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Jaya Chandrasekhar, Usman Baber, Samantha Sartori, Melissa Aquino, Annapoorna S Kini, Sunil Rao, William Weintraub, Timothy D Henry, Serdar Farhan, Birgit Vogel, Sabato Sorrentino, Zhen Ge, Samir Kapadia, Joseph B Muhlestein, Sandra Weiss, Craig Strauss, Catalin Toma, Anthony DeFranco, Mark B Effron, Stuart Keller, Brian A Baker, Stuart Pocock, George Dangas, Roxana Mehran
BACKGROUND: Potent P2Y12 inhibitors might offer enhanced benefit against thrombotic events in complex percutaneous coronary intervention (PCI). We examined prasugrel use and outcomes according to PCI complexity, as well as analyzing treatment effects according to thienopyridine type. METHODS: PROMETHEUS was a multicentre observational study that compared clopidogrel vs prasugrel in acute coronary syndrome patients who underwent PCI (n = 19,914). Complex PCI was defined as PCI of the left main, bifurcation lesion, moderate-severely calcified lesion, or total stent length ≥ 30 mm...
March 2018: Canadian Journal of Cardiology
Xiaoming Zhang, Jin-Young Yoon, Michael Morley, Jared M McLendon, Kranti A Mapuskar, Rebecca Gutmann, Haider Mehdi, Heather L Bloom, Samuel C Dudley, Patrick T Ellinor, Alaa A Shalaby, Raul Weiss, W H Wilson Tang, Christine S Moravec, Madhurmeet Singh, Anne L Taylor, Clyde W Yancy, Arthur M Feldman, Dennis M McNamara, Kaikobad Irani, Douglas R Spitz, Patrick Breheny, Kenneth B Margulies, Barry London, Ryan L Boudreau
SCN5A encodes the voltage-gated Na+ channel NaV1.5 that is responsible for depolarization of the cardiac action potential and rapid intercellular conduction. Mutations disrupting the SCN5A coding sequence cause inherited arrhythmias and cardiomyopathy, and single-nucleotide polymorphisms (SNPs) linked to SCN5A splicing, localization, and function associate with heart failure-related sudden cardiac death. However, the clinical relevance of SNPs that modulate SCN5A expression levels remains understudied. We recently generated a transcriptome-wide map of microRNA (miR) binding sites in human heart, evaluated their overlap with common SNPs, and identified a synonymous SNP (rs1805126) adjacent to a miR-24 site within the SCN5A coding sequence...
February 19, 2018: Journal of Clinical Investigation
Karl Heinrich Scholz, Sebastian K G Maier, Lars S Maier, Björn Lengenfelder, Claudius Jacobshagen, Jens Jung, Claus Fleischmann, Gerald S Werner, Hans G Olbrich, Rainer Ott, Harald Mudra, Karlheinz Seidl, P Christian Schulze, Christian Weiss, Josef Haimerl, Tim Friede, Thomas Meyer
Aims: The aim of this study was to investigate the effect of contact-to-balloon time on mortality in ST-segment elevation myocardial infarction (STEMI) patients with and without haemodynamic instability. Methods and results: Using data from the prospective, multicentre Feedback Intervention and Treatment Times in ST-Elevation Myocardial Infarction (FITT-STEMI) trial, we assessed the prognostic relevance of first medical contact-to-balloon time in n = 12 675 STEMI patients who used emergency medical service transportation and were treated with primary percutaneous coronary intervention (PCI)...
February 14, 2018: European Heart Journal
Rene Bastkowski, Kilian Weiss, David Maintz, Daniel Giese
PURPOSE: The acquisition of 4D flow magnetic resonance imaging (MRI) in cardiovascular applications has recently made large progress toward clinical feasibility. The need for simultaneous compensation of cardiac and breathing motion still poses a challenge for widespread clinical use. Especially, breathing motion, addressed by gating approaches, can lead to unpredictable and long scan times. The current work proposes a time-efficient self-gated 4D flow sequence that exploits up to 100% of the acquired data and operates at a predictable scan time...
January 17, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
Muhammad R Afzal, Divyesh Mehta, Christopher Evenson, Daniel Pinkhas, Auroa Badin, Dilesh Patel, Michael K Essandoh, Hemant Godara, Jaret Tyler, Mahmoud Houmsse, Zhenguo Liu, Steven J Kalbfleisch, John D Hummel, Ralph Augostini, Raul Weiss, Emile G Daoud, Toshimasa Okabe
BACKGROUND: The perioperative anticoagulation management during subcutaneous implantable cardioverter-defibrillator (S-ICD) implantation is still evolving. OBJECTIVE: The purpose of this study was to assess whether it is safe to perform S-ICD implantation with uninterrupted warfarin. METHODS: This is a single-center retrospective review of patients undergoing S-ICD implantation between October 1, 2012 and June 30, 2017. One hundred thirty-seven patients underwent successful S-ICD implantation during the study period...
November 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Pasquale Vergara, Roderick Tung, Marmar Vaseghi, Chiara Brombin, David Frankel, Luigi Di Biase, Koichi Nagashima, Usha Tedrow, Wendy S Tzou, William H Sauer, Nilesh Mathuria, Shiro Nakahara, Kairav Vakil, Venkat Tholakanahalli, T Jared Bunch, J Peter Weiss, Timm Dickfeld, Rama Vunnam, Dhanunjaya Lakireddy, J David Burkhardt, Anna Correra, Pasquale Santangeli, David Callans, Andrea Natale, Francis Marchlinski, William G Stevenson, Kalyanam Shivkumar, Paolo Della Bella
OBJECTIVE: The purpose of this study was to evaluate the characteristics and outcome of patients undergoing ablation after electrical storm (ES). METHODS: Clinical and procedural characteristics, ventricular tachycardia (VT) recurrence, and mortality rates from 1940 patients undergoing VT ablation were compared between patients with and without ES. RESULTS: The group of 677 patients with ES (34.9%) were older, were more frequently men, and had a lower ejection fraction, more advanced heart failure, and a higher prevalence of cardiovascular comorbidities as compared with those without ES (86...
August 24, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Usman Baber, Jaya Chandrasekhar, Samantha Sartori, Melissa Aquino, Annapoorna S Kini, Samir Kapadia, William Weintraub, Joseph B Muhlestein, Birgit Vogel, Michela Faggioni, Serdar Farhan, Sandra Weiss, Craig Strauss, Catalin Toma, Anthony DeFranco, Brian A Baker, Stuart Keller, Mark B Effron, Timothy D Henry, Sunil Rao, Stuart Pocock, George Dangas, Roxana Mehran
OBJECTIVES: This study sought to compare clinical outcomes in a contemporary acute coronary syndrome (ACS) percutaneous coronary intervention (PCI) cohort stratified by chronic kidney disease (CKD) status. BACKGROUND: Patients with CKD exhibit high risks for both thrombotic and bleeding events, thus complicating decision making regarding antiplatelet therapy in the setting of ACS. METHODS: The PROMETHEUS study was a multicenter observational study comparing outcomes with prasugrel versus clopidogrel in ACS PCI patients...
October 23, 2017: JACC. Cardiovascular Interventions
Mary Ann Peberdy, Jason A Gluck, Joseph P Ornato, Christian A Bermudez, Russell E Griffin, Vigneshwar Kasirajan, Richard E Kerber, Eldrin F Lewis, Mark S Link, Corinne Miller, Jeffrey J Teuteberg, Ravi Thiagarajan, Robert M Weiss, Brian O'Neil
Cardiac arrest in patients on mechanical support is a new phenomenon brought about by the increased use of this therapy in patients with end-stage heart failure. This American Heart Association scientific statement highlights the recognition and treatment of cardiovascular collapse or cardiopulmonary arrest in an adult or pediatric patient who has a ventricular assist device or total artificial heart. Specific, expert consensus recommendations are provided for the role of external chest compressions in such patients...
June 13, 2017: Circulation
Jessica Weiss, Michele Freeman, Allison Low, Rochelle Fu, Amy Kerfoot, Robin Paynter, Makalapua Motu'apuaka, Karli Kondo, Devan Kansagara
Background: Recent guidelines recommend a systolic blood pressure (SBP) goal of less than 150 mm Hg for adults aged 60 years or older, but the balance of benefits and harms is unclear in light of newer evidence. Purpose: To systematically review the effects of more versus less intensive BP control in older adults. Data Sources: Multiple databases through January 2015 and MEDLINE to September 2016. Study Selection: 21 randomized, controlled trials comparing BP targets or treatment intensity, and 3 observational studies that assessed harms...
March 21, 2017: Annals of Internal Medicine
Lucas V Boersma, Craig S Barr, Martin C Burke, Angel R Leon, Dominic A Theuns, John M Herre, Raul Weiss, Mark S Kremers, Petr Neuzil, Michael P Husby, Nathan Carter, Timothy M Stivland, Michael R Gold
BACKGROUND: The subcutaneous implantable defibrillator (S-ICD) provides an alternative to the transvenous ICD for the prevention of sudden cardiac death, but has not been well studied in the most commonly treated transvenous ICD patient population, namely, primary prevention (PP) patients with left ventricular dysfunction. OBJECTIVE: The analyses in the present study were designed to compare clinical outcomes for PP patients with and without a reduced ejection fraction (EF) and secondary prevention (SP) patients implanted with the S-ICD...
November 24, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Pradeep Natarajan, Joshua C Bis, Lawrence F Bielak, Amanda J Cox, Marcus Dörr, Mary F Feitosa, Nora Franceschini, Xiuqing Guo, Shih-Jen Hwang, Aaron Isaacs, Min A Jhun, Maryam Kavousi, Ruifang Li-Gao, Leo-Pekka Lyytikäinen, Riccardo E Marioni, Ulf Schminke, Nathan O Stitziel, Hayato Tada, Jessica van Setten, Albert V Smith, Dina Vojinovic, Lisa R Yanek, Jie Yao, Laura M Yerges-Armstrong, Najaf Amin, Usman Baber, Ingrid B Borecki, J Jeffrey Carr, Yii-Der Ida Chen, L Adrienne Cupples, Pim A de Jong, Harry de Koning, Bob D de Vos, Ayse Demirkan, Valentin Fuster, Oscar H Franco, Mark O Goodarzi, Tamara B Harris, Susan R Heckbert, Gerardo Heiss, Udo Hoffmann, Albert Hofman, Ivana Išgum, J Wouter Jukema, Mika Kähönen, Sharon L R Kardia, Brian G Kral, Lenore J Launer, Joe Massaro, Roxana Mehran, Braxton D Mitchell, Thomas H Mosley, Renée de Mutsert, Anne B Newman, Khanh-Dung Nguyen, Kari E North, Jeffrey R O'Connell, Matthijs Oudkerk, James S Pankow, Gina M Peloso, Wendy Post, Michael A Province, Laura M Raffield, Olli T Raitakari, Dermot F Reilly, Fernando Rivadeneira, Frits Rosendaal, Samantha Sartori, Kent D Taylor, Alexander Teumer, Stella Trompet, Stephen T Turner, Andre G Uitterlinden, Dhananjay Vaidya, Aad van der Lugt, Uwe Völker, Joanna M Wardlaw, Christina L Wassel, Stefan Weiss, Mary K Wojczynski, Diane M Becker, Lewis C Becker, Eric Boerwinkle, Donald W Bowden, Ian J Deary, Abbas Dehghan, Stephan B Felix, Vilmundur Gudnason, Terho Lehtimäki, Rasika Mathias, Dennis O Mook-Kanamori, Bruce M Psaty, Daniel J Rader, Jerome I Rotter, James G Wilson, Cornelia M van Duijn, Henry Völzke, Sekar Kathiresan, Patricia A Peyser, Christopher J O'Donnell
BACKGROUND: The burden of subclinical atherosclerosis in asymptomatic individuals is heritable and associated with elevated risk of developing clinical coronary heart disease. We sought to identify genetic variants in protein-coding regions associated with subclinical atherosclerosis and the risk of subsequent coronary heart disease. METHODS AND RESULTS: We studied a total of 25 109 European ancestry and African ancestry participants with coronary artery calcification (CAC) measured by cardiac computed tomography and 52 869 participants with common carotid intima-media thickness measured by ultrasonography within the CHARGE Consortium (Cohorts for Heart and Aging Research in Genomic Epidemiology)...
December 2016: Circulation. Cardiovascular Genetics
(no author information available yet)
No abstract text is available yet for this article.
June 2016: Annals of Intensive Care
T Jared Bunch, Heidi T May, Tami L Bair, Brian G Crandall, Michael J Cutler, Victoria Jacobs, Charles Mallender, Joseph B Muhlestein, Jeffrey S Osborn, J Peter Weiss, John D Day
BACKGROUND: Catheter ablation of atrial fibrillation (AF) is an established therapeutic rhythm approach in symptomatic patients. Obesity is a dominant driver of AF recurrence after ablation. However, being both overweight and underweight drives long-term cardiac and general health risks. Long-term data are needed to understand the influence of body mass index (BMI) on outcomes after ablation in regard to arrhythmia recurrence and cardiovascular outcomes. METHODS: All patients who underwent an index ablation with a BMI recorded and at least 3 years of follow-up were included (n = 1558)...
September 2016: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
Peter J Leary, Ryan J Tedford, David A Bluemke, Michael R Bristow, Susan R Heckbert, Steven M Kawut, Eric V Krieger, Joao A Lima, Carolina S Masri, David D Ralph, Steven Shea, Noel S Weiss, Richard A Kronmal
BACKGROUND: Myocardial H2 receptor activation may promote cardiac fibrosis and apoptosis in pre-clinical models and histamine H2 receptor antagonist (H2RA) use may improve symptoms in participants with heart failure (HF); however, relationships between H2RA use, incident HF, and longitudinal change in left ventricular (LV) morphology are not known. OBJECTIVES: This study sought to determine whether H2RA use is associated with incident HF and change in LV morphology over time...
April 5, 2016: Journal of the American College of Cardiology
Sushabhan Sadhukhan, Xiaojing Liu, Dongryeol Ryu, Ornella D Nelson, John A Stupinski, Zhi Li, Wei Chen, Sheng Zhang, Robert S Weiss, Jason W Locasale, Johan Auwerx, Hening Lin
Cellular metabolites, such as acyl-CoA, can modify proteins, leading to protein posttranslational modifications (PTMs). One such PTM is lysine succinylation, which is regulated by sirtuin 5 (SIRT5). Although numerous proteins are modified by lysine succinylation, the physiological significance of lysine succinylation and SIRT5 remains elusive. Here, by profiling acyl-CoA molecules in various mouse tissues, we have discovered that different tissues have different acyl-CoA profiles and that succinyl-CoA is the most abundant acyl-CoA molecule in the heart...
April 19, 2016: Proceedings of the National Academy of Sciences of the United States of America
A Wannhoff, T Hippchen, C S Weiss, K Friedrich, C Rupp, C Neumann-Haefelin, M Dollinger, C Antoni, U Stampfl, P Schemmer, W Stremmel, K H Weiss, B Radeleff, H A Katus, D N Gotthardt
BACKGROUND: Transjugular intrahepatic portosystemic shunt (TIPSS) cause haemodynamic changes in patients with cirrhosis, yet little is known about long-term cardiopulmonary outcomes. AIM: To evaluate the long-term cardiopulmonary outcome after TIPSS. METHODS: We evaluated cardiopulmonary parameters including echocardiography during long-term follow-up after TIPSS. Results at 1-5 years after TIPSS were compared to those of cirrhotic controls...
May 2016: Alimentary Pharmacology & Therapeutics
Marcus R Streit, Celine S Weiss, Sören Meyer, Marco M Ochs, Marco Hagenmueller, Johannes H Riffel, Sebastian J Buss, Thomas Heger, Hugo A Katus, Stefan E Hardt
AIMS: Inhibition of β-adrenergic signalling plays a key role in treatment of heart failure. Gsα is essential for β-adrenergic signal transduction. In order to reduce side-effects of beta-adrenergic inhibition diminishing β-adrenergic signalling in the heart at the level of Gsα is a promising option. METHODS AND RESULTS: We analyzed the influence of Gsα on regulation of myocardial function and development of cardiac hypertrophy, using a transgenic mouse model (C57BL6/J mice) overexpressing a dominant negative Gsα-mutant under control of the α-MHC-promotor...
2016: PloS One
Cristian Pattaro, Martin Gögele, Deborah Mascalzoni, Roberto Melotti, Christine Schwienbacher, Alessandro De Grandi, Luisa Foco, Yuri D'Elia, Barbara Linder, Christian Fuchsberger, Cosetta Minelli, Clemens Egger, Lisa S Kofink, Stefano Zanigni, Torsten Schäfer, Maurizio F Facheris, Sigurður V Smárason, Alessandra Rossini, Andrew A Hicks, Helmuth Weiss, Peter P Pramstaller
The Cooperative Health Research In South Tyrol (CHRIS) study is a population-based study with a longitudinal lookout to investigate the genetic and molecular basis of age-related common chronic conditions and their interaction with life style and environment in the general population. All adults of the middle and upper Vinschgau/Val Venosta are invited, while 10,000 participants are anticipated by mid-2017. Family participation is encouraged for complete pedigree reconstruction and disease inheritance mapping...
November 5, 2015: Journal of Translational Medicine
T Jared Bunch, Heidi T May, Tami L Bair, Victoria Jacobs, Brian G Crandall, Michael Cutler, J Peter Weiss, Charles Mallender, Jeffrey S Osborn, Jeffrey L Anderson, John D Day
BACKGROUND: Catheter ablation of atrial fibrillation (AF) is an established therapeutic rhythm approach in symptomatic patients. Many studies have shown that age has little to no impact on outcomes during the first year after ablation. However, AF is a disease of aging and age-based substrate for arrhythmia is likely to progress. To this regard, we examined patients with 5-year outcome data following an index AF ablation procedure to define the impact of age on long-term outcomes. METHODS: A total of 923 patients that underwent their index AF ablation and had 5 years of follow-up were studied...
February 2016: Journal of Cardiovascular Electrophysiology
Anita D'Souza, Angela Dispenzieri, Baldeep Wirk, Mei-Jie Zhang, Jiaxing Huang, Morie A Gertz, Robert A Kyle, Shaji Kumar, Raymond L Comenzo, Robert Peter Gale, Hillard M Lazarus, Bipin N Savani, Robert F Cornell, Brendan M Weiss, Dan T Vogl, César O Freytes, Emma C Scott, Heather J Landau, Jan S Moreb, Luciano J Costa, Muthalagu Ramanathan, Natalie S Callander, Rammurti T Kamble, Richard F Olsson, Siddhartha Ganguly, Taiga Nishihori, Tamila L Kindwall-Keller, William A Wood, Tomer M Mark, Parameswaran Hari
PURPOSE: Autologous hematopoietic cell transplantation, or autotransplantation, is effective in light-chain amyloidosis (AL), but it is associated with a high risk of early mortality (EM). In a multicenter randomized comparison against oral chemotherapy, autotransplantation was associated with 24% EM. We analyzed trends in outcomes after autologous hematopoietic cell transplantation for AL in North America. PATIENTS AND METHODS: Between 1995 and 2012, 1,536 patients with AL who underwent autotransplantation at 134 centers were identified in the Center for International Blood and Marrow Transplant Research database...
November 10, 2015: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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