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heart failure with preserved ejection fraction

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https://www.readbyqxmd.com/read/28444995/peripheral-artery-disease-and-risk-of-adverse-outcomes-in-heart-failure-with-preserved-ejection-fraction
#1
Pratik B Sandesara, Muhammad Hammadah, Ayman Samman-Tahhan, Heval M Kelli, Wesley T O'Neal
BACKGROUND: Peripheral artery disease (PAD) in heart failure with preserved ejection fraction (HFpEF) is associated with an increased mortality risk, but the risk of individual outcomes associated with PAD in this patient group is less clear. HYPOTHESIS: PAD is associated with adverse outcomes in HFpEF, including hospitalization and specific cardiovascular outcomes. METHODS: We examined the association between PAD and adverse outcomes in 3385 patients with HFpEF (mean age, 69 ± 9...
April 26, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28443567/the-association-between-the-inflammatory-biomarkers-and-left-ventricular-systolic-dysfunction-in-patients-with-exacerbations-of-chronic-obstructive-pulmonary-disease
#2
Ljiljana Andrijevic, Senka Milutinov, Ilija Andrijevic, Daniela Jokic, Marija Vukoja
BACKGROUND: Cardiovascular diseases are important cause of morbidity and mortality in chronic obstructive pulmonary disease (COPD) patients. The increased inflammatory biomarkers levels predict exacerbations and are associated with cardiovascular diseases in stable COPD patients but their role in the settings of acute COPD exacerbations has not been determined. AIMS: To analyze the association between inflammatory biomarkers and heart failure and also to determine the predictors of mortality in patients with exacerbations of COPD...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28440343/cyp3a4-genotype-is-associated-with-sildenafil-concentrations-in-patients-with-heart-failure-with-preserved-ejection-fraction
#3
S de Denus, J L Rouleau, D L Mann, G S Huggins, N L Pereira, S H Shah, T P Cappola, R Fouodjio, I Mongrain, M-P Dubé
Despite its established inter-individual variability, sildenafil has been the subject of only a few pharmacogenetic investigations, with limited data regarding the genetic modulators of its pharmacokinetics. We conducted a pharmacogenetic sub-study of patients randomized to sildenafil (n=85) in the RELAX trial, which investigated the impact of high-dose sildenafil in patients with heart failure with preserved left ventricular ejection fraction (HFpEF). In the overall population, the CYP3A4 inferred phenotype appeared associated with the dose-adjusted peak concentrations of sildenafil at week 12 and week 24 (adjusted P=0...
April 25, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28437711/cardiomyocyte-ca-2-homeostasis-as-a-therapeutic-target-in-heart-failure-with-reduced-and-preserved-ejection-fraction
#4
REVIEW
Deborah Peana, Timothy L Domeier
Heart failure is a highly prevalent syndrome of multiple etiologies and associated comorbidities, and aberrant intracellular Ca(2+) homeostasis is a hallmark finding in heart failure patients. The cyclical changes in Ca(2+) concentration within cardiomyocytes control cycles of cardiac contraction and relaxation, and dysregulation of Ca(2+) handling processes leads to systolic dysfunction, diastolic dysfunction, and adverse remodeling. For this reason, greater understanding of Ca(2+) handling mechanisms in heart failure is critical for selection of appropriate treatment strategies...
April 21, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28434933/assessing-the-eligibility-criteria-in-phase-iii-randomized-controlled-trials-of-drug-therapy-in-heart-failure-with-preserved-ejection-fraction-the-critical-play-off-between-a-pure-patient-phenotype-and-the-generalizability-of-trial-findings
#5
Hitesh C Patel, Carl Hayward, Jason Dungu, Sofia Papadopoulou, Abdel Saidmeerasah, Carlo Di Mario, Nesan Shanmugam, Martin R Cowie, Lisa J Anderson
AIMS: To investigate the effect of the different eligibility criteria used by phase III clinical studies in heart failure with preserved ejection fraction (HFpEF) on patient selection, phenotype and survival. METHODS AND RESULTS: We applied the key eligibility criteria of seven phase III HFpEF studies (DIG-Ancillary, CHARM-Preserved, PEP-CHF, I-PRESERVE, J-DHF, TOPCAT and PARAGON-HF [on-going]) to a typical and well-characterised HFpEF population (n=557) seen in modern European cardiological practice...
April 18, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28431892/a-humanized-hla-dr4-mouse-model-for-autoimmune-myocarditis
#6
M Emrah Şelli, Anita C Thomas, David C Wraith, Andrew C Newby
Myocarditis, the principal cause of dilated cardiomyopathy and heart failure in young adults, is associated with autoimmunity to human cardiac α-myosin (hCAM) and the DR4 allele of human major histocompatibility II (MHCII). We developed an hCAM-induced myocarditis model in human HLA-DR4 transgenic mice that lack all mouse MHCII genes, demonstrating that immunization for 3weeks significantly increased splenic T-cell proliferative responses and titres of IgG1 and IgG2c antibodies, abolished weight gain, provoked cardiac inflammation and significantly impaired cardiac output and fractional shortening, by echocardiography, compared to adjuvant-injected mice...
April 18, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28431020/is-it-time-to-recognize-a-new-phenotype-heart-failure-with-preserved-ejection-fraction-with-pulmonary-vascular-disease
#7
Barry A Borlaug, Masaru Obokata
No abstract text is available yet for this article.
April 17, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28429959/reduced-arteriovenous-oxygen-difference-in-heart-failure-with-preserved-ejection-fraction-patients-is-the-muscle-oxidative-phenotype-certainly-involved
#8
David Montero, Carsten Lundby
No abstract text is available yet for this article.
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28427850/five-year-changes-in-cardiac-structure-and-function-in-patients-with-rheumatoid-arthritis-compared-with-the-general-population
#9
John M Davis, Grace Lin, Jae K Oh, Cynthia S Crowson, Sara J Achenbach, Terry M Therneau, Eric L Matteson, Richard J Rodeheffer, Sherine E Gabriel
BACKGROUND: Patients with rheumatoid arthritis (RA) have increased risk of heart failure with preserved ejection fraction. The development and progression of left ventricular dysfunction before onset of clinical heart failure are unknown. The objective of this study was to evaluate longitudinal changes in cardiac structure and function of patients with RA compared with persons in the general population. METHODS: A prospective longitudinal study of a population-based cohort of 160 patients with RA and a population-based cohort of 1391 persons without RA (non-RA cohort) was performed...
March 31, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28426886/risk-of-stroke-in-chronic-heart-failure-patients-with-preserved-ejection-fraction-but-without-atrial-fibrillation-analysis-of-the-charm-preserved-and-i-preserve-trials
#10
Azmil H Abdul-Rahim, Ana-Cristina Perez, Rachael L MacIsaac, Pardeep S Jhund, Brian L Claggett, Peter E Carson, Michel Komajda, Robert S McKelvie, Michael R Zile, Karl Swedberg, Salim Yusuf, Marc A Pfeffer, Scott D Solomon, Gregory Y H Lip, Kennedy R Lees, John J V McMurray
Aims: The incidence and predictors of stroke in patients with heart failure and preserved ejection fraction (HF-PEF), but without atrial fibrillation (AF), are unknown. We described the incidence of stroke in HF-PEF patients with and without AF and predictors of stroke in those without AF. Methods and results: We pooled data from the CHARM-Preserved and I-Preserve trials. Using Cox regression, we derived a model for stroke in patients without AF in this cohort and compared its performance with a published model in heart failure patients with reduced ejection fraction (HF-REF)-predictive variables: age, body mass index, New York Heart Association class, history of stroke, and insulin-treated diabetes...
March 7, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28425164/the-fallacy-of-resting-echocardiographic-parameters-of-cardiac-function-in-heart-failure-with-preserved-ejection-fraction-add-global-longitudinal-strain-to-the-list
#11
EDITORIAL
Dragoş Vinereanu, Andrei D Mǎrgulescu
No abstract text is available yet for this article.
April 19, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28424575/contribution-of-autonomic-reflexes-to-the-hyperadrenergic-state-in-heart-failure
#12
REVIEW
Edgar Toschi-Dias, Maria Urbana P B Rondon, Chiara Cogliati, Nazareno Paolocci, Eleonora Tobaldini, Nicola Montano
Heart failure (HF) is a complex syndrome representing the clinical endpoint of many cardiovascular diseases of different etiology. Given its prevalence, incidence and social impact, a better understanding of HF pathophysiology is paramount to implement more effective anti-HF therapies. Based on left ventricle (LV) performance, HF is currently classified as follows: (1) with reduced ejection fraction (HFrEF); (2) with mid-range EF (HFmrEF); and (3) with preserved EF (HFpEF). A central tenet of HFrEF pathophysiology is adrenergic hyperactivity, featuring increased sympathetic nerve discharge and a progressive loss of rhythmical sympathetic oscillations...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28423119/importance-of-serca2a-on-early-isolated-diastolic-dysfunction-induced-by-supravalvular-aortic-stenosis-in-rats
#13
C F S M P Silveira, D H S Campos, P P Freire, A F Deus, K Okoshi, C R Padovani, A C Cicogna
Cardiac remodeling is defined as changes in shape and function of the heart in response to aggression (pressure overload). The sarcoplasmic reticulum calcium ATPase cardiac isoform 2a (SERCA2a) is a known factor that influences function. A wide spectrum of studies report a decrease in SERCA2a in heart failure, but none evaluate it's the role in early isolated diastolic dysfunction in supravalvular aortic stenosis (AoS). Our hypothesis was that SERCA2a participates in such dysfunction. Thirty-day-old male Wistar rats (60-80 g) were divided into AoS and Sham groups, which were submitted to surgery with or without aorta clipping, respectively...
April 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28421174/utility-of-cardiovascular-magnetic-resonance-derived-wave-intensity-analysis-as-a-marker-of-ventricular-function-in-children-with-heart-failure-and-normal-ejection-fraction
#14
Hopewell N Ntsinjana, Robin Chung, Paolo Ciliberti, Vivek Muthurangu, Silvia Schievano, Jan Marek, Kim H Parker, Andrew M Taylor, Giovanni Biglino
OBJECTIVE: This study sought to explore the diagnostic insight of cardiovascular magnetic resonance (CMR)-derived wave intensity analysis to better study systolic dysfunction in young patients with chronic diastolic dysfunction and preserved ejection fraction (EF), comparing it against other echocardiographic and CMR parameters. BACKGROUND: Evaluating systolic and diastolic dysfunctions in children is challenging, and a gold standard method is currently lacking...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28417024/new-classification-for-heart-failure-with-mildly-reduced-ejection-fraction-greater-clarity-or-more-confusion
#15
Sunil Nadar
The latest European Society of Cardiology (ESC) guidelines for the diagnosis and management of heart failure include a new patient group for those with heart failure with mildly reduced ejection fraction (HFmrEF). By defining this group of patients as a separate entity, the ESC hope to encourage more research focusing on patients with HFmrEF. Previously, patients with this condition were caught between two classifications-heart failure with reduced ejection fraction and heart failure with preserved ejection fraction...
February 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28413968/hypertension-and-heart-failure-with-preserved-ejection-fraction-connecting-the-dots
#16
Costas Tsioufis, Georgios Georgiopoulos, Dimitrios Oikonomou, Costas Thomopoulos, Niki Katsiki, Alexandros Kasiakogias, Christina Chrysochoou, Dimitrios Konstantinidis, Theodoros Kalos, Dimitrios Tousoulis
Heart failure (HF) with preserved ejection fraction (EF) (HFpEF) accounts for approximately 50% of HF cases and its prevalence relative to HF with reduced EF is rising. Hypertension (HT) is the most common co-morbidity in HFpEF patients and it is implicated in both the pathogenesis and the prognosis of the disease. Therefore, HT is a modifiable risk factor of high yield in HFpEF. We reviewed the literature for epidemiologic data supporting the co-aggregation of the two entities as well as patho-physiologic mechanisms linking HT to HFpEF...
April 14, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28413575/the-role-of-estrogen-in-cardiac-metabolism-and-diastolic-function
#17
Shumin Li, Anisha A Gupte
Heart failure with preserved ejection fraction (HFpEF) has similar prevalence and prognosis as HF with reduced EF, but there is no approved treatment for HFpEF. HFpEF is common in postmenopausal women, which suggests that the absence of estrogen (E2) plays a role in its pathophysiology. With the country's growing elderly population, the prevalence of HFpEF is rapidly increasing. This has triggered a renewed urgency in finding novel approaches to preventing and slowing the progression of HFpEF. In this review, we address the role of E2 in left ventricular diastolic function and how it impacts women with HFpEF as well as animal models...
January 2017: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28412423/rv-contractile-function-and-its-coupling-to-pulmonary-circulation-in-heart-failure-with-preserved%C3%A2-ejection%C3%A2-fraction-stratification-of-clinical-phenotypes-and-outcomes
#18
Marco Guazzi, Debra Dixon, Valentina Labate, Lauren Beussink-Nelson, Francesco Bandera, Michael J Cuttica, Sanijv J Shah
OBJECTIVES: This study sought to investigate how right ventricular (RV) contractile function and its coupling with pulmonary circulation (PC) stratify clinical phenotypes and outcome in heart failure preserved ejection fraction (HFpEF) patients. BACKGROUND: Pulmonary hypertension and RV dysfunction are key hemodynamic abnormalities in HFpEF. METHODS: Three hundred eighty seven HFpEF patients (mean age 64 ± 12 years, 59% females, left ventricular ejection fraction 59 ± 7%) underwent RV and pulmonary hemodynamic evaluation by echocardiography (entire population) and right heart catheterization (219 patients)...
April 7, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28411900/contemporary-approaches-to-patients-with-heart-failure
#19
REVIEW
Sumeet S Mitter, Clyde W Yancy
Incident heart failure and the burden of hospitalization may be demonstrating a decline. However, as the population ages, the prevalence of heart failure continues to increase. Mortality among heart failure patients is increasingly due to non-cardiovascular causes. Current evidence-based therapy for heart failure has improved heart failure related mortality. Current efforts should be directed toward optimizing evidence based medical and device therapy, reducing morbidity, and increasing quality of life with heart failure...
May 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/28411073/arterial-stiffness-and-elevated-left-ventricular-filling-pressure-in-patients-at-risk-for-the-development-or-a-previous-diagnosis-of-hf-a-subgroup-analysis-from-the-diast-chf-study
#20
Claus Lüers, Tobias Daniel Trippel, Sebastian Seeländer, Rolf Wachter, Gerd Hasenfuss, Ruhdja Lindhorst, Anna Bobenko, Kathleen Nolte, Burkert Pieske, Frank Edelmann
Left ventricular filling pressure (LVFP) is a marker for diastolic dysfunction and heart failure (HF) with preserved ejection fraction (pEF). The interaction between arterial stiffness (AS) and elevated LVFP has not been sufficiently investigated. In 257 patients with preserved left ventricular ejection fraction (mean age: 66 years, 53% female, mean left ventricular ejection fraction: 61%) and at least one cardiovascular risk factor (eg, hypertension and diabetes) for the development of HF or a previous diagnosis of HF, LVFP was estimated in accordance with the recommendations of the American Society of Echocardiography (elevated when E/e' ≥ 13, left atrial volume index ≥ 34 mL/m(2))...
March 27, 2017: Journal of the American Society of Hypertension: JASH
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