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https://www.readbyqxmd.com/read/27923635/novel-application-of-a-radial-water-tread-maze-can-distinguish-cognitive-deficits-in-mice-with-traumatic-brain-injury
#1
Marcella M Cline, Josh Yumul, Lisa Hysa, Dalia Murra, Gregory G Garwin, David G Cook, Warren Ladiges, Satoshi Minoshima, Donna J Cross
INTRODUCTION: The use of forced-swim, rat-validated cognition tests in mouse models of Traumatic Brain Injury (TBI) raises methodological concerns; such models are vulnerable to a number of confounding factors including impaired motor function and stress-induced non-compliance (failure to swim). This study evaluated the ability of a Radial Water Tread (RWT) maze, designed specifically for mice, that requires no swimming to distinguish mice with controlled cortical impact (CCI) induced TBI and Sham controls...
December 3, 2016: Brain Research
https://www.readbyqxmd.com/read/27913924/shear-wave-elastography-reveals-different-degrees-of-passive-and-active-stiffness-of-the-neck-extensor-muscles
#2
Angela V Dieterich, Ricardo J Andrade, Guillaume Le Sant, Deborah Falla, Frank Petzke, François Hug, Antoine Nordez
PURPOSE: The neck extensor muscles contribute to spinal support and posture while performing head and neck motion. Muscle stiffness relates to passive elasticity (support) and active tensioning (posture and movement) of muscle. It was hypothesized that support and motion requirements are reflected in the distribution of stiffness between superficial and deep neck extensor muscles. METHODS: In ten healthy participants, shear modulus (stiffness) of five neck extensor muscles was determined in prone at rest and during isometric head lift at three intensities using shear wave elastography...
December 2, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27912037/avalanche-accidents-causing-fatalities-are-they-any-different-in-the-summer
#3
Mathieu Pasquier, Olivier Hugli, Alexandre Kottmann, Frank Techel
: Pasquier, Mathieu, Olivier Hugli, Alexandre Kottmann, and Frank Techel. Avalanche accidents causing fatalities: are they any different in the summer? High Alt Med Biol. 16:000-000, 2016. AIMS: This retrospective study investigated the epidemiology of summer avalanche accidents that occurred in Switzerland and caused at least one fatality between 1984 and 2014. Summer avalanche accidents were defined as those that occurred between June 1st and October 31st. RESULTS: Summer avalanches caused 21 (4%) of the 482 avalanches with at least one fatality occurring during the study period, and 40 (6%) of the 655 fatalities...
December 2, 2016: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/27871206/brucellosis-and-thrombosis-of-the-inferior-vena-cava
#4
Kristina Rüegger, Philip Tarr, Konstantinos Karatolios, Jörg Humburg, Rolf Hügli, Christina Jeanneret
We describe the case of a 23-year old woman with a newly diagnosed thrombosis of the inferior vena cava associated with a Brucella melitensis infection. We suggest possible mechanisms leading to brucellosis-associated venous thrombosis and review 14 previously reported cases.
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November 22, 2016: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/27867964/an-electromechanical-hug-for-the-failing-heart
#5
COMMENT
Ron Feiner, Tal Dvir
No abstract text is available yet for this article.
October 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27866089/absence-of-epithelial-atypia-in-b3-lesions-of-the-breast-is-associated-with-decreased-risk-for-malignancy
#6
Sebastian Mayer, Gian Kayser, Gerta Rücker, Diana Bögner, Marc Hirschfeld, Christiane Hug, Elmar Stickeler, Gerald Gitsch, Thalia Erbes
INTRODUCTION: Lesions of uncertain malignant potential (B3) represent a heterogeneous group with an overall risk for malignancy of 9.85-35.1% after total resection. Positive predictive values (PPV) for malignancy vary depending on B3 subtype. The aim of this study was to evaluate the PPV for malignancy in B3 lesions and to determine the clinical significance of atypia-dependent sub-classification (a = without epithelial atypia; b = with epithelial atypia) of B3 into B3a and B3b and papillary lesions (PL) in PLa and PLb...
November 17, 2016: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/27861273/thermodilution-determined-internal-jugular-venous-flow
#7
Peter Rasmussen, Mario Widmer, Matthias P Hilty, Mike Hug, Henrik Sørensen, Shigehiko Ogoh, Kohei Sato, Niels H Secher, Marco Maggiorini, Carsten Lundby
PURPOSE: Cerebral blood flow (CBF) increases ~20% during whole body exercise although a Kety-Schmidt-determined CBF is reported to remain stable; a discrepancy that could reflect evaluation of arterial vs. internal jugular venous (IJV) flow and/or that CBF is influenced by posture. Here we test the hypothesis that IJV flow, as determined by retrograde thermodilution increases during exercise when body position is maintained. METHODS: Introducing retrograde thermodilution, IJV flow was measured in 8 healthy humans at supine and upright rest and during exercise in normoxia and hypoxia with results compared to changes in ultrasound-derived IJV flow and middle cerebral artery mean velocity (MCA Vmean)...
November 17, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27829015/imaging-of-orthotopic-glioblastoma-xenografts-in-mice-using-a-clinical-ct-scanner-comparison-with-micro-ct-and-histology
#8
Stefanie Kirschner, Bettina Mürle, Manuela Felix, Anna Arns, Christoph Groden, Frederik Wenz, Andreas Hug, Gerhard Glatting, Martin Kramer, Frank A Giordano, Marc A Brockmann
PURPOSE: There is an increasing need for small animal in vivo imaging in murine orthotopic glioma models. Because dedicated small animal scanners are not available ubiquitously, the applicability of a clinical CT scanner for visualization and measurement of intracerebrally growing glioma xenografts in living mice was validated. MATERIALS AND METHODS: 2.5x106 U87MG cells were orthotopically implanted in NOD/SCID/ᵞc-/- mice (n = 9). Mice underwent contrast-enhanced (300 μl Iomeprol i...
2016: PloS One
https://www.readbyqxmd.com/read/27818784/red-cell-distribution-width-and-mortality-in-acute-heart-failure-patients-with-preserved-and-reduced-ejection-fraction
#9
Konstantinos Sotiropoulos, Patrick Yerly, Pierre Monney, Antoine Garnier, Julien Regamey, Olivier Hugli, David Martin, Melanie Metrich, Jean-Philippe Antonietti, Roger Hullin
BACKGROUND: Elevated red blood cell distribution width (RDW) is a valid predictor of outcome in acute heart failure (AHF). It is unknown whether elevated RDW remains predictive in AHF patients with either preserved left ventricular ejection fraction (LVEF) ≥50% or reduced LVEF (<50%). METHODS AND RESULTS: Prospective local registry including 402 consecutive hospitalized AHF patients without acute coronary syndrome or need of intensive care. The primary outcome was all-cause mortality (ACM) at 1 year after admission...
September 2016: ESC Heart Failure
https://www.readbyqxmd.com/read/27800456/successful-lung-transplant-after-prolonged-extracorporeal-membrane-oxygenation-ecmo-in-a-child-with-pulmonary-hypertension-a-case-report
#10
Cecile Tissot, Walid Habre, Paola Soccal, Maja Isabel Hug, Dominique Bettex, Michel Pellegrini, Yacine Aggoun, Anne Mornand, Afksendyios Kalangos, Peter Rimensberger, Maurice Beghetti
INTRODUCTION: The use of extracorporeal membrane oxygenation (ECMO) is considered a risk factor for, or even a potential contraindication to, lung transplantation. However, only a few pediatric cases have been described thus far. CASE PRESENTATION: A 9-year-old boy with idiopathic pulmonary arterial hypertension developed cardiac arrest after the insertion of a central catheter. ECMO was used as a bridge to lung transplantation. However, after prolonged resuscitation, he developed medullary ischemia and medullary syndrome...
August 2016: Research in Cardiovascular Medicine
https://www.readbyqxmd.com/read/27795393/mechanical-strength-and-inhibition-of-the-staphylococcus-aureus-collagen-binding-protein-cna
#11
Philippe Herman-Bausier, Claire Valotteau, Giampiero Pietrocola, Simonetta Rindi, David Alsteens, Timothy J Foster, Pietro Speziale, Yves F Dufrêne
: The bacterial pathogen Staphylococcus aureus expresses a variety of cell surface adhesion proteins that bind to host extracellular matrix proteins. Among these, the collagen (Cn)-binding protein Cna plays important roles in bacterium-host adherence and in immune evasion. While it is well established that the A region of Cna mediates ligand binding, whether the repetitive B region has a dedicated function is not known. Here, we report the direct measurement of the mechanical strength of Cna-Cn bonds on living bacteria, and we quantify the antiadhesion activity of monoclonal antibodies (MAbs) targeting this interaction...
October 25, 2016: MBio
https://www.readbyqxmd.com/read/27774985/thousands-of-microbial-genomes-shed-light-on-interconnected-biogeochemical-processes-in-an-aquifer-system
#12
Karthik Anantharaman, Christopher T Brown, Laura A Hug, Itai Sharon, Cindy J Castelle, Alexander J Probst, Brian C Thomas, Andrea Singh, Michael J Wilkins, Ulas Karaoz, Eoin L Brodie, Kenneth H Williams, Susan S Hubbard, Jillian F Banfield
The subterranean world hosts up to one-fifth of all biomass, including microbial communities that drive transformations central to Earth's biogeochemical cycles. However, little is known about how complex microbial communities in such environments are structured, and how inter-organism interactions shape ecosystem function. Here we apply terabase-scale cultivation-independent metagenomics to aquifer sediments and groundwater, and reconstruct 2,540 draft-quality, near-complete and complete strain-resolved genomes that represent the majority of known bacterial phyla as well as 47 newly discovered phylum-level lineages...
October 24, 2016: Nature Communications
https://www.readbyqxmd.com/read/27769584/cataract-surgery-in-children-from-birth-to-less-than-13-years-of-age-baseline-characteristics-of-the-cohort
#13
Michael X Repka, Trevano W Dean, Elizabeth L Lazar, Kimberly G Yen, Phoebe D Lenhart, Sharon F Freedman, Denise Hug, Bahram Rahmani, Serena X Wang, Raymond T Kraker, David K Wallace
OBJECTIVE: To describe baseline characteristics, initial postoperative refractive errors, operative complications, and magnitude of the intraocular lens (IOL) prediction error for refractive outcome in children undergoing lensectomy largely in North America. DESIGN: Prospective registry study of children from birth to <13 years of age who underwent lensectomy for any reason within 45 days preceding enrollment. PARTICIPANTS: Total of 1266 eyes of 994 children; 49% female and 59% white...
December 2016: Ophthalmology
https://www.readbyqxmd.com/read/27755369/the-effect-of-scala-tympani-morphology-on-basilar-membrane-contact-with-a-straight-electrode-array-a-human-temporal-bone-study
#14
Juul Verberne, Frank Risi, Luke Campbell, Scott Chambers, Stephen O'Leary
HYPOTHESIS: Scala tympani morphology influences the insertion dynamics and intra-scalar position of straight electrode arrays. BACKGROUND: Hearing preservation is the goal of cochlear implantation with current thin straight electrode arrays. These hug the lateral wall, facilitating full, atraumatic insertions. However, most studies still report some postoperative hearing loss. This study explores the influence of scala tympani morphology on array position relative to the basilar membrane and its possible contribution to postoperative hearing loss...
November 10, 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27753239/application-of-shear-wave-elastography-to-estimate-the-stiffness-of-the-male-striated-urethral-sphincter-during-voluntary-contractions
#15
Ryan E Stafford, Rafeef Aljuraifani, François Hug, Paul W Hodges
OBJECTIVES: To investigate whether increases in stiffness can be detected in the anatomical region associated with the striated urethral sphincter during voluntary activation using shear wave elastography; to identify the location and area of the stiffness increase relative to the point of greatest dorsal displacement of the mid urethra (i.e. striated urethral sphincter); and to determine the relationship between muscle stiffness and contraction intensity. SUBJECTS AND METHODS: Ten healthy men participated...
October 18, 2016: BJU International
https://www.readbyqxmd.com/read/27749377/characteristics-and-predictors-of-mortality-among-frequent-users-of-an-emergency-department-in-switzerland
#16
Judith L Griffin, Marie Yersin, Stéphanie Baggio, Katia Iglesias, Venetia-Sofia Velonaki, Karine Moschetti, Bernard Burnand, Jean-Blaise Wasserfallen, Francis Vu, Corine Ansermet, Olivier Hugli, Jean-Bernard Daeppen, Patrick Bodenmann
OBJECTIVES: Frequent Emergency Department (ED) users have an elevated mortality, yet little is known about risk factors. Our aim was to characterize deceased frequent ED users and determine predictors of mortality. METHODS: This is a post-hoc analysis of all-cause mortality among frequent ED users participating in a randomized clinical trial on case management at the Lausanne University Hospital (Switzerland). We enrolled 250 frequent ED users (5+ visits/past year) in a 12-month randomized clinical trial; those with an estimated survival of fewer than 18 months were excluded...
October 4, 2016: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/27742261/predictors-and-causes-of-long-term-mortality-in-elderly-patients-with-acute-venous-thromboembolism-a-prospective-cohort-study
#17
Nicolas Faller, Andreas Limacher, Marie Méan, Marc Righini, Markus Aschwanden, Jürg Hans Beer, Beat Frauchiger, Josef Osterwalder, Nils Kucher, Bernhard Lämmle, Jacques Cornuz, Anne Angelillo-Scherrer, Christian M Matter, Marc Husmann, Martin Banyai, Daniel Staub, Lucia Mazzolai, Olivier Hugli, Nicolas Rodondi, Drahomir Aujesky
BACKGROUND: Long-term predictors and causes of death are understudied in elderly patients with acute venous thromboembolism. METHODS: We prospectively followed up 991 patients aged ≥65 years with acute venous thromboembolism in a multicenter Swiss cohort study. The primary outcome was overall mortality. We explored the association between patient baseline characteristics and mortality, adjusting for other baseline variables and periods of anticoagulation as a time-varying covariate...
October 11, 2016: American Journal of Medicine
https://www.readbyqxmd.com/read/27721082/ictal-kissing-electroclinical-features-of-an-unusual-ictal-phenomenon
#18
Çiğdem Özkara, Emine Taşkıran, İrem Yıldırım Çarpraz, Erhan Bilir, Aylin Bican Demir, İbrahim Bora, İbrahim Aydoğdu, Şakir Delil, Francine Chassoux
PURPOSE: The study aimed to describe the electroclinical features of ictal kissing, an unusual behavior that may occur during focal seizures. METHOD: Twenty-five patients collected from four epilepsy centers and previously published reports were reviewed for their demographic, clinical, and electrophysiological features. RESULTS: Sixteen of 25 patients were female. The mean age was 32.9 years (9.9-51 years) and the average age at seizure onset was 14...
October 1, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27716186/quality-of-diabetes-care-and-health-insurance-coverage-a-retrospective-study-in-an-outpatient-academic-public-hospital-in-switzerland
#19
Yves Jackson, Juan Carlos Lozano Becerra, Marc Carpentier
BACKGROUND: Socioeconomic disadvantage is associated with an increased risk of adverse diabetes outcomes. In Switzerland, a country with theoretical universal healthcare coverage, people without health insurance face barriers in accessing to and in receiving standard quality care. The Geneva University Hospitals (HUG) have implemented policies aiming at reducing these gaps. We compared quality of diabetes care and ambulatory healthcare services utilization among insured and uninsured diabetic patients...
October 3, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27689942/bio-active-coating-of-decellularized-vascular-grafts-with-a-temperature-sensitive-vegf-conjugated-hydrogel-accelerates-autologous-endothelialization-in-vivo
#20
Makoto Iijima, Hug Aubin, Meike Steinbrink, Franziska Schiffer, Alexander Assmann, Richard D Weisel, Yoshiro Matsui, Ren-Ke Li, Artur Lichtenberg, Payam Akhyari
The ideal small-diameter vascular graft for widespread clinical application has not yet been developed and current approaches still suffer from graft failure because of thrombosis or degeneration. Decellularized vascular grafts are a promising strategy as they preserve native vessel architecture while eliminating cell-based antigens and allowing for autologous recellularization. In this study, we used a functional in vivo rodent aortic transplantation model in order to evaluate the benefit of bio-active coating of decellularized vascular grafts with vascular endothelial growth factor (VEGF) conjugated to a temperature-sensitive aliphatic polyester hydrogel (HG)...
September 30, 2016: Journal of Tissue Engineering and Regenerative Medicine
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