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https://www.readbyqxmd.com/read/29780895/salvage-procedure-using-a-chimney-endograft-for-early-cerebral-ischaemia-after-hybrid-aortic-arch-repair-of-a-primary-aorto-bronchial-fistula
#1
M Cappelle, V Coppin, H Thieren, G Maleux, I Fourneau
Introduction: Hybrid aortic arch repair for the treatment of aorto-bronchial fistulas has been suggested as a safe alternative to open repair. However, surgical morbidity and mortality are still significant and re-intervention is sometimes inevitable. Report: Successful rescue by a hybrid approach is reported in a 76 year old woman who was transferred from another centre with recurrent episodes of left hemiplegia shortly after debranching of the supra-aortic vessels and thoracic aortic stent grafting for an aorto-bronchial fistula associated with a true aneurysm at the level of origin of the left subclavian artery...
2018: EJVES Short Reports
https://www.readbyqxmd.com/read/29780894/multiple-re-entry-closures-after-tevar-for-ruptured-chronic-post-dissection-thoraco-abdominal-aortic-aneurysm
#2
R Kinoshita, F Ganaha, J Ito, N Ohyama, N Abe, T Yamazato, H Munakata, K Mabuni, T Kugai
Introduction: Although thoracic endovascular aortic repair (TEVAR) has become a promising treatment for complicated acute type B dissection, its role in treating chronic post-dissection thoraco-abdominal aortic aneurysm (TAA) is still limited owing to persistent retrograde flow into the false lumen (FL) through abdominal or iliac re-entry tears. Report: A case of chronic post-dissection TAA treatment, in which a dilated descending FL ruptured into the left thorax, is described...
2018: EJVES Short Reports
https://www.readbyqxmd.com/read/29778746/betulinic-acid-a-natural-pde-inhibitor-restores-hippocampal-camp-cgmp-and-bdnf-improve-cerebral-blood-flow-and-recover-memory-deficits-in-permanent-bccao-induced-vascular-dementia-in-rats
#3
Madhu Kaundal, Saima Zameer, Abul Kalam Najmi, Suhel Parvez, Mohd Akhtar
Vascular dementia (VaD) is the second most common form of senile dementia, embraces memory deficits, neuroinflammation, executive function damage, mood and behavioral changes and abnormal cerebral blood flow. The purpose of the study was to explore the therapeutic potential of betulinic acid in bilateral common carotid artery occlusion (BCCAO) induced VaDin experimental rats.VaD was induced by BCCAO in rats and betulinic acid (10 and 15mg/kg/day po) was administered 1 week after surgery. The cerebral blood pressure of the animal was recorded before and after the treatment using Laser Doppler flow meter...
May 17, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29776113/torque-scaling-in-small-gap-taylor-couette-flow-with-smooth-or-grooved-wall
#4
Bihai Zhu, Zengqi Ji, Zhengkun Lou, Pengcheng Qian
The torque in the Taylor-Couette flow for radius ratios η≥0.97, with smooth or grooved wall static outer cylinders, is studied experimentally, with the Reynolds number of the inner cylinder reaching up to Re_{i}=2×10^{5}, corresponding to the Taylor number up to Ta=5×10^{10}. The grooves are perpendicular to the mean flow, and similar to the structure of a submersible motor stator. It is found that the dimensionless torque G, at a given Re_{i} and η, is significantly greater for grooved cases than smooth cases...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775842/retention-of-neodymium-by-dolomite-at-variable-ionic-strength-as-probed-by-batch-and-column-experiments
#5
H P Emerson, F Zengotita, M Richmann, Y Katsenovich, D T Reed, T M Dittrich
The results presented in this paper highlight the complexity of adsorption and incorporation processes of Nd with dolomite and significantly improve upon previous work investigating trivalent actinide and lanthanide interactions with dolomite. Both batch and mini column experiments were conducted at variable ionic strength. These data highlight the strong chemisorption of Nd to the dolomite surface (equilibrium Kd 's > 3000 mL/g) and suggest that equilibrium adsorption processes may not be affected by ionic strength based on similar results at 0...
May 15, 2018: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29773443/sequential-webcam-monitoring-and-modeling-of-marine-debris-abundance
#6
Shin'ichiro Kako, Atsuhiko Isobe, Tomoya Kataoka, Kei Yufu, Shuto Sugizono, Charlie Plybon, Thomas A Murphy
The amount of marine debris washed ashore on a beach in Newport, Oregon, USA was observed automatically and sequentially using a webcam system. To investigate potential causes of the temporal variability of marine debris abundance, its time series was compared with those of satellite-derived wind speeds and sea surface height off the Oregon coast. Shoreward flow induced by downwelling-favorable southerly winds increases marine debris washed ashore on the beach in winter. We also found that local sea-level rise caused by westerly winds, especially at spring tide, moved the high-tide line toward the land, so that marine debris littered on the beach was likely to re-drift into the ocean...
May 14, 2018: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/29773083/reprising-the-globalization-dimensions-of-international-health
#7
EDITORIAL
Ronald Labonté
Globalization is a fairly recent addition to the panoply of concepts describing the internationalization of health concerns. What distinguishes it from 'international health' or its newer morphing into 'global health' is a specific analytical concern with how globalization processes, past or present, but particularly since the start of our neoliberal era post-1980, is affecting health outcomes. Globalization processes influence health through multiple social pathways: from health systems and financing reforms to migration flows and internal displacement; via trade and investment treaties, labour market 'flexibilization', and the spread of unhealthy commodities; or through deploying human rights and environment protection treaties, and strengthening health diplomacy efforts, to create more equitable and sustainable global health outcomes...
May 18, 2018: Globalization and Health
https://www.readbyqxmd.com/read/29769624/serial-minimal-residual-disease-mrd-monitoring-during-first-line-fcr-treatment-for-cll-may-direct-individualized-therapeutic-strategies
#8
Philip A Thompson, Christine B Peterson, Paolo Strati, Jeff Jorgensen, Michael J Keating, Susan M O'Brien, Alessandra Ferrajoli, Jan A Burger, Zeev Estrov, Nitin Jain, Tapan M Kadia, Gautam Borthakur, Courtney D DiNardo, Naval Daver, Elias Jabbour, William G Wierda
Achieving undetectable MRD (U-MRD) status after chemoimmunotherapy predicts longer progression-free and overall survival. The predictive factors and timing of relapse in patients with U-MRD and value of interim MRD analysis are ill-defined. This was a prospective study of 289 patients with CLL treated first-line with FCR. MRD analysis was performed after course 3 (C3) and at end of therapy (EOT) in bone marrow using 4-color flow cytometry (sensitivity 10-4 ). Eighteen percent of patients had U-MRD after C3 and 48% at EOT...
April 17, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29769357/evolution-of-genomic-variation-in-the-burrowing-owl-in-response-to-recent-colonization-of-urban-areas
#9
Jakob C Mueller, Heiner Kuhl, Stefan Boerno, Jose L Tella, Martina Carrete, Bart Kempenaers
When a species successfully colonizes an urban habitat it can be expected that its population rapidly adapts to the new environment but also experiences demographic perturbations. It is, therefore, essential to gain an understanding of the population structure and the demographic history of the urban and neighbouring rural populations before studying adaptation at the genome level. Here, we investigate populations of the burrowing owl ( Athene cunicularia ), a species that colonized South American cities just a few decades ago...
May 16, 2018: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29769168/pressure-wire-compared-to-microcatheter-sensing-for-coronary-fractional-flow-reserve-the-perform-study
#10
Ziad A Ali, Yasir Parviz, Matthew Brinkman, Mitsuaki Matsumura, Björn Redfors, David A Brogno, Maria D Corral, Khady N Fall, Gary S Mintz, Gregg W Stone, Akiko Maehara, Allen Jeremias, Ajay J Kirtane
AIMS: Among technologies used to assess FFR, a monorail, sensor-tipped micro pressure catheter (PC) may be advantageous for delivery and re-assessment. We sought to determine whether the larger cross-sectional area of the PC influences FFR measurements compared to the pressure wire. METHODS AND RESULTS: PERFORM was a single-center, prospective study designed to determine the precision and accuracy of the PC compared with the pressure wire (PW) for measurement of FFR...
May 15, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29765363/subtle-differences-in-symbiont-cell-surface-glycan-profiles-do-not-explain-species-specific-colonization-rates-in-a-model-cnidarian-algal-symbiosis
#11
John E Parkinson, Trevor R Tivey, Paige E Mandelare, Donovon A Adpressa, Sandra Loesgen, Virginia M Weis
Mutualisms between cnidarian hosts and dinoflagellate endosymbionts are foundational to coral reef ecosystems. These symbioses are often re-established every generation with high specificity, but gaps remain in our understanding of the cellular mechanisms that control symbiont recognition and uptake dynamics. Here, we tested whether differences in glycan profiles among different symbiont species account for the different rates at which they initially colonize aposymbiotic polyps of the model sea anemone Aiptasia ( Exaiptasia pallida )...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29764678/re-engaging-with-places-understanding-bio-geo-graphical-disruption-and-flow-in-adult-brain-injury-survivors
#12
Louise Meijering, Nicky Theunissen, Ant T Lettinga
Acquired Brain Injury (ABI) is one of the most common causes of disability and death in adults worldwide. After a period of rehabilitation, many ABI survivors still face complex mind/body conditions when they try to take up their former life again. Besides lasting visible impairments such as weakness and loss of body balance, there are often less obvious disabilities such as extreme fatigue, hypersensitivity for stimuli, memory, concentration and attention problems or personality changes. The aim of this paper is to understand how ABI survivors and their significant others renegotiate their engagements with everyday places, using the concepts of bio-geo-graphical disruption and flow...
May 5, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29764613/the-joint-use-of-resilience-engineering-and-lean-production-for-work-system-design-a-study-in-healthcare
#13
Caroline Brum Rosso, Tarcisio Abreu Saurin
Although lean production (LP) has been increasingly adopted in healthcare systems, its benefits often fall short of expectations. This might be partially due to the failure of lean to account for the complexity of healthcare. This paper discusses the joint use of principles of LP and resilience engineering (RE), which is an approach for system design inspired by complexity science. Thus, a framework for supporting the design of socio-technical systems, which combines insights from LP and RE, was developed and tested in a system involving a patient flow from an emergency department to an intensive care unit...
September 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29764172/developing-compassionate-communities-in-australia-through-collective-caregiving-a-qualitative-study-exploring-network-centred-care-and-the-role-of-the-end-of-life-sector
#14
Debbie Horsfall
BACKGROUND: The new public health palliative care movement calls for a move away from an individualised model of caregiving to a whole of community approach which will increase expectations on community carers. In order to avoid carer isolation, exploitation and potential burnout there is then a very real need to understand environments and relationships which support collective community caregiving. In this research we explored in-home caring networks to understand if and how network centred care supports carers of the dying while developing a whole of community approach...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29761415/effects-of-genetic-distance-on-heterosis-in-a-drosophila-melanogaster-model-system
#15
Charlotte Jensen, Michael Ørsted, Torsten Nygaard Kristensen
Habitat fragmentation and small population sizes can lead to inbreeding and loss of genetic variation, which can potentially cause inbreeding depression and decrease the ability of populations to adapt to altered environmental conditions. One solution to these genetic problems is the implementation of genetic rescue, which re-establishes gene flow between separated populations. Similar techniques are being used in animal and plant breeding to produce superior production animals and plants. To optimize fitness benefits in genetic rescue programs and to secure high yielding domestic varieties in animal and plant breeding, knowledge on the genetic relatedness of populations being crossed is imperative...
May 14, 2018: Genetica
https://www.readbyqxmd.com/read/29759673/characterization-of-ventricular-tachycardia-after-left-ventricular-assist-device-implantation-as-destination-therapy-a-single-center-ablation-experience
#16
Joshua D Moss, Erin E Flatley, Andrew D Beaser, John H Shin, Hemal M Nayak, Gaurav A Upadhyay, Martin C Burke, Valluvan Jeevanandam, Nir Uriel, Roderick Tung
OBJECTIVES: This study sought to report mechanisms of ventricular tachycardia (VT) and outcomes of VT ablation in patients with a left ventricular assist device (LVAD) as destination therapy. BACKGROUND: Continuous flow LVAD implantation plays a growing role in the management of end-stage heart failure, and VT is common. There are limited reports of VT ablation in patients with a destination LVAD. METHODS: Patients with a continuous-flow LVAD referred for VT ablation from 2010 to 2016 were analyzed retrospectively...
December 11, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29758634/reduced-order-model-for-inertial-locomotion-of-a-slender-swimmer
#17
Raksha Mahalinkam, Felicity Gong, Aditya S Khair
The inertial locomotion of an elongated model swimmer in a Newtonian fluid is quantified, wherein self-propulsion is achieved via steady tangential surface treadmilling. The swimmer has a length 2l and a circular cross section of longitudinal profile aR(z), where a is the characteristic width of the cross section, R(z) is a dimensionless shape function, and z is a dimensionless coordinate, normalized by l, along the centerline of the body. It is assumed that the swimmer is slender, ε=a/l≪1. Hence, we utilize slender-body theory to analyze the Navier-Stokes equations that describe the flow around the swimmer...
April 2018: Physical Review. E
https://www.readbyqxmd.com/read/29757209/immunization-offer-targeting-migrants-policies-and-practices-in-italy
#18
Teresa Dalla Zuanna, Martina Del Manso, Cristina Giambi, Flavia Riccardo, Antonino Bella, Maria Grazia Caporali, Maria Grazia Dente, Silvia Declich
The unprecedented flow of migrants over the last three years places Italy in front of new issues regarding medical care from the rescue phase up to the integration into the national health services, including preventive actions. We used online questionnaires to investigate the Italian national and regional policies for immunization offer targeting asylum seekers, refugees, irregular migrants and unaccompanied minors. Another questionnaire was used to assess how these policies are translated into practice in migrant reception centres and community health services...
May 12, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29755841/quantitative-pet-of-liver-functions
#19
REVIEW
Susanne Keiding, Michael Sørensen, Kim Frisch, Lars C Gormsen, Ole Lajord Munk
Improved understanding of liver physiology and pathophysiology is urgently needed to assist the choice of new and upcoming therapeutic modalities for patients with liver diseases. In this review, we focus on functional PET of the liver: 1) Dynamic PET with 2-deoxy-2-[18 F]fluoro- D -galactose (18 F-FDGal) provides quantitative images of the hepatic metabolic clearance K met (mL blood/min/mL liver tissue) of regional and whole-liver hepatic metabolic function. Standard-uptake-value ( SUV ) from a static liver 18 F-FDGal PET/CT scan can replace K met and is currently used clinically...
2018: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29753975/the-dependence-of-chlorine-decay-and-dbp-formation-kinetics-on-pipe-flow-properties-in-drinking-water-distribution
#20
Yingying Zhao, Y Jeffrey Yang, Yu Shao, Jill Neal, Tuqiao Zhang
Simultaneous chlorine decay and disinfection byproduct (DBP) formation have been discussed extensively because of their regulatory and operational significance. This study further examines chemical reaction variability in the water quality changes under various hydrodynamic conditions in drinking water distribution. The variations of kinetic constant for overall chlorine decay (kE ) and trihalomethane (THM) formation were determined under stagnant to turbulent flows using three devices of different wall demand and two types of natural organic matters (NOM) in water...
April 27, 2018: Water Research
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