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https://www.readbyqxmd.com/read/28220942/crt-induced-ventricular-tachyarrhythmia-what-s-the-mechanism
#1
Sanoj Chacko, Enes Gul, Chris Simpson, Adrian Baranchuk
A 56-year-old woman with non-ischemic dilated cardiomyopathy and severe left ventricular systolic dysfunction received cardiac resynchronization defibrillator therapy (CRT-D; St Jude Medical Quadra Assura, CA, USA), for primary prevention and management of heart failure. This article is protected by copyright. All rights reserved.
February 21, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28220640/multidimensional-contractile-reserve-predicts-adverse-outcome-in-patients-with-severe-systolic-heart-failure-a-4-year-follow-up-study
#2
Ioannis A Paraskevaidis, Ignatios Ikonomidis, Panagiotis Simitsis, John Parissis, Vasilios Stasinos, George Makavos, John Lekakis
AIMS: Left ventricular contractile reserve is a prognostic indicator for adverse outcome in patients with severe chronic heart failure with reduced ejection fraction (HFrEF). We investigated the dobutamine-induced changes of LV multidimensional deformation and their predictive value for cardiac mortality of patients with severe chronic HFrEF. METHODS AND RESULTS: In this prospective study, out of 130 patients with severe HFrEF who underwent a low-dose dobutamine stress echocardiography (LDSE) study using speckle tracking imaging, 100 patients were followed up for the occurrence of cardiac death over a period of 4 years...
February 21, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28218213/surgical-treatment-of-double-outlet-right-ventricle-complicated-by-pulmonary-hypertension
#3
Qing-Yu Wu, Dong-Hai Li, Hong-Yin Li, Ming-Kui Zhang, Zhong-Hua Xu, Hui Xue
BACKGROUND: Double outlet right ventricle (DORV) is a group of complex congenital heart abnormalities. Preoperative pulmonary hypertension (PH) is considered an important risk factor for early death during the surgical treatment of DORV. The aim of this study was to report our experience on surgical treatment of DORV complicated by PH. METHODS: From June 2004 to November 2016, 61 patients (36 males and 25 females) aged 2 weeks to 26 years (median: 0.67 years and interquartile range: 0...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28217978/the-association-of-chronic-kidney-disease-and-microalbuminuria-with-heart-failure-with-preserved-vs-reduced-ejection-fraction
#4
Matthew Nayor, Martin G Larson, Na Wang, Rajalakshmi Santhanakrishnan, Douglas S Lee, Connie W Tsao, Susan Cheng, Emelia J Benjamin, Ramachandran S Vasan, Daniel Levy, Caroline S Fox, Jennifer E Ho
AIMS: Chronic kidney disease (CKD) and microalbuminuria are associated with incident heart failure (HF), but their relative contributions to HF with preserved vs. reduced EF (HFpEF and HFrEF) are unknown. We sought to evaluate the associations of CKD and microalbuminuria with incident HF subtypes in the community-based Framingham Heart Study (FHS). METHODS AND RESULTS: We defined CKD as glomerular filtration rate <60 mL/min/1.73 m(2) , and microalbuminuria as a urine albumin to creatinine ratio (UACR) ≥17 mg/g in men and ≥25 mg/g in women...
February 20, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28217316/subacute-right-heart-failure-revealing-three-simultaneous-causes-of-post-embolic-pulmonary-hypertension-in-metastatic-dissemination-of-breast-cancer
#5
Flavien Vincent, Nicolas Lamblin, Marion Classe, Guillaume Schurtz, Antoine Rauch, Marie Fertin, Pascal De Groote
A 72-year-old woman with history of breast cancer only treated surgically was referred to our department for pulmonary hypertension (PH) suspicion. Echocardiogram revealed elevated right ventricular systolic pressure. Computed tomography (CT) angiogram showed no pulmonary embolism (PE), but lung scan revealed two ventilation-perfusion mismatch areas. Right cardiac catheterization established precapillary PH. Despite treatment with PH specific therapy (sildenafil, ambrisentan, and epoprostenol), her condition worsened rapidly with acute right heart failure (RHF)...
February 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28217308/demographical-and-clinicopathological-characteristics-in-heart-failure-and-outcome-predictors-a-prospective-observational-study
#6
Chakanalil Govindan Sajeev, Shreetal Rajan Nair, Biju George, Gopalan Nair Rajesh, Mangalath Narayanan Krishnan
AIMS: The aims of the study were to study the demographical and clinicopathological characteristics of patients presenting with heart failure and evaluate the 1 year outcomes and to identify risk predictors if any. METHODS AND RESULTS: A prospective observational study was conducted in consecutive patients of systolic heart failure. The study was divided into two parts-an initial 6 month enrolment phase followed up for 1 year for major adverse cardiovascular events...
February 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28217307/worse-prognosis-of-real-world-patients-with-acute-heart-failure-from-the-czech-ahead-registry-in-comparison-to-patients-from-the-relax-ahf-trial
#7
Jindrich Spinar, Jiri Jarkovsky, Lenka Spinarova, Jiri Vitovec, Ales Linhart, Petr Widimsky, Roman Miklik, Kamil Zeman, Jan Belohlavek, Filip Malek, Cestmir Cihalik, Jiri Spac, Marian Felsoci, Petr Ostadal, Ladislav Dusek, Jiri Kettner, Jan Vaclavik, Simona Littnerova, Zdeněk Monhart, Josef Malek, Jiri Parenica
AIMS: The randomized clinical trial RELAX-AHF demonstrated a positive effect of vasodilator therapy with serelaxin in the treatment of AHF patients. The aim of our study was to compare clinical characteristics and outcomes of patients from the AHEAD registry who met criteria of the RELAX-AHF trial (relax-comparable group) with the same characteristics and outcomes of patients from the AHEAD registry who did not meet those criteria (relax-non-comparable group), and finally with characteristics and outcomes of patients from the RELAX-AHF trial...
February 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28216549/role-of-right-ventricular-dysfunction-and-diabetes-mellitus-in-n-terminal-pro-b-type-natriuretic-peptide-response-of-patients-with-severe-mitral-regurgitation-and-heart-failure-after-mitraclip
#8
Hidehiro Kaneko, Michael Neuss, Jens Weissenborn, Christian Butter
MitraClip (MC) is an alternative therapeutic option for patients with severe mitral regurgitation (MR) who are at high surgical risk. Most candidates for MC have severe heart failure (HF) with increased N-terminal pro-B-type natriuretic peptide (NT-pro BNP) levels. We sought to clarify the response of NT-pro BNP after MC and to identify the determinants of NT-pro BNP nonresponders. Among 136 consecutive patients successfully treated with MC, we excluded 20 patients due to low baseline NT-pro BNP levels and therefore examined 116 patients...
February 20, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28216288/home-automated-office-and-conventional-office-blood-pressure-as-predictors-of-cardiovascular-risk
#9
Emmanuel A Andreadis, Vasilios Papademetriou, Charalampia V Geladari, George N Kolyvas, Epameinondas T Angelopoulos, Konstantinos N Aronis
Automated office blood pressure (AOBP) has recently been shown to closely predict cardiovascular (CV) events in the elderly. Home blood pressure (HBP) has also been accepted as a valuable method in the prediction of CV disease. This study aimed to compare conventional office BP (OBP), HBP, and AOBP in order to evaluate their value in predicting CV events and deaths in hypertensives. We assessed 236 initially treatment naïve hypertensives, examined between 2009 and 2013. The end points were any CV and non-CV event including mortality, myocardial infarction, coronary heart disease, hospitalization for heart failure, severe arrhythmia, stroke, and intermittent claudication...
February 3, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28215632/ventricular-geometry-from-non-contrast-non-ecg-gated-ct-scans-an-imaging-marker-of-cardiopulmonary-disease-in-smokers
#10
Farbod N Rahaghi, Gonzalo Vegas-Sanchez-Ferrero, Jasleen K Minhas, Carolyn E Come, Isaac De La Bruere, James M Wells, Germán González, Surya P Bhatt, Brett E Fenster, Alejandro A Diaz, Puja Kohli, James C Ross, David A Lynch, Mark T Dransfield, Russel P Bowler, Maria J Ledesma-Carbayo, Raúl San José Estépar, George R Washko
RATIONALE AND OBJECTIVES: Imaging-based assessment of cardiovascular structure and function provides clinically relevant information in smokers. Non-cardiac-gated thoracic computed tomographic (CT) scanning is increasingly leveraged for clinical care and lung cancer screening. We sought to determine if more comprehensive measures of ventricular geometry could be obtained from CT using an atlas-based surface model of the heart. MATERIALS AND METHODS: Subcohorts of 24 subjects with cardiac magnetic resonance imaging (MRI) and 262 subjects with echocardiography were identified from COPDGene, a longitudinal observational study of smokers...
February 15, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28215413/ratio-of-systolic-blood-pressure-to-right-atrial-pressure-a-novel-marker-to-predict-morbidity-and-mortality-in-acute-systolic-heart-failure
#11
Hesham R Omar, Richard Charnigo, Maya Guglin
Congestion is the main contributor to heart failure (HF) morbidity and mortality. We assessed the combined role of congestion and decreased forward flow in predicting morbidity and mortality in acute systolic HF. The Evaluation Study of Congestive Heart Failure and Pulmonary Artery Catheterization Effectiveness trial data set was used to determine if the ratio of simultaneously measured systolic blood pressure (SBP)/right atrial pressure (RAP) on admission predicted HF rehospitalization and 6-month mortality...
January 6, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28214792/suppression-of-tumorigenicity-2-in-heart-failure-with-preserved-ejection-fraction
#12
Omar F AbouEzzeddine, Paul M McKie, Shannon M Dunlay, Susanna R Stevens, G Michael Felker, Barry A Borlaug, Horng H Chen, Russell P Tracy, Eugene Braunwald, Margaret M Redfield
BACKGROUND: Soluble suppression of tumorigenicity 2 (sST2) receptor is a biomarker that is elevated in certain systemic inflammatory diseases. Comorbidity-driven microvascular inflammation is postulated to play a key role in heart failure with preserved ejection fraction (HFpEF) pathophysiology, but data on how sST2 relates to clinical characteristics or inflammatory conditions or biomarkers in HFpEF are limited. We sought to determine circulating levels and clinical correlates of sST2 in HFpEF...
February 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28214509/haplodeficiency-of-activin-receptor-like-kinase-4-alleviates-myocardial-infarction-induced-cardiac-fibrosis-and-preserves-cardiac-function
#13
Yi-He Chen, Qian Wang, Chang-Yi Li, Jian-Wen Hou, Xiao-Meng Chen, Qing Zhou, Jie Chen, Yue-Peng Wang, Yi-Gang Li
Cardiac fibrosis (CF), a repairing process following myocardial infarction (MI), is characterized by abnormal proliferation of cardiac fibroblasts and excessive deposition of extracellular matrix (ECM) resulting in inevitable resultant heart failure. TGF-β (transforming growth factor-β)/ALK5 (Activin receptor-like kinase 5)/Smad2/3/4 pathways have been reported to be involved in the process. Recent studies have implicated both activin and its specific downstream component ALK4 in stimulating fibrosis in non-cardiac organs...
February 15, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28214002/relation-between-ventricular-premature-complexes-and-incident-heart-failure
#14
Vratika Agarwal, Eric Vittinghoff, Isaac R Whitman, Thomas A Dewland, Jonathan W Dukes, Gregory M Marcus
Ventricular premature complexes (VPCs) may represent a reversible cause of heart failure (HF); however, the type of patients most prone remains unknown. This study leverages a large population-based database to examine interactions that might prove clinically useful in risk-stratifying patients with VPCs. We used the California Healthcare Cost and Utilization Project to identify patients with VPCs and incident systolic HF from January 1, 2005, to December 31, 2009. We calculated hazard ratios for predictors of incident systolic HF using multivariable Cox proportional hazard models...
January 25, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28213819/conditional-knockout-of-activin-like-kinase-1-alk-1-leads-to-heart-failure-without-maladaptive-remodeling
#15
Kevin J Morine, Xiaoying Qiao, Vikram Paruchuri, Mark J Aronovitz, Emily E Mackey, Lyanne Buiten, Jonathan Levine, Keshan Ughreja, Prerna Nepali, Robert M Blanton, Richard H Karas, S Paul Oh, Navin K Kapur
Activin like kinase-1 (AlK-1) mediates signaling via the transforming growth factor beta (TGFβ) family of ligands. AlK-1 activity promotes endothelial proliferation and migration. Reduced AlK-1 activity is associated with arteriovenous malformations. No studies have examined the effect of global AlK-1 deletion on indices of cardiac remodeling. We hypothesized that reduced levels of AlK-1 promote maladaptive cardiac remodeling. To test this hypothesis, we employed AlK-1 conditional knockout mice (cKO) harboring the ROSA26-CreER knock-in allele, whereby a single dose of intraperitoneal tamoxifen triggered ubiquitous Cre recombinase-mediated excision of floxed AlK-1 alleles...
February 17, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28210362/serum-lactate-predicts-adverse-outcomes-in-emergency-department-patients-with-and-without-infection
#16
Kimie Oedorf, Danielle E Day, Yotam Lior, Victor Novack, Leon D Sanchez, Richard E Wolfe, Hans Kirkegaard, Nathan I Shapiro, Daniel J Henning
INTRODUCTION: Lactate levels are increasingly used to risk stratify emergency department (ED) patients with and without infection. Whether a serum lactate provides similar prognostic value across diseases is not fully elucidated. This study assesses the prognostic value of serum lactate in ED patients with and without infection to both report and compare relative predictive value across etiologies. METHODS: We conducted a prospective, observational study of ED patients displaying abnormal vital signs (AVS) (heart rate ≥130 bpm, respiratory rate ≥24 bpm, shock index ≥1, and/or systolic blood pressure <90 mmHg)...
February 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28209386/dietary-therapy-in-heart-failure-with-preserved-ejection-fraction-and-or-left-ventricular-diastolic-dysfunction-in-patients-with-metabolic-syndrome
#17
REVIEW
Helene von Bibra, Alexander Ströhle, Martin St John Sutton, Nicolai Worm
BACKGROUND: Heart failure is an ongoing epidemic of left ventricular (LV) dilatation and/or dysfunction due to the increasing prevalence of predisposing risk factors such as age, physical inactivity, (abdominal) obesity, and type-2-diabetes. Approximately half of these patients have diastolic heart failure (HFpEF). The prognosis of HFpEF is comparable to that of systolic heart failure, but without any known effective treatment. DIASTOLIC DYSFUNCTION: A biomathematically corrected diagnostic approach is presented that quantifies diastolic dysfunction via the predominant age dependency of LV diastolic function and unmasks (metabolic) risk factors, that are independent of age and, therefore, potential targets for therapy...
January 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28205056/analyzing-health-related-quality-of-life-data-to-estimate-parameters-for-cost-effectiveness-models-an-example-using-longitudinal-eq-5d-data-from-the-shift-randomized-controlled-trial
#18
Alison Griffiths, Noman Paracha, Andrew Davies, Neil Branscombe, Martin R Cowie, Mark Sculpher
INTRODUCTION: The aim of this article is to discuss methods used to analyze health-related quality of life (HRQoL) data from randomized controlled trials (RCTs) for decision analytic models. The analysis presented in this paper was used to provide HRQoL data for the ivabradine health technology assessment (HTA) submission in chronic heart failure. METHODS: We have used a large, longitudinal EuroQol five-dimension questionnaire (EQ-5D) dataset from the Systolic Heart Failure Treatment with the I f Inhibitor Ivabradine Trial (SHIFT) (clinicaltrials...
February 15, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28205040/clinical-phenotyping-of-heart-failure-with-biomarkers-current-and-future-perspectives
#19
REVIEW
Vichai Senthong, Jennifer L Kirsop, W H Wilson Tang
INTRODUCTION: Heart failure (HF) is a complex clinical syndrome with diverse risk factors and etiologies, differing underlying pathophysiology, and large phenotypic heterogeneity. RECENT FINDINGS: Advances in imaging techniques coupled with clinical trials that targeted only in those with impaired left ventricular ejection fraction (LVEF) have largely shaped the current management strategy for HF that focuses predominantly in patients with systolic HF. In contrast, there are no effective treatments for HF with preserved ejection fraction (HFpEF)...
February 15, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28204965/prognostic-value-of-simple-frailty-and-malnutrition-screening-tools-in-patients-with-acute-heart-failure-due-to-left-ventricular-systolic-dysfunction
#20
S Sze, J Zhang, P Pellicori, D Morgan, A Hoye, A L Clark
BACKGROUND: Frailty and malnutrition are common in patients with heart failure (HF), and are associated with adverse outcomes. We studied the prognostic value of three malnutrition and three frailty indices in patients admitted acutely to hospital with HF. METHODS: 265 consecutive patients [62% males, median age 80 (interquartile range (IQR): 72-86) years, median NTproBNP 3633 (IQR: 2025-6407) ng/l] admitted with HF between 2013 and 2014 were enrolled. Patients were screened for frailty using the Derby frailty index (DFI), acute frailty network (AFN) frailty criteria, and clinical frailty scale (CFS) and for malnutrition using the geriatric nutritional risk index (GNRI), controlling nutritional status (CONUT) score and prognostic nutritional index (PNI)...
February 15, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
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