnancy in a well-resourced setting is rare, but acute pulmonary embolism is one of the leading causes. We present the successful use of extracorporeal cardiopulmonary resuscitation (eCPR) in a 22-year old woman who experienced cardiopulmonary collapse following urgent caesarean section in the setting of a sub-massive pulmonary embolus. Resources and personnel to perform eCPR were not available at the maternity hospital and were recruited from an adjacent pediatric hospital. Initial care used low blood flow extracorporeal membrane oxygenation (ECMO) with pediatric ECMO circuitry, which was optimized when the team from a nearby adult cardiac hospital arrived...
January 9, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28202059/cardiosphere-derived-cells-do-not-improve-cardiac-function-in-rats-with-cardiac-failure
#4
Taís Hanae Kasai-Brunswick, Andréa Rodrigues da Costa, Raiana Andrade Quintanilha Barbosa, Bruna Farjun, Fernanda Cristina Paccola Mesquita, Danúbia Silva Dos Santos, Isalira Peroba Ramos, Grazielle Suhett, Guilherme Visconde Brasil, Sandro Torrentes da Cunha, José Oscar R Brito, Juliana do Amaral Passipieri, Adriana Bastos Carvalho, Antonio Carlos Campos de Carvalho
BACKGROUND: Heart failure represents an important public health issue due to its high costs and growing incidence worldwide. Evidence showing the regenerative potential of postmitotic heart tissue has suggested the existence of endogenous cardiac stem cells in adult hearts. Cardiosphere-derived cells (CDC) constitute a candidate pool of such cardiac stem cells. Previous studies using acute myocardial infarction (MI) models in rodents demonstrated an improvement in cardiac function after cell therapy with CDC...
February 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28183823/occlusion-of-blood-flow-attenuates-exercise-induced-hypoalgesia-in-the-occluded-limb-of-healthy-adults
#5
Matthew D Jones, Janet L Taylor, Benjamin K Barry
Animal studies have demonstrated an important role of peripheral mechanisms as contributors to exercise-induced hypoalgesia (EIH). Whether these same mechanisms contribute to EIH in humans is not known. In the current study, pain thresholds were assessed in healthy volunteers (n = 36) before and after 5 min of high intensity leg cycling exercise and an equivalent period of quiet rest. Pressure pain thresholds (PPT) were assessed over the rectus femoris muscle of one leg and first dorsal interosseous muscles (FDI) of both arms...
February 9, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28181301/impact-of-distinct-oxygenators-on-pulsatile-energy-indicators-in-an-adult-cardiopulmonary-bypass-model
#6
Lonneke M Griep, Laurentius J M van Barneveld, Antoine P Simons, Christa Boer, Patrick W Weerwind
The quantification of pulse energy during cardiopulmonary bypass (CPB) post-oxygenator is required prior to the evaluation of the possible beneficial effects of pulsatile flow on patient outcome. We therefore, evaluated the impact of three distinctive oxygenators on the energy indicators energy equivalent pressure (EEP) and surplus hemodynamic energy (SHE) in an adult CPB model under both pulsatile and laminar flow conditions. The pre- and post-oxygenator pressure and flow were measured at room temperature using a 40% glycerin-water mixture at flow rates of 1, 2, 3, 4, 5, and 6 L/min...
February 2017: Artificial Organs
https://www.readbyqxmd.com/read/28174331/humidity-and-inspired-oxygen-concentration-during-high-flow-nasal-cannula-therapy-in-neonatal-and-infant-lung-models
#7
Yusuke Chikata, Saki Ohnishi, Masaji Nishimura
BACKGROUND: High-flow nasal cannula therapy (HFNC) for neonate/infants can deliver up to 10 L/min of heated and humidified gas, and FIO2 can be adjusted to between 0.21 and 1.0. With adults, humidification and actual FIO2 are known to vary according to inspiratory and HFNC gas flow, tidal volume (VT), and ambient temperature. There have been few studies focused on humidification and FIO2 in HFNC settings for neonates/infants, so we performed a bench study to investigate the influence of gas flow, ambient temperature, and respiratory parameters on humidification and actual FIO2 in a neonate/infant simulation...
February 7, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28173781/effect-of-inhaled-corticosteroid-particle-size-on-asthma-efficacy-and-safety-outcomes-a-systematic-literature-review-and-meta-analysis
#8
Céline El Baou, Rachael L Di Santostefano, Rafael Alfonso-Cristancho, Elizabeth A Suarez, David Stempel, Mark L Everard, Neil Barnes
BACKGROUND: Inhaled corticosteroids (ICS) are the primary treatment for persistent asthma. Currently available ICS have differing particle size due to both formulation and propellant, and it has been postulated that this may impact patient outcomes. This structured literature review and meta-analysis compared the effect of small and standard particle size ICS on lung function, symptoms, rescue use (when available) and safety in patients with asthma as assessed in head-to-head randomized controlled trials (RCTs)...
February 7, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28151978/development-and-evaluation-of-up-converting-phosphor-technology-based-lateral-flow-assay-for-quantitative-detection-of-nt-probnp-in-blood
#9
Xiaoli Yang, Liping Liu, Qingfang Hao, Deyong Zou, Xiaoli Zhang, Liping Zhang, Hongmei Li, Yong Qiao, Huansheng Zhao, Lei Zhou
A newly assay, up-converting phosphor technology-based lateral flow (UPT-LF) assay, was developed for rapid and quantitative detection of N-terminal fragment of B-type natriuretic peptide precursor (NT-proBNP), one of the most important serum molecular maker of heat failure, in plasma samples as a point of care testing (POCT) method for diagnosis of acute heart failure. Human plasma from 197 patients with acute heart failure and 200 healthy controls was assessed using the UPT-LF assay, in a comparison with a Roche Elecsys assay...
2017: PloS One
https://www.readbyqxmd.com/read/28140649/effects-of-a-combination-of-acepromazine-maleate-and-butorphanol-tartrate-on-conventional-and-two-dimensional-speckle-tracking-echocardiography-in-healthy-dogs
#10
Giorgia Santarelli, Jesús Talavera López, Josefa Fernández Del Palacio
OBJECTIVE To determine effects of a combination of acepromazine maleate and butorphanol tartrate on conventional echocardiographic variables and on strain values obtained by use of 2-D speckle tracking echocardiography (STE) in healthy dogs. ANIMALS 18 healthy medium- and large-size adult dogs. PROCEDURES Transthoracic echocardiographic examination (2-D, M-mode, color flow, spectral Doppler, and tissue Doppler ultrasonography) and high-definition oscillometric blood pressure measurement were performed before and after dogs were sedated by IM administration of a combination of acepromazine (0...
February 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28139216/integrated-stress-response-activation-by-sleep-fragmentation-during-late-gestation-in-mice-leads-to-emergence-of-adverse-metabolic-phenotype-in-offspring
#11
Wojciech Trzepizur, Abdelnaby Khalyfa, Zhuanhong Qiao, Brian Popko, David Gozal
BACKGROUND: Late gestational sleep fragmentation (SF) is highly prevalent particularly in obese women, and induces metabolic dysfunction in adult offspring mice. SF induces activation of the integrated stress response (ISR), which might be involved in metabolic disorders. We hypothesized that adult offspring of double mutant mice (DM) involving the critical ISR genes CHOP and GADD34 would be protected from developing obesity and insulin resistance following SF. METHODS: Time-pregnant CHOP/GADD34 DM and wild type (WT) mice were randomly assigned to sleep control (SC) or SF conditions during the last 5days of gestation...
January 21, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28137280/high-dimensional-assessment-of-b-cell-responses-to-quadrivalent-meningococcal-conjugate-and-plain-polysaccharide-vaccine
#12
Daniel O'Connor, Elizabeth A Clutterbuck, Amber J Thompson, Matthew D Snape, Maheshi N Ramasamy, Dominic F Kelly, Andrew J Pollard
BACKGROUND: Neisseria meningitidis is a globally important cause of meningitis and septicaemia. Twelve capsular groups of meningococci are known, and quadrivalent vaccines against four of these (A, C, W and Y) are available as plain-polysaccharide and protein-polysaccharide conjugate vaccines. Here we apply contemporary methods to describe B-cell responses to meningococcal polysaccharide and conjugate vaccines. METHODS: Twenty adults were randomly assigned to receive either a meningococcal plain-polysaccharide or conjugate vaccine; one month later all received the conjugate vaccine...
January 30, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28135110/the-influence-of-17-hours-of-normobaric-hypoxia-on-parallel-adjustments-in-exhaled-nitric-oxide-and-airway-function-in-lowland-healthy-adults
#13
Erik H Van Iterson, Eric M Snyder, Bruce D Johnson
Van Iterson, Erik H., Eric M. Snyder, and Bruce D. Johnson. The influence of 17 hours of normobaric hypoxia on parallel adjustments in exhaled nitric oxide and airway function in lowland healthy adults. High Alt Med Biol. 16:000-000, 2017.-Currently, there is a disparate understanding of the role that normobaric hypoxia plays in affecting nitric oxide (NO) measured in exhaled air (eNO) and airway function in lowland healthy adults. Compared to normobaric normoxia, this study aimed to test the effect of 17 hours of normobaric hypoxia on relationships between eNO and airway function in healthy adults...
January 30, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28120105/age-differences-in-arterial-and-venous-extra-cerebral-blood-flow-in-healthy-adults-contributions-of-vascular-risk-factors-and-genetic-variants
#14
Naftali Raz, Ana M Daugherty, Sean K Sethi, Muzamil Arshad, E Mark Haacke
Sufficient cerebral blood flow (CBF) and venous drainage are critical for normal brain function, and their alterations can affect brain aging. However, to date, most studies focused on arterial CBF (inflow) with little attention paid to the age differences in venous outflow. We measured extra-cerebral arterial and venous blood flow rates with phase-contrast MRI and assessed the influence of vascular risk factors and genetic polymorphisms (ACE insertion/deletion, COMT val158met, and APOEε4) in 73 adults (age 18-74 years)...
January 24, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28119068/differential-effects-of-eating-and-drinking-on-wellbeing-an-ecological-ambulatory-assessment-study
#15
Jana Strahler, Urs M Nater
INTRODUCTION: Various behaviors, such as physical activity and sleep, have been shown to have stress-reducing and beneficial effects on wellbeing. In contrast, the rewarding effects of eating and drinking have rarely been investigated, particularly using ecologically valid approaches, and little is known about mediating mechanisms on the biological level. METHODS: Seventy-seven healthy young adults completed items on eating and drinking as well as momentary wellbeing (measured by mood, energy, tension, stress and fatigue levels) on an iPod touch 5×/day for 4 consecutive days...
January 22, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28115510/abnormal-wave-reflections-and-left-ventricular-hypertrophy-late-after-coarctation-of-the-aorta-repair
#16
Michael A Quail, Rebekah Short, Bejal Pandya, Jennifer A Steeden, Abbas Khushnood, Andrew M Taylor, Patrick Segers, Vivek Muthurangu
Patients with repaired coarctation of the aorta are thought to have increased afterload due to abnormalities in vessel structure and function. We have developed a novel cardiovascular magnetic resonance protocol that allows assessment of central hemodynamics, including central aortic systolic blood pressure, resistance, total arterial compliance, pulse wave velocity, and wave reflections. The main study aims were to (1) characterize group differences in central aortic systolic blood pressure and peripheral systolic blood pressure, (2) comprehensively evaluate afterload (including wave reflections) in the 2 groups, and (3) identify possible biomarkers among covariates associated with elevated left ventricular mass (LVM)...
March 2017: Hypertension
https://www.readbyqxmd.com/read/28115366/adult-t-cell-leukemia-atl-molecular-basis-for-clonal-expansion-and-transformation-of-htlv-1-infected-t-cells
#17
Toshiki Watanabe
Adult T-cell leukemia (ATL) is an aggressive T-cell malignancy caused by human T-cell leukemia virus type 1 (HTLV-1) that develops through a multistep carcinogenesis process involving five or more genetic events. In this review, we provided a comprehensive overview of recently uncovered information on the molecular basis of leukemogenesis in ATL. Broadly, the landscape of genetic abnormalities in ATL that include alterations highly enriched in genes for T cell receptor-NF-κB signaling such as PLCG1, PRKCB, and CARD11 and gain-of function mutations in CCR4 and CCR7 Conversely, the epigenetic landscape of ATL can be summarized as polycomb repressive complex 2 (PRC2) hyperactivation with genome-wide H3K27 me3 accumulation as the basis of the unique transcriptome of ATL cells...
January 23, 2017: Blood
https://www.readbyqxmd.com/read/28114921/prevention-of-hypothermia-in-patients-undergoing-orthotopic-liver-transplantation-using-the-humigard%C3%A2-open-surgery-humidification-system-a-prospective-randomized-pilot-and-feasibility-clinical-trial
#18
RANDOMIZED CONTROLLED TRIAL
Laurence Weinberg, Andrew Huang, Daniel Alban, Robert Jones, David Story, Larry McNicol, Brett Pearce
BACKGROUND: Perioperative thermal disturbances during orthotopic liver transplantation (OLT) are common. We hypothesized that in patients undergoing OLT the use of a humidified high flow CO2 warming system maintains higher intraoperative temperatures when compared to standardized multimodal strategies to maintain thermoregulatory homeostasis. METHODS: We performed a randomized pilot study in adult patients undergoing primary OLT. Participants were randomized to receive either open wound humidification with a high flow CO2 warming system in addition to standard care (Humidification group) or to standard care alone (Control group)...
January 23, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28113592/visuomotor-entrainment-and-the-frequency-dependent-response-of-walking-balance-to-perturbations
#19
Jason R Franz, Carrie Francis, Matt Allen, Darryl G Thelen
Visuomotor entrainment, or the synchronization of motor responses to visual stimuli, is a naturally emergent phenomenon in human standing. Our purpose was to investigate the prevalence and resolution of visuomotor entrainment in walking and the frequency-dependent response of walking balance to perturbations. We used a virtual reality environment to manipulate optical flow in ten healthy young adults during treadmill walking. A motion capture system recorded trunk, sacrum, and heel marker trajectories during a series of 3-min conditions in which we perturbed a virtual hallway mediolaterally with systematic changes in the driving frequencies of perceived motion...
August 26, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28111931/transfer-of-care-and-overstay-in-the-management-of-cellulitis-in-the-emergency-short-stay-unit-a-retrospective-cohort-study
#20
Jeremy W Abetz, Nicholas G Adams, Harvey Newnham, De Villiers Smit, Biswadev Mitra
OBJECTIVE: This study aimed to quantify the rate of transfer of care or overstay from cellulitis management in the emergency short stay unit (ESSU) and to identify risk factors during initial assessment associated with transfer of care or overstay. METHODS: A retrospective cohort study was conducted including cellulitis patients diagnosed with and admitted to the ESSU at a metropolitan adult tertiary referral centre. Data abstracted included patient demographics, comorbidities, initial investigations and initial vital signs...
January 22, 2017: Emergency Medicine Australasia: EMA
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