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Reduced ejection fraction

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https://www.readbyqxmd.com/read/28724134/association-of-implantable-cardioverter-defibrillators-with-survival-in-patients-with-and-without-improved-ejection-fraction-secondary-analysis-of-the-sudden-cardiac-death-in-heart-failure-trial
#1
Selcuk Adabag, Kristen K Patton, Alfred E Buxton, Thomas S Rector, Kristine E Ensrud, Kairav Vakil, Wayne C Levy, Jeanne E Poole
Importance: Improvement in left ventricular ejection fraction (EF) to >35% occurs in many patients with reduced EF at baseline. To our knowledge, whether implantable cardioverter defibrillator (ICD) therapy improves survival for these patients is unknown. Objective: To examine the efficacy of ICD therapy in reducing risk of all-cause mortality and sudden cardiac death among patients with an EF ≤35% at baseline, with or without an improvement in EF to >35% during follow-up...
July 1, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28720602/a-reminder-of-escherichia-coli-sepsis-induced-reversible-cardiomyopathy
#2
Aung Naing Lin, Atif Shaikh, Sithu Lin, Deepika Misra
Cardiomyopathy is a progressive disease of myocardium causing either mechanical or electrical disturbances. Sepsis-induced cardiomyopathy (SICM) is an entity of cardiomyopathy which is reversible in 1â€"2 weeks after recovery from sepsis or septic shock. SICM is thought to have unpredictable cumulative mortality towards sepsis but its exact mechanism remains elusive. We report a case of Escherichia coli SICM in a 63-year-old woman presented with sudden onset of dyspnoea on exertion and orthopnoea following nausea, vomiting and diarrhoea after consuming Chinese foods...
July 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28720396/pituitary-adenylate-cyclase-activating-polypeptide-pacap-protects-against-mitoxantrone-induced-cardiac-injury-in-mice
#3
Venkat Subramaniam, Gin Chuang, Huijing Xia, Brendan Burn, Jessica Bradley, Jerome L Maderdrut, David H Coy, Kurt J Varner
Mitoxantrone (MXT) is an androstenedione that is used to treat cancers and progressive forms of multiple sclerosis; however, its use is limited by its cardiotoxicity. Pituitary adenylate cyclase activating polypeptide (PACAP) is a member of the secretin/growth hormone-releasing hormone/vasoactive intestinal peptide family and has many functions, including cytoprotection and immunosuppression. We tested the hypothesis that PACAP can protect against MXT-induced cardiotoxicity in mice. Female BALB/c mice were treated once weekly for 4 weeks with saline (n=14) or MXT (3mg/kg, i...
July 15, 2017: Peptides
https://www.readbyqxmd.com/read/28715068/severe-mitral-regurgitation-is-associated-with-increased-copeptin-levels-in-heart-failure-with-reduced-ejection-fraction
#4
Alven Kılıcgedık, Elıf Eroglu, Gokhan Kahvecı, Khaganı Isgandarov, Emrah Acar, Semi Ozturk, Regayip Zehir, Seyhmus Kulahcıoglu, Cuneyt Toprak, Ali Yaman, Ibrahım Akın Izgı, Cevat Kirma
BACKGROUND AND AIM: The objective of this study was to assess the potential role of mitral regurgitation (MR) in the release of copeptin in HF patients with reduced ejection fraction (HFREF). METHODS: The study included 63 patients of whom 33 had functional mild MR (Group 1) and 30 had functional severe MR (Group 2).The functional classes of the groups were both NYHA Class III. Blood samples for the determination of plasma copeptin and B-type natriuretic peptide (BNP) levels were obtained at the same day with the echocardiographic examination...
July 17, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28714796/effect-of-bariatric-surgery-on-heart-failure
#5
Marcela Rodriguez Flores, Carlos Aguilar Salinas, Marie-Eve Piché, Audrey Auclair, Paul Poirier
Obesity increases the risk of heart failure (HF), which continues to be a significant proportion of all cardiovascular diseases and affects increasingly younger populations. The cross-talk between adipose and the heart involves insulin resistance, adipokine signaling and inflammation, with the capacity of adipose tissue to mediate hemodynamic signals, promoting progressive cardiomyopathy. Areas covered: From a therapeutic perspective, there is not yet a single obesity-related pathway that when addressed, can ameliorate cardiomyopathy in obese patients and this is a matter of ongoing research...
July 17, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28712998/brain-natriuretic-peptide-mediates-the-prognostic-role-of-renal-function-towards-10-year-cardiovascular-mortality-in-patients-with-acute-coronary-syndrome-the-hhf-study-2006-2016
#6
Christina Chrysohoou, George Georgiopoulos, Hara Kosyfa, Ioanna Kotsopoulou Haritou, Matina Kouvari, Androniki Filippou, Stelios Iosifidis, Eleftherios Tsiamis, Panagiotis Aggelopoulos, Christos Pitsavos, Dimitris Tousoulis
BACKGROUND/INTRODUCTION: Risk stratification in chronic heart failure (HF) remains a challenge. Renal function and B-natriuretic peptide (BNP) might confer predictive value towards long-term mortality in HF patients after an acute coronary syndrome (ACS). METHODS: From May 2006 to March 2009, 1,000 consecutive patients who were hospitalized with ACS diagnosis were enrolled in the study. In 2016, the 10-year follow-up (2006-2016) was performed in 745 participants...
July 13, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28712580/single-dose-del-nido-cardioplegia-in-minimally-invasive-aortic-valve-surgery
#7
Daniel Ziazadeh, Regina Mater, Ben Himelhoch, Andrew Borgman, Jessica L Parker, Charles L Willekes, Tomasz A Timek
BACKGROUND: The del Nido cardioplegia (DC) procedure offers prolonged cardiac protection with single-dose administration and has proven safe in adult coronary artery bypass grafting (CABG) surgery. We set out to evaluate the efficacy of cardiac protection and clinical outcomes of DC versus standard blood cardioplegia (BC) in minimally invasive aortic valve surgery. METHODS: Between August 2011 and May 2016, 178 patients underwent minimally invasive aortic valve replacement (AVR) with BC (n = 101) or DC (n = 77)...
June 12, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28712562/abnormal-right-atrial-performance-in-repaired-tetralogy-of-fallot-a-cmr-feature-tracking-analysis
#8
Shelby Kutty, Quanliang Shang, Navya Joseph, Johannes T Kowallick, Andreas Schuster, Michael Steinmetz, David A Danford, Phillip Beerbaum, Samir Sarikouch
BACKGROUND: We hypothesized that right atrial (RA) performance is abnormal in repaired tetralogy of Fallot (TOF). METHODS: TOF patients were prospectively enrolled for cardiovascular magnetic resonance (CMR), echocardiography and exercise stress following a standardized 14-center protocol. Peak RA longitudinal strain (RALS) and right ventricular longitudinal strain (RVLS) were measured using CMR feature tracking (FT) and correlated to RA and RV end diastolic volumes (EDVi) and ejection fraction (EF)...
July 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28712561/head-to-head-comparison-of-intact-and-c-terminal-fibroblast-growth-factor-23-in-heart-failure-patients-with-reduced-ejection-fraction
#9
Damien Gruson, Benjamin Ferracin, Sylvie A Ahn, Michel F Rousseau
No abstract text is available yet for this article.
July 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28712539/chronic-treatment-with-angiotensin-converting-enzyme-inhibitor-increases-cardiac-fibrosis-in-young-rats-submitted-to-early-ovarian-failure
#10
Sabrina Graziani Veloso Dutra, Ana Carolina Sanches Felix, Ada Clarice Gastaldi, Tábata De Paula Facioli, Suenimeire Vieira, Hugo Celso Dutra De Souza
BACKGROUND: We investigated whether the treatment with enalapril maleate, combined with aerobic physical training, promotes positive effects on the autonomic balance, the morphology and the cardiac function in female rats submitted to early ovarian failure. METHODS: Thirty-five female Wistar rats, ovariectomized at 10weeks of age, were assigned into Ovariectomized rats (OVX) and Ovariectomized rats treated with enalapril maleate (OVX-EM, 10mg(-1)·kg(-1)·d(-1)) Each group was subdivided into sedentary and trained (aerobic swimming training for 10weeks)...
July 10, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28711451/atrial-fibrillation-in-heart-failure-with-preserved-mid-range-and-reduced-ejection-fraction
#11
Ulrik Sartipy, Ulf Dahlström, Michael Fu, Lars H Lund
OBJECTIVES: The study sought to assess the independent risk factors for, consequences of, and outcomes with atrial fibrillation (AF) compared with sinus rhythm (SR) in heart failure (HF) with preserved ejection fraction (HFpEF) versus HF with mid-range ejection fraction (HFmrEF) versus HF with reduced ejection fraction (HFrEF). BACKGROUND: AF is common in HF, but most data are from HFrEF. The importance of AF in HFpEF and MFmrEF is less well known. METHODS: In patients from 2000 to 2012 in the SwedeHF (Swedish Heart Failure Registry) registry, enriched with patient-level data from national health care registries, the authors assessed prevalence of, associations with and prognostic impact of AF in HFpEF versus HFmrEF versus HFrEF...
July 6, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28711449/intrarenal-flow-alterations-during-transition-from-euvolemia-to-intravascular-volume-expansion-in-heart-failure-patients
#12
Petra Nijst, Pieter Martens, Matthias Dupont, W H Wilson Tang, Wilfried Mullens
OBJECTIVES: The goal of this study was to assess: 1) the intrarenal flow in heart failure (HF) patients during the transition from euvolemia to intravascular volume overload; and 2) the relationship between intrarenal flow and diuretic efficiency. BACKGROUND: Intrarenal blood flow alterations may help to better understand impaired volume handling in HF. METHODS: Resistance index (RI) and venous impedance index (VII) were assessed in 6 healthy subjects, 40 euvolemic HF patients with reduced ejection fraction (HFrEF) and 10 HF patients with preserved ejection fraction (HFpEF)...
July 6, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28711447/the-transition-from-hypertension-to%C3%A2-heart%C3%A2-failure-contemporary-update
#13
REVIEW
Franz H Messerli, Stefano F Rimoldi, Sripal Bangalore
Longstanding hypertension ultimately leads to heart failure (HF), and as a consequence most patients with HF have a history of hypertension. Conversely, absence of hypertension in middle age is associated with lower risks for incident HF across the remaining life course. Cardiac remodeling to a predominant pressure overload consists of diastolic dysfunction and concentric left ventricular (LV) hypertrophy. When pressure overload is sustained, diastolic dysfunction progresses, filling of the concentric remodeled LV decreases, and HF with preserved ejection fraction ensues...
July 6, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28711446/clinical-effectiveness-of-hydralazine-isosorbide-dinitrate-in-african-american-patients-with-heart%C3%A2-failure
#14
Boback Ziaeian, Gregg C Fonarow, Paul A Heidenreich
OBJECTIVES: This study sought to evaluate the effectiveness of hydralazine-isosorbide dinitrate (H-ISDN) in African Americans with heart failure (HF) with reduced ejection fraction (HFrEF). BACKGROUND: Among African-American patients with HFrEF, H-ISDN was found to improve quality of life and lower HF-related hospitalization and mortality rates in the A-HEFT (African-American Heart Failure Trial). Few studies have evaluated the effectiveness of this therapy in clinical practice...
July 6, 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28710072/circulating-acylcarnitine-profile-in-human-heart-failure-a-surrogate-of-fatty-acid-metabolic-dysregulation-in-mitochondria-and-beyond
#15
Matthieu Ruiz, Francois Labarthe, Annik Fortier, Bertrand Bouchard, Julie Thompson Legault, Virginie Bolduc, Odile Rigal, Jane Chen, Anique Ducharme, Peter A Crawford, Jean-Claude Tardif, Christine Des Rosiers
Heart failure (HF) is associated with metabolic perturbations, particularly of fatty acids (FA), which remain to be better understood in humans. This study aimed at testing the hypothesis that HF patients with reduced ejection fraction, display systemic perturbations in levels of energy-related metabolites, especially those reflecting dysregulation of FA metabolism, namely acylcarnitines (ACs). Circulating metabolites were assessed using mass spectrometry (MS)-based methods in two cohorts. The main cohort consisted of 72 controls and 68 HF patients, exhibiting depressed left ventricular ejection fraction (25...
July 14, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28707730/complement-and-contact-system-activation-in-acute-congestive-heart-failure-patients
#16
Chiara Suffritti, Eleonora Tobaldini, Riccardo Schiavon, Silvia Strada, Lorena Maggioni, Satish Mehta, Giulia Sandrone, Edgar Toschi-Dias, Marco Cicardi, Nicola Montano
BACKGROUND: Recent experimental data indicate a pathogenic role of complement activation in congestive heart failure (CHF). Aim of this study was to evaluate contact and complement systems activation in patients hospitalized for an acute episode of CHF. METHODS AND RESULTS: 42 of 80 consecutive patients admitted at our hospital with confirmed diagnosis of acute CHF were enrolled. They underwent blood sampling within 24 hours from admission (T0) and at clinical stability (T1)...
July 14, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28707341/impact-of-hyperkalemia-and-worsening-renal-function-on-the-use-of-renin-angiotensin-aldosterone-system-inhibitors-in-chronic-heart-failure-with-reduced-ejection-fraction
#17
B Pitt, P Rossignol
Patients with heart failure (HF) and reduced ejection fraction (HFREF) are at increased risk of death and hospitalizations for HF. Numerous registries have reported a large and persistent gap between real-life practice in the use of life-saving evidence-based therapies, such as renin angiotensin system inhibitors, beta blockers, mineralocorticoid receptor antagonists (MRAs), and recommended practices in international guidelines. The fears of inducing hyperkalemia and/or worsening renal function are the main triggers of this underuse...
July 14, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28706743/when-is-the-optimal-timing-of-surgical-intervention-for-severe-functional-tricuspid-regurgitation
#18
Nobuhiro Nakanishi, Masanobu Ishii, Koichi Kaikita, Ken Okamoto, Yasuhiro Izumiya, Eiichiro Yamamoto, Seiji Takashio, Seiji Hokimoto, Toshihiro Fukui, Kenichi Tsujita
Functional tricuspid regurgitation (TR) is a serious pathology to be noted for severe right heart failure (HF) and poor prognosis; however, the conventional assessment of TR has some limitations and the optimal timing of surgical intervention remains unclear. A 79-year-old Japanese female was admitted to our hospital to undergo cardiac surgery, because edema gradually got worse despite the increase in diuretics. She had a history of atrial fibrillation (AF) and chronic HF due to severe TR and had been treated with a furosemide for leg edema 4 years ago...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28706575/targeting-endothelial-function-to-treat-heart-failure-with-preserved-ejection-fraction-the-promise-of-exercise-training
#19
REVIEW
Andreas B Gevaert, Katrien Lemmens, Christiaan J Vrints, Emeline M Van Craenenbroeck
Although the burden of heart failure with preserved ejection fraction (HFpEF) is increasing, there is no therapy available that improves prognosis. Clinical trials using beta blockers and angiotensin converting enzyme inhibitors, cardiac-targeting drugs that reduce mortality in heart failure with reduced ejection fraction (HFrEF), have had disappointing results in HFpEF patients. A new "whole-systems" approach has been proposed for designing future HFpEF therapies, moving focus from the cardiomyocyte to the endothelium...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28705910/fatigability-exercise-intolerance-and-abnormal-skeletal-muscle-energetics-in-heart-failure
#20
Kilian Weiss, Michael Schär, Gurusher S Panjrath, Yi Zhang, Kavita Sharma, Paul A Bottomley, Asieh Golozar, Angela Steinberg, Gary Gerstenblith, Stuart D Russell, Robert G Weiss
BACKGROUND: Among central and peripheral factors contributing to exercise intolerance (EI) in heart failure (HF), the extent to which skeletal muscle (SM) energy metabolic abnormalities occur and contribute to EI and increased fatigability in HF patients with reduced or preserved ejection fraction (HFrEF and HFpEF, respectively) are not known. An energetic plantar flexion exercise fatigability test and magnetic resonance spectroscopy were used to probe the mechanistic in vivo relationships among SM high-energy phosphate concentrations, mitochondrial function, and EI in HFrEF and HFpEF patients and in healthy controls...
July 2017: Circulation. Heart Failure
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