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inotropics in heart failure

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https://www.readbyqxmd.com/read/28376837/heartmate-3-fully-magnetically-levitated-left-ventricular-assist-device-for-the-treatment-of-advanced-heart-failure-1%C3%A2-year-results-from-the-ce-mark-trial
#1
Thomas Krabatsch, Ivan Netuka, Jan D Schmitto, Daniel Zimpfer, Jens Garbade, Vivek Rao, Michiel Morshuis, Friedhelm Beyersdorf, Silvana Marasco, Laura Damme, Yuriy Pya
BACKGROUND: The HeartMate 3 Left Ventricular Assist System (LVAS) (St. Jude Medical Inc., St Paul, MN) with full magnetic levitation allows for wide and consistent blood flow paths and an artificial pulse designed for enhanced hemocompatibility. The HeartMate 3 received market approval in the European Union in 2015 following completion of a multicenter study. After reaching the 6-month study endpoint, patients continue to be followed for 2 years with the 1-year results presented herein...
April 4, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28371822/elabela-apj-axis-protects-from-pressure-overload-heart-failure-and-angiotensin-ii-induced-cardiac-damage
#2
Teruki Sato, Chitose Sato, Ayumi Kadowaki, Hiroyuki Watanabe, Lena Ho, Junji Ishida, Tomokazu Yamaguchi, Akinori Kimura, Akiyoshi Fukamizu, Josef M Penninger, Bruno Reversade, Hiroshi Ito, Yumiko Imai, Keiji Kuba
Aims: : Elabela/Toddler/Apela (ELA) has been identified as a novel endogenous peptide ligand for APJ/Apelin receptor/Aplnr. ELA plays a crucial role in early cardiac development of zebrafish as well as in maintenance of self-renewal of human embryonic stem cells. Apelin was the first identified APJ ligand, and exerts positive inotropic heart effects and regulates the renin-angiotensin system. The aim of this study was to investigate the biological effects of ELA in the cardiovascular system...
March 23, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28371247/ivabradine-current-and-future-treatment-of-heart-failure
#3
Lene Thorup, Ulf Simonsen, Daniela Grimm, Elise Røge Hedegaard
In heart failure (HF), the heart cannot pump blood efficiently and is therefore unable to meet the body's demands of oxygen, and/or there is increased end diastolic pressure. Current treatments for heart failure with reduced ejection fraction (HFrEF) include angiotensin-converting enzyme (ACE)-inhibitors, angiotension receptor type 1 (AT1 ) antagonists, β-adrenoceptor-antagonists, aldosterone receptor antagonists, diuretics, digoxin and a combination drug with AT1 receptor antagonist and neprilysin inhibitor...
April 2, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28348102/acute-peritoneal-dialysis-in-patients-with-acute-kidney-injury
#4
Seong Cho, Sung-Rok Kim, Yu-Ji Lee
♦ Background: The purpose of this study was to evaluate the efficacy, complications, and mortality rate associated with acute peritoneal dialysis (PD) in patients with acute kidney injury (AKI). ♦ Methods: A total of 75 patients who were treated at Samsung Changwon Hospital between February 2005 and March 2016 were included in the study sample. The outcomes included in-hospital survival, renal recovery, metabolic and fluid control rates, and technical success rates. ♦ Results: Refractory heart failure was the most frequent cause of acute PD (49...
March 27, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28341544/echocardiographic-assessment-of-right-ventricular-function-in-routine-practice-which-parameters-are-useful-to-predict-one-year-outcome-in-advanced-heart-failure-patients-with-dilated-cardiomyopathy
#5
Takayuki Kawata, Masao Daimon, Koichi Kimura, Tomoko Nakao, Seitetsu L Lee, Megumi Hirokawa, Tomoko S Kato, Masafumi Watanabe, Yutaka Yatomi, Issei Komuro
BACKGROUND: Right ventricular (RV) function has recently gained attention as a prognostic predictor of outcome even in patients who have left-sided heart failure. Since several conventional echocardiographic parameters of RV systolic function have been proposed, our aim was to determine if any of these parameters (tricuspid annular plane systolic excursion: TAPSE, tissue Doppler derived systolic tricuspid annular motion velocity: S', fractional area change: FAC) are associated with outcome in advanced heart failure patients with dilated cardiomyopathy (DCM)...
March 21, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28336302/-vasopressors-and-inotropes-use-in-pediatrics
#6
Adrián García-Canales, Rocío Alejandra Peña-Juárez, Luz de María Sandoval-Franco
The cardiovascular system is a dynamic system whose function is to ensure adequate delivery of oxygen, nutrients and hormones to the tissues, necessary for cell metabolism, also synthesizes and modifies vasoactive components to regulate vascular tone and myocardial function. These components have become critical in the management of pediatric patients in critical condition with heart failure and shock which has proven its beneficial effects, however its use and abuse brings harmful effects, increase mortality, associated with arrhythmias and increase myocardial oxygen consumption favoring the presence of ischemia, therefore is necessary to know the mechanism of action and indications of these drugs to minimize the harmful effects...
March 20, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/28325140/vitamins-in-heart-failure-friend-or-enemy
#7
George Georgiopoulos, Christina Chrysohoou, Georgia Vogiatzi, Nikolaos Magkas, Ippokratis Bournelis, Sofia Bampali, Damien Gruson, Dimitris Tousoulis
BACKGROUND: The failing heart is characterized by a depleted metabolic energy reserve and the up-regulation of several molecular mechanisms leading to cardiac hypertrophy, inflammation, fibrosis, angiogenesis, and apoptosis. Dietary or non-dietary supplementation of vitamins could potentially benefit energy balance. OBJECTIVE: The objective of the present study was to evaluate all available information on vitamins supplementation in patients with chronic HF for possible beneficial effect on metabolic, inotropic, chronotropic and hemodynamic indices...
March 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28315072/direct-myosin-activation-by-omecamtiv-mecarbil-for-heart-failure-with-reduced-ejection-fraction
#8
Mitchell A Psotka, John R Teerlink
Myosin is the indispensable molecular motor that utilizes chemical energy to produce force for contraction within the cardiac myocyte. Myosin activity is gated by intracellular calcium levels which are regulated by multiple upstream signaling cascades that can be altered for clinical utility using inotropic medications. In contrast to clinically available cardiac inotropes, omecamtiv mecarbil is a novel direct myosin activator developed to augment left ventricular systolic function without the undesirable secondary effects of altered calcium homeostasis...
March 18, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28295363/angiotensin-ii-activates-cav-1-2-ca-2-channels-through-%C3%AE-arrestin2-and-casein-kinase-2-in-mouse-immature-cardiomyocytes
#9
Toshihide Kashihara, Tsutomu Nakada, Katsuhiko Kojima, Toshikazu Takeshita, Mitsuhiko Yamada
KEY POINTS: Angiotensin II (AngII) is crucial in cardiovascular regulation in perinatal mammalians. Here we show that AngII increases twitch Ca(2+) transients of mouse immature but not mature cardiomyocytes by robustly activating CaV 1.2 L-type Ca(2+) channels through a novel signalling pathway involving angiotensin type 1 (AT1 ) receptors, β-arrestin2 and casein kinase 2. A β-arrestin-biased AT1 receptor agonist, TRV027, was as effective as AngII in activating L-type Ca(2+) channels...
March 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28276970/advances-in-chemical-pharmacotherapy-for-managing-acute-decompensated-heart-failure
#10
REVIEW
Srikanth Yandrapalli, Sohaib Tariq, Wilbert S Aronow
Acute decompensated heart failure (ADHF) contributes largely to the burden of heart failure and is associated with a poorer prognosis. Although numerous clinical trials evaluated the benefit of newer medications for ADHF, most of them were not successful. Areas covered: This review focusses on the updates on recent developments in chemical pharmacotherapy for the management of ADHF. A MEDLINE search for relevant review articles and original investigations on newer drugs for ADHF provided us with necessary literature...
April 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28274560/antithrombin-iii-is-associated-with-acute-liver-failure-in-patients-with-end-stage-heart-failure-undergoing-mechanical-circulatory-support
#11
Judith Hoefer, Hanno Ulmer, Juliane Kilo, Raimund Margreiter, Michael Grimm, Peter Mair, Elfriede Ruttmann
OBJECTIVE: There are few data on the role of liver dysfunction in patients with end-stage heart failure supported by mechanical circulatory support. The aim of our study was to investigate predictors for acute liver failure in patients with end-stage heart failure undergoing mechanical circulatory support. METHODS: A consecutive 164 patients with heart failure with New York Heart Association class IV undergoing mechanical circulatory support were investigated for acute liver failure using the King's College criteria...
February 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28258242/successful-cardiac-transplantation-outcomes-in-patients-with-adult-congenital-heart-disease
#12
Jonathan N Menachem, Jessica R Golbus, Maria Molina, Jeremy A Mazurek, Nicole Hornsby, Pavan Atluri, Stephanie Fuller, Edo Y Birati, Yuli Y Kim, Lee R Goldberg, Joyce W Wald
OBJECTIVES: The purpose of our study is (1) to characterise patients with congenital heart disease undergoing heart transplantation by adult cardiac surgeons in a large academic medical centre and (2) to describe successful outcomes associated with our multidisciplinary approach to the evaluation and treatment of adults with congenital heart disease (ACHD) undergoing orthotopic heart transplantation (OHT). BACKGROUND: Heart failure is the leading cause of death in patients with ACHD leading to increasing referrals for OHT...
March 3, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28248808/continuous-intravenous-milrinone-therapy-in-pediatric-outpatients
#13
Michelle Curley, Jill Liebers, Roy Maynard
Milrinone is a phosphodiesterase 3 inhibitor with both positive inotropic and vasodilator properties. Administered as a continuous infusion, milrinone is indicated for the short-term treatment of patients with acute decompensated heart failure. Despite limited data supporting long-term milrinone therapy in adults with congestive heart failure, children managed as outpatients may benefit from continuous milrinone as a treatment for cardiac dysfunction, as a destination therapy for cardiac transplant, or as palliative therapy for cardiomyopathy...
March 2017: Journal of Infusion Nursing: the Official Publication of the Infusion Nurses Society
https://www.readbyqxmd.com/read/28202884/neurohumoral-modulation-during-waon-therapy-in-chronic-heart-failure%C3%A3-subanalysis-of-waon-chf-study
#14
Tomoko Ichiki, John C Burnett, Christopher G Scott, Denise M Heublein, Masaaki Miyata, Koichiro Kinugawa, Teruo Inoue, Chuwa Tei
BACKGROUND: Heart failure (HF) is a disease of neurohumoral dysfunction and current pharmacological therapies for HF have not improved mortality rates, thus requiring additional new strategies. Waon therapy for HF patients may be a complementary strategy with peripheral vasodilation via nitric oxide. We hypothesized that Waon therapy would improve neurohumoral factors, such as natriuretic peptides (NP) and the renin-angiotensin-aldosterone system (RAAS) in HF.Methods and Results:Plasma samples were collected from patients enrolled in the WAON-CHF Study (Waon therapy (n=77) or control (n=73)) before and after the treatment...
February 16, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28198133/left-ventricular-assist-device-therapy-in-advanced-heart-failure-patient-selection-and-outcomes
#15
REVIEW
Finn Gustafsson, Joseph G Rogers
Despite improvements in pharmacological therapy and pacing, prognosis in advanced heart failure (HF) remains poor, with a 1-year mortality of 25-50%. While heart transplantation provides excellent survival and quality of life for eligible patients, only a few can be offered this treatment due to shortage of donor organs. Implantable left ventricular assist device (LVAD) technology has improved considerably, and the currently used continuous flow devices may last >10 years in a patient. LVADs are being used increasingly both as bridge-to-transplantation and as destination therapy...
February 15, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28197279/a-sudden-change-of-heart-a-case-of-rapidly-reversed-stress-cardiomyopathy-in-a-critically-ill-patient
#16
Michael I Brener, Ali R Keramati, Marek A Mirski, Oscar H Cingolani
We report the case of a 79-year-old woman who presented to our hospital for elective removal of an infratentorial meningioma and suffered a periprocedural cardiac arrest. Shortly after uncomplicated induction of anesthesia prior to the surgery, the patient became hypotensive and bradycardic, culminating ultimately in a cardiac arrest with pulseless electrical activity. Return of spontaneous circulation occurred within 90 seconds of arrest, but the patient remained dependent on maximal doses of epinephrine and dopamine for hemodynamic support...
June 2016: Cardiology Research
https://www.readbyqxmd.com/read/28197053/large-in-transient-left-ventricular-thrombus-due-to-anabolic-steroid-induced-cardiomyopathy
#17
Feridoun Sabzi, Reza Faraji
The presence of small or moderate size thrombosis is not uncommon in left ventricle (LV) as results of basic co-moribund disease, but huge LV thrombosis that protrudes to aortic valve in the LV outflow tract (LVOT) tract is an exceptionally rare phenomenon. We report a 34-year-old bodybuilder athlete with cardiomyopathy and massive LV thrombosis. The thrombosis extended to LVOT and protruded through the aortic valve in systole and posed a high risk of systemic emboli. The patient underwent open heart surgery, and the clot was removed...
January 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28190602/prevention-of-acute-kidney-injury-in-intensive-care-units
#18
S Mas-Font, J Ros-Martinez, C Pérez-Calvo, P Villa-Díaz, S Aldunate-Calvo, E Moreno-Clari
Acute kidney injury (AKI) is a growing concern in Intensive Care Units. The advanced age of our patients, with the increase in associated morbidity and the complexity of the treatments provided favor the development of AKI. Since no effective treatment for AKI is available, all efforts are aimed at prevention and early detection of the disorder in order to establish secondary preventive measures to impede AKI progression. In critical patients, the most frequent causes are sepsis and situations that result in renal hypoperfusion; preventive measures are therefore directed at securing hydration and correct hemodynamics through fluid perfusion and the use of inotropic or vasoactive drugs, according to the underlying disease condition...
March 2017: Medicina Intensiva
https://www.readbyqxmd.com/read/28170359/targeting-%C3%AE-3-adrenergic-receptors-in-the-heart-selective-agonism-and-%C3%AE-blockade
#19
Alessandro Cannavo, Walter J Koch
Cardiac diseases, such as heart failure, remain leading causes of morbidity and mortality worldwide, with myocardial infarction as the most common etiology. HF is characterized by β-adrenergic receptor (βAR) dysregulation that is primarily due to the upregulation of G protein-coupled receptor kinases that leads to overdesensitization of β1 and β2ARs, and this clinically manifests as a loss of inotropic reserve. Interestingly, the "minor" βAR isoform, the β3AR, found in the heart, lacks G protein-coupled receptor kinases recognition sites, and is not subject to desensitization, and as a consequence of this, in human failing myocardium, the levels of this receptor remain unchanged or are even increased...
February 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28167635/defined-engineered-human-myocardium-with-advanced-maturation-for-applications-in-heart-failure-modelling-and-repair
#20
Malte Tiburcy, James E Hudson, Paul Balfanz, Susanne F Schlick, Tim Meyer, Mei-Ling Chang Liao, Elif Levent, Farah Raad, Sebastian Zeidler, Edgar Wingender, Johannes Riegler, Mouer Wang, Joseph D Gold, Itzhak Kehat, Erich Wettwer, Ursula Ravens, Pieterjan Dierickx, Linda van Laake, Marie-José Goumans, Sara Khadjeh, Karl Toischer, Gerd Hasenfuss, Larry A Couture, Andreas Unger, Wolfgang A Linke, Toshiyuki Araki, Benjamin Neel, Gordon Keller, Lior Gepstein, Joseph C Wu, Wolfram-Hubertus Zimmermann
BACKGROUND: -Advancing structural and functional maturation of stem cell-derived cardiomyocytes remains a key challenge for applications in disease modelling, drug screening, and heart repair. Here, we sought to advance cardiomyocyte maturation in engineered human myocardium (EHM) towards an adult phenotype under defined conditions. METHODS: -We systematically investigated cell composition, matrix and media conditions to generate EHM from embryonic and induced pluripotent stem cell-derived cardiomyocytes and fibroblasts with organotypic functionality under serum-free conditions...
February 6, 2017: Circulation
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