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heart failure and diet

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https://www.readbyqxmd.com/read/29969785/adenine-induced-chronic-renal-failure-in-rats-a-model-of-chronic-renocardiac-syndrome-with-left-ventricular-diastolic-dysfunction-but-preserved-ejection-fraction
#1
Pavlos Kashioulis, Jaana Lundgren, Emman Shubbar, Lisa Nguy, Aso Saeed, Cecilia Wallentin Guron, Gregor Guron
BACKGROUND/AIMS: Cardiovascular disease is the major cause of death in patients with chronic kidney disease (CKD). Rats with adenine-induced chronic renal failure (ACRF) develop severe renal insufficiency and metabolic abnormalities that closely resemble those in patients with uremia. The aim of the present study was to determine left ventricular (LV) morphology and function in rats with ACRF. METHODS: Male Sprague-Dawley rats received either chow containing adenine or were pair-fed an identical diet without adenine (controls, C)...
July 3, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29949894/dietary-patterns-in-secondary-prevention-of-heart-failure-a-systematic-review
#2
REVIEW
Gabriela Dos Reis Padilha, Karina Sanches Machado d'Almeida, Stefanny Ronchi Spillere, Gabriela Corrêa Souza
BACKGROUND: Diet is an important factor in secondary prevention of heart failure (HF) but there is still no consensus as to which dietary model should be adopted by this population. This systematic review aims to clarify the relationship between dietary patterns and secondary prevention in HF. METHODS: We searched the Medline, Embase and Cochrane databases for studies with different dietary patterns and outcomes of secondary prevention in HF. No limitation was used in the search...
June 26, 2018: Nutrients
https://www.readbyqxmd.com/read/29907698/selective-activation-of-retinoic-acid-%C3%AE-2-receptors-exerts-cardioprotective-effects
#3
Alice Marino, Takuya Sakamoto, Xiao-Han Tang, Lorraine J Gudas, Roberto Levi
We previously discovered that oral treatment with AC261066, a synthetic selective agonist for the retinoic acid β2-receptor (RARβ2), decreases oxidative stress in the liver, pancreas, and kidney of mice fed a high-fat diet (HFD). Since hyperlipidemic states are causally associated with myocardial ischemia and oxidative stress, we have now investigated the effects of AC261066 in an ex-vivo ischemia/reperfusion (I/R) injury model in hearts of two prototypic dysmetabolic mice. We found that a 6-week oral treatment with AC261066 in both genetically hypercholesterolemic (ApoE-/-) and obese (HFD-fed) wild-type mice exerts protective effects when their hearts are subsequently subjected to I/R ex vivo in the absence of added drug...
June 15, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29892479/a-review-of-plant-based-diets-to-prevent-and-treat-heart-failure
#4
REVIEW
Conor P Kerley
Evidence supporting the role of nutrition in heart failure (HF) incidence and severity is growing. A comprehensive search of online databases was conducted using relevant keywords to identify human studies including diet and HF. Several plant-based diets have consistently been associated with decreased HF incidence and severity, notably the Dietary Approaches to Stop Hypertension (DASH) and Mediterranean diets. Several other plant-based dietary patterns, including low-fat diets and the rice diet, also show promise...
May 2018: Cardiac failure review
https://www.readbyqxmd.com/read/29887449/iron-deficiency-without-anemia-is-responsible-for-decreased-left-ventricular-function-and-reduced-mitochondrial-complex-i-activity-in-a-mouse-model
#5
Emmanuel Rineau, Thomas Gaillard, Naïg Gueguen, Vincent Procaccio, Daniel Henrion, Fabrice Prunier, Sigismond Lasocki
BACKGROUND: Iron deficiency (ID), with or without anemia, is frequent in heart failure patients, and iron supplementation improves patient condition. However, the link between ID (independently of anemia) and cardiac function is poorly understood, but could be explained by an impaired mitochondrial metabolism. Our aim was to explore this hypothesis in a mouse model. METHODS AND RESULTS: We developed a mouse model of ID without anemia, using a blood withdrawal followed by 3-weeks low iron diet...
September 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29873513/sodium-intake-but-not-renal-nerves-attenuates-renal-venous-pressure-induced-changes-in-renal-hemodynamics-in-rats
#6
Xiaohua Huang, Shereen M Hamza, Wenqing Zhuang, William A Cupples, Branko Braam
Increased central venous pressure and renal venous pressure (RVP) is associated with worsening of renal function in acute exacerbation of congestive heart failure. We tested whether an acute, isolated elevation of RVP in one kidney leads to ipsilateral renal vasoconstriction and decreased GFR and whether this depends on dietary salt intake or activation of renal nerves. Male Lewis rats received a normal (1% NaCl, NS) or high salt diet (6% NaCl, HS) for ≥14 days before the acute experiment. Rats were then randomized into 3 groups: time control and RVP elevation to either 10 or 20 mmHg to assess heart rate, renal blood flow (RBF) and GFR...
June 6, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29863317/hypertension-update-current-guidelines
#7
Anthony J Viera
Hypertension affects at least 1 in 3 American adults and is a major contributor to premature mortality. Current guidelines recommend screening all adults for hypertension. Ambulatory blood pressure (BP) monitoring should be used to confirm the diagnosis of hypertension for most adults before starting antihypertensive drugs. Ambulatory BP monitoring is the preferred method but home BP monitoring is an acceptable alternative. Management of hypertension substantially reduces the risk of heart failure, stroke, and myocardial infarction...
June 2018: FP Essentials
https://www.readbyqxmd.com/read/29850246/phosphate-and-cardiovascular-disease-beyond-chronic-kidney-disease-and-vascular-calcification
#8
REVIEW
Sinee Disthabanchong
Phosphate is essential for life but its accumulation can be detrimental. In end-stage renal disease, widespread vascular calcification occurs as a result of chronic phosphate load. The accumulation of phosphate is likely to occur long before the rise in serum phosphate above the normal range since several observational studies in both general population and early-stage CKD patients have identified the relationship between high-normal serum phosphate and adverse cardiovascular outcomes. Consumption of food high in phosphate increases both fasting and postprandial serum phosphate and habitual intake of high phosphate diet is associated with aging, cardiac hypertrophy, endothelial dysfunction, and subclinical atherosclerosis...
2018: International Journal of Nephrology
https://www.readbyqxmd.com/read/29806516/impact-of-cardiomems-device-placement-on-lifestyle-modifications-a-pseudo-placebo-effect-beyond-the-expected
#9
Mahmoud Assaad, Robby Singh, Sinan Sarsam, Abbie Bowen, Marcel Zughaib
Introduction Congestive heart failure is a leading cause of cardiovascular mortality and morbidity in the United States and places a significant economic burden on the health care system. The CHAMPION trial showed significant reductions in heart failure hospitalizations and length of stay as well as improvements in quality of life among patients who underwent implantation of the CardioMEMS device (CardioMEMS Inc., Atlanta, GA, USA). While the benefits of the device have been well demonstrated, we explored the "pseudo-placebo" effect of device placement on patients' lifestyle modifications...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29800598/vegetarian-dietary-patterns-and-cardiovascular-disease
#10
REVIEW
Hana Kahleova, Susan Levin, Neal D Barnard
Cardiovascular (CV) disease (CVD) is the leading global cause of mortality, being responsible for 46% of non-communicable disease deaths. It has been estimated that about 85.6 million Americans are living with some form of CVD, which continues to rise. Healthy lifestyle choices may reduce the risk of myocardial infarction by more than 80%, with nutrition playing a key role. Vegetarian dietary patterns reduce CVD mortality and the risk of coronary heart disease (CHD) by 40%. Plant-based diets are the only dietary pattern to have shown reversal of CHD...
May 22, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29795242/interventions-to-promote-cardiometabolic-health-and-slow-cardiovascular-ageing
#11
REVIEW
Luigi Fontana
Cardiovascular ageing and the atherosclerotic process begin very early in life, most likely in utero. They progress over decades of exposure to suboptimal or abnormal metabolic and hormonal risk factors, eventually culminating in very common, costly, and mostly preventable target-organ pathologies, including coronary heart disease, stroke, heart failure, aortic aneurysm, peripheral artery disease, and vascular dementia. In this Review, we discuss findings from preclinical and clinical studies showing that calorie restriction (CR), intermittent fasting, and adjusted diurnal rhythm of feeding, with adequate intake of specific macronutrients and micronutrients, are powerful interventions not only for the prevention of cardiovascular disease but also for slowing the accumulation of molecular damage leading to cardiometabolic dysfunction...
May 23, 2018: Nature Reviews. Cardiology
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
#12
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/29786183/-hyperkalemia-as-a-limiting-factor-in-the-use-of-drugs-that-block-the-renin-angiotensin-aldosterone-system-raas
#13
Antonio Santoro, Marcora Mandreoli
Angiotensin-converting enzyme (ACE-I) inhibitors and ARBs have shown real efficacy in reducing blood pressure, proteinuria, in slowing the progression of chronic kidney disease (MRC) and in clinical improvement. in patients with heart failure, diabetes mellitus and ischemic heart disease. However, their use is limited by some side effects such as the increase in serum potassium (K), which can be particularly severe in patients with renal insufficiency. In the 23,000 patients followed by the PIRP project of the Emilia-Romagna Region, hyperkalaemia at the first visit (K> 5...
May 2018: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29733398/pre-pregnancy-fast-food-and-fruit-intake-is-associated-with-time-to-pregnancy
#14
Jessica A Grieger, Luke E Grzeskowiak, Tina Bianco-Miotto, Tanja Jankovic-Karasoulos, Lisa J Moran, Rebecca L Wilson, Shalem Y Leemaqz, Lucilla Poston, Lesley McCowan, Louise C Kenny, Jenny Myers, James J Walker, Robert J Norman, Gus A Dekker, Claire T Roberts
STUDY QUESTION: Is preconception dietary intake associated with reduced fecundity as measured by a longer time to pregnancy (TTP)? SUMMARY ANSWER: Lower intake of fruit and higher intake of fast food in the preconception period were both associated with a longer TTP. WHAT IS KNOWN ALREADY: Several lifestyle factors, such as smoking and obesity, have consistently been associated with a longer TTP or infertility, but the role of preconception diet in women remains poorly studied...
June 1, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29698642/obesity-and-ventricular-repolarization-a-comprehensive-review
#15
REVIEW
Jad Omran, Brian P Bostick, Albert K Chan, Martin A Alpert
Obesity is known to be a strong predictor of sudden cardiac death. For this reason, concern exists that this association may be related to delayed ventricular repolarization (VR), which has been extensively studied in overweight and obese patients. The corrected QT interval (QTc) and QT or QTc dispersion have been the most commonly-used electrocardiographic methods for assessing VR. Multiple controlled studies demonstrated that QTc and QT or QTc dispersion were significantly longer/greater in overweight and obese subjects than in normal weight controls...
April 23, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29694982/ucp3-ablation-exacerbates-high-salt-induced-cardiac-hypertrophy-and-cardiac-dysfunction
#16
Hongmei Lang, Yang Xiang, Zhihua Ai, Zhiqing You, Xiaolan Jin, Yong Wan, Yongjian Yang
BACKGROUND/AIMS: Excessive salt intake and left ventricular hypertrophy (LVH) are both critical for the development of hypertension and heart failure. The uncoupling protein 3 (UCP3) plays a cardio-protective role in early heart failure development. However, the potential role for UCP3 in salt intake and LVH is unclear. METHODS: UCP3-/- and C57BL/6 mice were placed on either a normal-salt (NS, 0.5%) or a high-salt (HS, 8%) diet for 24 weeks. The cardiac function, endurance capacity, energy expenditure, and mitochondrial functional capacity were measured in each group...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29677191/type-2-diabetic-aldehyde-dehydrogenase-2-mutant-mice-aldh-2-2-exhibiting-heart-failure-with-preserved-ejection-fraction-phenotype-can-be-determined-by-exercise-stress-echocardiography
#17
Guodong Pan, Srikar Munukutla, Ananya Kar, Joseph Gardinier, Rajarajan A Thandavarayan, Suresh Selvaraj Palaniyandi
E487K point mutation of aldehyde dehydrogenase (ALDH) 2 (ALDH2*2) in East Asians intrinsically lowers ALDH2 activity. ALDH2*2 is associated with diabetic cardiomyopathy. Diabetic patients exhibit heart failure of preserved ejection fraction (HFpEF) i.e. while the systolic heart function is preserved in them, they may exhibit diastolic dysfunction, implying a jeopardized myocardial health. Currently, it is challenging to detect cardiac functional deterioration in diabetic mice. Stress echocardiography (echo) in the clinical set-up is a procedure used to measure cardiac reserve and impaired cardiac function in coronary artery diseases...
2018: PloS One
https://www.readbyqxmd.com/read/29643894/characteristics-of-clinical-drugs-for-elderly-chronic-heart-failure-complicated-with-different-degrees-of-renal-insufficiency
#18
Hepeng Yu, Jing Chang, Wenwen Zhong, Ping Ye
Objective: To investigate the characteristics of clinical therapeutic drugs in elderly chronic heart failure (CHF) patients complicated with different degrees of renal insufficiency. Methods: The elderly patients who were hospitalized from October 2010 to October 2015 in our hospital due to CHF for the first time were selected by means of retrospective case collection. The glomerular filtration rate was estimated by using the Modification of Diet in Renal Disease (MDRD) Study equation...
January 2018: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29629485/has-the-time-come-to-be-more-aggressive-with-bariatric-surgery-in-obese-patients-with-chronic-systolic-heart-failure
#19
REVIEW
Amanda R Vest
PURPOSE OF REVIEW: Obesity is a strong risk factor for the development of heart failure (HF). Diet, exercise, and weight-loss pharmacotherapies have limited potential to achieve significant and sustainable weight loss, especially in patients with symptomatic systolic HF. This review seeks to determine the role of bariatric surgery for patients with systolic HF and obesity. RECENT FINDINGS: Bariatric surgeries such as the laparoscopic sleeve gastrectomy (LSG) and Roux-en-Y gastric bypass (RYGB) represent the most successful long-term strategy for achieving weight loss and diabetes and hypertension remission in the general obese population...
June 2018: Current Heart Failure Reports
https://www.readbyqxmd.com/read/29619492/effects-of-ramadan-fasting-on-the-symptoms-of-chronic-heart-failure
#20
Rami M Abazid, Hassan H Khalaf, Haitham I Sakr, Nora A Altorbak, Habiba S Alenzi, Zaki M Awad, Osama A Smettei, Moataz A Elsanan, Adel M Widyan, Ahmed S Azazy, Hassan W Chamsi-Pasha
OBJECTIVES: To investigate the effect of Ramadan fasting on the symptoms of chronic heart failure with a reduced ejection fraction (HFrEF). Globally, more than one billion Muslims fast during Ramadan. Data regarding the effect of fasting in heart failure patients with a reduced ejection fraction are limited. METHODS: We prospectively studied 249 outpatients with HFrEF who undertook Ramadan fasting at tertiary care cardiac center in Saudi Arabia in 2017. We obtained information regarding the clinical assessment, diagnosis, emergency department visits, and hospitalization during and in the month preceding Ramadan...
April 2018: Saudi Medical Journal
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