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Preserved ejection fraction

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https://www.readbyqxmd.com/read/28931528/suppression-of-tumorigenicity-2-in-heart-failure-with-preserved-ejection-fraction
#1
(no author information available yet)
No abstract text is available yet for this article.
September 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28928601/early-right-ventricular-apical-pacing-induced-gene-expression-alterations-are-associated-with-deterioration-of-left-ventricular-systolic-function
#2
Haiyan Xu, Xiongwei Xie, Jiangjin Li, Yuanyuan Zhang, Changsong Xu, Jing Yang
The chronic high-dose right ventricular apical (RVA) pacing may have deleterious effects on left ventricular (LV) systolic function. We hypothesized that the expression changes of genes regulating cardiomyocyte energy metabolism and contractility were associated with deterioration of LV function in patients who underwent chronic RVA pacing. Sixty patients with complete atrioventricular block and preserved ejection fraction (EF) who underwent pacemaker implantation were randomly assigned to either RVA pacing (n = 30) group or right ventricular outflow tract (RVOT) pacing (n = 30) group...
2017: Disease Markers
https://www.readbyqxmd.com/read/28927192/alcohol-hypertension-and-heart-failure-with-preserved-or-normal-ejection-fraction
#3
John E Sanderson
No abstract text is available yet for this article.
January 1, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/28927176/permanent-work-disability-in-patients-%C3%A2-50-years-old-after-percutaneous-coronary-intervention-and-coronary-artery-bypass-grafting-the-crags-study
#4
Anna Lautamäki, Jarmo M Gunn, Kari Eino Juhani Airaksinen, Fausto Biancari, Olli A Kajander, Vesa Anttila, Jouni Heikkinen, Markku Eskola, Erkki Ilveskoski, Ari Mennander, Kari Korpilahti, Jan-Ola Wistbacka, Tuomas O Kiviniemi
Background: The aim of this study was to investigate the incidence of permanent working disability (PWD) in young patients after percutaneous or surgical coronary revascularization. Methods and Results: The study included 1035 consecutive patients ≤50 years old who underwent coronary revascularization [910 and 125 patients in percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) groups, respectively] between 2002 and 2012 at 4 Finnish hospitals...
April 1, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/28925663/top-poems-of-2016-consistent-with-the-principles-of-the-choosing-wisely-campaign
#5
Roland Grad, Mark H Ebell
A challenge in the Choosing Wisely campaign is to identify low-value clinical actions supported by high-quality evidence. We applied a method based on crowdsourcing the Daily POEM (patient-oriented evidence that matters) to identify low-value clinical actions from research studies consistent with the principles of Choosing Wisely. In 2016, we analyzed an average of 1,382 questionnaires on 265 unique POEMs delivered to physician members of the Canadian Medical Association. From these questionnaires, we identified the POEMs ranking highest on one questionnaire item directly linked to reducing overdiagnosis or overtreatment...
August 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28925073/role-of-cardiopulmonary-exercise-testing-in-clinical-stratification-in-heart-failure-a-position-paper-from-the-committee-on-exercise-physiology-and-training-of-the-heart-failure-association-of-the-european-society-of-cardiology
#6
REVIEW
Ugo Corrà, Pier Giuseppe Agostoni, Stefan D Anker, Andrew J S Coats, Maria G Crespo Leiro, Rudolph A de Boer, Veli-Pekka Hairola, Loreena Hill, Mitja Lainscak, Lars H Lund, Marco Metra, Piotr Ponikowski, Jillian Riley, Petar M Seferović, Massimo F Piepoli
Traditionally, the main indication for cardiopulmonary exercise testing (CPET) in heart failure (HF) was for the selection of candidates to heart transplantation: CPET was mainly performed in middle-aged male patients with HF and reduced left ventricular ejection fraction. Today, CPET is used in broader patients' populations, including women, elderly, patients with co-morbidities, those with preserved ejection fraction, or left ventricular assistance device recipients, i.e. individuals with different responses to incremental exercise and markedly different prognosis...
September 18, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28925061/biomarkers-and-prognostication-in-heart-failure-with-reduced-and-preserved-ejection-fraction-similar-but-different
#7
EDITORIAL
Iain B Squire
No abstract text is available yet for this article.
September 18, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28922407/segmental-arterial-stiffness-in-relation-to-b-type-natriuretic-peptide-with-preserved-systolic-heart-function
#8
Chih-Hsuan Yen, Chung-Lieh Hung, Ping-Ying Lee, Jui-Peng Tsai, Yau-Huei Lai, Cheng-Huang Su, Hung-I Yeh, Charles Jia-Yin Hou, Kuo-Liong Chien
BACKGROUND: Central arterial stiffness has been shown to play a key role in cardiovascular disease. However, evidence regarding such arterial stiffness from various arterial segments in relation to B-type natriuretic peptide (BNP) remains elusive. METHODS: A total of 1255 participants (47.8% men; mean age: 62.6 ± 12.3 [SD] years) with preserved left ventricular function (ejection fraction ≥50%) and ≥1 risk factors were consecutively studied. Arterial pulse wave velocity (PWV) by automatic device (VP-2000; Omron Healthcare) for heart-femoral (hf-PWV), brachial-ankle (ba-PWV), and heart-carotid (hc-PWV) segments were obtained and related to BNP concentrations (Abbott Diagnostics, Abbott Park, IL, USA)...
2017: PloS One
https://www.readbyqxmd.com/read/28919241/cardiopulmonary-exercise-testing-in-patients-with-heart-failure-and-a-preserved-ejection-fraction-filling-the-prognostic-knowledge-gap
#9
Cemal Ozemek, Ross Arena
No abstract text is available yet for this article.
September 14, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28917679/epidemiology-of-left-ventricular-systolic%C3%A2-dysfunction-and-heart-failure-in%C3%A2-the-framingham-study-an-echocardiographic-study-over-3-decades
#10
Ramachandran S Vasan, Vanessa Xanthakis, Asya Lyass, Charlotte Andersson, Connie Tsao, Susan Cheng, Jayashri Aragam, Emelia J Benjamin, Martin G Larson
OBJECTIVES: The purpose of this study was to describe the temporal trends in prevalence of left ventricular systolic dysfunction (LVSD) in individuals without and with heart failure (HF) in the community over a 3-decade period of observation. BACKGROUND: Temporal trends in the prevalence and management of major risk factors may affect the epidemiology of HF. METHODS: We compared the frequency, correlates, and prognosis of LVSD (left ventricular ejection fraction [LVEF] <50%) among Framingham Study participants without and with clinical HF in 3 decades (1985 to 1994, 1995 to 2004, and 2005 to 2014)...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28917673/b-type-natriuretic-peptide-and-high-sensitivity-cardiac-troponin-for-risk-stratification-in-low-flow-low-gradient-aortic-stenosis-a-substudy-of-the-topas-study
#11
Abdellaziz Dahou, Marie-Annick Clavel, Romain Capoulade, Kim O'Connor, Henrique B Ribeiro, Nancy Côté, Florent Le Ven, Josep Rodés-Cabau, Jean G Dumesnil, Patrick Mathieu, Philippe Pibarot
OBJECTIVES: The objective of this study was to determine the prognostic value of combined measures of B-type natriuretic peptide (BNP) and high-sensitivity cardiac troponin T (hsTnT) in patients with low-flow, low-gradient aortic stenosis (LF-LG AS) who had either a preserved or reduced left ventricular ejection fraction (LVEF). BACKGROUND: An elevated BNP level is associated with increased risk of mortality in patients with LF-LG AS. The incremental prognostic value of hsTnT in these patients is unknown...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28914601/left-ventricular-long-axis-function-assessed-with-cardiac-cine-mr-imaging-is-an-independent-predictor-of-all-cause-mortality-in-patients-with-reduced-ejection-fraction-a-multicenter-study
#12
Simone Romano, Robert M Judd, Raymond J Kim, Han W Kim, Igor Klem, John F Heitner, Dipan J Shah, Jennifer Jue, Afshin Farzaneh-Far
Purpose To evaluate the prognostic value of a simple index of left ventricular (LV) long-axis function-lateral mitral annular plane systolic excursion (MAPSE)-in a large multicenter population of patients with reduced ejection fraction (EF) who were undergoing cardiac magnetic resonance (MR) imaging. Materials and Methods This retrospective study included 1040 consecutive patients (mean age, 59.5 years ± 15.8) at four U.S. medical centers who were undergoing cardiac MR imaging for assessment of LV dysfunction with EF less than 50%...
September 14, 2017: Radiology
https://www.readbyqxmd.com/read/28912181/hypertrophic-cardiomyopathy-genetics-pathogenesis-clinical-manifestations-diagnosis-and-therapy
#13
REVIEW
Ali J Marian, Eugene Braunwald
Hypertrophic cardiomyopathy (HCM) is a genetic disorder that is characterized by left ventricular hypertrophy unexplained by secondary causes and a nondilated left ventricle with preserved or increased ejection fraction. It is commonly asymmetrical with the most severe hypertrophy involving the basal interventricular septum. Left ventricular outflow tract obstruction is present at rest in about one third of the patients and can be provoked in another third. The histological features of HCM include myocyte hypertrophy and disarray, as well as interstitial fibrosis...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28912121/cortical-bone-stem-cell-therapy-preserves-cardiac-structure-and-function-after-myocardial-infarction
#14
Thomas E Sharp, Giana J Schena, Alexander R Hoachlandr-Hobby, Timothy Starosta, Remus M Berretta, Markus Wallner, Giulia Borghetti, Polina Gross, Daohai Yu, Jaslyn Johnson, Eric A Feldsott, Danielle M Trappanese, Amir Toib, Joseph E Rabinowitz, Jon C George, Hajime Kubo, Sadia Mohsin, Steven R Houser
Rationale: Cortical bone stem cells (CBSCs) have been shown to reduce ventricular remodeling and improve cardiac function in a murine myocardial infarction (MI) model. These effects were superior to other stem cell types that have been used in recent early stage clinical trials. However, CBSC efficacy has not been tested in a preclinical large animal model using approaches that could be applied to patients. Objective: To determine if post-MI transendocardial injection of allogeneic CBSCs reduces pathological structural and functional remodeling and prevents the development of heart failure in a swine MI model...
September 14, 2017: Circulation Research
https://www.readbyqxmd.com/read/28901848/pulmonary-hypertension-secondary-to-left-heart-disease
#15
Ghazal Kabbach, Debabrata Mukherjee
Pulmonary hypertension (PH) related to left heart disease (LHD) is the most common form of PH, accounting for more than two third of all PH cases. The hemodynamic abnormalities seen in PH-LHD are complex, and there are currently minimal evidence-based recommendations for the management of PH-LHD. While it is accepted that PH in the context of left heart disease is a marker of worse prognosis, it remains unclear whether its primary treatment is beneficial or harmful. In this article, we discuss the prevalence and significance of PH in patients with heart failure (HF) with reduced ejection fraction (HFrEF) as well as HF with preserved ejection fraction (HFpEF), and those with valvular heart disease and provide insights into the complex pathophysiology of cardiopulmonary interrelationship in individuals with PH due to left heart disease...
September 12, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28901639/predicting-changes-in-flow-category-in-patients-with-severe-aortic-stenosis-and-preserved-left-ventricular-ejection-fraction-on-medical-therapy
#16
Jinghao Nicholas Ngiam, Ivandito Kuntjoro, Benjamin Y Q Tan, Hui-Wen Sim, William K F Kong, Tiong-Cheng Yeo, Kian-Keong Poh
BACKGROUND/OBJECTIVES: Controversy surrounds the prognosis and management of patients with paradoxical low-flow severe aortic stenosis (AS) with preserved left ventricular ejection fraction (LVEF). It was not certain if patients in a particular flow category remained in the same category as disease progressed. We investigated whether there were switches in categories and if so, their predictors. METHODS: Consecutive subjects (n = 203) with isolated severe AS and paired echocardiography (>180 days apart) were studied...
September 13, 2017: Echocardiography
https://www.readbyqxmd.com/read/28899987/heart-failure-related-hyperphosphorylation-in-the-cardiac-troponin-i-c-terminus-has-divergent-effects-on-cardiac-function-in-vivo
#17
Yuejin Li, Guangshuo Zhu, Nazareno Paolocci, Pingbo Zhang, Cyrus Takahashi, Nazli Okumus, Amir Heravi, Gizem Keceli, Genaro Ramirez-Correa, David A Kass, Anne M Murphy
BACKGROUND: In human heart failure, Ser199 (equivalent to Ser200 in mouse) of cTnI (cardiac troponin I) is significantly hyperphosphorylated, and in vitro studies suggest that it enhances myofilament calcium sensitivity and alters calpain-mediated cTnI proteolysis. However, how its hyperphosphorylation affects cardiac function in vivo remains unknown. METHODS AND RESULTS: To address the question, 2 transgenic mouse models were generated: a phospho-mimetic cTnIS200D and a phospho-silenced cTnIS200A, each driven by the cardiomyocyte-specific α-myosin heavy chain promoter...
September 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28899542/predominant-obstructive-or-central-sleep-apnea-in-patients-with-atrial-fibrillation-influence-of-characterizing-apneas-versus-apneas-and-hypopneas
#18
Johanna Strotmann, Henrik Fox, Thomas Bitter, Florian Schindhelm, Klaus-Jürgen Gutleben, Dieter Horstkotte, Olaf Oldenburg
OBJECTIVE/BACKGROUND: Sleep-disordered breathing (SDB) is common in patients with atrial fibrillation (Afib). Although a high proportion of respiratory events are hypopneas, previous studies have only used apneas to differentiate obstructive (OSA) from central (CSA) sleep apnea. This study investigated the impact of using apneas and hypopneas versus apneas only to define the predominant type of SDB in Afib patients with preserved ejection fraction. PATIENTS/METHODS: This retrospective analysis was based on high-quality cardiorespiratory polygraphy (PG) recordings (07/2007-03/2016) that were re-analyzed using 2012 American Academy of Sleep Medicine criteria, with differentiation of apneas and hypopneas as obstructive or central...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28893960/physical-activity-in-heart-failure-with-preserved-ejection-fraction-moving-toward-a-newer-treatment-paradigm
#19
EDITORIAL
Ambarish Pandey, Jarett D Berry
No abstract text is available yet for this article.
September 12, 2017: Circulation
https://www.readbyqxmd.com/read/28892213/evaluation-of-longitudinal-and-radial-left-ventricular-functions-using-two-and-three-dimensional-echocardiography-before-and-after-intravenous-immunoglobulin-administration-in-patients-with-acute-kawasaki-disease
#20
Ikuo Hashimoto, Yu Saitou, Nao Sakata, Ko Shibata
BACKGROUND: The relationship between left ventricular (LV) function and longitudinal or radial contraction has not yet been elucidated in patients with acute Kawasaki disease (KD), especially before and after intravenous immunoglobulin (IVIG) administration. METHODS: We studied 28 KD patients without coronary aneurysms (average 3.2 years). The LV end-diastolic volume (LVEDV), end-systolic volume (LVESV), stroke volume (LVSV), and ejection fraction (LVEF) were assessed using three-dimensional echocardiography before IVIG, after IVIG administration, and in the convalescent phase...
September 11, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
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