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https://www.readbyqxmd.com/read/28223818/an-evidence-based-review-on-urate-lowering-treatments-implications-for-optimal-treatment-of-chronic-hyperuricemia
#1
REVIEW
Marilisa Bove, Arrigo Francesco Giuseppe Cicero, Maddalena Veronesi, Claudio Borghi
Several studies suggest that chronic hyperuricemia, the main precursor of gout, is involved in the pathogenesis of different systemic disorders that affect cardiovascular and renal systems, such as hypertension, obesity, hypercholesterolemia, atherosclerosis, metabolic syndrome, chronic heart failure, and chronic kidney disease. Recent epidemiological evidence has shown an increasing trend in the prevalence of hyperuricemia and gout in the Western world: a number of population-based studies estimate a prevalence of up to 21% for hyperuricemia and 1%-4% for gout...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28223437/long-term-administration-of-eicosapentaenoic-acid-improves-post-myocardial-infarction-cardiac-remodeling-in-mice-by-regulating-macrophage-polarization
#2
Masayuki Takamura, Keisuke Kurokawa, Hiroshi Ootsuji, Oto Inoue, Hikari Okada, Ayano Nomura, Shuichi Kaneko, Soichiro Usui
BACKGROUND: Consumption of n-3 fatty acids reduces the incidence of cardiovascular mortality in populations that consume diets rich in fish oil. Eicosapentaenoic acid (EPA) is an n-3 fatty acid known to reduce the frequency of nonfatal coronary events; however, the frequency of mortality after myocardial infarction (MI) is not reduced. The aims of this study were to determine whether long-term administration of EPA regulated cardiac remodeling after MI and to elucidate the underlying therapeutic mechanisms of EPA...
February 21, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28167219/the-pro-or-antiarrhythmic-actions-of-polyunsaturated-fatty-acids-and-of-cholesterol
#3
REVIEW
R Coronel
In this review, the pro- and anti-arrhythmic effects of a diet rich in fish oil fatty acids and hypercholesterolemia will be discussed in relation to two major mechanisms of arrhythmogenesis (triggered activity and re-entry). Whereas a diet rich in fish oil is pro-arrhythmic in relation to re-entry based arrhythmias (as occur in acute myocardial ischemia) and anti-arrhythmic in relation to triggered activity based arrhythmias (as occur in heart failure), the reverse is true for hypercholesterolemia. Changing the lipid composition of cardiomyocytes likely has powerful pro- or anti-arrhythmic consequences, depending on the mechanism of arrhythmias, and has corresponding therapeutic potential...
February 3, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28151071/strategies-to-improve-self-management-in-heart-failure-patients
#4
Mehnosh Toback, Nancy Clark
BACKGROUND: Heart failure is one of the most common causes of hospitalization, hospital readmission and death. Patients with heart failure have many complications, with multiple co-existing diagnoses which result in polypharmacy. Following instructions provided by many physicians, medication adjustments based on changes in their symptoms are required. Behavioral adjustments concerning diet and exercise regime are recommended. Therefore, the patient plays a crucial role in the management of heart failure...
February 2, 2017: Contemporary Nurse
https://www.readbyqxmd.com/read/28134561/long-term-low-dose-dietary-resveratrol-supplement-reduces-cardiovascular-structural-and-functional-deterioration-in-chronic-heart-failure-in-rats
#5
Ismayil Ahmet, Hyun-Jin Tae, Edward G Lakatta, Mark Talan
A short-term exposure to resveratrol at high dosages exerts a remarkable cardioprotective effect. Whether a long-term exposure to resveratrol at low dosages that can be obtained through consumption of a resveratrol-rich diet is beneficial to heart diseases is unknown. We tested the effects of a resveratrol-enriched diet on cardiovascular remodeling of chronic heart failure (CHF) in rats resulting from permanent ligation of left coronary artery. Two weeks after surgery, rats were started on either a resveratrol-enriched (R; 5 mg/kg per day; n = 23) or normal (Control; n = 23) diet for next 10 months...
December 17, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28133855/mediterranean-diet-and-risk-of-heart-failure-results-from-the-predimed-randomized-controlled-trial
#6
Angeliki Papadaki, Miguel Ángel Martínez-González, Angel Alonso-Gómez, Javier Rekondo, Jordi Salas-Salvadó, Dolores Corella, Emilio Ros, Montse Fitó, Ramon Estruch, José Lapetra, Antonio García-Rodriguez, Miquel Fiol, Lluís Serra-Majem, Xavier Pintó, Miguel Ruiz-Canela, Monica Bulló, Mercè Serra-Mir, Jose V Sorlí, Fernando Arós
AIMS: The aim of this study was to evaluate the effect of the Mediterranean diet (MedDiet) on the incidence of heart failure (HF), a pre-specified secondary outcome in the PREDIMED (PREvención con DIeta MEDiterránea) primary nutrition-intervention prevention trial. METHODS AND RESULTS: Participants at high risk of cardiovascular disease were randomly assigned to one of three diets: MedDiet supplemented with extra-virgin olive oil (EVOO), MedDiet supplemented with nuts, or a low-fat control diet...
January 30, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28123309/improvement-of-impaired-diastolic-left-ventricular-function-after-diet-induced-weight-reduction-in-severe-obesity
#7
Sevda Karimian, Juergen Stein, Boris Bauer, Claudius Teupe
BACKGROUND/OBJECTIVES: Obesity is independently associated with left ventricular (LV) diastolic dysfunction and altered cardiac morphology. Morbidity and mortality in patients with diastolic dysfunction are similar to values observed in patients with systolic heart failure. We hypothesized that dysfunctional cardiac responses in people with obesity are reversible after weight loss. Thus, we studied the effect of dietary weight reduction on LV diastolic function as well as on cardiac structure using transthoracic echocardiography and tissue Doppler imaging (TDI)...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28118022/development-of-a-mouse-model-of-metabolic-syndrome-pulmonary-hypertension-and-heart-failure-with-preserved-ejection-fraction-ph-hfpef
#8
Qingqing Meng, Yen-Chun Lai, Neil J Kelly, Marta Bueno, Jeffrey Baust, Timothy Bachman, Dmitry Goncharov, Rebecca R Vanderpool, Josiah E Radder, Jian Hu, Elena Goncharova, Alison Morris, Ana L Mora, Steven D Shapiro, Mark T Gladwin
RATIONALE: Pulmonary hypertension associated with heart failure and preserved ejection fraction (PH-HFpEF; WHO Group II) secondary to left ventricular diastolic dysfunction is the most frequent cause of pulmonary hypertension. It is an increasingly recognized clinical complication of the metabolic syndrome. To date, no effective treatment has been identified and no genetically modifiable mouse model is available for advancing our understanding for PH-HFpEF. METHODS AND MAIN RESULTS: To develop a mouse model of PH-HFpEF, we exposed 36 mouse strains to 20 weeks of high-fat diet (HFD), followed by systematic evaluation of right and left ventricular pressure-volume analysis...
January 24, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28115312/females-are-protected-from-iron-overload-cardiomyopathy-independent-of-iron-metabolism-key-role-of-oxidative-stress
#9
Subhash K Das, Vaibhav B Patel, Ratnadeep Basu, Wang Wang, Jessica DesAulniers, Zamaneh Kassiri, Gavin Y Oudit
BACKGROUND: Sex-related differences in cardiac function and iron metabolism exist in humans and experimental animals. Male patients and preclinical animal models are more susceptible to cardiomyopathies and heart failure. However, whether similar differences are seen in iron-overload cardiomyopathy is poorly understood. METHODS AND RESULTS: Male and female wild-type and hemojuvelin-null mice were injected and fed with a high-iron diet, respectively, to develop secondary iron overload and genetic hemochromatosis...
January 23, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28109619/obesity-and-heart-failure-focus-on-the-obesity-paradox
#10
REVIEW
Salvatore Carbone, Carl J Lavie, Ross Arena
The escalating prevalence of obesity has been linked to substantial increases in both metabolic and cardiovascular disease. Nevertheless, the direct effects of obesity on cardiovascular health and function require further exploration. In particular, the relationship between obesity and cardiac function has received intense scrutiny. Although obesity increases the risk for development of heart failure (HF), it appears to exert a protective effect in patients in whom HF has already been diagnosed (the "obesity paradox")...
February 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28109123/sodium-butyrate-protects-against-high-fat-diet-induced-cardiac-dysfunction-and-metabolic-disorders-in-type-ii-diabetic-mice
#11
Ling Zhang, Jianfeng Du, Naohiro Yano, Hao Wang, Yu Tina Zhao, Dubielecka-Szczerba Patricia, Shougang Zhuang, Eugene Y Chin, Gangjian Qin, Ting C Zhao
Histone deacetylases are recently identified to act as key regulators for cardiac pathophysiology and metabolic disorders. However, the function of histone deacetylase (HDAC) in controlling cardiac performance in type II diabetes and obesity remains unknown. Here we determine whether HDAC inhibition attenuates high fat diet (HFD)-induced cardiac dysfunction and improves metabolic features. Adult mice were fed with either HFD or standard chow food for 24 weeks. Starting at 12 weeks, mice were divided into four groups randomly, in which sodium butyrate (1%), a potent HDAC inhibitor, was provided to chow and HFD-fed mice in drinking water, respectively...
January 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28093996/challenges-related-to-glycemic-control-in-type-2-diabetes-mellitus-patients
#12
Masoumeh Kheirandish, Hamidreza Mahboobi, Maryam Yazdanparast, Mohammad Amjad Kamal
Diabetes mellitus (DM) is a chronic disease with long-term complications. Glycemic control is an important part in management of DM. The first line in treatment of type 2 DM (T2DM) is diet and life style change. Metformin is the first choice of medication in T2DM patients. Sulfonylureas have high risk of hypoglycemia. Glinides are associated with lower risk of hypoglycemia in comparison to sulfonylureas. Also α-glucosidase inhibitors decrease the polysacarides digestion in small intestine and less effective in comparison to metformin and sulfonylureas in lowering hemoglobin A1c (HbA1c)...
January 15, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28077806/low-protein-diet-for-the-prevention-of-renal-failure
#13
Shaw Watanabe
The prevalence of chronic kidney disease (CKD) is estimated to be 8-16% worldwide, and it is increasing. CKD is a risk factor for heart attack and stroke, and it can progress to kidney failure requiring dialysis or transplantation. Recently, diabetic nephropathy has become the most common cause of CKD. In Japan, the cumulative probability of requiring hemodialysis by the age 80 years is 1/50 in males and 1/100 in females. The number of patients under hemodialysis in Japan exceeded 320,000 in 2014, among which 38,000 were newcomers and 27,000 died...
2017: Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
https://www.readbyqxmd.com/read/28062415/cardiomyocyte-specific-ablation-of-cd36-accelerates-the-progression-from-compensated-cardiac-hypertrophy-to-heart-failure
#14
Miranda M Sung, Nikole J Byrne, Ty T Kim, Jody Levasseur, Grant Masson, Jamie Boisvenue, Maria Febbraio, Jason R B Dyck
Previous studies have shown that loss of CD36 protects the heart from dysfunction induced by pressure overload in the presence of diet-induced insulin resistance and/or obesity. The beneficial effects of CD36 ablation in this context are mediated by preventing excessive cardiac fatty acid (FA) entry and reducing lipotoxic injury. However, whether or not the loss of CD36 can prevent pressure overload-induced cardiac dysfunction in the absence of chronic exposure to high circulating FAs is currently unknown. To address this, we utilized a tamoxifen inducible cardiomyocyte-specific CD36 knockout (icCD36KO) mouse and genetically deleted CD36 in adulthood...
January 6, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28051130/the-histone-3-lysine-9-methyltransferase-inhibitor-chaetocin-improves-prognosis-in-a-rat-model-of-high-salt-diet-induced-heart-failure
#15
Tomohiko Ono, Naomi Kamimura, Tomohiro Matsuhashi, Toshihiro Nagai, Takahiko Nishiyama, Jin Endo, Takako Hishiki, Tsuyoshi Nakanishi, Noriaki Shimizu, Hirotoshi Tanaka, Shigeo Ohta, Makoto Suematsu, Masaki Ieda, Motoaki Sano, Keiichi Fukuda, Ruri Kaneda
Histone acetylation has been linked to cardiac hypertrophy and heart failure. However, the pathological implications of changes in histone methylation and the effects of interventions with histone methyltransferase inhibitors for heart failure have not been fully clarified. Here, we focused on H3K9me3 status in the heart and investigated the effects of the histone H3K9 methyltransferase inhibitor chaetocin on prognoses in Dahl salt-sensitive rats, an animal model of chronic heart failure. Chaetocin prolonged survival and restored mitochondrial dysfunction...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28050224/perspectives-from-geriatric-in-patients-with-heart-failure-and-their-caregivers-on-gaps-in-care-quality
#16
Nahid Azad, G Lemay, J Li, M Benzaquen, L Khoury
BACKGROUND: Evidence indicates that care experiences for complex HF patients could be improved by simple organizational and process changes, rather than complex clinical mechanisms. This survey identifies care gaps and recommends simple changes. METHODS: The study utilized both quantitative and qualitative methods at The Ottawa Hospital, Geriatric Medical Unit during a three-month period. RESULTS: Nineteen patients (average age 85, 12 female) surveyed...
December 2016: Canadian Geriatrics Journal: CGJ
https://www.readbyqxmd.com/read/28043708/emerging-roles-of-sodium-glucose-cotransporter-2-inhibitors-in-cardiology
#17
REVIEW
Atsushi Tanaka, Koichi Node
The ultimate goal of treatment in people with diabetes mellitus is to prevent development of cardiovascular (CV) disease, resulting in prolongation of healthy life expectancy. Although impaired glycemic metabolism has a central role in its pathology, a number of studies have demonstrated that remedy for its imbalance cannot necessarily be accomplished as a therapeutic goal. A comprehensive medical approach against multi-factorial pathologies in diabetes, such as insulin resistance, obesity, hypertension, and dyslipidemia, in addition to diet and exercise therapy should be rather performed in the routine clinical setting...
March 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28003648/cardiac-structural-remodeling-in-hypertensive-cardiomyopathy
#18
Si-Jia Sun, Jia-Lu Yao, Lang-Biao Xu, Qing Rui, Nan-Nan Zhang, Min Chen, Yu-Feng Jiang, Hua-Jia Yang, Ya-Feng Zhou
Heart failure with preserved ejection fraction (HFpEF), which is a primary driver of morbidity and mortality, accounts for approximately half of all heart failure cases. Therefore, it is essential to develop preclinical animal models for HFpEF pharmacological treatment strategies. We created a porcine model of severe hypertension and hyperlipidemia by using a combination of deoxycorticosterone acetate (DOCA, 100 mg kg(-1)), Western diet (WD) and angiotensin II infusion. Systolic blood pressure, echocardiography and invasive pressure-volume loop were assessed at baseline, 12 weeks and 18 weeks...
December 22, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28001085/biomarkers-of-dairy-fat-intake-and-risk-of-cardiovascular-disease-a-systematic-review-and-meta-analysis-of-prospective-studies
#19
Jingjing Liang, Quan Zhou, Amakye William Kwame, Yixiang Su, Zheqing Zhang
BACKGROUND: Circulating biomarkers of dairy fat provide objective measures of dairy fat intake and facilitate conclusions relevant to populations with different diets and susceptibility to cardiovascular diseases (CVD). OBJECTIVE: To assess the relationship between circulating pentadecanoic acid (15:0), heptadecanoic acid (17:0) and trans-palmitoleic acid (trans-16:1n-7) and the risk of CVD. METHODS: Pubmed, Medline and Embase were searched for prospective cohort studies of the relationship between biomarkers of dairy fat and CVD risk, which included coronary heart disease (CHD), stroke, heart failure and CVD mortality, supplemented by bibliographies of retrieved articles and previous reviews...
December 21, 2016: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/27998881/cholesterol-paradox-a-correlate-does-not-a-surrogate-make
#20
Robert DuBroff
The global campaign to lower cholesterol by diet and drugs has failed to thwart the developing pandemic of coronary heart disease around the world. Some experts believe this failure is due to the explosive rise in obesity and diabetes, but it is equally plausible that the cholesterol hypothesis, which posits that lowering cholesterol prevents cardiovascular disease, is incorrect. The recently presented ACCELERATE trial dumbfounded many experts by failing to demonstrate any cardiovascular benefit of evacetrapib despite dramatically lowering low-density lipoprotein cholesterol and raising high-density lipoprotein cholesterol in high-risk patients with coronary disease...
March 2017: Evidence-based Medicine
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