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https://www.readbyqxmd.com/read/28805967/prognostic-value-of-exercise-capacity-among-men-undergoing-pharmacologic-treatment-for-erectile-dysfunction-the-fit-project
#1
Robert V Same, Mahmoud Al Rifai, David I Feldman, Kevin L Billups, Clinton A Brawner, Zeina A Dardari, Jonathan K Ehrman, Steven J Keteyian, Mouaz H Al-Mallah, Michael J Blaha
BACKGROUND: Vascular erectile dysfunction (ED) has been identified as a potentially useful risk factor for predicting future cardiovascular events, particularly in younger men. Because these men typically score more favorably on traditional cardiovascular disease risk assessment tools, there exists a gap in knowledge for how to most appropriately identify those men who would benefit from more aggressive treatments. To date, no studies have examined the impact of fitness on cardiovascular outcomes in men with ED...
August 14, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28803689/sun-exposure-influences-the-prognostic-power-of-components-of-mineral-metabolism-in-patients-with-coronary-artery-disease
#2
A Aceña, J A Franco-Peláez, C Gutierrez-Landaluce, A M Pello, C Cristóbal, N Tarín, A Huelmos, R Carda, M L Martín-Mariscal, J Alonso, E González-Parra, M L González-Casaus, Ó Lorenzo, L López Bescos, J Egido, J Tuñón
BACKGROUND AND AIM: Calcidiol (vitamin D metabolite) plasma levels vary with sun exposure (SE). However, it is not known if SE influences its prognostic ability. We have studied the effect of SE on plasma levels of the components of mineral metabolism (calcidiol, fibroblast growth factor-23 [FGF-23], parathormone [PTH], and phosphate [P]) and on their prognostic value in patients with coronary artery disease (CAD). METHODS AND RESULTS: We studied prospectively 704 patients with stable CAD...
June 15, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28801210/the-longitudinal-relationship-between-hand-hip-and-knee-osteoarthritis-and-cardiovascular-events-a-population-based-cohort-study
#3
Tetyana Kendzerska, Peter Jüni, Lauren K King, Ruth Croxford, Ian Stanaitis, Gillian A Hawker
OBJECTIVE: In this population-based cohort study, we examined the association between the presence of symptomatic osteoarthritis (OA) and risk for cardiovascular (CV) events. METHOD: A cohort aged ≥55 years recruited from 1996-98 was followed through provincial health administrative data to 2014. Demographics, joint complaints and functional limitations were collected. Hip, knee and hand OA were defined using a validated definition. Using Cox-regressions, the relationship between OA and a composite CV outcome (myocardial infarction, stroke, angina, heart failure, revascularization) was assessed controlling for age, BMI, sex, pre-existing metabolic factors, comorbidities, income status, primary care exposure and functional limitations...
August 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28795337/the-reverse-metabolic-syndrome-in-the-elderly-is-it-a-catabolic-syndrome
#4
REVIEW
Francesco Curcio, Giuseppe Sasso, Ilaria Liguori, Gaetana Ferro, Gennaro Russo, Michele Cellurale, David Della-Morte, Gaetano Gargiulo, Gianluca Testa, Francesco Cacciatore, Domenico Bonaduce, Pasquale Abete
Traditional risk factors of cardiovascular death in the general population, including body mass index (BMI), serum cholesterol, and blood pressure are also found to relate to outcomes in the geriatric population, but in a differing direction. A higher body mass index, hypercholesterolemia and hypertension are not harmful but even permit better survival at advancing age. This phenomenon is called "reverse epidemiology" or "risk factor paradox" and is also detected in a variety of chronic disease states such as chronic heart failure...
August 9, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28782823/drugs-and-the-kidneys-clinical-pharmacology-perspectives
#5
EDITORIAL
John Vincent
The focus of this edition of Clinical Pharmacolgoy & Therapeutics (CPT) is on drugs and renal function and will not include a detailed discussion of kidney disease and its treatment. It is well recognized that drugs affect the kidneys in different ways, while kidney disease impacts drug metabolism and response. It is impossible to underestimate the value of the kidneys to man in health and disease, from regulation of fluid and electrolyte balance to participating in drug metabolism and transport. Additionally, the kidneys serve as targets for drugs used to treat cardiovascular (CV) diseases including hypertension and heart failure, metabolic diseases such as diabetes mellitus and obesity, chronic kidney disease (CKD), as well as playing a role in the regulation of several hormones...
September 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28782491/the-impact-of-cardiovascular-diseases-on-the-cardiovascular-regulation-during-exercise-in-humans-studies-on-the-metaboreflex-elicited-by-the-post-exercise-muscle-ischemia-method
#6
Antonio Crisafulli
Hemodynamics during dynamic exercise is finely regulated by some neural mechanisms. One of these mechanisms is the metabolic part of the exercise pressor reflex, i.e. the muscle metaboreflex. Hemodynamic response during the metaboreflex is characterised by the recruitment of the reserves in cardiac inotropism, pre-load, after-load and chronotropism. If one of these reserves is exhausted, then the cardiovascular response is achieved by recruiting one of the other reserves, thereby indicating a remarkable plasticity of the control of circulation...
August 4, 2017: Current Cardiology Reviews
https://www.readbyqxmd.com/read/28781146/the-impact-of-foxo-1-to-cardiac-pathology-in-diabetes-mellitus-and-diabetes-related-metabolic-abnormalities
#7
Dimitry A Chistiakov, Alexander N Orekhov, Yuri V Bobryshev
Diabetic heart pathology has a serious social impact due to high prevalence worldwide and significant mortality/invalidation of diabetic patients suffered from cardiomyopathy. The pathogenesis of diabetic and diabetes-related cardiomyopathy is associated with progressive loss and impairment of cardiac function due to adverse effects of metabolic, prooxidant, proinflammatory, and pro-apoptotic stress factors. In the adult heart, the transcriptional factor forkhead box-1 (FOXO-1) is involved in maintaining cardiomyocytes in the homeostatic state and induction of their adaptation to metabolic and pro-oxidant stress stimuli...
August 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28776083/diabetic-cardiomyopathy-a-hyperglycaemia-and-insulin-resistance-induced-heart-disease
#8
REVIEW
Guanghong Jia, Adam Whaley-Connell, James R Sowers
Diabetic cardiomyopathy is characterised in its early stages by diastolic relaxation abnormalities and later by clinical heart failure in the absence of dyslipidaemia, hypertension and coronary artery disease. Insulin resistance, hyperinsulinaemia and hyperglycaemia are each independent risk factors for the development of diabetic cardiomyopathy. The pathophysiological factors in diabetes that drive the development of cardiomyopathy include systemic metabolic disorders, inappropriate activation of the renin-angiotensin-aldosterone system, subcellular component abnormalities, oxidative stress, inflammation and dysfunctional immune modulation...
August 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/28775200/prognostic-value-of-123-i-betamethyl-p-iodophenyl-pentadecanoic-acid-single-photon-emission-computed-tomography-in-patients-with-non-ischemic-heart-failure-with-preserved-ejection-fraction
#9
Hidenobu Hashimoto, Rine Nakanishi, Sunao Mizumura, Yukiko Hashimoto, Yuriko Okamura, Shunsuke Kiuchi, Junichi Yamazaki, Takanori Ikeda
Myocardial fatty acid metabolism imaging using (123)I-betamethyl-p-iodophenyl-pentadecanoic acid single-photon emission computed tomography (BMIPP-SPECT) is a useful modality for identifying high-risk patients with known ischemic heart disease. However, its utility for patients with non-ischemic heart failure with preserved ejection fraction (NIHFpEF) is not well-known. This study aims to evaluate the prognostic value of BMIPP defect score (BDS) in patients presenting with NIHFpEF. Methods: Of 804 consecutive patients who were admitted to the hospital because of acute HF and underwent BMIPP-SPECT, we identified 133 patients (73±13 years) who had normal coronary artery by invasive coronary angiography and preserved left ventricular ejection fraction (≥50%) by echocardiography...
August 3, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28772033/associations-between-acylcarnitine-to-free-carnitine-ratio-and-adverse-prognosis-in-heart-failure-patients-with-reduced-or-preserved-ejection-fraction
#10
Akiomi Yoshihisa, Shunsuke Watanabe, Tetsuro Yokokawa, Tomofumi Misaka, Takamasa Sato, Satoshi Suzuki, Masayoshi Oikawa, Atsushi Kobayashi, Yasuchika Takeishi
AIMS: The failing heart is accompanied by disturbed energy metabolism with mitochondrial dysfunction. Carnitine transports fatty acids into mitochondria for β-oxidation. Decreased myocardial carnitine levels accompanied by increased plasma carnitine levels in heart failure (HF) have been reported. The plasma acylcarnitine to free carnitine ratio (AC/FC) is recognized as a marker of carnitine deficiency. We aimed to investigate the impact of the AC/FC on HF prognosis, taking into consideration differences between HF patients with preserved ejection fraction (HFpEF) and those with reduced ejection fraction (HFrEF)...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28765741/experience-with-mechanical-circulatory-support-for-medically-intractable-low-cardiac-output-in-a-pediatric-intensive-care-unit
#11
Jung Bin Park, Jae Gun Kwak, Hong-Gook Lim, Woong-Han Kim, Jeong Ryul Lee, Yong Jin Kim
BACKGROUND AND OBJECTIVES: Mechanical circulatory support with extracorporeal membrane oxygenation (ECMO) and ventricular assist device has always been the optimal choice for treating the majority of medically intractable low cardiac output case. We retrospectively investigated our institution's outcomes and variables associated with a high risk of mortality. SUBJECTS AND METHODS: From 1999 to 2014, 86 patients who were of pediatric age or had grown-up congenital heart disease underwent mechanical circulatory support for medically intractable low cardiac output in our pediatric intensive care unit...
July 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28763371/proinflammatory-cytokines-mediate-gpcr-dysfunction
#12
Maradumane L Mohan, Neelakantan T Vasudevan, Sathyamangla V Naga Prasad
Proinflammatory reaction by the body occurs acutely in response to injury that is considered primarily beneficial. However, sustained proinflammatory cytokines observed with chronic pathologies such as metabolic syndrome, cancer, and arthritis are detrimental and in many cases is a major cardiovascular risk factor. Proinflammatory cytokines such as interleukin-1, interleukin-6, and tumor necrosis factor α (TNFα) have long been implicated in cardiovascular risk and considered to be a major underlying cause for heart failure (HF)...
August 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28762019/epicardial-adipose-tissue-as-a-metabolic-transducer-role-in-heart-failure-and-coronary-artery-disease
#13
REVIEW
Vaibhav B Patel, Saumya Shah, Subodh Verma, Gavin Y Oudit
Obesity and diabetes are strongly associated with metabolic and cardiovascular disorders including dyslipidemia, coronary artery disease, hypertension, and heart failure. Adipose tissue is identified as a complex endocrine organ, which by exerting a wide array of regulatory functions at the cellular, tissue and systemic levels can have profound effects on the cardiovascular system. Different terms including "epicardial," "pericardial," and "paracardial" have been used to describe adipose tissue deposits surrounding the heart...
July 31, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28760461/effect-of-dead-space-on-breathing-stability-at-exercise-in-hypoxia
#14
Eric Hermand, François J Lhuissier, Jean-Paul Richalet
Recent studies have shown that normal subjects exhibit periodic breathing when submitted to concomitant environmental (hypoxia) and physiological (exercise) stresses. A mathematical model including mass balance equations confirmed the short period of ventilatory oscillations and pointed out an important role of dead space in the genesis of these phenomena. Ten healthy subjects performed mild exercise on a cycloergometer in different conditions: rest/exercise, normoxia/hypoxia and no added dead space/added dead space (aDS)...
July 29, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28759844/circulating-soluble-receptor-for-advanced-glycation-end-product-cross-sectional-associations-with-cardiac-markers-and-subclinical-vascular-disease-in-older-men-with-and-without-diabetes
#15
S Goya Wannamethee, Paul Welsh, Olia Papacosta, Elizabeth A Ellins, Julian P J Halcox, Peter H Whincup, Naveed Sattar
BACKGROUND AND AIMS: The soluble receptor for advanced glycation end products (sRAGE) has been implicated in diabetic vascular complications. We have examined the association between sRAGE and cardiac markers [NT-proBNP and cardiac troponin T (cTnT)] and subclinical vascular markers in older men with and without diabetes. METHODS: We performed a cross-sectional study of 1159 men aged 71-92 years with no history of cardiovascular disease (myocardial infarction, stroke, heart failure, coronary artery bypass graft operation or angioplasty)...
July 12, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28755740/vascular-damage-and-kidney-transplant-outcomes-an-unfriendly-and-harmful-link
#16
REVIEW
Domingo Hernández, Javier Triñanes, Ana María Armas, Pedro Ruiz-Esteban, Juana Alonso-Titos, Ana Duarte, Miguel González-Molina, Eulalia Palma, Eduardo Salido, Armando Torres
Kidney transplant (KT) is the treatment of choice for most patients with chronic kidney disease, but this has a high cardiovascular mortality due to traditional and nontraditional risk factors, including vascular calcification. Inflammation could precede the appearance of artery wall lesions, leading to arteriosclerosis and clinical and subclinical atherosclerosis in these patients. Additionally, mineral metabolism disorders and activation of the renin-angiotensin system could contribute to this vascular damage...
July 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28751931/a-review-of-the-molecular-mechanisms-underlying-the-development-and-progression-of-cardiac-remodeling
#17
REVIEW
Leonardo Schirone, Maurizio Forte, Silvia Palmerio, Derek Yee, Cristina Nocella, Francesco Angelini, Francesca Pagano, Sonia Schiavon, Antonella Bordin, Albino Carrizzo, Carmine Vecchione, Valentina Valenti, Isotta Chimenti, Elena De Falco, Sebastiano Sciarretta, Giacomo Frati
Pathological molecular mechanisms involved in myocardial remodeling contribute to alter the existing structure of the heart, leading to cardiac dysfunction. Among the complex signaling network that characterizes myocardial remodeling, the distinct processes are myocyte loss, cardiac hypertrophy, alteration of extracellular matrix homeostasis, fibrosis, defective autophagy, metabolic abnormalities, and mitochondrial dysfunction. Several pathophysiological stimuli, such as pressure and volume overload, trigger the remodeling cascade, a process that initially confers protection to the heart as a compensatory mechanism...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28750610/an-exploratory-study-on-the-efficacy-and-safety-of-a-bcaa-preparation-used-in-combination-with-cardiac-rehabilitation-for-patients-with-chronic-heart-failure
#18
Munenori Takata, Eisuke Amiya, Masafumi Watanabe, Yumiko Hosoya, Atsuko Nakayama, Takayuki Fujiwara, Masanobu Taya, Gaku Oguri, Kanako Hyodo, Naoko Takayama, Nami Takano, Tomoe Mashiko, Yukari Uemura, Issei Komuro
BACKGROUND: Sarcopenia is generally complicated with patients with chronic heart failure (CHF) and its presence negatively affects the course of heart failure, however effective nutritional intervention had not been elucidated yet. The primary objective of this study is to explore whether the addition of a branched-chain amino acid (BCAA) preparation for cardiac rehabilitation (CR) of patients with CHF further improves cardiopulmonary functions, skeletal muscle functions, and metabolism in comparison with conventional CR...
July 27, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28748119/uric-acid-in-the-pathogenesis-of-metabolic-renal-and-cardiovascular-diseases-a-review
#19
REVIEW
Usama A A Sharaf El Din, Mona M Salem, Dina O Abdulazim
The association between uric acid (UA) on one side and systemic hypertension (Htn), dyslipidemia, glucose intolerance, overweight, fatty liver, renal disease and cardiovascular disease (CVD) on the other side is well recognized. However, the causal relationship between UA and these different clinical problems is still debatable. The recent years have witnessed hundreds of experimental and clinical trials that favored the opinion that UA is a probable player in the pathogenesis of these disease entities. These studies disclosed the strong association between hyperuricemia and metabolic syndrome (MS), obesity, Htn, type 2 diabetes mellitus (DM), non-alcoholic fatty liver disease, hypertriglyceridemia, acute kidney injury, chronic kidney disease (CKD), coronary heart disease (CHD), heart failure and increased mortality among cardiac and CKD patients...
September 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28745401/trimethylamine-n-oxide-tmao-breathe-new-life
#20
REVIEW
Saravanan Subramaniam, Craig Fletcher
Associations between an elevated level of systemic trimethylamine N-oxide (TMAO) and an increased risk for adverse cardiovascular events have been proposed in recent years. Increasing experimental studies suggest a possible impact of TMAO in cardiovascular diseases. TMAO, the oxygenated product of TMA, is belonging to the class of amine oxides. Most of TMA derived from the bacterial metabolism of choline and L-carnitine is absorbed into the bloodstream, and then TMA is rapidly oxidized to TMAO by flavin-containing monooxygenase-3 (FMO3), a hepatic enzyme...
July 26, 2017: British Journal of Pharmacology
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