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Circulation. Heart Failure

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https://www.readbyqxmd.com/read/28292824/hospice-enrollment-in-patients-with-advanced-heart-failure-decreases-acute-medical-service-utilization
#1
Cindi K Yim, Yolanda Barrón, Stanley Moore, Chris Murtaugh, Anuradha Lala, Melissa Aldridge, Nathan Goldstein, Laura P Gelfman
BACKGROUND: Patients with advanced heart failure (HF) enroll in hospice at low rates, and data on their acute medical service utilization after hospice enrollment is limited. METHODS AND RESULTS: We performed a descriptive analysis of Medicare fee-for-service beneficiaries, with at least one home health claim between July 1, 2009, and June 30, 2010, and at least 2 HF hospitalizations between July 1, 2009, and December 31, 2009, who subsequently enrolled in hospice between July 1, 2009, and December 31, 2009...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28288988/circulating-biomarkers-of-cardiac-fibrosis-do-we-have-any-and-what-use-are-they
#2
EDITORIAL
A Mark Richards
No abstract text is available yet for this article.
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28288987/plasma-and-cardiac-galectin-3-in-patients-with-heart-failure-reflects-both-inflammation-and-fibrosis-implications-for-its-use-as-a-biomarker
#3
Christian Besler, David Lang, Daniel Urban, Karl-Philipp Rommel, Maximilian von Roeder, Karl Fengler, Stephan Blazek, Reinhard Kandolf, Karin Klingel, Holger Thiele, Axel Linke, Gerhard Schuler, Volker Adams, Philipp Lurz
BACKGROUND: Galectin (Gal)-3 is a β-galactoside-binding lectin and currently intensely studied as a biomarker in heart failure. Gal-3 also exerts proinflammatory effects, at least in extracardiac tissues. Objective of this study was to characterize the relationship of plasma and myocardial Gal-3 levels with cardiac fibrosis and inflammation in patients with nonischemic dilated cardiomyopathy and inflammatory cardiomyopathy (iCMP). METHODS AND RESULTS: Endomyocardial biopsies and blood samples were obtained from patients with newly diagnosed cardiomyopathy and clinical suspicion of myocarditis...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28283502/validation-of-noninvasive-measurement-of-cardiac-output-using-inert-gas-rebreathing-in-a-cohort-of-patients-with-heart-failure-and-reduced-ejection-fraction
#4
Mohamed Hassan, Kerolos Wagdy, Ahmed Kharabish, Peter Philip Selwanos, Ahmed Nabil, Ahmed Elguindy, Amr ElFaramawy, Mahmoud F Elmahdy, Hani Mahmoud, Magdi H Yacoub
BACKGROUND: Cardiac output (CO) is a key indicator of cardiac function in patients with heart failure. No completely accurate method is available for measuring CO in all patients. The objective of this study was to validate CO measurement using the inert gas rebreathing (IGR) method against other noninvasive and invasive methods of CO quantification in a cohort of patients with heart failure and reduced ejection fraction. METHODS AND RESULTS: The study included 97 patients with heart failure and reduced ejection fraction (age 42±15...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28255011/ranolazine-prevents-phenotype-development-in-a-mouse-model-of-hypertrophic-cardiomyopathy
#5
Raffaele Coppini, Luca Mazzoni, Cecilia Ferrantini, Francesca Gentile, Josè Manuel Pioner, Tina Laurino, Lorenzo Santini, Valentina Bargelli, Matteo Rotellini, Gianluca Bartolucci, Claudia Crocini, Leonardo Sacconi, Chiara Tesi, Luiz Belardinelli, Jil Tardiff, Alessandro Mugelli, Iacopo Olivotto, Elisabetta Cerbai, Corrado Poggesi
BACKGROUND: Current therapies are ineffective in preventing the development of cardiac phenotype in young carriers of mutations associated with hypertrophic cardiomyopathy (HCM). Ranolazine, a late Na(+) current blocker, reduced the electromechanical dysfunction of human HCM myocardium in vitro. METHODS AND RESULTS: To test whether long-term treatment prevents cardiomyopathy in vivo, transgenic mice harboring the R92Q troponin-T mutation and wild-type littermates received an oral lifelong treatment with ranolazine and were compared with age-matched vehicle-treated animals...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28255010/heart-failure-incidence-and-mortality-in-the-southern-community-cohort-study
#6
Elvis A Akwo, Edmond K Kabagambe, Thomas J Wang, Frank E Harrell, William J Blot, Michael Mumma, Deepak K Gupta, Loren Lipworth
BACKGROUND: There is a paucity of data on heart failure (HF) incidence among low-income and minority populations. Our objective was to investigate HF incidence and post-HF survival by race and sex among low-income adults in the southeastern United States. METHODS AND RESULTS: Participants were 27 078 white and black men and women enrolled during 2002 to 2009 in the SCCS (Southern Community Cohort Study) who had no history of HF and were receiving Centers for Medicare and Medicaid Services...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28242780/implantation-of-the-heartmate-iii-left-ventricular-assist-device-in-a-giant-left-ventricular-aneurysm-is-left-ventricular-reconstruction-mandatory
#7
Sotirios Spiliopoulos, Andrae Wasler, Friedrich Fruehwald, Klemens Ablasser, Gergana Stoschitzky, Otto Dapunt
No abstract text is available yet for this article.
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28242779/activated-t-lymphocytes-are-essential-drivers-of-pathological-remodeling-in-ischemic-heart-failure
#8
Shyam S Bansal, Mohamed Ameen Ismahil, Mehak Goel, Bindiya Patel, Tariq Hamid, Gregg Rokosh, Sumanth D Prabhu
BACKGROUND: Inappropriately sustained inflammation is a hallmark of chronic ischemic heart failure (HF); however, the pathophysiological role of T lymphocytes is unclear. METHODS AND RESULTS: Permanent coronary ligation was performed in adult C57BL/6 mice. When compared with sham-operated mice, mice with HF (8 weeks after ligation) exhibited the following features: (1) significant (P<0.05) expansion of circulating CD3(+)CD8(+) cytotoxic and CD3(+)CD4(+) helper (Th) T lymphocytes, together with increased Th1, Th2, Th17, and regulatory T-cell (Treg) CD4(+) subsets; (2) significant expansion of CD8(+) and CD4(+) T cells in failing myocardium, with increased Th1, Th2, Th17, and Treg CD4(+) subsets, marked reduction of the Th1/Th2 ratio, augmentation of the Th17/Treg ratio, and upregulation of Th2 cytokines; and (3) significantly increased Th1, Th2, Th17 cells, and Tregs, in the spleen and mediastinal lymph nodes, with expansion of splenic antigen-experienced effector and memory CD4(+) T cells...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28242778/%C3%AE-b-crystallin-reverses-high-diastolic-stiffness-of-failing-human-cardiomyocytes
#9
Constantijn Franssen, Jeroen Kole, René Musters, Nazha Hamdani, Walter J Paulus
BACKGROUND: Cardiomyocytes with a less distensible titin and interstitial collagen contribute to the high diastolic stiffness of failing myocardium. Their relative contributions and mechanisms underlying loss of titin distensibility were assessed in failing human hearts. METHODS AND RESULTS: Left ventricular tissue was procured in patients with aortic stenosis (AS, n=9) and dilated cardiomyopathy (DCM, n=6). Explanted donor hearts (n=8) served as controls. Stretches were performed in myocardial strips, and an extraction protocol differentiated between passive tension (Fpassive) attributable to cardiomyocytes or to collagen...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28242777/correction
#10
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28235759/long-term-pathological-follow-up-of-myocardium-in-a-carrier-of-duchenne-muscular-dystrophy-with-dilated-cardiomyopathy
#11
Toru Kondo, Takahiro Okumura, Mikito Takefuji, Hiroaki Hiraiwa, Yuki Sugiura, Naoki Watanabe, Soichiro Aoki, Takeo Ichii, Katsuhide Kitagawa, Naoaki Kano, Kenji Fukaya, Kenji Furusawa, Akinori Sawamura, Ryota Morimoto, Yasuko K Bando, Genzou Takemura, Toyoaki Murohara
No abstract text is available yet for this article.
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28209768/worsening-renal-function-and-mortality-in-heart-failure-causality-or-confounding
#12
EDITORIAL
Jeffrey M Testani, Meredith A Brisco-Bacik
No abstract text is available yet for this article.
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28209767/ideal-cardiovascular-health-cardiovascular-remodeling-and-heart-failure-in-blacks-the-jackson-heart-study
#13
Aferdita Spahillari, Sameera Talegawkar, Adolfo Correa, J Jeffrey Carr, James G Terry, João Lima, Jane E Freedman, Saumya Das, Robb Kociol, Sarah de Ferranti, Donya Mohebali, Stanford Mwasongwe, Katherine L Tucker, Venkatesh L Murthy, Ravi V Shah
BACKGROUND: The lifetime risk of heart failure (HF) is higher in the black population than in other racial groups in the United States. METHODS AND RESULTS: We measured the Life's Simple 7 ideal cardiovascular health metrics in 4195 blacks in the JHS (Jackson Heart Study; 2000-2004). We evaluated the association of Simple 7 metrics with incident HF and left ventricular structure and function by cardiac magnetic resonance (n=1188). Mean age at baseline was 54.4 years (65% women)...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28209766/glycosylated-chromogranin-a-in-heart-failure-implications-for-processing-and-cardiomyocyte-calcium-homeostasis
#14
Anett Hellebø Ottesen, Cathrine R Carlson, William E Louch, Mai Britt Dahl, Ragnhild A Sandbu, Rune Forstrøm Johansen, Hilde Jarstadmarken, Magnar Bjørås, Arne Didrik Høiseth, Jon Brynildsen, Ivar Sjaastad, Mats Stridsberg, Torbjørn Omland, Geir Christensen, Helge Røsjø
BACKGROUND: Chromogranin A (CgA) levels have previously been found to predict mortality in heart failure (HF), but currently no information is available regarding CgA processing in HF and whether the CgA fragment catestatin (CST) may directly influence cardiomyocyte function. METHODS AND RESULTS: CgA processing was characterized in postinfarction HF mice and in patients with acute HF, and the functional role of CST was explored in experimental models. Myocardial biopsies from HF, but not sham-operated mice, demonstrated high molecular weight CgA bands...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28209765/renin-angiotensin-system-inhibition-worsening-renal-function-and-outcome-in-heart-failure-patients-with-reduced-and-preserved-ejection-fraction-a-meta-analysis-of-published-study-data
#15
Iris E Beldhuis, Koen W Streng, Jozine M Ter Maaten, Adriaan A Voors, Peter van der Meer, Patrick Rossignol, John J V McMurray, Kevin Damman
BACKGROUND: Renin-angiotensin aldosterone system (RAAS) inhibitors significantly improve outcome in heart failure (HF) patients with reduced ejection fraction (HFREF), irrespective of the occurrence of worsening renal function (WRF). However, in HF patients with preserved ejection fraction (HFPEF), RAAS inhibitors have not been shown to improve outcome but are still frequently prescribed. METHODS AND RESULTS: Random effect meta-analysis was performed to investigate the relationship between RAAS inhibitor therapy, WRF in both HF phenotypes, and mortality...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28209764/kcnj11-ablation-is-associated-with-increased-nitro-oxidative-stress-during-ischemia-reperfusion-injury-implications-for-human-ischemic-cardiomyopathy
#16
Bo Zhang, Tatiana Novitskaya, Debra G Wheeler, Zhaobin Xu, Elena Chepurko, Ryan Huttinger, Heng He, Saradhadevi Varadharaj, Jay L Zweier, Yanna Song, Meng Xu, Frank E Harrell, Yan Ru Su, Tarek Absi, Mark J Kohr, Mark T Ziolo, Dan M Roden, Christian M Shaffer, Cristi L Galindo, Quinn S Wells, Richard J Gumina
BACKGROUND: Despite increased secondary cardiovascular events in patients with ischemic cardiomyopathy (ICM), the expression of innate cardiac protective molecules in the hearts of patients with ICM is incompletely characterized. Therefore, we used a nonbiased RNAseq approach to determine whether differences in cardiac protective molecules occur with ICM. METHODS AND RESULTS: RNAseq analysis of human control and ICM left ventricular samples demonstrated a significant decrease in KCNJ11 expression with ICM...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28193718/h-ras-isoform-mediates-protection-against-pressure-overload-induced-cardiac-dysfunction-in-part-through-activation-of-akt
#17
Takahisa Matsuda, Jae Im Jeong, Shohei Ikeda, Takanobu Yamamoto, Shumin Gao, Gopal J Babu, Peiyong Zhai, Dominic P Del Re
BACKGROUND: In general, Ras proteins are thought to promote cardiac hypertrophy, an important risk factor for cardiovascular disease and heart failure. However, the contribution of different Ras isoforms has not been investigated. The objective of this study was to define the role of H- and K-Ras in modulating stress-induced myocardial hypertrophy and failure. METHODS AND RESULTS: We used H- and K-Ras gene knockout mice and subjected them to pressure overload to induce cardiac hypertrophy and dysfunction...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28193717/differences-in-presentation-and-outcomes-between-children-with-familial-dilated-cardiomyopathy-and-children-with-idiopathic-dilated-cardiomyopathy-a-report-from-the-pediatric-cardiomyopathy-registry-study-group
#18
Paolo Rusconi, James D Wilkinson, Lynn A Sleeper, Minmin Lu, Gerald F Cox, Jeffrey A Towbin, Steven D Colan, Steven A Webber, Charles E Canter, Stephanie M Ware, Daphne T Hsu, Wendy K Chung, John L Jefferies, Christina Cordero, Steven E Lipshultz
BACKGROUND: Research comparing the survival of children with familial dilated cardiomyopathy (FDCM) to that of children with idiopathic dilated cardiomyopathy (IDCM) has produced conflicting results. METHODS AND RESULTS: We analyzed data from children with FDCM or IDCM using the National Heart, Lung, and Blood Institute-funded Pediatric Cardiomyopathy Registry. Compared to children with IDCM (n=647), children with FDCM (n=223) were older (mean 6.2 versus 4.5 years, P<0...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28188269/ventricular-thrombosis-post-venoarterial-extracorporeal-membrane-oxygenation
#19
Mosaad Alhussein, Yasbanoo Moayedi, Juan Duero Posada, Heather Ross, Edward Hickey, Vivek Rao, Filio Billia
No abstract text is available yet for this article.
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28188268/design-and-rationale-of-a-randomized-trial-of-a-care-transition-strategy-in-patients-with-acute-heart-failure-discharged-from-the-emergency-department-guided-hf-get-with-the-guidelines-in-emergency-department-patients-with-heart-failure
#20
Gregory J Fermann, Phillip D Levy, Peter Pang, Javed Butler, S Imran Ayaz, Douglas Char, Patrick Dunn, Cathy A Jenkins, Christy Kampe, Yosef Khan, Vijaya A Kumar, JoAnn Lindenfeld, Dandan Liu, Karen Miller, W Frank Peacock, Samaa Rizk, Chad Robichaux, Russell L Rothman, Jon Schrock, Adam Singer, Sarah A Sterling, Alan B Storrow, Cheryl Walsh, John Wilburn, Sean P Collins
GUIDED-HF (Get With the Guidelines in Emergency Department Patients With Heart Failure) is a multicenter randomized trial of a patient-centered transitional care intervention in patients with acute heart failure (AHF) who are discharged either directly from the emergency department (ED) or after a brief period of ED-based observation. To optimize care and reduce ED and hospital revisits, there has been significant emphasis on improving transitions at the time of hospital discharge for patients with HF. Such efforts have been almost exclusively directed at hospitalized patients; individuals with AHF who are discharged from the ED or ED-based observation are not included in these transitional care initiatives...
February 2017: Circulation. Heart Failure
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