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"diastolic dysfunction" OR "heart failure with preserved ejection fraction"

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https://www.readbyqxmd.com/read/29793053/aggressive-fluid-and-sodium-restriction-in-decompensated-heart-failure-with-preserved-ejection-fraction-results-from-a-randomized-clinical-trial
#1
Karina Sanches Machado d'Almeida, Eneida Rejane Rabelo-Silva, Gabriela Corrêa Souza, Melina Maria Trojahn, Sofia Louise Santin Barilli, Graziella Aliti, Luís Eduardo Rohde, Andreia Biolo, Luís Beck-da-Silva
OBJECTIVES: Sodium and fluid restriction is commonly prescribed for heart failure patients. However, its role in the treatment of heart failure with preserved ejection fraction (HFpEF) remains unclear. The aim of this study was to compare the effect of a diet with sodium and fluid restriction with an unrestricted diet in patients admitted for decompensated HFpEF. METHODS: Patients were randomized to a diet with sodium (0.8 g/d) and fluid (800 mL/d) restriction (intervention group [IG]) or an unrestricted diet (control group [CG]) and followed for 7 d or hospital discharge...
March 21, 2018: Nutrition
https://www.readbyqxmd.com/read/29792395/how-are-patients-with-heart-failure-treated-in-primary-care
#2
Hélène Vaillant-Roussel, Bruno Pereira, Sylvaine Gibot-Boeuf, Romain Eschalier, Claude Dubray, Rémy Boussageon, Philippe Vorilhon
OBJECTIVE: The aim of this study was to assess the adherence of general practitioners (GPs) to guidelines in patients with heart failure with reduced ejection fraction (HFrEF) and to describe GPs' prescribing behavior regarding patients with heart failure with preserved ejection fraction (HFpEF). MATERIALS AND METHODS: Cross-sectional study as part of the ETIC trial. Five classes of drugs were described: angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin receptor blockers (ARBs); β-blockers (BBs); mineralocorticoid receptor antagonists (MRAs); diuretics (thiazide or loop diuretics); and digoxin...
May 24, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29792299/a-simple-evidence-based-approach-to-help-guide-diagnosis-of-heart-failure-with-preserved-ejection-fraction
#3
Yogesh N V Reddy, Rickey E Carter, Masaru Obokata, Margaret M Redfield, Barry A Borlaug
Background -Diagnosis of heart failure with preserved ejection fraction (HFpEF) is challenging in euvolemic patients with dyspnea, and no evidence-based criteria are available. We sought to develop and then validate non-invasive diagnostic criteria that could be used to estimate the likelihood that HFpEF is present among patients with unexplained dyspnea in order to guide further testing. Methods -Consecutive patients with unexplained dyspnea referred for invasive hemodynamic exercise testing were retrospectively evaluated...
May 23, 2018: Circulation
https://www.readbyqxmd.com/read/29790948/cardioprotection-induced-by-activation-of-gper-in-ovariectomized-rats-with-pulmonary-hypertension
#4
Allan K N Alencar, Guilherme C Montes, Daniele G Costa, Luiza V P Mendes, Ananssa M S Silva, Sabrina T Martinez, Margarete M Trachez, Valéria do M N Cunha, Tadeu L Montagnoli, Aline G M Fraga, Hao Wang, Leanne Groban, Carlos A M Fraga, Roberto T Sudo, Gisele Zapata-Sudo
Pulmonary hypertension (PH) is a disease of women (female-to-male ratio 4:1), and is associated with cardiac and skeletal muscle dysfunction. Herein, the activation of a new estrogen receptor (GPER) by the agonist G1 was evaluated in oophorectomized rats with monocrotaline (MCT)-induced PH. Depletion of estrogen was induced by bilateral oophorectomy (OVX) in Wistar rats. Experimental groups included SHAM or OVX rats that received a single intraperitoneal injection of MCT (60 mg/kg) for PH induction. Animals received s...
May 21, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29790794/association-of-morning-blood-pressure-surge-with-carotid-intima-media-thickness-and-cardiac-dysfunction-in-patients-with-cardiac-syndrome-x
#5
Ragab A Mahfouz, Mohammad Goda, Islam Galal, Mohamed S Ghareb
Background & hypothesis: We hypothesized that exaggerated morning blood pressure surge, may contribute in cardiac dysfunction and arterial stiffness in patients with cardiac syndrome X. Thus we investigated the impact of morning blood pressure surge on cardiac function and carotid intima-media thickness in subjects with cardiac syndrome X. METHODS: We studied patients with cardiac syndrome X using ambulatory blood pressure monitoring and investigated the association of morning blood pressure surge with carotid intima thickness, left atrial volume index and left ventricular filling (E/e')...
May 23, 2018: Blood Pressure
https://www.readbyqxmd.com/read/29788955/effect-of-canagliflozin-on-left-ventricular-diastolic-function-in-patients-with-type-2-diabetes
#6
Daisuke Matsutani, Masaya Sakamoto, Yosuke Kayama, Norihiko Takeda, Ryuzo Horiuchi, Kazunori Utsunomiya
BACKGROUND: Type 2 diabetes mellitus (T2DM) greatly increases the risks of cardiovascular disease and heart failure. In particular, left ventricular diastolic dysfunction that develops from the early stages of T2DM is an important factor in the onset and exacerbation of heart failure. The effect of sodium-glucose cotransporter 2 inhibitors on left ventricular diastolic function has not been elucidated. We have performed the first prospective study on the effects of canagliflozin on left ventricular diastolic function in T2DM...
May 22, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29788047/haemodynamics-dyspnoea-and-pulmonary-reserve-in-heart-failure-with-preserved-ejection-fraction
#7
Masaru Obokata, Thomas P Olson, Yogesh N V Reddy, Vojtech Melenovsky, Garvan C Kane, Barry A Borlaug
Aims: Increases in left ventricular filling pressure are a fundamental haemodynamic abnormality in heart failure with preserved ejection fraction (HFpEF). However, very little is known regarding how elevated filling pressures cause pulmonary abnormalities or symptoms of dyspnoea. We sought to determine the relationships between simultaneously measured central haemodynamics, symptoms, and lung ventilatory and gas exchange abnormalities during exercise in HFpEF. Methods and results: Subjects with invasively-proven HFpEF (n = 50) and non-cardiac causes of dyspnoea (controls, n = 24) underwent cardiac catheterization at rest and during exercise with simultaneous expired gas analysis...
May 19, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29785232/effects-of-fasudil-on-patients-with-pulmonary-hypertension-associated-with-left-ventricular-heart-failure-with-preserved-ejection-fraction-a-prospective-intervention-study
#8
Xiang Zhang, Xueming Zhang, Saihua Wang, Jun Luo, Zhihong Zhao, Changzhu Zheng, Jieyan Shen
Background: Pulmonary hypertension due to left ventricular heart failure with preserved ejection fraction (PH-HFpEF) is an increasingly medical problem. The aim of the study was to evaluate the clinical efficacy of fasudil on PH-HFpEF elderly patients and to figure out the subtype of PH-HFpEF which may be the therapeutic object of fasudil. Method: 58 PH-HFpEF elderly patients were enrolled. Patients were diagnosed with passive pulmonary hypertension (PPH) or reactive pulmonary hypertension (RPH) by right heart catheterization and all receiving Rho kinase inhibitor fasudil for 2 weeks...
2018: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29782281/-effect-of-chronic-kidney-disease-on-the-formation-of-diastolic-heart-dysfunction-in-heart-failure-patients-with-preserved-ejection-fraction
#9
O B Kuzmin, V V Zezha, V V Belyanin, N V Buchneva
Chronic kidney disease is observed in most patients with CHF with preserved ejection fraction (HFpEF) and presents a major risk factor facilitating development and progression of LV diastolic dysfunction. The review focused on the effect of chronic kidney disease on intracellular signaling pathways affecting stiffness and diastolic relaxation of cardiomyocytes in response to inflammation and endothelial dysfunction of coronary capillaries, excessive sympathetic activation, and dysregulation of natriuretic peptides, which directly participate in the development of CHF...
2018: Kardiologiia
https://www.readbyqxmd.com/read/29781842/application-of-echocardiographic-data-in-patients-with-chronic-kidney-disease
#10
Ruth F Dubin
PURPOSE OF REVIEW: Patients with chronic kidney disease (CKD) are at a high risk for cardiovascular events and mortality, particularly heart failure. Echocardiography is the most commonly used diagnostic imaging modality for heart failure. The purpose of this review is to summarize recent literature that demonstrates how echocardiography may be used to define cardiac structure and function in the CKD population and to identify echocardiographic abnormalities that have utility in predicting clinical outcomes in this population...
May 16, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29781568/diastolic-dysfunction-is-associated-with-exercise-impairment-in-patients-with-sickle-cell-anemia
#11
Tarek Alsaied, Omar Niss, Adam W Powell, Robert J Fleck, James F Cnota, Clifford Chin, Punam Malik, Charles T Quinn, Michael D Taylor
BACKGROUND: Left ventricular diastolic dysfunction (DD) is an independent risk factor for mortality in sickle cell anemia (SCA) and is associated with increased extracellular volume (ECV) on cardiac MRI (CMR). Exercise impairment is common in SCA, but its causes and prognostic value are not well understood. OBJECTIVE: To study the effects of DD and ECV on cardiopulmonary exercise test (CPET) in patients with SCA. METHODS AND RESULTS: As part of a prospective study to characterize the cardiomyopathy of SCA (NCT02410811), 20 children and adults with SCA underwent CMR, echocardiography, and cycle ergometer CPET (age range 8-43 years)...
May 21, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29781109/rate-pressure-product-and-the-components-of-heart-rate-and-systolic-blood-pressure-in-hospitalized-heart-failure-patients-with-preserved-ejection-fraction-insights-from-ascend-hf
#12
Amanda K Verma, Jie-Lena Sun, Adrian Hernandez, John R Teerlink, Phillip J Schulte, Justin Ezekowitz, Adriaan Voors, Randall Starling, Paul Armstrong, Christopher M O'Conner, Robert J Mentz
BACKGROUND: Heart rate (HR) and systolic blood pressure (SBP) are prognostic markers in heart failure with reduced ejection fraction (HFrEF). Their combination in rate-pressure product (RPP) as well as their role in heart failure with preserved ejection fraction (HFpEF) remains unclear. METHODS: We performed an analysis of ASCEND-HF (clinicaltrials.gov; NCT00476852), which studied 7141 patients with acute HF. HFpEF was defined as left ventricular ejection fraction (LVEF) ≥40%...
May 20, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29778859/diagnosis-of-nonischemic-stage-b-heart-failure-in-type-2-diabetes-mellitus-optimal-parameters-for-prediction-of-heart-failure
#13
Ying Wang, Hong Yang, Quan Huynh, Mark Nolan, Kazuaki Negishi, Thomas H Marwick
OBJECTIVES: This study sought to identify whether impaired global longitudinal strain (GLS), diastolic dysfunction (DD), or left atrial enlargement (LAE) should be added to stage B heart failure (SBHF) criteria in asymptomatic patients with type 2 diabetes mellitus. BACKGROUND: SBHF is a precursor to clinical heart failure (HF), and its recognition justifies initiation of cardioprotective therapy. However, original definitions of SBHF were based on LV hypertrophy and impaired ejection fraction...
May 11, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29778808/maternal-treatment-with-a-placental-targeted-antioxidant-mitoq-impacts-offspring-cardiovascular-function-in-a-rat-model-of-prenatal-hypoxia
#14
Mais M Aljunaidy, Jude S Morton, Raven Kirschenman, Tom Phillips, C Patrick Case, Christy-Lynn M Cooke, Sandra T Davidge
Intrauterine growth restriction, a common consequence of prenatal hypoxia, is a leading cause of fetal morbidity and mortality with a significant impact on population health. Hypoxia may increase placental oxidative stress and lead to an abnormal release of placental-derived factors, which are emerging as potential contributors to developmental programming. Nanoparticle-linked drugs are emerging as a novel method to deliver therapeutics targeted to the placenta and avoid risking direct exposure to the fetus...
May 17, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29776809/the-presence-of-fragmented-qrs-is-associated-with-increased-epicardial-adipose-tissue-and-subclinical-myocardial-dysfunction-in-healthy-individuals
#15
Mehmet Yaman, Ugur Arslan, Adil Bayramoglu, Osman Bektas, Zeki Yuksel Gunaydin, Ahmet Kaya
AIM: The aim of this study was to measure epicardial adipose tissue (EAT) and to assess left ventricular (LV) systolic and diastolic function in a healthy population grouped according to the presence of fragmented QRS (fQRS). METHODS: In this prospective case-control study, the study population consisted of 308 healthy individuals who were divided into two groups according to the existence of fQRS: 180 fQRS(+) individuals (with fQRS), and 128 age- and gender-matched fQRS(-) individuals (without fQRS)...
May 15, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29776421/evidence-for-a-hyper-reductive-redox-in-a-sub-set-of-heart-failure-patients
#16
Thiagarajan Sairam, Amit N Patel, Meenu Subrahmanian, Rajendiran Gopalan, Steven M Pogwizd, Sudha Ramalingam, Ramalingam Sankaran, Namakkal Soorapan Rajasekaran
BACKGROUND: Oxidative stress has been linked to heart failure (HF) in humans. Antioxidant-based treatments are often ineffective. Therefore, we hypothesize that some of the HF patients might have a reductive stress (RS) condition. Investigating RS-related mechanisms will aid in personalized optimization of redox homeostasis for better outcomes among HF patients. METHODS: Blood samples were collected from HF patients (n = 54) and healthy controls (n = 42) and serum was immediately preserved in - 80 °C for redox analysis...
May 18, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29774373/cardiovascular-system-changes-in-rheumatoid-arthritis-patients-with-continued-low-disease-activity
#17
Małgorzata Biskup, Wojciech Biskup, Maria Majdan, Bożena Targońska-Stępniak
Systemic inflammation and disease activity seem to contribute to excessive prevalence of cardiovascular (CV) diseases (CVDs) in patients with rheumatoid arthritis (RA). The objective of the study was to assess chosen CV parameters in RA patients who have continuous low disease activity. The study group consisted of 70 RA patients without known CVD and 33 healthy controls, of a comparable age. All RA patients had continued low disease activity (DAS28 ≤ 3.2) from 2 to 7 years. The groups were assessed for: blood pressure, serum amino-terminal pro-brain natriuretic peptide (NT-proBNP), carotid intima media thickness (cIMT), electrocardiography (ECG), ejection fraction (EJ) and diastolic dysfunction (E/A ratio) in echocardiography...
May 17, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29773993/diabetic-cardiomyopathy-impact-of-biological-sex-on-disease-development-and-molecular-signatures
#18
REVIEW
Ryan Toedebusch, Anthony Belenchia, Lakshmi Pulakat
Diabetic cardiomyopathy refers to a unique set of heart-specific pathological variables induced by hyperglycemia and insulin resistance. Given that cardiovascular disease (CVD) is the leading cause of death in the world, and type 2 diabetes incidence continues to rise, understanding the complex interplay between these two morbidities and developing novel therapeutic strategies is vital. Two hallmark characteristics specific to diabetic cardiomyopathy are diastolic dysfunction and cardiac structural mal-adaptations, arising from cardiac cellular responses to the complex toxicity induced by hyperglycemia with or without hyperinsulinemia...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29773163/epicardial-adipose-tissue-may-mediate-deleterious-effects-of-obesity-and-inflammation-on-the-myocardium
#19
REVIEW
Milton Packer
Epicardial adipose tissue has unique properties that distinguish it from other depots of visceral fat. Rather than having distinct boundaries, the epicardium shares an unobstructed microcirculation with the underlying myocardium, and in healthy conditions, produces cytokines that nourish the heart. However, in chronic inflammatory disorders (especially those leading to heart failure with preserved ejection fraction), the epicardium becomes a site of deranged adipogenesis, leading to the secretion of proinflammatory adipokines that can cause atrial and ventricular fibrosis...
May 22, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29772353/cardiac-profile-of-chimeric-antigen-receptor-car-t-cell-therapy-in-children-a-single-institution-experience
#20
Danielle Burstein, Shannon Maude, Stephen Grupp, Heather Griffis, Joseph Rossano, Kimberly Lin
BACKGROUND: Immunotherapy with chimeric antigen receptor (CAR)-modified T-cells targeting CD19 for pediatric acute lymphoblastic leukemia (ALL) has demonstrated significant efficacy. The principle toxicity is cytokine release syndrome with resultant hypotension. However, the spectrum of cardiovascular effects associated with CAR T-cell therapy has not been systematically evaluated. METHODS: We reviewed all patients who received CD19-directed CAR T-cells at the Children's Hospital of Philadelphia between April 2012 and September 2016...
May 14, 2018: Biology of Blood and Marrow Transplantation
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