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https://www.readbyqxmd.com/read/28478956/the-relationship-between-25-hydroxyvitamin-d-levels-insulin-sensitivity-and-insulin-secretion-in-women-3-years-after-delivery
#1
Tímea Tänczer, Rita Magenheim, Ágnes Fürst, Beatrix Domján, Zsófia Janicsek, Eszter Szabó, Viktória Ferencz, Ádám G Tabák
OBJECTIVES: There is a direct correlation between 25-hydroxyvitamin D (25[OH]D) levels and insulin sensitivity. Furthermore, women with gestational diabetes (GDM) may have lower levels of 25(OH)D compared to controls. The present study intended to investigate 25(OH)D levels and their association with insulin sensitivity and insulin secretion in women with prior GDM and in controls 3.2 years after delivery. METHODS: A total of 87 patients with prior GDM and 45 randomly selected controls (age range, 22 to 44 years) with normal glucose tolerance during pregnancy nested within a cohort of all deliveries at Saint Margit Hospital, Budapest, between January 1 2005, and December 31 2006, were examined...
May 3, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28452884/the-effect-of-reboa-partial-aortic-occlusion-and-aggressive-blood-transfusion-on-traumatic-brain-injury-in-a-swine-polytrauma-model
#2
M Austin Johnson, Timothy K Williams, Sarah-Ashley E Ferencz, Anders J Davidson, Rachel M Russo, William T O'Brien, Joseph M Galante, J Kevin Grayson, Lucas P Neff
OBJECTIVES: Despite clinical reports of poor outcomes, the degree to which REBOA exacerbates traumatic brain injury (TBI) is not known. We hypothesized that combined effects of increased proximal mean arterial pressure (pMAP), carotid blood flow (Qcarotid), and intracranial pressure (ICP) from REBOA would lead to TBI progression compared to partial aortic occlusion (PAO) or no intervention. METHODS: 21 swine underwent a standardized TBI via computer Controlled cortical impact followed by 25% total blood volume rapid hemorrhage...
April 27, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28422910/incremental-balloon-deflation-following-complete-reboa-results-in-steep-inflection-of-flow-and-rapid-reperfusion-in-a-large-animal-model-of-hemorrhagic-shock
#3
Anders J Davidson, Rachel M Russo, Sarah-Ashley E Ferencz, Jeremy W Cannon, Todd E Rasmussen, Lucas P Neff, M Austin Johnson, Timothy K Williams
INTRODUCTION: To avoid potential cardiovascular collapse after Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA), current guidelines recommend methodically deflating the balloon over 5 minutes to gradually reperfuse distal tissue beds. However, anecdotal evidence suggests that this approach may still result in unpredictable aortic flow rates and hemodynamic instability. We sought to characterize aortic flow dynamics following REBOA as the balloon is deflated in accordance with current practice guidelines...
April 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28345665/oscillating-electric-field-measures-the-rotation-rate-in-a-native-rotary-enzyme
#4
Csilla-Maria Ferencz, Pál Petrovszki, András Dér, Krisztina Sebők-Nagy, Zoltán Kóta, Tibor Páli
Rotary enzymes are complex, highly challenging biomolecular machines whose biochemical working mechanism involves intersubunit rotation. The true intrinsic rate of rotation of any rotary enzyme is not known in a native, unmodified state. Here we use the effect of an oscillating electric (AC) field on the biochemical activity of a rotary enzyme, the vacuolar proton-ATPase (V-ATPase), to directly measure its mean rate of rotation in its native membrane environment, without any genetic, chemical or mechanical modification of the enzyme, for the first time...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28343904/clinical-and-serologic-responses-after-a-two-dose-series-of-high-dose-influenza-vaccine-in-plasma-cell-disorders-a-prospective-single-arm-trial
#5
Andrew R Branagan, Eamon Duffy, Randy A Albrecht, Dennis L Cooper, Stuart Seropian, Terri L Parker, Geliang Gan, Fangyong Li, Daniel Zelterman, Chandra Sekhar Boddupalli, Lin Zhang, Rakesh Verma, Thomas M Ferencz, Madhav V Dhodapkar
BACKGROUND: Patients with multiple myeloma (MM) and other plasma cell disorders are highly susceptible to influenza infections, which are major causes of morbidity in this population, despite the routine administration of a seasonal influenza vaccination. Existing data are limited by small and retrospective studies, which suggest poor seroprotection rates of < 20% after standard influenza vaccination in patients with MM. PATIENTS AND METHODS: Patients with plasma cell dyscrasia (n = 51) were treated with a 2-dose series of high-dose inactivated trivalent influenza vaccine during the 2014 to 2015 influenza season...
May 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28338590/small-changes-big-effects-the-hemodynamics-of-partial-and-complete-aortic-occlusion-to-inform-next-generation-resuscitation-techniques-and-technologies
#6
M Austin Johnson, Anders J Davidson, Rachel M Russo, Sarah-Ashley E Ferencz, Oren Gotlib, Todd E Rasmussen, Lucas P Neff, Timothy K Williams
BACKGROUND: The transition from complete aortic occlusion during resuscitative endovascular balloon occlusion of the aorta can be associated with hemodynamic instability. Technique refinements and new technologies have been proposed to minimize this effect. In order to inform new techniques and technology, we examined the relationship between blood pressure and aortic flow during the restoration of systemic circulation following aortic occlusion at progressive levels of hemorrhage. METHODS: An automated supraceliac aortic clamp, capable of continuously variable degrees of occlusion, was applied in seven swine...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28229646/special-nutrition-intervention-is-required-for-muscle-protective-efficacy-of-physical-exercise-in-elderly-people-at-highest-risk-of-sarcopenia
#7
A Molnár, I Jónásné Sztruhár, Á A Csontos, Cs Ferencz, Sz Várbíró, B Székács
Progressive loss of muscle mass and strength is a physiological consequence of aging, and without interventions, it usually deteriorates into sarcopenia. In this study, the hypothesis that combined special nutritional-physiotherapeutical intervention to prevent or reverse this biological deterioration in elderly people was tested. The effects of the regular resistance muscle training (PT, n = 17) alone and the combined exercise + special nutrition therapy containing whey protein and vitamin D (PT + NT, n = 17) were monitored for 3 months in 34 elderly patients (12 men and 22 women; mean age: 66...
September 2016: Physiology International
https://www.readbyqxmd.com/read/28166165/automated-variable-aortic-control-versus-complete-aortic-occlusion-in-a-swine-model-of-hemorrhage
#8
Timothy K Williams, Lucas P Neff, Michael Austin Johnson, Rachel M Russo, Sarah-Ashley Ferencz, Anders J Davidson, Nathan F Clement, John Kevin Grayson, Todd E Rasmussen
BACKGROUND: Future endovascular hemorrhage control devices will require features that mitigate the adverse effects of vessel occlusion. Permissive regional hypoperfusion (PRH) with variable aortic control (VAC) is a novel strategy to minimize hemorrhage and reduce the ischemic burden of complete aortic occlusion (AO). The objective of this study was to compare PRH with VAC to AO in a lethal model of hemorrhage. METHODS: Twenty-five swine underwent cannulation of the supraceliac aorta, with diversion of aortic flow through an automated extracorporeal circuit...
April 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28122238/evolutionary-remodeling-of-bacterial-motility-checkpoint-control
#9
Bin Ni, Bhaswar Ghosh, Ferencz S Paldy, Remy Colin, Thomas Heimerl, Victor Sourjik
Regulatory networks play a central role in the relationship between genotype and phenotype in all organisms. However, the mechanisms that underpin the evolutionary plasticity of these networks remain poorly understood. Here, we used experimental selection for enhanced bacterial motility in a porous environment to explore the adaptability of one of the most complex networks known in bacteria. We found that the resulting phenotypic changes are mediated by adaptive mutations in several functionally different proteins, including multiple components of the flagellar motor...
January 24, 2017: Cell Reports
https://www.readbyqxmd.com/read/28108238/effect-of-an-evidence-based-guideline-on-the-treatment-of-maxillofacial-cancer-a-prospective-analysis
#10
Klaus-Dietrich Wolff, Andrea Rau, Julia Ferencz, Thomas Langer, Marco Kesting, Markus Nieberler, Simone Wesselmann
BACKGROUND: In 2012, a guideline for the diagnosis and treatment of oral cavity cancer based on the best available evidence was implemented at certified German cancer centres for head and neck carcinomas. The present analysis was performed to determine whether the implementation of the guideline via certification improved the level of care, leading to a benefit for the patients. METHODS: A prospective observational study was performed based on the annual operating figures at 31 certified head and neck cancer centres...
March 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27669637/large-increase-in-the-prevalence-of-self-reported-diabetes-based-on-a-nationally-representative-survey-in-hungary
#11
Beatrix A Domján, Viktória Ferencz, Tímea Tänczer, Zsófia Szili-Janicsek, László Barkai, Tibor Hidvégi, György Jermendy, Péter Kempler, Gábor Winkler, László Gerő, Adam G Tabák
AIMS: To estimate and compare the prevalence of self-reported diabetes based on nationally representative surveys of the Hungarian adult population in 2002 (published data - Hungarostudy) and a survey in 2012. METHODS: A cross-sectional computer-assisted telephone interview survey on a stratified representative sample of community-dwelling adults (n=1000) in 2012. To describe self-reported diabetes prevalence and its temporal changes generalized linear models were used and results were compared to figures from Hungarostudy...
April 2017: Primary Care Diabetes
https://www.readbyqxmd.com/read/27647283/dopamine-receptor-genes-modulate-associative-memory-in-old-age
#12
Goran Papenberg, Nina Becker, Beata Ferencz, Moshe Naveh-Benjamin, Erika J Laukka, Lars Bäckman, Yvonne Brehmer
Previous research shows that associative memory declines more than item memory in aging. Although the underlying mechanisms of this selective impairment remain poorly understood, animal and human data suggest that dopaminergic modulation may be particularly relevant for associative binding. We investigated the influence of dopamine (DA) receptor genes on item and associative memory in a population-based sample of older adults (n = 525, aged 60 years), assessed with a face-scene item associative memory task...
February 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/27525083/case-report-intraneural-perineurioma-of-the-sciatic-nerve-in-an-adolescent-strategies-for-revealing-the-diagnosis
#13
Lars B Dahlin, Inger Nennesmo, Jack Besjakov, Istvan Ferencz, Gert S Andersson, Clas Backman
Diagnosis of intraneural conditions can be revealed by a combination of clinical examination, electrophysiology, magnetic resonance imaging (MRI), and targeted fascicular biopsy with subsequent microscopic analyses.
August 2016: Clinical Case Reports
https://www.readbyqxmd.com/read/27291308/elevated-levels-of-macromolecular-damage-are-correlated-with-increased-nitric-oxide-synthase-expression-in-erythrocytes-isolated-from-twin-neonates
#14
Krisztina N Dugmonits, Ágnes Ferencz, Szabolcs Zahorán, Renáta Lázár, Petra Talapka, Hajnalka Orvos, Edit Hermesz
Pregnancy is a state associated with an enhanced metabolism and demand for O2 , which may lead to the overproduction of reactive oxygen species (ROS) and hence to oxidative stress. An elevated ROS level may result in delayed development and a low birth weight. The aim of this study was to reveal the consequences of multiple pregnancies on the redox status of neonatal human red blood cells (RBCs) and evaluate the role of endothelial nitric oxide synthase (NOS3) - expressing RBCs in the generation of oxidative stress...
September 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27199153/modeling-psychologists-ethical-intention-application-of-an-expanded-theory-of-planned-behavior
#15
Michall Ferencz-Kaddari, Annie Shifman, Meni Koslowsky
At the core of all therapeutic and medical practice lies ethics. By applying an expanded Ajzen's Theory of Planned Behavior formulation, the present investigation tested a model for explaining psychologists' intention to behave ethically. In the pretest, dual relationships and money conflicts were seen as the most prevalent dilemmas. A total of 395 clinical psychologists filled out questionnaires containing either a dual relationship dilemma describing a scenario where a psychologist was asked to treat a son of a colleague or a money-focused dilemma where he or she was asked to treat a patient unable to pay for the service...
June 2016: Psychological Reports
https://www.readbyqxmd.com/read/27171330/-obstacles-and-facilitators-of-conducting-studies-the-perspective-of-colorectal-cancer-centers-coordinators
#16
C Kowalski, J Ferencz, S Benz, S Post, T Seufferlein, B Stinner, O Penzes, S Wesselmann
INTRODUCTION: Clinical trials and health services research are crucial pillars for improving patient care. This paper examines factors inhibiting and promoting the study activity and the knowledge and use of trial registries (e. g. DRKS, StudyBox) as an opportunity to learn about existing studies. MATERIAL AND METHODS: The coordinators of 274 cancer center sites certified according to the requirements of the German Cancer Society were surveyed using a standardized online questionnaire...
May 2016: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/27159568/physical-activity-and-inflammation-effects-on-gray-matter-volume-and-cognitive-decline-in-aging
#17
Goran Papenberg, Beata Ferencz, Francesca Mangialasche, Patrizia Mecocci, Roberta Cecchetti, Grégoria Kalpouzos, Laura Fratiglioni, Lars Bäckman
Physical activity has been positively associated with gray-matter integrity. In contrast, pro-inflammatory cytokines seem to have negative effects on the aging brain and have been related to dementia. It was investigated whether an inactive lifestyle and high levels of inflammation resulted in smaller gray-matter volumes and predicted cognitive decline across 6 years in a population-based study of older adults (n = 414). Self-reported physical activity (fitness-enhancing, health-enhancing, inadequate) was linked to gray-matter volume, such that individuals with inadequate physical activity had the least gray matter...
October 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/27084871/tobacco-use-among-children-in-romanian-foster-care-homes
#18
Ferencz Iozsef Lorand, Abram Zoltan, Schmidt Lorand, Balazs Peter, Kristie L Foley
BACKGROUND: Children living in facilities under the supervision of child protection authorities are vulnerable to early smoking experimentation. This is the first study to report the prevalence and correlates of smoking behaviour among foster care home residents in Romania. METHODS: We conducted an in-person, cross-sectional survey of 914 resident children in 148 foster care homes of four Transylvanian counties. We included children <18 and those with complete tobacco use information in the analytical sample (n = 791)...
October 2016: European Journal of Public Health
https://www.readbyqxmd.com/read/27070441/extending-resuscitative-endovascular-balloon-occlusion-of-the-aorta-endovascular-variable-aortic-control-in-a-lethal-model-of-hemorrhagic-shock
#19
Timothy Keith Williams, Lucas P Neff, Michael Austin Johnson, Sarah-Ashley Ferencz, Anders J Davidson, Rachel M Russo, Todd E Rasmussen
BACKGROUND: The duration of use and efficacy of resuscitative endovascular balloon occlusion of the aorta (REBOA) is limited by distal ischemia. We developed a hybrid endovascular-extracorporeal circuit variable aortic control (VAC) device to extend REBOA duration in a lethal model of hemorrhagic shock to serve as an experimental surrogate to further the development of endovascular VAC (EVAC) technologies. METHODS: Nine Yorkshire-cross swine were anesthetized, instrumented, splenectomized, and subjected to 30% liver amputation...
August 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/26897976/lamellar-macular-holes-associated-with-end-stage-exudative-age-related-macular-degeneration
#20
Ori Segal, Joseph R Ferencz, Michael Mimouni, Ronit Nesher, Perri Cohen, Arie Y Nemet
BACKGROUND: Reports of lamellar macular holes (LMHs) with underlying age-related macular degeneration (AMD) are rare, and the specific definition, pathogenesis and surgical recommendations for this macular condition remain unclear. OBJECTIVES: To present a series of LMHs in eyes with underlying end-stage AMD, and describe optical coherence tomography (OCT) detection of associated morphologic abnormalities. METHODS: We reviewed the files of consecutive patients diagnosed with LMH and underlying end-stage AMD between September 2007 and September 2011...
December 2015: Israel Medical Association Journal: IMAJ
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