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https://www.readbyqxmd.com/read/28432842/low-grade-inflammation-and-tryptophan-kynurenine-pathway-activation-are-associated-with-adverse-cardiac-remodeling-in-primary-hyperparathyroidism-the-epath-trial
#1
Nicolas Verheyen, Andreas Meinitzer, Martin Robert Grübler, Klemens Ablasser, Ewald Kolesnik, Astrid Fahrleitner-Pammer, Evgeny Belyavskiy, Christian Trummer, Verena Schwetz, Elisabeth Pieske-Kraigher, Jakob Voelkl, Ioana Alesutan, Cristiana Catena, Leonardo Alberto Sechi, Helmut Brussee, Dirk von Lewinski, Winfried März, Burkert Pieske, Stefan Pilz, Andreas Tomaschitz
BACKGROUND: Primary hyperparathyroidism (pHPT) is associated with low-grade inflammation, left ventricular hypertrophy and increased cardiovascular mortality, but the association between inflammatory markers and parameters of adverse cardiac remodeling is unknown. We investigated the relationship between C-reactive protein (CRP), the essential amino acid tryptophan and its pro-inflammatory derivatives kynurenine and quinolinic acid (QUIN) with echocardiographic parameters. METHODS: Cross-sectional baseline data from the "Eplerenone in Primary Hyperparathyroidism" trial were analyzed...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28430947/electrocardiographic-left-ventricular-hypertrophy-predicts-cardiovascular-morbidity-and-mortality-in-hypertensive-patients-the-allhat-study
#2
Casper N Bang, Elsayed Z Soliman, Lara M Simpson, Barry R Davis, Richard B Devereux, Peter M Okin
BACKGROUND: Electrocardiographic (ECG) left ventricular hypertrophy (LVH) is a strong predictor of cardiovascular (CV) morbidity and mortality. However, the predictive value of ECG LVH in treated hypertensive patients remains unclear. METHODS: A total of 33,357 patients (aged ≥ 55 years) with hypertension and at least 1 other coronary heart disease (CHD) risk factor were randomized to chlorthalidone, amlodipine, or lisinopril. The outcome of the present study was all-cause mortality; and secondary endpoints were CHD, nonfatal myocardial infarction (MI), stroke, angina, heart failure (HF), and peripheral arterial disease...
April 19, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28429371/design-of-a-short-non-uniform-acquisition-protocol-for-quantitative-analysis-in-dynamic-cardiac-spect-imaging-a-retrospective-123-i-mibg-animal-study
#3
Yunlong Zan, Yong Long, Kewei Chen, Biao Li, Qiu Huang, Grant T Gullberg
PURPOSE: Our previous works have found that quantitative analysis of (123) I-MIBG kinetics in the heart with dynamic single-photon emission computed tomography (SPECT) offers the potential to quantify the innervation integrity at an early stage of left ventricular hypertrophy. However, conventional protocols involving a long acquisition time for dynamic imaging reduce the animal survival rate and thus make longitudinal analysis difficult. The goal of this work was to develop a procedure to reduce the total acquisition time by selecting non-uniform acquisition times for projection views while maintaining the accuracy and precision of estimated physiologic parameters...
April 21, 2017: Medical Physics
https://www.readbyqxmd.com/read/28427417/novel-trigenic-cacna1c-des-mypn-mutations-in-a-family-of-hypertrophic-cardiomyopathy-with-early-repolarization-and-short-qt-syndrome
#4
Yanhong Chen, Hector Barajas-Martinez, Dongxiao Zhu, Xihui Wang, Chonghao Chen, Ruijuan Zhuang, Jingjing Shi, Xueming Wu, Yijia Tao, Weidong Jin, Xiaoyan Wang, Dan Hu
BACKGROUND: Hypertrophic cardiomyopathy (HCM) patients with early repolarization (ER) pattern are at higher risk of ventricular arrhythmia, yet the genetic background of this situation has not been well investigated. Here we report novel trigenic mutations detected in a Chinese family of obstructive HCM with ER and short QT syndrome (SQTS). METHODS: Proband and family members underwent detailed medical assessments. DNAs were extracted from peripheral blood leukocytes for genetic screening with next generation method...
April 20, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28426428/vascular-calcification-the-role-of-micrornas
#5
Stelina Alkagiet, Konstantinos Tziomalos
Vascular calcification represents the deposition of calcium phosphate salts in the tunica media of the vascular wall. It occurs during aging but is accelerated and pronounced in patients with diabetes mellitus, chronic kidney disease (CKD) and established cardiovascular disease. Due to the loss of elasticity of the vessel wall, vascular calcification might result in left ventricular hypertrophy and compromise coronary perfusion. Accordingly, several studies showed that vascular calcification is associated with increased risk for cardiovascular morbidity and mortality...
April 20, 2017: Biomolecular Concepts
https://www.readbyqxmd.com/read/28420707/role-of-the-fatty-acid-binding-protein-4-in-heart-failure-and-cardiovascular-disease
#6
Ricardo Rodriguez-Calvo, Josefa Girona, Josep M Alegret, Alba Bosquet, Daiana Ibarretxe, Lluís Masana
Obesity and ectopic fat accumulation in non-adipose tissues are major contributors to heart failure (HF) and cardiovascular disease (CVD). Adipocytes act as endocrine organs by releasing a large number of bioactive molecules into the bloodstream, which participate in a communication network between white adipose tissue and other organs, including the heart. Among these molecules, fatty acid binding protein 4 (FABP4) has been recently shown to increase cardiometabolic risk. Both clinical and experimental evidence have identified FABP4 as a relevant player in atherosclerosis and coronary artery disease, and it has been directly related to cardiac alterations such as left ventricular hypertrophy (LVH) or both systolic and diastolic cardiac dysfunction...
April 18, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28417009/revised-definition-of-predicted-left-ventricular-mass-using-ambulatory-blood-pressure-in-healthy-korean-adults
#7
Bae Keun Kim, Enshi Xu, Bo Youl Choi, Yonggu Lee, Soon Gil Kim, Yukio Yamori, Jinho Shin
BACKGROUND: Left ventricular hypertrophy is influenced by both hemodynamic and non-hemodynamic factors. Ambulatory blood pressure is correlated with left ventricular hypertrophy. We established the influences of hemodynamic and non-hemodynamic factors, including ambulatory blood pressure, on variation in left ventricular mass in healthy Korean adults. METHOD: We included 172 subjects (male = 71, female = 101), with normal body mass index and blood pressure, in an analysis of data from the Yangpyung and Yeoju cohort studies and a tertiary cardiovascular center...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28415098/p569diastolic-dyssynchrony-is-associated-with-exercise-intolerance-in-hypertensive-patients-with-left-ventricular-hypertrophy
#8
I H Jung, H S Seo, M J Kim
Background: Left ventricular hypertrophy (LVH) is associated with intra-ventricular dyssynchrony at systolic phase during exercise in hypertensive patients. However, dypsnea on exertion is much more correlated with diastolic phase. We investigated whether LVH is associated with diastolic dyssynchrony during exercise in patients with hypertension. Methods: Ninety hypertensive patients with exertional dyspnea and 30 control individuals were enrolled. Exercise stress echocardiography was performed using a symptom limited, multistage supine bicycle test...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28413576/timing-and-targeting-of-treatment-in-left-ventricular-hypertrophy
#9
Deokhwa Nam, Erin L Reineke
In most clinical cases, left ventricular hypertrophy (LVH) occurs over time from persistent cardiac stress. At the molecular level, this results in both transient and long-term changes to metabolic, sarcomeric, ion handling, and stress signaling pathways. Although this is initially an adaptive change, the mechanisms underlying LVH eventually lead to maladaptive changes including fibrosis, decreased cardiac function, and failure. Understanding the regulators of long-term changes, which are largely driven by transcriptional remodeling, is a crucial step in identifying novel therapeutic targets for preventing the downstream negative effects of LVH and treatments that could reverse or prevent it...
January 2017: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28413510/association-of-white-blood-cell-counts-with-left-ventricular-mass-index-in-hypertensive-patients-undergoing-anti-hypertensive-drug-therapy
#10
Hongtao Shi, Hongxia Chu, Zhiyang Lv, Guanming Qi, Junjie Guo, Wei Fu, Xiaojing Wang, Xiangyu Guo, Junbo Ge, Chengqian Yin
Although studies using animal models have demonstrated that nonhemodynamic factors, including inflammatory cells and cytokines, contribute to left ventricular hypertrophy (LVH), there is little clinical data to confirm this association. Therefore in the present study, levels of circulating specific types of leukocyte were measured to determine the association between white blood cells and left ventricular mass index (LVMI) in hypertensive patients undergoing anti-hypertensive drug therapy. A total of 144 consecutive hypertensive patients taking anti-hypertensive drug therapy were enrolled in the current study...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28410843/left-ventricular-hypertrophy-does-not-prevent-heart-failure-in-experimental-hypertension
#11
H Hernán Gómez Llambí, G Cao, M Donato, D Suárez, G Ottaviano, A Müller, B Buchholz, R Gelpi, M Otero-Losada, J Milei
BACKGROUND: Left ventricular hypertrophy (LVH) secondary to hypertension has been accepted to prevent heart failure (HF) while paradoxically increasing cardiovascular morbi-mortality. OBJECTIVES: To evaluate whether antihypertensive treatment inhibits LVH, restores beta-adrenergic response and affects myocardial oxidative metabolism. METHODS: Ninety spontaneously hypertensive rats (SHR) were distributed into groups and treated (mg/kg, p.o...
March 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28409747/the-importance-of-identifying-early-changes-in-cardiac-structure-and-function-for-the-prevention-of-cognitive-impairment-and-dementia
#12
Jodi D Edwards
Multiple cardiac pathologies have been shown to contribute to progressive cognitive decline and dementia in elderly populations, including left ventricular hypertrophy (LVH), a marker of prolonged exposure to hypertension. Although associations between chronic hypertension and cognitive function are thought to be mediated primarily by these end organ effects, there is increasing evidence that early changes in cardiac structure and function, such as LVH, may independently contribute to cognitive decline and impairment...
April 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28409012/enhancing-the-diagnosis-of-fabry-disease-in-cardiology-with-a-targeted-information-a-before-after-control-impact-study
#13
Anne-Louise Savary, Remy Morello, Carole Brasse-Lagnel, Paul Milliez, Soumeya Bekri, Fabien Labombarda
BACKGROUND: Cardiac complications in Fabry disease are frequent and dominated by a high frequency of left ventricular hypertrophy; therefore, cardiologists may have an essential role in screening for this disease. Providing cardiologists with targeted information on Fabry disease would be valuable and could reduce both diagnostic and therapeutic delays. The aim of this study was to evaluate the efficiency of such strategy for Fabry screening. METHODS: We conducted a before-after control-impact study by comparing observations made before and after targeted information on Fabry disease among cardiologists...
2017: Open Heart
https://www.readbyqxmd.com/read/28405802/vasculo-protective-effect-of-bms-309403-is-independent-of-its-specific-inhibition-of-fatty-acid-binding-protein-4
#14
Yuta Okamura, Kosuke Otani, Akihiro Sekiguchi, Taisuke Kogane, Chiharu Kakuda, Yuzaburo Sakamoto, Tomoko Kodama, Muneyoshi Okada, Hideyuki Yamawaki
Fatty acid-binding protein (FABP) 4 is an adipocytokine mainly expressed in adipocyte and macrophage. Blood FABP4 is related not only to metabolic disorders including insulin resistance and atherosclerosis but also increased blood pressure. We tested the hypothesis that FABP4 plays roles in pathogenesis of hypertension development including proliferation, migration, and inflammation of vascular smooth muscle cells (SMCs) as well as contractile reactivity. FABP4 alone had no influence on proliferation, migration, and inflammation of rat mesenteric arterial SMCs, while it significantly enhanced smooth muscle contraction and increases of systolic blood pressure (SBP) induced by noradrenaline (NA)...
April 13, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28404627/multiphasic-regulation-of-systemic-and-peripheral-organ-metabolic-responses-to-cardiac-hypertrophy
#15
Chong Wee Liew, Shanshan Xu, Xuerong Wang, Maximilian McCann, Hyerim Whang Kong, Andrew C Carley, Jingbo Pang, Giamila Fantuzzi, J Michael O'Donnell, E Douglas Lewandowski
BACKGROUND: Reduced fat oxidation in hypertrophied hearts coincides with a shift of carnitine palmitoyl transferase I from muscle to increased liver isoforms. Acutely increased carnitine palmitoyl transferase I in normal rodent hearts has been shown to recapitulate the reduced fat oxidation and elevated atrial natriuretic peptide message of cardiac hypertrophy. METHODS AND RESULTS: Because of the potential for reduced fat oxidation to affect cardiac atrial natriuretic peptide, and thus, induce adipose lipolysis, we studied peripheral and systemic metabolism in male C57BL/6 mice model of transverse aortic constriction in which left ventricular hypertrophy occurred by 2 weeks without functional decline until 16 weeks (ejection fraction, -45...
April 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28402974/cardiac-changes-and-their-association-with-fetuin-a-and-fibroblast-growth-factor-23-in-children-with-chronic-kidney-disease
#16
Abdullahi Mudi, Hopewell Ntsinjana, Caroline Dickens, Cecil Levy, Daynia Ballot
AIMS: In children with chronic kidney disease (CKD), fetuin-A and fibroblast growth factor-23 (FGF-23) have been implicated in the mechanism and progression of several cardiac changes. This study aimed to determine the types and rates of cardiac changes in children with CKD and their association with fetuin-A, FGF-23, and other cardiovascular risk factors (CVRFs). METHODS: This comparative cross-sectional study recruited 88 children (5-18 years): 27 CKD I with a glomerular filtration rate (GFR) >90 mL/min/1...
April 13, 2017: Nephron
https://www.readbyqxmd.com/read/28401422/acetate-free-biofiltration-to-remove-fibroblast-growth-factor-23-in-hemodialysis-patients-a-pilot-study
#17
Valeria Cernaro, Silvia Lucisano, Valeria Canale, Annamaria Bruzzese, Daniela Caccamo, Giuseppe Costantino, Michele Buemi, Domenico Santoro
AIM: Serum levels of 32 kDa-phosphaturic hormone fibroblast growth factor 23 (FGF23) rise early in renal failure in order to keep phosphatemia within the normal range; however, this compensatory mechanism itself contributes to chronic kidney disease-mineral bone disorder. High FGF23 is also associated to left ventricular hypertrophy, vascular calcifications and thus increased cardiovascular risk. The aim of this pilot pre-post study was to evaluate the effects of a single hemodiafiltration session with acetate-free biofiltration (AFB) on FGF23 serum levels...
April 11, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28400922/pheochromocytoma-and-stress-cardiomyopathy-insight-into-pathogenesis
#18
Sahil Agrawal, Jamshid Shirani, Lohit Garg, Amitoj Singh, Santo Longo, Angelita Longo, Mark Fegley, Lauren Stone, Muhammad Razavi, Nicoleta Radoianu, Sudip Nanda
AIM: To investigate the occurrence of cardiomyopathy (CMP) in a cohort of patients with histologically proven pheochromocytoma (pheo), and to determine if catecholamine excess was causative of the left ventricular (LV) dysfunction. METHODS: A retrospective chart review spanning years 1998 through 2014 was undertaken and patients with a diagnosis of pheo confirmed with histopathologic examination were included. Presenting electrocardiograms and cardiac imaging studies were reviewed...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400921/validity-of-electrocardiographic-criteria-for-increased-left-ventricular-mass-in-young-patients-in-the-general-population
#19
Eduard Sklyar, Paul Ginelli, Aaron Barton, Richard Peralta, Jonathan N Bella
AIM: To investigate validity of electrocardiographic (ECG) criteria for left ventricular hypertrophy (LVH) in young adults. METHODS: Retrospectively, echocardiograms showing LVH and concomitant electrocardiograms were collected in patients 18 to 39 years old. A control group of patients without LVH was collected. Using echocardiogram as the gold standard, electrocardiograms were analyzed using common voltage criteria. RESULTS: Study included 100 subjects (52% male, mean age = 28 ± 6...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400202/genetic-variation-in-kruppel-like-factor-15-is-associated-with-left-ventricular-hypertrophy-in-patients-with-type-2-diabetes-discovery-and-replication-cohorts
#20
Sheila K Patel, Bryan Wai, Chim C Lang, Daniel Levin, Colin N A Palmer, Helen M Parry, Elena Velkoska, Stephen B Harrap, Piyush M Srivastava, Louise M Burrell
Left ventricular (LV) hypertrophy (LVH) is a heritable trait that is common in type 2 diabetes and is associated with the development of heart failure. The transcriptional factor Kruppel like factor 15 (KLF15) is expressed in the heart and acts as a repressor of cardiac hypertrophy in experimental models. This study investigated if KLF15 gene variants were associated with LVH in type 2 diabetes. In stage 1 of a 2-stage approach, patients with type 2 diabetes and no known cardiac disease were prospectively recruited for a transthoracic echocardiographic assessment (Melbourne Diabetes Heart Cohort) (n=318) and genotyping of two KLF15 single nucleotide polymorphisms (SNPs) (rs9838915, rs6796325)...
March 30, 2017: EBioMedicine
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