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https://www.readbyqxmd.com/read/29777183/harmless-sea-snail-parasite-causes-mass-mortalities-in-numerous-commercial-scallop-populations-in-the-northern-hemisphere
#1
Árni Kristmundsson, Mark Andrew Freeman
Apicomplexans comprise a group of unicellular, often highly pathogenic, obligate parasites exploiting either one or two hosts to complete a full reproductive cycle. For decades, various scallop populations have suffered cyclical mass mortality events, several of which shown to be caused by apicomplexan infections. We report the first dual mollusc life cycle for an apicomplexan: a species highly pathogenic in various pectinid bivalve species, but apathogenic when infecting the common whelk as Merocystis kathae...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29765870/low-starting-dosage-of-infliximab-with-possible-escalating-dosage-in-psoriatic-arthritis-gives-the-same-treatment-results-as-standard-dosage-of-adalimumab-or-etanercept-results-from-the-nationwide-icelandic-icebio-registry
#2
Bjorn Gudbjornsson, Arni Jon Geirsson, Niels Steen Krogh
Objective: To explore differences in response to a low dosage regimen of infliximab with an escalating dosage in comparison to a standard dosage of etanercept and adalimumab in patients with psoriatic arthritis (PsA). Methods: Biologically naïve PsA patients who were beginning anti-TNF-α therapy were selected from the ICEBIO registry. Demographics and clinical differences were compared in four treatment groups: infliximab <4 mg/kg; infliximab >4 mg/kg; etanercept or adalimumab at baseline and on follow-up (6 and 12 months, last visit)...
2018: Psoriasis: targets and therapy
https://www.readbyqxmd.com/read/29761839/effects-of-plasma-transfusions-on-antithrombin-levels-after-paediatric-liver-transplantation
#3
D Arni, B E Wildhaber, V McLin, P C Rimensberger, M Ansari, P Fontana, O Karam
BACKGROUND AND OBJECTIVES: Thrombotic complications affect 3-10% of patients after liver transplantation (LT), leading to potentially life-threatening complications. In the days following LT, antithrombin (AT) is decreased longer than pro-coagulant factors, thus favouring a pro-thrombotic profile. Plasma transfusions are given empirically in some centres to correct AT levels following LT. We assessed the effect of plasma transfusion on AT levels after paediatric LT. MATERIALS AND METHODS: Prospective single-centre observational study in 20 consecutive paediatric LT recipients over a 24-month period...
May 15, 2018: Vox Sanguinis
https://www.readbyqxmd.com/read/29761293/stable-but-progressive-nature-of-heart-failure-considerations-for-primary-care-physicians
#4
REVIEW
Inder Anand
Primary care physicians play a significant role in managing heart failure (HF), with the goals of reducing mortality, avoiding hospitalization, and improving patients' quality of life. Most HF-related hospitalizations and deaths occur in patients with New York Heart Association functional class II or III, many of whom are perceived to have stable disease, which often progresses without clinical symptoms due to underlying deleterious effects of neurohormonal imbalance and endothelial dysfunction. Management includes lifestyle changes and stepped pharmacological therapy directed at the four stages of HF, with aggressive uptitration of therapies, including beta-blockers and inhibitors of the renin-angiotensin-aldosterone system...
May 14, 2018: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/29748349/independent-prognostic-value-of-serum-soluble-st2-measurements-in-patients-with-heart-failure-and-a-reduced-ejection-fraction-in-the-paradigm-hf-trial-prospective-comparison-of-arni-with-acei-to-determine-impact-on-global-mortality-and-morbidity-in-heart-failure
#5
Eileen O'Meara, Margaret F Prescott, Brian Claggett, Jean L Rouleau, Lu-May Chiang, Scott D Solomon, Milton Packer, John J V McMurray, Michael R Zile
BACKGROUND: Soluble ST2 (sST2) is associated with cardiac remodeling and fibrosis. In chronic heart failure, the predictive value of sST2 has not been evaluated in a model that includes both NT-proBNP (N-terminal pro-B-type natriuretic peptide) and hs-TnT (high-sensitivity cardiac troponin T), in a trial in which treatment had a major impact. Therefore, the effects of treatment on sST2 levels in PARADIGM-HF trial (Prospective Comparison of ARNI With ACEI to Determine Impact on Global Mortality and Morbidity in Heart Failure), the relationships between sST2 and outcomes, and the prognostic utility of various sST2 partition values were examined...
May 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29744528/device-therapy-in-heart-failure-with-reduced-ejection-fraction-cardiac-resynchronization-therapy-and-more
#6
D Duncker, C Veltmann
In patients with heart failure with reduced ejection fraction (HFrEF), optimal medical treatment includes beta-blockers, ACE inhibitors/angiotensinreceptor-neprilysin inhibitors (ARNI), mineralocorticoid receptor antagonists, and ivabradine when indicated. In device therapy of HFrEF, implantable cardioverter-defibrillators and cardiac resynchronization therapy (CRT) have been established for many years. CRT is the therapy of choice (class I indication) in symptomatic patients with HFrEF and a broad QRS complex with a left bundle branch block (LBBB) morphology...
May 9, 2018: Herz
https://www.readbyqxmd.com/read/29667019/what-is-new-in-heart-failure-management-in-2017-update-on-acc-aha-heart-failure-guidelines
#7
REVIEW
Biykem Bozkurt
PURPOSE OF REVIEW: The goal of this paper is to provide a summary of the new recommendations in the most recent 2017 ACC/AHA/HFSA Focused Update of the 2013 ACCF/AHA Guideline for the Management of Heart Failure: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Failure Society of America. The intent is to provide the background and the supporting evidence for the recommendations and to provide practical guidance for management strategies in treatment of heart failure patients...
April 17, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29655829/renal-effects-and-associated-outcomes-during-angiotensin-neprilysin-inhibition-in-heart-failure
#8
Kevin Damman, Mauro Gori, Brian Claggett, Pardeep S Jhund, Michele Senni, Martin P Lefkowitz, Margaret F Prescott, Victor C Shi, Jean L Rouleau, Karl Swedberg, Michael R Zile, Milton Packer, Akshay S Desai, Scott D Solomon, John J V McMurray
OBJECTIVES: The purpose of this study was to evaluate the renal effects of sacubitril/valsartan in patients with heart failure and reduced ejection fraction. BACKGROUND: Renal function is frequently impaired in patients with heart failure with reduced ejection fraction and may deteriorate further after blockade of the renin-angiotensin system. METHODS: In the PARADIGM-HF (Prospective Comparison of ARNI with ACE inhibition to Determine Impact on Global Mortality and Morbidity in Heart Failure) trial, 8,399 patients with heart failure with reduced ejection fraction were randomized to treatment with sacubitril/valsartan or enalapril...
April 5, 2018: JACC. Heart Failure
https://www.readbyqxmd.com/read/29617523/effects-of-sacubitril-valsartan-on-physical-and-social-activity-limitations-in-patients-with-heart-failure-a-secondary-analysis-of-the-paradigm-hf-trial
#9
Alvin Chandra, Eldrin F Lewis, Brian L Claggett, Akshay S Desai, Milton Packer, Michael R Zile, Karl Swedberg, Jean L Rouleau, Victor C Shi, Martin P Lefkowitz, Tzvetana Katova, John J V McMurray, Scott D Solomon
Importance: Health-related quality of life (HRQL) of patients with heart failure is markedly reduced compared with that in patients with other chronic diseases, demonstrating substantial limitations in physical and social activities. In the Prospective Comparison of ARNI With an ACE-Inhibitor to Determine Impact on Global Mortality and Morbidity in Heart Failure (PARADIGM-HF) trial, sacubitril/valsartan improved overall HRQL compared with enalapril, as determined by the Kansas City Cardiomyopathy Questionnaire (KCCQ)...
April 4, 2018: JAMA Cardiology
https://www.readbyqxmd.com/read/29596012/utility-of-natriuretic-peptides-to-assess-and-manage-patients-with-heart-failure-receiving-angiotensin-receptor-blocker-neprilysin-inhibitor-therapy
#10
Alan S Maisel, Lori B Daniels, Inder S Anand, Peter A McCullough, Sheryl L Chow
Levels of natriuretic peptides (NPs), such as B-type NP (BNP) and the N-terminal fragment of its prohormone (NT-proBNP), are well-established biomarkers for patients with heart failure (HF). Although these biomarkers have consistently demonstrated their value in the diagnosis and prognostication of HF, their ability to help clinicians in making treatment decisions remains debated. Moreover, some new HF drugs can affect concentrations of NPs, such as the prevention of BNP degradation by angiotensin receptor/neprilysin inhibitors (ARNIs), and may present a challenge in the interpretation of levels of BNP...
March 29, 2018: Postgraduate Medicine
https://www.readbyqxmd.com/read/29544929/angiotensin-receptor-neprilysin-inhibition-provides-superior-cardioprotection-compared-to-angiotensin-converting-enzyme-inhibition-after-experimental-myocardial-infarction
#11
Andrew R Kompa, Jiayu Lu, Thomas J Weller, Darren J Kelly, Henry Krum, Thomas G von Lueder, Bing H Wang
BACKGROUND: Angiotensin receptor neprilysin inhibitor (ARNi) enhances beneficial natriuretic peptides by inhibiting their breakdown through neprilysin. Although the first-in-class ARNi sacubitril/valsartan (LCZ696) reduced mortality and morbidity in heart failure (HF) with reduced ejection fraction (EF) compared to angiotensin converting enzyme inhibitor (ACEi), mechanistic data on ARNi are scarce. ARNi may be superior to ACEi in attenuating adverse cardiac remodeling and dysfunction post-myocardial infarction (MI)...
May 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29544151/specific-problems-in-visual-cognition-of-dyslexic-readers-face-discrimination-deficits-predict-dyslexia-over-and-above-discrimination-of-scrambled-faces-and-novel-objects
#12
Heida Maria Sigurdardottir, Liv Elisabet Fridriksdottir, Sigridur Gudjonsdottir, Árni Kristjánsson
Evidence of interdependencies of face and word processing mechanisms suggest possible links between reading problems and abnormal face processing. In two experiments we assessed such high-level visual deficits in people with a history of reading problems. Experiment 1 showed that people who were worse at face matching had greater reading problems. In experiment 2, matched dyslexic and typical readers were tested, and difficulties with face matching were consistently found to predict dyslexia over and above both novel-object matching as well as matching noise patterns that shared low-level visual properties with faces...
June 2018: Cognition
https://www.readbyqxmd.com/read/29542073/combination-therapy-of-renin-angiotensin-system-inhibitors-and-%C3%AE-blockers-in-patients-with-heart-failure
#13
Kotaro Nochioka, Yasuhiko Sakata, Hiroaki Shimokawa
Renin-angiotensin-aldosterone system (RAAS) and sympathetic nervous system play crucial roles in heart failure with reduced ejection fraction (HFrEF). Clinical trials provide strong evidence of prognostic benefits for combination therapy with angiotensin-converting enzyme inhibitor (ACEI) and β-blocker in the treatment of HFrEF. Angiotensin receptor blocker (ARB) is not superior to ACEI in improving mortality and an alternative for patients who are intolerant to ACEI. Prognostic evidence for triple therapy which combined angiotensin receptor blocker (ARB) and ACEI in addition to β-blocker therapy, is still controversial in HFrEF...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29516230/the-heart-failure-burden-of-type-2-diabetes-mellitus-a-review-of-pathophysiology-and-interventions
#14
REVIEW
Anne Pernille Ofstad, Dan Atar, Lars Gullestad, Gisle Langslet, Odd Erik Johansen
Diabetes and heart failure (HF) are both global epidemics with tremendous costs on society with increased rates of HF hospitalizations and worsened prognosis when co-existing, making it a significant "deadly duo." The evidence for pharmacological treatment of HF in patients with type 2 diabetes mellitus (T2DM) stems typically from either subgroup analyses of patients that were recruited to randomized controlled trials of HF interventions, usually in patients with reduced ejection fraction (EF), or from subgroup analyses of HF patients recruited to cardiovascular (CV) outcome trials (CVOT) of glucose lowering agents involving patients with T2DM...
May 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29480354/effects-of-saccade-training-on-express-saccade-proportions-saccade-latencies-and-peak-velocities-an-investigation-of-nasal-temporal-differences
#15
Ómar I Jóhannesson, Jay A Edelman, Bjarki Dalsgaard Sigurþórsson, Árni Kristjánsson
Express saccades have very short latencies and are often considered a special population of saccadic eye movements. Recent evidence suggests that express saccade generation in humans increases with training, and that this training is independent of the actual saccade vector being trained. We assessed the time course of these training-induced increases in express saccade generation and how they differ between the nasal and temporal hemifields, and second whether they transfer from the trained to the untrained eye...
May 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29464817/the-role-of-angiotensin-receptor-neprilysin-inhibitors-in-cardiovascular-disease-existing-evidence-knowledge-gaps-and-future-directions
#16
REVIEW
Andrew P Ambrosy, Robert J Mentz, Mona Fiuzat, John G F Cleland, Stephen J Greene, Christopher M O'Connor, John R Teerlink, Faiez Zannad, Scott D Solomon
Although traditional renin-angiotensin system antagonists including angiotensin-converting enzyme inhibitors and angiotensin receptor blockers have revolutionized the treatment of cardiovascular disease (CVD), the pivotal PARADIGM-HF trial demonstrated that sacubitril/valsartan, an angiotensin receptor-neprilysin inhibitor (ARNI), was superior to an angiotensin-converting enzyme inhibitor in reducing cardiovascular morbidity and mortality in patients with heart failure and reduced ejection fraction. However, despite international regulatory approval and strong recommendations in the guidelines, uptake of sacubitril/valsartan has been disappointing...
February 21, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29455335/evaluating-the-safety-and-tolerability-of-sacubitril-valsartan-for-hfref-managed-within-a-pharmacist-clinic
#17
Elizabeth K Pogge, Lindsay E Davis
OBJECTIVE: The objective of this research was to describe the use of pharmacist-managed sacubitril/valsartan therapy in a multi-center, outpatient cardiac group. BACKGROUND: Sacubitril/valsartan, an angiotensin receptor-neprilysin inhibitor (ARNi), is a novel agent for the treatment of heart failure. An ARNi is recommended by national guidelines to be used in place of angiotensin-converting enzyme inhibitor (ACEi) or angiotensin receptor blocker (ARB) therapy for patients who remain symptomatic...
April 2018: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/29440592/-eligulum-a-regulates-lateral-branch-and-leaf-development-in-barley
#18
Ron J Okagaki, Allison Haaning, Hatice Bilgic, Shane Heinen, Arnis Druka, Micha Bayer, Robbie Waugh, Gary J Muehlbauer
The shoot apical and axillary meristems control shoot development, effectively influencing lateral branch and leaf formation. The barley ( Hordeum vulgare ) uniculm2 ( cul2 ) mutation blocks axillary meristem development, and mutant plants lack lateral branches (tillers) that normally develop from the crown. A genetic screen for cul2 suppressors recovered two recessive alleles of ELIGULUM-A ( ELI-A ) that partially rescued the cul2 tillering phenotype. Mutations in ELI-A produce shorter plants with fewer tillers and disrupt the leaf blade-sheath boundary, producing liguleless leaves and reduced secondary cell wall development in stems and leaves...
April 2018: Plant Physiology
https://www.readbyqxmd.com/read/29431251/effect-of-sacubitril-valsartan-on-recurrent-events-in-the-prospective-comparison-of-arni-with-acei-to-determine-impact-on-global-mortality-and-morbidity-in-heart-failure-trial-paradigm-hf
#19
Ulrik M Mogensen, Jianjian Gong, Pardeep S Jhund, Li Shen, Lars Køber, Akshay S Desai, Martin P Lefkowitz, Milton Packer, Jean L Rouleau, Scott D Solomon, Brian L Claggett, Karl Swedberg, Michael R Zile, Guenther Mueller-Velten, John J V McMurray
AIMS: Recurrent hospitalizations are a major part of the disease burden in heart failure (HF), but conventional analyses consider only the first event. We compared the effect of sacubitril/valsartan vs. enalapril on recurrent events, incorporating all HF hospitalizations and cardiovascular (CV) deaths in PARADIGM-HF, using a variety of statistical approaches advocated for this type of analysis. METHODS AND RESULTS: In PARADIGM-HF, a total of 8399 patients were randomized and followed for a median of 27 months...
April 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29422618/large-uniaxial-magnetostriction-with-sign-inversion-at-the-first-order-phase-transition-in-the-nanolaminated-mn-2-gac-max-phase
#20
Iuliia P Novoselova, Andrejs Petruhins, Ulf Wiedwald, Árni Sigurdur Ingason, Thomas Hase, Fridrik Magnus, Vassilios Kapaklis, Justinas Palisaitis, Marina Spasova, Michael Farle, Johanna Rosen, Ruslan Salikhov
In 2013, a new class of inherently nanolaminated magnetic materials, the so called magnetic MAX phases, was discovered. Following predictive material stability calculations, the hexagonal Mn2 GaC compound was synthesized as hetero-epitaxial films containing Mn as the exclusive M-element. Recent theoretical and experimental studies suggested a high magnetic ordering temperature and non-collinear antiferromagnetic (AFM) spin states as a result of competitive ferromagnetic and antiferromagnetic exchange interactions...
February 8, 2018: Scientific Reports
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