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heart failure and diet

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https://www.readbyqxmd.com/read/27929093/plant-based-foods-containing-cell-wall-polysaccharides-rich-in-specific-active-monosaccharides-protect-against-myocardial-injury-in-rat-myocardial-infarction-models
#1
Sun Ha Lim, Yaesil Kim, Ki Na Yun, Jin Young Kim, Jung-Hee Jang, Mee-Jung Han, Jongwon Lee
Many cohort studies have shown that consumption of diets containing a higher composition of foods derived from plants reduces mortality from coronary heart disease (CHD). Here, we examined the active components of a plant-based diet and the underlying mechanisms that reduce the risk of CHD using three rat models and a quantitative proteomics approach. In a short-term myocardial infarction (MI) model, intake of wheat extract (WE), the representative cardioprotectant identified by screening approximately 4,000 samples, reduced myocardial injury by inhibiting apoptosis, enhancing ATP production, and maintaining protein homeostasis...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27927713/high-fibre-diet-and-acetate-supplementation-change-the-gut-microbiota-and-prevent-the-development-of-hypertension-and-heart-failure-in-doca-salt-hypertensive-mice
#2
Francine Z Marques, Erin M Nelson, Po-Yin Chu, Duncan Horlock, April Fiedler, Mark Ziemann, Jian K Tan, Sanjaya Kuruppu, Niwanthi W Rajapakse, Assam El-Osta, Charles R Mackay, David M Kaye
BACKGROUND: -Dietary intake of fruit and vegetables is associated with lower incidence of hypertension, but the mechanisms involved have not been elucidated. Here we evaluated the effect of a high fibre diet and supplementation with the short-chain fatty acid (SFCA) acetate on the gut microbiota and the prevention of cardiovascular disease. METHODS: -Gut microbiome, cardiorenal structure/function and blood pressure were examined in sham and mineralocorticoid-excess treated mice with a control diet, high fibre diet or acetate supplementation...
December 7, 2016: Circulation
https://www.readbyqxmd.com/read/27922176/dipeptidyl-peptidase-4-inhibitor-sitagliptin-reduces-inflammation-fibrosis-and-preserves-diastolic-function-in-a-rat-model-of-heart-failure-with-preserved-ejection-fraction
#3
Grazia Esposito, Donato Cappetta, Rosa Russo, Alessia Rivellino, Loreta Pia Ciuffreda, Fiorentina Roviezzo, Elena Piegari, L Liberato Berrino, Francesco Rossi, Antonella De Angelis, Konrad Urbanek
BACKGROUND AND PURPOSE: Heart failure with preserved ejection fraction (HFpEF) is a systemic syndrome driven by co-morbidities and its pathophysiology is poorly understood. Several studies suggesting that dipeptidyl peptidase 4 (DPP4) might be involved in the pathophysiology of heart failure prompted experimental and clinical investigations of DPP4 inhibitors on cardiovascular system. The aim of our study was to determine whether DPP4 inhibitor sitagliptin (SITA) affects the progression of HFpEF independently from the effects on glycaemia...
December 6, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27917437/nicotine-plus-a-high-fat-diet-triggers-cardiomyocyte-apoptosis
#4
Indrani Sinha-Hikim, Theodore C Friedman, Mark Falz, Victor Chalfant, Mohammad Kamrul Hasan, Jorge Espinoza-Derout, Desean L Lee, Carl Sims, Peter Tran, Sushil K Mahata, Amiya P Sinha-Hikim
Cigarette smoking is an important risk factor for diabetes, cardiovascular disease and non-alcoholic fatty liver disease. The health risk associated with smoking can be aggravated by obesity. Smoking might also trigger cardiomyocyte (CM) apoptosis. Given that CM apoptosis has been implicated as a potential mechanism in the development of cardiomyopathy and heart failure, we characterize the key signaling pathways in nicotine plus high-fat diet (HFD)-induced CM apoptosis. Adult C57BL6 male mice were fed a normal diet (ND) or HFD and received twice-daily intraperitoneal (IP) injections of nicotine (0...
December 5, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27909891/canola-oil-rich-in-oleic-acid-improves-diastolic-heart-function-in-diet-induced-obese-rats
#5
Sijo Joseph Thandapilly, Pema Raj, Xavier Lieben Louis, Danielle Perera, Prasanga Yamanagedara, Peter Zahradka, Carla G Taylor, Thomas Netticadan
Obesity is a leading cause of cardiovascular disease. It directly affects heart structure and function and contributes to heart failure. Diet is a major factor involved in the development of obesity along with genetic factors. We examined the effects of monounsaturated and polyunsaturated fatty acid-rich oils on cardiac structure and function in the diet-induced rodent model of obesity (DIO). Obese prone (OP) rats were fed a high-fat diet (HF; 55% of kcal) for 12 weeks; Sprague-Dawley rats fed commercial chow served as control...
December 1, 2016: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/27904019/clinical-characteristics-and-social-frailty-of-super-elderly-patients-with-heart-failure%C3%A3-the-kitakawachi-clinical-background-and-outcome-of-heart-failure-registry
#6
Kensuke Takabayashi, Akihiro Ikuta, Yoshinori Okazaki, Mariko Ogami, Kotaro Iwatsu, Koichi Matsumura, Tsutomu Ikeda, Tahei Ichinohe, Yuko Morikami, Takashi Yamamoto, Ryoko Fujita, Kotoe Takenaka, Hiroyuki Takenaka, Yoshisumi Haruna, Hiroyuki Muranaka, Masaaki Ozaki, Tetsuhisa Kitamura, Shouji Kitaguchi, Ryuji Nohara
BACKGROUND: Social background is important in preventing admission/readmission of heart failure (HF) patients. However, few clinical studies have been conducted to assess the social background of these patients, especially elderly patients.Methods and Results:The Kitakawachi Clinical Background and Outcome of Heart Failure (KICKOFF) Registry is a prospective multicenter community-based cohort of HF patients, established in April 2015. We compared the clinical characteristics and social background of the super-elderly group (≥85 years old) and the non-super-elderly group (<85 years old)...
November 30, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27903829/long-term-adherence-to-low-sodium-diet-in-patients-with-heart-failure
#7
Misook L Chung, Linda Park, Susan K Frazier, Terry A Lennie
Although following a low-sodium diet (LSD) for heart failure (HF) has been recommended for decades, little is known about factors related to long-term patient adherence. The purposes of this study were to (a) compare sodium intake and factors affecting adherence in a long-term adherent group and in a non-adherent group and (b) examine predictors of membership in the long-term adherent group. Patients with HF (N = 74) collected 24-hr urine samples and completed the Dietary Sodium Restriction Questionnaire and the Patient Health Questionnaire-9...
November 30, 2016: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/27876471/cobalamin-and-folate-protect-mitochondrial-and-contractile-functions-in-a-murine-model-of-cardiac-pressure-overload
#8
Jérôme Piquereau, Maryline Moulin, Giada Zurlo, Philippe Mateo, Mélanie Gressette, Jean-Louis Paul, Christophe Lemaire, Renée Ventura-Clapier, Vladimir Veksler, Anne Garnier
PGC-1α, a key regulator of energy metabolism, seems to be a relevant therapeutic target to rectify the energy deficit observed in heart failure (HF). Since our previous work has shown positive effects of cobalamin (Cb) on PGC-1α cascade, we investigate the protective role of Cb in pressure overload-induced myocardial dysfunction. Mice were fed with normal diet (ND) or with Cb and folate supplemented diet (SD) 3weeks before and 4weeks after transverse aortic constriction (TAC). At the end, left ventricle hypertrophy and drop of ejection fraction were significantly lower in SD mice than in ND mice...
November 19, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27852654/cobalt-cardiomyopathy-a-critical-reappraisal-in-light-of-a-recent-resurgence
#9
Milton Packer
Cobalt can cause a distinctive, rapidly progressive and reversible depression of cardiac systolic function, which is readily distinguished from other causes of cardiomyopathy. Patients present with the subacute onset of severe heart failure, which is accompanied by hypotension and cyanosis, pericardial effusion, low voltage on the electrocardiogram, marked elevation of serum enzymes, and lactic acidosis. They typically have a history of lethargy, anorexia, and weight loss in the months preceding the illness and exhibit other evidence of cobalt's effects on the body (eg, polycythemia and goiter)...
December 2016: Circulation. Heart Failure
https://www.readbyqxmd.com/read/27832814/obesity-induced-cardiac-lipid-accumulation-in-adult-mice-is-modulated-by-g-protein-coupled-receptor-kinase-2-levels
#10
Elisa Lucas, Rocio Vila-Bedmar, Alba C Arcones, Marta Cruces-Sande, Victoria Cachofeiro, Federico Mayor, Cristina Murga
BACKGROUND: The leading cause of death among the obese population is heart failure and stroke prompted by structural and functional changes in the heart. The molecular mechanisms that underlie obesity-related cardiac remodeling are complex, and include hemodynamic and metabolic alterations that ultimately affect the functionality of the myocardium. G protein-coupled receptor kinase 2 (GRK2) is an ubiquitous kinase able to desensitize the active form of several G protein-coupled receptors (GPCR) and is known to play an important role in cardiac GPCR modulation...
November 10, 2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27829460/renal-function-estimation-and-cockroft-gault-formulas-for-predicting-cardiovascular-mortality-in-population-based-cardiovascular-risk-heart-failure-and-post-myocardial-infarction-cohorts-the-heart-omics-in-ageing-homage-and-the-high-risk-myocardial-infarction
#11
João Pedro Ferreira, Nicolas Girerd, Pierpaolo Pellicori, Kevin Duarte, Sophie Girerd, Marc A Pfeffer, John J V McMurray, Bertram Pitt, Kenneth Dickstein, Lotte Jacobs, Jan A Staessen, Javed Butler, Roberto Latini, Serge Masson, Alexandre Mebazaa, Hans Peter Brunner-La Rocca, Christian Delles, Stephane Heymans, Naveed Sattar, J Wouter Jukema, John G Cleland, Faiez Zannad, Patrick Rossignol
BACKGROUND: Renal impairment is a major risk factor for mortality in various populations. Three formulas are frequently used to assess both glomerular filtration rate (eGFR) or creatinine clearance (CrCl) and mortality prediction: body surface area adjusted-Cockcroft-Gault (CG-BSA), Modification of Diet in Renal Disease Study (MDRD4), and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. The CKD-EPI is the most accurate eGFR estimator as compared to a "gold-standard"; however, which of the latter is the best formula to assess prognosis remains to be clarified...
November 10, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27815373/inhibiting-insulin-mediated-%C3%AE-2ar-activation-prevents-diabetes-associated-cardiac-dysfunction
#12
Qingtong Wang, Yongming Liu, Qin Fu, Bing Xu, Yuan Zhang, Sungjin Kim, Ruensern Tan, Federica Barbagallo, Toni M West, Ethan J Anderson, Wei Wei, E Dale Abel, Yang K Xiang
BACKGROUND: -Type-2 diabetes and obesity independently increases the risk of heart failure via incompletely understood mechanisms. We propose that hyperinsulinemia might promote adverse consequences in hearts of subjects with type-2 diabetes and obesity. METHODS: -High fat diet feeding was used to induce obesity and diabetes in wild type mice or mice lacking β 2-adrenergic receptor (β2AR) or β -arrestin2. Wild type mice fed with high fat diet were treated with β -blocker carvedilol or G-protein receptor kinase 2 (GRK2) inhibitor...
November 4, 2016: Circulation
https://www.readbyqxmd.com/read/27802898/oxymatrine-attenuated-isoproterenol-induced-heart-failure-in-rats-via-regulation-of-cox-2-pgi2-pathway
#13
Ru Zhou, Qingbin Xu, Yehua Xu, Aiqin Xiong, Yang Wang, Ping Ma
Oxymatrine (OMT) is an active constituent of traditional Chinese herb Sophora japonica Ait which has been shown to exert potent anti-inflammatory,anti-oxidant and anti-fibrosis properties. Our previous studies have demonstrated that OMT has protective effects on isoproterenol-induced heart failure in rats through regulation of DDAH/ADMA metabolism pathway.In this study,we further investigated whether OMT could attenuate isoproterenol-induced heart failure through the regulation of COX-2/PGI2 pathway. Heart failure was induced in Sprague-Dawley rats by 5mg/kg isoproterenol subcutaneous injection for 7days...
October 29, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27756851/does-the-theory-of-planned-behavior-predict-dietary-sodium-intake-in-patients-with-heart-failure
#14
Jia-Rong Wu, Terry A Lennie, Sandra B Dunbar, Susan J Pressler, Debra K Moser
Sodium intake in heart failure (HF) is a crucial but poorly understood phenomenon. Theoretical models promote understanding and provide a context for rational appraisal of complex situations. The purpose of this study was to determine which factors were associated with sodium intake in HF patients using theory of planned behavior (TPB). In this study, patients' (N = 244) attitudes, subjective norms, and perceived behavioral control (tenets of the TPB) were assessed using the Dietary Sodium Restriction Questionnaire...
October 18, 2016: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/27754055/os-15-03-a-novel-mechanism-for-aldosterone-production-through-beta-3-adrenergic-receptor-%C3%AE-3-ar-in-heart-failure
#15
Kaoru Yamashita, Atsuhiro Ichihara, Kentaro Ito, Naohiro Yoshida, Fumiko Mitani, Jin Endo, Motoaki Sano, Keiichi Fukuda, Satoshi Morimoto
OBJECTIVE: Numerous clinical trials demonstrated that renin-angiotensin-aldosterone system (RAAS) was involved in the pathogenesis of hypertension-induced heart failure. While RAS is a major machinery required for aldosterone production, multiple minor systems, including catecholamine, could give rise to the aberrant aldosterone production beyond the RAS activation. We investigated the mechanism underlying the RAS-independent aldosterone production in heart failure. DESIGN AND METHOD: Dahl-salt sensitive rats fed high salt diet developed malignant hypertension, resulting in heart failure with inappropriately increased plasma aldosterone level...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27754016/br-04-2-concentration-response-modeling-of-antihypertensive-drugs-implication-in-clinical-development
#16
Dong-Seok Yim
In the early phase of clinical development of antihypertensive drugs, quantitative modeling to predict their dose-concentration-response relationship is important to plan future clinical development and finding optimal dosage regimen at marketing approval. Two cases of concentration-response models of antihypertensive are presented here.Case 1: Carvedilol is a α1- and nonselective β- adrenergic receptor antagonist currently used for the management of mild-to-moderate essential hypertension and congestive heart failure...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753997/ed-07-2-to-lift-walk-or-run-what-is-the-optimal-mode-of-exercise-to-reduce-hypertension-and-prevent-cardiovascular-disease
#17
Peter Kokkinos
A plethora of evidence exists supporting that structured aerobic exercise or activities that increase cardiorespiratory fitness (CRF) lower resting blood pressure (BP) in patients with hypertension (HTN). Relatively few studies have assessed the effects of anaerobic or resistance exercise on BP. Thus, its role in managing HTN is not defined. Also, possible risks related with exercise in hypertensive patients have not been adequately addressed.In addition to lowering BP, CRF attenuates the incidence of HTN. A substantial part of the age-related progression to HTN is not an inevitable outcome of aging as once thought, but a consequence of lifestyle characterized by high-fat/salt diets and physical inactivity...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753873/ish-aha-2-a-case-of-chronic-indolent-pheochromocytoma-which-caused-medically-controlled-hypertension-but-treatment-resistant-diabetes-mellitus
#18
Hae-Young Lee, Chan-Soon Park, Sang-Hoon Na, Kyung-Jin Kim, Chan Joo Lee, Sungha Park
A 47-year-old woman was admitted via emergency department due to dyspnea NYHA Fc II-III aggravated for 2 months after upper respiratory infection. Her height and body weight were 161 cm / 67 kg. Initial vital signs were 110/70 mmHg - 112 BPM - 24/min - 36.5°C. Chest PA showed cardiomegaly and pulmonary congestion (Figure 1). B-natriuretic peptide level was markedly increased (2002 pg/mL, normal range ≤ 100 pg/mL). The echocardiographic examination showed severely dilated LV cavity (61/72 mm) and severe LV systolic dysfunction (EF 28%) with normal left ventricular wall thickness (9/11 mm) (Figure 2)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753866/poa-01-2-direct-vs-indirect-link-between-sodium-intake-and-vascular-disease
#19
Yuhei Kawano
The relationship between salt and hypertension is well established, and salt restriction is widely recommended in the management of hypertension. However, people living in northeast Asia have consumed large amount of salt, and the prevalence of hypertension and the incidence of stroke have been high in that area. Mechanisms of salt-induced hypertension may be complex, but volume expansion in the presence of impaired natriuretic capacity of the kidney and action on the central nervous system and neurohormoral pathways seem to be important...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27749986/insulin-secretagogues-for-prevention-or-delay-of-type-2-diabetes-mellitus-and-its-associated-complications-in-persons-at-increased-risk-for-the-development-of-type-2-diabetes-mellitus
#20
REVIEW
Bianca Hemmingsen, David Peick Sonne, Maria-Inti Metzendorf, Bernd Richter
BACKGROUND: The projected rise in the incidence of type 2 diabetes mellitus (T2DM) could develop into a substantial health problem worldwide. Whether insulin secretagogues (sulphonylureas and meglitinide analogues) are able to prevent or delay T2DM and its associated complications in people at risk for the development of T2DM is unknown. OBJECTIVES: To assess the effects of insulin secretagogues on the prevention or delay of T2DM and its associated complications in people with impaired glucose tolerance, impaired fasting blood glucose, moderately elevated glycosylated haemoglobin A1c (HbA1c) or any combination of these...
October 17, 2016: Cochrane Database of Systematic Reviews
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