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https://www.readbyqxmd.com/read/29759295/effect-of-acute-kidney-injury-after-percutaneous-mitral-valve-repair-on-outcome
#1
Maximilian Spieker, Katharina Hellhammer, Stratis Katsianos, Julian Wiora, Tobias Zeus, Patrick Horn, Malte Kelm, Ralf Westenfeld
Limited data exist on the occurrence of acute kidney injury (AKI) associated with percutaneous mitral valve repair (PMVR). The objectives of the present study were (1) to assess the prevalence of AKI after MitraClip (Abbott Vascular, Santa Clara, California) implantation, (2) to analyze the predictive factors of AKI, and (3) to evaluate the prognostic value of AKI after PMVR with a view to optimizing the management of high-risk patients. A total of 206 patients (serum creatinine [SCr] 1.3 ± 0.6 mg/dl, estimated glomerular filtration rate 55 ± 24 ml/min) who underwent PMVR were included...
April 17, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29732333/quality-assessment-of-zeus-faber-peter-s-fish-ovaries-regularly-commercialized-for-human-consumption
#2
Filippo Giarratana, Graziella Ziino, Valerio D'Andrea, Antonio Panebianco, Alessandro Giuffrida
In the last few years, the consumption of fish eggs has increased rapidly, finding widespread use also in mass catering. This increase has involved also those of the Peter's fish ( Zeus faber ). Females of this species, by their reproductive characteristics, have highly developed gonads in different periods of the year, making the raw material easy to find. The aim of the present study was to perform a quality assessment of Zeus faber ovaries regularly commercialized for human consumption. A total number of 34 samples, divided in fresh (11) and frozen (23), were processed for microbiological characterization, parasitological and histological evaluations...
March 31, 2018: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/29600012/prime-time-for-the-sweet-spot-in-timing-of-coronary-invasive-approach-in-patients-with-non-st-elevation-myocardial-infarction
#3
EDITORIAL
Eliano P Navarese, Bernhard Wernly, Michael Lichtenauer, Martino Pepe, Wojciech Wanha, Giuseppe Ferrante, Lara Frediani, Verena Veulemans, Tobias Zeus, Ralf Westenfeld, Christian Jung, Paul A Gurbel
No abstract text is available yet for this article.
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29596979/hemispheric-asymmetry-and-homotopy-of-resting-state-functional-connectivity-correlate-with-visuospatial-abilities-in-school-age-children
#4
Zeus Gracia-Tabuenca, Martha B Moreno, Fernando A Barrios, Sarael Alcauter
Hemispheric specialization of cognitive functions is a developmental process that shapes the brain from the gestational stage to adulthood. Functional connectivity of the resting brain has been largely used to infer the hemispheric organization of the spontaneous brain activity. In particular, two main properties have been largely explored throughout development: hemispheric asymmetry of functional connectivity and homotopic functional connectivity. However, their relation with specific cognitive processes typically associated with hemispheric specialization, such as visuospatial abilities, remains largely unexplored...
March 26, 2018: NeuroImage
https://www.readbyqxmd.com/read/29544957/perioperative-aspirin-therapy-in-non-cardiac-surgery-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#5
Georg Wolff, Eliano Pio Navarese, Maximilian Brockmeyer, Yingfeng Lin, Athanasios Karathanos, Michalina Kołodziejczak, Jacek Kubica, Amin Polzin, Tobias Zeus, Ralf Westenfeld, Felicita Andreotti, Malte Kelm, Volker Schulze
No abstract text is available yet for this article.
May 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29512292/platelet-function-testing-dead-or-alive
#6
C Helten, D Naguib, L Dannenberg, M Pöhl, A Ayhan, T Hohlfeld, B Levkau, M Kelm, T Zeus, A Polzin
Essentials Pharmacodynamic response to antiplatelet medication is heterogeneous. Platelet reactivity to dual antiplatelet therapy was analyzed by three platelet function assays. The prevalence of high and low platelet reactivity differed significantly between assays. Future trials are needed to determine the best assay to analyze platelet function. SUMMARY: Background High on-treatment platelet reactivity (HTPR) to antiplatelet medication leads to ischemic events, whereas low on-treatment platelet reactivity (LTPR) increases bleeding risk...
May 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29500568/patent-foramen-ovale-closure-or-medical-therapy-for-cryptogenic-ischemic-stroke-an-updated-meta-analysis-of-randomized-controlled-trials
#7
Volker Schulze, Yingfeng Lin, Athanasios Karathanos, Maximilian Brockmeyer, Tobias Zeus, Amin Polzin, Stefan Perings, Malte Kelm, Georg Wolff
BACKGROUND: Previous randomized controlled trials (RCT) failed to demonstrate benefits of patent foramen ovale (PFO) closure (PFO-C) over medical therapy (MT) for secondary prevention of cryptogenic ischemic stroke. Three recently published RCTs, however, turned out positive for PFO-C and warrant an updated meta-analysis. METHODS: Data from all available RCTs on PFO-C vs. MT for secondary prevention of cryptogenic ischemic stroke up until October 2017 were abstracted and analyzed in a comprehensive meta-analysis...
March 2, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29485111/sisyphus-desperately-seeking-publisher
#8
Antoinette Molinie, Geoffrey Bodenhausen
As a punishment for his trickery, King Sisyphus was made to endlessly roll a huge boulder up a steep hill. The maddening nature of the punishment was reserved for King Sisyphus due to his hubristic belief that his cleverness surpassed that of Zeus himself. Today's scientists also pay a heavy price for their hubris and narcissism. They try to trick the editors of a few 'top' journals by peppering their papers with glitter and 'bling-bling', making overblown promises, and giving minimal credit to their predecessors...
March 2018: Journal of Biosciences
https://www.readbyqxmd.com/read/29352008/incidence-predictors-and-clinical-outcomes-of-residual-stenosis-after-aortic-valve-in-valve
#9
Sabine Bleiziffer, Magdalena Erlebach, Matheus Simonato, Philippe Pibarot, John Webb, Lukas Capek, Stephan Windecker, Isaac George, Jan-Malte Sinning, Eric Horlick, Massimo Napodano, David M Holzhey, Petur Petursson, Alfredo Cerillo, Nikolaos Bonaros, Enrico Ferrari, Mauricio G Cohen, Giselle Baquero, Tara L Jones, Ankur Kalra, Michael J Reardon, Adnan Chhatriwalla, Vasco Gama Ribeiro, Sami Alnasser, Nicolas M Van Mieghem, Christian Jörg Rustenbach, Joachim Schofer, Santiago Garcia, Tobias Zeus, Didier Champagnac, Raffi Bekeredjian, Ran Kornowski, Rüdiger Lange, Danny Dvir
OBJECTIVE: We aimed to analyse the incidence of prosthesis-patient mismatch (PPM) and elevated gradients after aortic valve in valve (ViV), and to evaluate predictors and associations with clinical outcomes of this adverse event. METHODS: A total of 910 aortic ViV patients were investigated. Elevated residual gradients were defined as ≥20 mm Hg. PPM was identified based on the indexed effective orifice area (EOA), measured by echocardiography, and patient body mass index (BMI)...
January 19, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29304185/high-body-mass-index-is-a-risk-factor-for-difficult-deep-sedation-in-percutaneous-mitral-valve-repair
#10
Katharina Hellhammer, Shazia Afzal, Renate Tigges, Maximilian Spieker, Tienush Rassaf, Tobias Zeus, Ralf Westenfeld, Malte Kelm, Patrick Horn
BACKGROUND: The safety and efficacy of deep sedation (DS) in MitraClip® procedures have been shown previously. However, clinical experience demonstrates that in some patients DS is difficult to achieve. We hypothesize that some patient characteristics can predict difficult DS. METHODS: We prospectively analysed 69 patients undergoing MitraClip® procedures using DS. Application of DS was graded as simple (group 1) or difficult (group 2) depending on a cumulative score based on one point for each of the following criteria: decrease in oxygen saturation, retention of carbon dioxide, disruptive body movements, and the need for catecholamines...
2018: PloS One
https://www.readbyqxmd.com/read/29302939/transcatheter-aortic-valve-implantation-in-high-risk-inoperable-patients-repositionable-versus-non-repositionable-self-expanding-valve
#11
Verena Veulemans, Dagmar B Sötemann, Laura Kleinebrecht, Stefanie Keymel, Christian Jung, Tobias Zeus, Malte Kelm, Ralf Westenfeld
BACKGROUND AND AIM OF THE STUDY: Although next-generation cardiac prostheses have shown favorable results in transcatheter aortic valve implantation (TAVI), these have mostly been documented in intermediate-risk patients. Whether this could be translated to high-risk patients is not known. Hence, the safety and clinical performance of the new, repositionable CoreValve Evolut R-System (ERS) was evaluated by comparison with a non-repositionable CoreValve-System (CVS), in 96 high-risk/inoperable (HRI) patients...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29238880/in-vitro-performance-of-prefilled-co-2-absorbers-with-the-zeus%C3%A2
#12
Mohab Omer, Jan F A Hendrickx, Simon De Ridder, Alexander De Houwer, Rik Carette, Sofie De Cooman, Andre M De Wolf
Low fresh gas flows (FGFs) decrease the use of anesthetic gases, but increase CO2 absorbent usage. CO2 absorbent usage remains poorly quantified. The goal of this study is to determine canister life of 8 commercially available CO2 absorbent prepacks with the Zeus® . Pre-packed CO2 canisters of 8 different brands were tested in vitro: Amsorb Plus, Spherasorb, LoFloSorb, LithoLyme, SpiraLith, SpheraSorb, Drägersorb 800+, Drägersorb Free, and CO2ntrol. CO2 (160 mL min- 1 ) flowed into the tip of a 2 L breathing bag that was ventilated with a tidal volume of 500 mL, a respiratory rate of 10/min, and an I:E ratio of 1:1 using the controlled mechanical ventilation mode of the Zeus® (Dräger, Lubeck, Germany)...
December 13, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29156680/vemurafenib-resistance-via-de-novo-rbm-genes-mutations-and-chromosome-5-aberrations-is-overcome-by-combined-therapy-with-palbociclib-in-thyroid-carcinoma-with-braf-v600e
#13
Zeus A Antonello, Nancy Hsu, Manoj Bhasin, Giovanni Roti, Mukta Joshi, Paul Van Hummelen, Emily Ye, Agnes S Lo, S Ananth Karumanchi, Christine R Bryke, Carmelo Nucera
Purpose: Papillary thyroid carcinoma (PTC) is the most frequent endocrine tumor. BRAFV600E represents the PTC hallmark and is targeted with selective inhibitors (e.g. vemurafenib). Although there have been promising results in clinical trials using these inhibitors, most patients develop resistance and progress. Tumor clonal diversity is proposed as one mechanism underlying drug resistance. Here we have investigated mechanisms of primary and secondary resistance to vemurafenib in BRAFWT/V600E -positive PTC patient-derived cells with P16-/- (CDKN2A-/- )...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29131082/aspirin-inhibits-platelet-derived-sphingosine-1-phosphate-induced-endothelial-cell-migration
#14
Amin Polzin, Betül Knoop, Andreas Böhm, Lisa Dannenberg, Mark Zurek, Tobias Zeus, Malte Kelm, Bodo Levkau, Bernhard H Rauch
BACKGROUND: Aspirin plays a crucial role in the prevention of cardiovascular diseases. We previously described that aspirin has effects beyond inhibition of platelet aggregation, as it inhibited thrombin-mediated release of sphingosine-1-phosphate (S1P) from human platelets. S1P is a bioactive lipid with important functions on inflammation and apoptosis. In endothelial cells (EC), S1P is a key regulator of cell migration. In this study, we aimed to analyze the effects of aspirin on platelet-induced EC migration...
2018: Pharmacology
https://www.readbyqxmd.com/read/29089383/herg1a-and-herg1b-potassium-channel-subunits-directly-interact-and-preferentially-form-heteromeric-channels
#15
Beth A McNally, Zeus D Pendon, Matthew C Trudeau
Voltage-activated human ether-á-go-go-related gene (hERG) potassium channels are critical for the repolarization of cardiac action potentials and tune-spike frequency adaptation in neurons. Two isoforms of mammalian ERG1 channel subunits, ERG1a and ERG1b, are the principal subunits that conduct the IKr current in the heart and are also broadly expressed in the nervous system. However, there is little direct evidence that ERG1a and ERG1b form heteromeric channels. Here, using electrophysiology, biochemistry, and fluorescence approaches, we systematically tested for direct interactions between hERG1a and hERG1b subunits...
December 29, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28931437/acute-reverse-annular-remodeling-during-mitraclip-%C3%A2-therapy-predicts-improved-clinical-outcome-in-heart-failure-patients-a-3d-echocardiography-study
#16
Theresa Herbrand, Silke Eschenhagen, Tobias Zeus, Eva Kehmeier, Katharina Hellhammer, Verena Veulemans, Malte Kelm, Jan Balzer
BACKGROUND: Transcatheter mitral valve repair (TMVR) has been shown to have acute effects on mitral valve geometry in patients with functional mitral regurgitation (FMR). This study investigates the impact of MitraClip(®) therapy-induced annular remodeling on clinical outcome and mitral regurgitation in heart failure patients. METHODS: TMVR was performed successfully in 45 patients with FMR. In this study, mitral valve datasets were obtained before and directly after MitraClip(®) implantation using three-dimensional (3D) transesophageal echocardiography, and were analyzed offline retrospectively using dedicated 3D reconstruction software...
September 20, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28902429/chirality-sensing-with-stereodynamic-copper-i-complexes
#17
Zeus A De Los Santos, Nicholas M Legaux, Christian Wolf
Three Cu(I) complexes derived from stereodynamic diphosphine ligands were synthesized and used for chirality sensing. The coordination of diamines and amino acids to these complexes generates distinct circular dichroism signals. The chiroptical sensor response allows determination of the absolute configuration and the enantiomeric excess of the analyte at low concentrations. This method is operationally simple, fast, and attractive for high-throughput sensing applications.
November 2017: Chirality
https://www.readbyqxmd.com/read/28806599/resting-state-functional-connectivity-of-the-anterior-striatum-and-prefrontal-cortex-predicts-reading-performance-in-school-age-children
#18
Sarael Alcauter, Liliana García-Mondragón, Zeus Gracia-Tabuenca, Martha B Moreno, Juan J Ortiz, Fernando A Barrios
The current study investigated the neural basis of reading performance in 60 school-age Spanish-speaking children, aged 6 to 9years. By using a data-driven approach and an automated matching procedure, we identified a left-lateralized resting state network that included typical language regions (Wernicke's and Broca's regions), prefrontal cortex, pre- and post-central gyri, superior and middle temporal gyri, cerebellum, and subcortical regions, and explored its relevance for reading performance (accuracy, comprehension and speed)...
November 2017: Brain and Language
https://www.readbyqxmd.com/read/28766956/design-and-synthesis-of-benzopyran-based-inhibitors-of-the-hypoxia-inducible-factor-1-pathway-with-improved-water-solubility
#19
Jalisa H Ferguson, Zeus De Los Santos, Saroja N Devi, Stefan Kaluz, Erwin G Van Meir, Sarah K Zingales, Binghe Wang
While progress has been made in treating cancer, cytotoxic chemotherapeutic agents are still the most widely used drugs and are associated with severe side-effects. Drugs that target unique molecular signalling pathways are needed for treating cancer with low or no intrinsic toxicity to normal cells. Our goal is to target hypoxic tumours and specifically the hypoxia inducible factor (HIF) pathway for the development of new cancer therapies. To this end, we have previously developed benzopyran-based HIF-1 inhibitors such as arylsulfonamide KCN1...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28709768/plasma-sphingosine-1-phosphate-concentrations-are-associated-with-systolic-heart-failure-in-patients-with-ischemic-heart-disease
#20
Amin Polzin, Kerstin Piayda, Petra Keul, Lisa Dannenberg, Annemarie Mohring, Markus Gräler, Tobias Zeus, Malte Kelm, Bodo Levkau
OBJECTIVE: Sphingosine-1-Phosphate (S1P) is a bioactive sphingolipid with important functions in immunity, inflammation and cardiovascular biology. S1P is associated with prevalence and severity of coronary artery disease and myocardial infarction. However, its relevance in ischemic cardiomyopathy is unknown. We aimed to investigate associations of plasma S1P and other sphingolipids with the extent of heart failure in patients with ischemic heart disease. METHODS AND RESULTS: 74 patients with ischemic heart disease were investigated in this observational study...
September 2017: Journal of Molecular and Cellular Cardiology
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