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https://www.readbyqxmd.com/read/29036982/-research-advances-on-the-relationship-between-nitrate-nitrite-no-pathway-and-heart-failure-with-preserved-ejection-fraction
#1
Y Meng, Z Y Zhang
No abstract text is available yet for this article.
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29036623/predictors-of-mortality-in-high-risk-patients-with-qt-prolongation-in-a-community-hospital
#2
Charlotte Gibbs, Jacob Thalamus, Kristian Heldal, Øystein Lunde Holla, Kristina H Haugaa, Jan Hysing
Aims: To determine predictors of mortality in patients with corrected QT interval (QTc) ≥ 500 ms in a community hospital. Methods and results: In this retrospective observational study, we searched the electrocardiogram (ECG) database at Telemark Hospital Trust, Norway, from January 2004 to December 2014. Medication, electrolyte abnormalities, and medical conditions known to prolong the QT interval were recorded. From the medical records, we assessed whether the prolonged QTc was noted by the health care providers...
October 3, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29036603/identification-of-optimal-reference-genes-for-transcriptomic-analyses-in-normal-and-diseased-human-heart
#3
Cristina E Molina, Eric Jacquet, Prishila Ponien, Christian Muñoz-Guijosa, Istvan Baczkó, Lars S Maier, Patrick Donzeau-Gouge, Dobromir Dobrev, Rodolphe Fischmeister, Anne Garnier
Aims: Quantitative real-time RT-PCR (RT-qPCR) has become the method of choice for mRNA quantification, but requires an accurate normalization based on the use of reference genes showing invariant expression across various pathological conditions. Only few data exist on appropriate reference genes for the human heart. The objective of this study was to determine a set of suitable reference genes in human atrial and ventricular tissues, from right and left cavities in control and in cardiac diseases...
September 22, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29036547/b-type-natriuretic-peptide-and-ventricular-dysfunction-in-the-prediction-of-cardiovascular-events-and-death-in-hypertension
#4
Joe Gallagher, Chris Watson, Shuaiwei Zhou, Fiona Ryan, Mark Ledwidge, Kenneth McDonald
Background: The prevalence and morbidity of hypertension continues to grow globally and improved methods of stratifying risk and identifying organ damage earlier are required. Methods such as echocardiography and population based risk scores are suggested by guidelines as approaches to aid in risk stratification. However, biomarkers such as natriuretic peptides may help provide such an approach. Methods: We analysed data from the STOP-HF cohort including participants with hypertension with and without a history of a cardiovascular event at baseline...
October 4, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29036504/echocardiographic-left-ventricular-reverse-remodeling%C3%A2-after-18-months-of-antihypertensive-treatment-in-stage-i-hypertension-results-from-the-prever-treatment-study
#5
C Bertoluci, M Foppa, A B S Santos, T V Branchi, S C Fuchs, F D Fuchs
Background: Antihypertensive treatment improves echocardiographic parameters of hypertensive target organ damage in stage II hypertension, but less is known about the effects in stage I hypertension. Methods: In a cohort study nested in the randomized double-blind trial PREVER-treatment, two-dimensional echocardiograms were performed in 110 individuals, aged 54.8 ± 7.9 years-old, with stage I hypertension at baseline and after 18 months of treatment with chlorthalidone/amiloride or losartan...
September 27, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29036292/association-between-implantable-cardioverter-defibrillator-therapy-and-different-lead-positions-in-patients-with-cardiac-resynchronization-therapy
#6
Mads Brix Kronborg, Jens Brock Johansen, Jens Haarbo, Sam Riahi, Berit Thornvig Philbert, Ole Dan Jørgensen, Jens Cosedis Nielsen
Aims: To evaluate the impact of different right and left ventricular lead positions (RV-LP and LV-LP) on the risk of therapy for ventricular tachycardia/ventricular fibrillation in patients with a cardiac resynchronization therapy device (CRT-D). Methods and results: We performed a large nationwide cohort study on patients in Denmark receiving a CRT-D device from 2008 to 2012 from the Danish Pacemaker and implantable cardioverter defibrillator (ICD) registry. Lead positions were registered during the implantation and categorized as anterior/lateral/posterior and basal/mid-ventricular/apical for the LV-LP, and as apical/non-apical for the RV-LP...
September 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29036266/alterations-in-no-ros-ratio-and-expression-of-trx1-and-prdx2-in-isoproterenol-induced-cardiac-hypertrophy
#7
Hao Su, Marco Pistolozzi, Xingjuan Shi, Xiaoou Sun, Wen Tan
The development of cardiac hypertrophy is a complicated process, which undergoes a transition from compensatory hypertrophy to heart failure, and the identification of new biomarkers and targets for this disease is greatly needed. Here we investigated the development of isoproterenol (ISO)-induced cardiac hypertrophy in an in vitro experimental model. After the induction of hypertrophy with ISO treatment in H9c2 cells, cell surface area, cell viability, cellular reactive oxygen species (ROS), and nitric oxide (NO) levels were tested...
October 3, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29035434/zebrafish-larvae-model-of-dilated-cardiomyopathy-induced-by-terfenadine
#8
Gyojeong Gu, Yirang Na, Hyewon Chung, Seung Hyeok Seok, Hae Young Lee
BACKGROUND AND OBJECTIVES: Dilated cardiomyopathy can be the end-stage of severe cardiac disorders and directly affects the cardiac muscle, inducing cardiomegaly and heart failure (HF). Although a wide variety of animal models are available to study dilated cardiomyopathy, there is no model to assess dilated cardiomyopathy with non-invasive, simple, and large screening methods. METHODS: We developed a dilated cardiomyopathy model in zebrafish larvae using short duration terfenadine, a known cardiotoxic drug that induces ventricular size dilation...
September 20, 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/29035431/prognostic-application-of-thoracic-aortic-calcium-scoring-for-adverse-clinical-outcome-risk-in-elderly-patients-with-left-ventricular-hypertrophy
#9
In Jeong Cho, Hyuk Jae Chang, Sang Eun Lee, Chi Young Shim, Geu Ru Hong, Namsik Chung
BACKGROUND AND OBJECTIVES: Left ventricular hypertrophy (LVH) is associated with poor cardiovascular outcomes. Heavy aortic calcification exacerbates arterial stiffness, which consequently heightens left ventricular (LV) afterload. We assessed the usefulness of aortic calcification for predicting adverse cardiovascular outcomes and to determine whether the relationship, if any, differed as a function of LVH. METHODS: The analytic sample was comprised of a total of 487 individuals 65 years of age or older...
September 18, 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/29035428/initial-report-of-the-korean-organ-transplant-registry-kotry-heart-transplantation
#10
Hae Young Lee, Eun Seok Jeon, Seok Min Kang, Jae Joong Kim
BACKGROUND AND OBJECTIVES: The Korean Organ Transplant Registry (KOTRY), which was the first national transplant registry in Korea, was founded by the Korean Society for Transplantation and the Korean Center for Disease Control in 2014. Here, we present the initial report of the Korean Heart Transplant Registry. METHODS: A total of 183 heart transplantation (HTPL) patients performed at 4 nationally representative hospitals were collected from April 2014 to December 2015...
August 16, 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/29035382/regulation-of-heterotrimeric-g-protein-signaling-by-ndpk-nme-proteins-and-caveolins-an-update
#11
Issam H Abu-Taha, Jordi Heijman, Yuxi Feng, Christiane Vettel, Dobromir Dobrev, Thomas Wieland
Heterotrimeric G proteins are pivotal mediators of cellular signal transduction in eukaryotic cells and abnormal G-protein signaling plays an important role in numerous diseases. During the last two decades it has become evident that the activation status of heterotrimeric G proteins is both highly localized and strongly regulated by a number of factors, including a receptor-independent activation pathway of heterotrimeric G proteins that does not involve the classical GDP/GTP exchange and relies on nucleoside diphosphate kinases (NDPKs)...
October 16, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29035000/use-of-sacubitril-valsartan-in-acute-decompensated-heart-failure-a-case-report
#12
Taison D Bell, Adrien J Mazer, P Elliott Miller, Jeffrey R Strich, Vandana Sachdev, Mary E Wright, Michael A Solomon
Refractory heart failure typically requires costly long-term, continuous intravenous inodilator infusions while patients await mechanical circulatory support or cardiac transplantation. The combined angiotensin receptor blocker-neprilysin inhibitor, sacubitril/valsartan, is a novel therapy that can increase levels of endogenous vasoactive peptides. This therapy has been recommended as an alternative agent in patients with chronic heart failure with reduced ejection fraction and New York Heart Association class II-III symptoms...
October 16, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29034723/response-to-the-letter-to-the-editor-on-effect-of-yoga-versus-hydrotherapy-training-on-health-related-quality-of-life-and-exercise-capacity-in-patients-with-heart-failure-a-randomized-controlled-study
#13
Eva Hägglund, Inger Hagerman, Anna Strömberg
No abstract text is available yet for this article.
October 1, 2017: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/29034563/heart-failure-study-of-multipoint-pacing-effects-on-ventriculoarterial-coupling-rationale-and-design-of-the-humvee-trial
#14
Christina Chrysohoou, Polychronis Dilaveris, Christos-Konstantinos Antoniou, Ioannis Skiadas, Konstantinos Konstantinou, Konstantinos Gatzoulis, Ioannis Kallikazaros, Dimitrios Tousoulis
Cardiac resynchronization therapy (CRT) is an established therapy for symptomatic heart failure (HF). Unfortunately, many recipients remain nonresponders. Studies have revealed the potential role of multipoint pacing (MPP) in improving response and outcomes. The aim of this study is to compare the effects of MPP against those of standard biventricular pacing (BVP) on (i) ventriculoarterial coupling (VAC) and energy efficiency of the failing heart, (ii) diastolic function, (iii) quality of life, and (iv) NT-proBNP levels and glomerular filtration rate (GFR) during a follow-up of 13 months...
October 15, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29034304/validated-low-volume-aldosterone-immunoassay-tailored-to-gclp-compliant-investigations-in-small-sample-volumes
#15
J Schaefer, B B Burckhardt, J Tins, A Bartel, S Laeer
INTRODUCTION: Heart failure is well investigated in adults, but data in children is lacking. To overcome this shortage of reliable data, appropriate bioanalytical assays are required. OBJECTIVES: Development and validation of a bioanalytical assay for the determination of aldosterone concentrations in small sample volumes applicable to clinical studies under Good Clinical Laboratory Practice. METHODS: An immunoassay was developed based on a commercially available enzyme-linked immunosorbent assay and validated according to current bioanalytical guidelines of the EMA and FDA...
December 2017: Pract Lab Med
https://www.readbyqxmd.com/read/29034264/reducing-cardiac-fibrosis-na-k-atpase-signaling-complex-as-a-novel-target
#16
X Fan, J Xie, J Tian
Cardiac fibrosis is a common pathological process in cardiac disease and may lead to heart failure. It can also cause sudden death even in those without cardiac symptoms. Tissue fibrosis can be categorized into two categories: replacement fibrosis (also called reparative fibrosis) and reactive fibrosis. In replacement fibrosis, infiltration of inflammatory cells and accumulation of Extracellular Matrix (ECM) proteins are the initial steps in forming scarlike fibrotic tissue after acute cardiac injury and cardiac cell necrosis...
2017: Cardiovascular Pharmacology: Open Access
https://www.readbyqxmd.com/read/29034087/spironolactone-in-cardiovascular-disease-an-expanding-universe
#17
REVIEW
John W Funder
Spironolactone has been marketed for over half a century as a 'potassium-sparing diuretic', used primarily in patients with ascites. With the realization that primary aldosteronism is the most common (5-13%) form of secondary hypertension, it has become widely used as a mineralocorticoid receptor antagonist. More recently, in the wake of the RALES trial, spironolactone in addition to standard therapy has been shown to be very beneficial in heart failure with a reduced ejection fraction. Despite the failure of the TOPCAT trial, spironolactone is being increasingly used in diastolic heart failure (i...
2017: F1000Research
https://www.readbyqxmd.com/read/29034073/unmet-goals-in-the-treatment-of-acute-myocardial-infarction-review
#18
REVIEW
Alejandro Farah, Alejandro Barbagelata
Reperfusion therapy decreases myocardium damage during an acute coronary event and consequently mortality. However, there are unmet needs in the treatment of acute myocardial infarction, consequently mortality and heart failure continue to occur in about 10% and 20% of cases, respectively. Different strategies could improve reperfusion. These strategies, like generation of warning sign recognition and being initially assisted and transferred by an emergency service, could reduce the time to reperfusion. If the first electrocardiogram is performed en route, it can be transmitted and interpreted in a timely manner by a specialist at the receiving center, bypassing community hospitals without percutaneous coronary intervention capabilities...
2017: F1000Research
https://www.readbyqxmd.com/read/29034036/intervention-for-varicose-veins-of-lower-extremities-lowers-the-brain-natriuretic-peptide-values-in-varicose-vein-patients
#19
Kiyoshi Tamura
Objective: To evaluate the relationship between varicose veins and heart failure, both of which cause edema of lower extremities. Materials and Methods: We enrolled 150 patients who underwent intervention for varicose veins of lower extremities between December 2012 and October 2015, and perioperative data were retrospectively investigated. Results: Of the 150 patients, 104 (69.3%) were females. The mean age was 66.8±10.6 years (27-85 years). Eighty (53.3%) patients had varicose veins in both legs. In all patients, the postoperative (brain natriuretic peptide (BNP) value was significantly lower than the preoperative BNP value (pre : post=39...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29033989/effectiveness-of-back-massage-on-sleep-pattern-among-patients-with-congestive-cardiac-failure
#20
Amol Sable, Thangaraj Sivabalan, Akshaya Narayan Shetti
BACKGROUND: Sleep plays an important role in congestive cardiac failure (CCF). Back massage reduces anxiety, discomfort, and physical suffering in CCF patients. Study objective is to assess sleep pattern in CCF patients before and after back massage. MATERIALS AND METHODS: A quasi-experimental study was conducted in Pravara Rural hospital, Loni, India over 4 months in 2016. Thirty CCF patients were included in the study with purposive sampling. Nurse investigator performed 20-min back massage thrice daily, 5 min for each step from the day of admission till discharge...
September 2017: Iranian Journal of Nursing and Midwifery Research
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