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https://www.readbyqxmd.com/read/28333373/ventricular-arrhythmias-in-patients-with-newly-diagnosed-nonischemic-cardiomyopathy-insights-from-the-prolong-study
#1
David Duncker, Thorben König, Stephan Hohmann, Johann Bauersachs, Christian Veltmann
BACKGROUND: Patients with nonischemic cardiomyopathy (NICM) reportedly have low incidence of appropriate shocks from wearable cardioverter-defibrillators (WCDs). A recent study questions the benefit from primary preventive implantation of implantable cardioverter-defibrillators in NICM. We therefore analyzed a subgroup of patients with NICM from the PROLONG study. HYPOTHESIS: Patients with newly diagnosed NICM show a risk for ventricular tachyarrhythmia. METHODS: The PROLONG study included 167 patients with newly diagnosed heart failure and left ventricular ejection fraction (LVEF) ≤35% with a WCD...
March 23, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28332355/long-term-prognosis-of-patients-with-an-implantable-cardioverter-defibrillator-in-korea
#2
Jae Sun Uhm, Tae Hoon Kim, In Cheol Kim, Young Ah Park, Dong Geum Shin, Yeong Min Lim, Hee Tae Yu, Pil Sung Yang, Hui Nam Pak, Seok Min Kang, Moon Hyoung Lee, Boyoung Joung
PURPOSE: The objective of this study was to elucidate the long-term prognosis of patients with implantable cardioverter-defibrillators (ICDs) in Korea. MATERIALS AND METHODS: We enrolled 405 patients (age, 57.7±16.7 years; 311 men) who had undergone ICD implantation. The patients were divided into three groups: heart failure (HF) and ICD for primary (group 1, n=118) and secondary prevention (group 2, n=93) and non-HF (group 3, n=194). We compared appropriate and inappropriate ICD therapy delivery among the groups and between high- (heart rate ≥200 /min) and low-rate (<200 /min) ICD therapy zones...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28330534/-electrosurgery-in-patients-with-pacemaker-or-implantable-cardioverter-defibrillator
#3
Ann Sophie Claire Lønnberg, Berit Thornvig Philberts, Christian Bonde
Electrosurgery is a very useful tool and one of the most commonly used techniques. However, the technique can interfere with pacemakers and implantable cardioverter defibrillators. This article provides practical recommendations for the use of electrosurgery in these patients.
March 13, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28330445/cardiac-amyloidosis-mimicking-severe-aortic-valve-stenosis-a-case-report-demonstrating-diagnostic-pitfalls-and-role-of-dobutamine-stress-echocardiography
#4
Tim Salinger, Kai Hu, Dan Liu, Sebastian Herrmann, Kristina Lorenz, Georg Ertl, Peter Nordbeck
BACKGROUND: Aortic valve stenosis is a common finding diagnosed with high sensitivity in transthoracic echocardiography, but the examiner often finds himself confronted with uncertain results in patients with moderate pressure gradients and concomitant systolic heart failure. While patients with true-severe low-gradient aortic valve stenosis with either reduced or preserved left ventricular systolic function are primarily candidates for valve replacement, there is a relevant proportion of patients with pseudo-severe aortic valve stenosis anticipated not to benefit but actually rather deteriorate by interventional therapy or surgery...
March 22, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28329322/utilization-and-in-hospital-complications-of-cardiac-resynchronization-therapy-trends-in-the-united-states-from-2003-to-2013
#5
Seyed Mohammadreza Hosseini, Kasra Moazzami, Guy Rozen, Jeena Vaid, Ahmed Saleh, E Kevin Heist, Mark Vangel, Jeremy N Ruskin
Aims: Cardiac resynchronization therapy (CRT) device implantation has been shown to reduce morbidity and mortality in selected patients with heart failure. We sought to investigate the utilization and in-hospital complications of cardiac resynchronization therapy defibrillator (CRT-D) and pacemaker (CRT-P) implantations in the United States from 2003 to 2013. Methods and results: Patients receiving CRT-D or CRT-P were identified in the National Inpatient Sample database (NIS), using the International Classification of Diseases-Ninth Revision-Clinical Modification procedure codes...
March 13, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28329298/defibrillators-work-now-it-is-time-to-find-out-who-needs-them
#6
Jens Jakob Thune, Lars Køber
No abstract text is available yet for this article.
March 13, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28329280/implantable-cardioverter-defibrillators-for-primary-prevention-of-death-in-left-ventricular-dysfunction-with-and-without-ischaemic-heart-disease-a-meta-analysis-of-8567-patients-in-the-11-trials
#7
Matthew J Shun-Shin, Sean L Zheng, Graham D Cole, James P Howard, Zachary I Whinnett, Darrel P Francis
Aims: Primary prevention implantable cardioverter defibrillators (ICDs) are established therapy for reducing mortality in patients with left ventricular systolic dysfunction and ischaemic heart disease (IHD). However, their efficacy in patients without IHD has been controversial. We undertook a meta-analysis of the totality of the evidence. Methods and results: We systematically identified all RCTs comparing ICD vs. no ICD in primary prevention. Eligible RCTs were those that recruited patients with left ventricular dysfunction, reported all-cause mortality, and presented their results stratified by the presence of IHD (or recruited only those with or without)...
February 21, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28328299/early-left-ventricular-ejection-fraction-as-a-predictor-of-survival-after-cardiac-arrest
#8
Barry Burstein, Dev Jayaraman, Regina Husa
Although echocardiograms are frequently performed within 24 h of sudden cardiac death, the utility of left ventricular ejection fraction (LVEF) to predict survival is unknown. In this is single center retrospective cohort study of patients admitted to the intensive care unit or coronary care unit after in-hospital or out-of-hospital sudden cardiac death, LVEF <40% was not a significant predictor of survival at 30 days or hospital discharge. ABSTRACT Background: Cardiopulmonary resuscitation and early defibrillation have been shown to improve outcomes of cardiac arrest...
March 22, 2017: Acute Cardiac Care
https://www.readbyqxmd.com/read/28326565/erroneous-magnet-positioning-leads-to-failure-of-inhibition-of-inappropriate-shock-during-fast-conducting-atrial-fibrillation-episodes
#9
Hans Römers, Vincent VAN Dijk, Jippe Balt
We present the case of a 75-year-old patient with a single-chamber St. Jude Medical internal cardioverter defibrillator (ICD; St. Jude Medical, St. Paul, MN, USA) for primary prevention, who was admitted with 39 inappropriate ICD shocks because of atrial fibrillation with rapid ventricular frequention, despite magnet placement. Review of the device manual and literature revealed that apart from different responses to magnet placement programmed for the various manufacturers, the type of magnet and the positioning can be of specific interest...
February 3, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28324909/an-extrapericardial-minimally-invasive-approach-for-implantable-cardioverter-defibrillator
#10
Jeko M Madjarov, Michael G Katz, Brad Poole, Svetozar Madzharov, John M Fedor, Francis Robicsek
The indications for placement of an implantable cardioverter defibrillators (ICDs) have greatly expanded over the last years. However, standard transvenous approach is not suitable for a subset of patients who cannot benefit from ICD therapy. Here, we have demonstrated the feasibility and efficacy of extrapericardial ICD placement through a minimally invasive access in intact hearts as well as in postmyocardial infarction large animal models. Based on our data, we conclude that extrapericardial ICD placement is a feasible approach that may be a valuable alternative or adjunct to current defibrillator lead systems...
March 21, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28323174/multicenter-investigation-of-an-implantable-cardioverter-defibrillator-algorithm-to-detect-oversensing
#11
Nicolas Welte, Marc Strik, Romain Eschalier, Pierre Mondoly, Pascal Defaye, Antonio Frontera, Philippe Ritter, Michel Haïssaguerre, Sylvain Ploux, Jayanthi Koneru, Kenneth A Ellenbogen, Pierre Bordachar
BACKGROUND: The SecureSense™ RV Lead Noise Discrimination algorithm is designed to detect lead fracture and other types of oversensing in order to decrease inappropriate therapy. OBJECTIVE: We studied the real-life accuracy of the SecureSenseTM algorithm in ICD patients followed by remote-monitoring across multiple centers. METHODS: Across three French centers, we studied 486 patients with a St. Jude Medical device who were followed by remote-monitoring and who had the SecureSense™ algorithm activated...
March 18, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28323084/integration-of-in-hospital-cardiac-arrest-contextual-curriculum-into-a-basic-life-support-course-a-randomized-controlled-simulation-study
#12
Elizabeth A Hunt, Jordan M Duval-Arnould, Nnenna O Chime, Kareen Jones, Michael Rosen, Merona Hollingsworth, Deborah Aksamit, Marida Twilley, Cheryl Camacho, Daniel P Nogee, Julianna Jung, Kristen Nelson-McMillan, Nicole Shilkofski, Julianne S Perretta
OBJECTIVE: To compare resuscitation performance on simulated in-hospital cardiac arrests after traditional American Heart Association (AHA) Healthcare Provider Basic Life Support course (TradBLS) versus revised course including in-hospital skills (HospBLS). DESIGN: Prospective, randomized, controlled curriculum evaluation. SETTING: Johns Hopkins Medicine Simulation Center. SUBJECTS: One hundred twenty-two first year medical students divided into fifty-nine teams...
March 18, 2017: Resuscitation
https://www.readbyqxmd.com/read/28323083/new-signs-to-encourage-the-use-of-automated-external-defibrillators-by-the-lay-public
#13
Christopher M Smith, Michael C Colquhoun, Marc Samuels, Mark Hodson, Sarah Mitchell, Judy O'Sullivan
INTRODUCTION: Public Access Defibrillation - the use of Automated External Defibrillators (AEDs) by lay bystanders before the arrival of Emergency Medical Services - is an important strategy in delivering prompt defibrillation to victims of out-of-hospital cardiac arrest and can greatly improve survival rates. Such public-access AEDs are used rarely: one barrier might be poor understanding and content of current signage to indicate their presence. The aim of this project was to develop a sign, with public consultation, that better indicated the function of an AED, and an associated poster to encourage its use...
March 17, 2017: Resuscitation
https://www.readbyqxmd.com/read/28320804/the-right-place-at-the-right-time-optimizing-automated-external-defibrillator-placement-in-the-community
#14
EDITORIAL
Michael E Field, Richard L Page
No abstract text is available yet for this article.
March 21, 2017: Circulation
https://www.readbyqxmd.com/read/28320803/ranking-businesses-and-municipal-locations-by-spatiotemporal-cardiac-arrest-risk-to-guide-public-defibrillator-placement
#15
Christopher L F Sun, Steven C Brooks, Laurie J Morrison, Timothy C Y Chan
BACKGROUND: Efforts to guide automated external defibrillator placement for out-of-hospital cardiac arrest (OHCA) treatment have focused on identifying broadly defined location categories without considering hours of operation. Broad location categories may be composed of many businesses with varying accessibility. Identifying specific locations for automated external defibrillator deployment incorporating operating hours and time of OHCA occurrence may improve automated external defibrillator accessibility...
March 21, 2017: Circulation
https://www.readbyqxmd.com/read/28320451/personal-medical-electronic-devices-and-walk-through-metal-detector-security-systems-assessing-electromagnetic-interference-effects
#16
Joshua Guag, Bisrat Addissie, Donald Witters
BACKGROUND: There have been concerns that Electromagnetic security systems such as walk-through metal detectors (WTMDs) can potentially cause electromagnetic interference (EMI) in certain active medical devices including implantable cardiac pacemakers and implantable neurostimulators. Incidents of EMI between WTMDs and active medical devices also known as personal medical electronic devices (PMED) continue to be reported. This paper reports on emission measurements of sample WTMDs and testing of 20 PMEDs in a WTMD simulation system...
March 20, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28318669/-impact-of-onsite-or-dispatched-automated-external-defibrillator-use-on-early-survival-after-sudden-cardiac-arrest-occurring-in-international-airports
#17
Elena Linda Garcia, Sherry Caffrey-Villari, Diomeda Ramirez, Jean-Luc Caron, Patrice Mannhart, Paul-Georges Reuter, Frederic Lapostolle, Frederic Adnet
INTRODUCTION: Out-of-hospital cardiac arrest (OHCA) is a major public health challenge. Use of automated external defibrillators (AED) by laypersons improves survival of patient's victim of OHCA. The aim of our study was to compare onsite AED vs. dispatched AED management of cardiac arrest occurring in international airports. METHODS: We conducted a retrospective, observational, comparative, study on data collected from three international airports: Paris-Charles-de-Gaulle (CDG), Chicago and Madrid-Barajas...
March 15, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28318658/sudden-death-in-athletes
#18
Domenico Corrado, Alessandro Zorzi
Competitive sports activity is associated with an increased risk of sudden cardiovascular death (SCD) in adolescents and young adults with clinically silent cardiovascular disorders. While in middle-aged/senior athletes atherosclerotic coronary artery disease accounts for the vast majority of SCDs, in young athletes the spectrum of substrates is wider and includes inherited (cardiomyopathies) and congenital (anomalous origin of coronary arteries) structural heart diseases. Inherited ion channel diseases have been implicated in SCDs occurring with an apparently normal heart at autopsy...
March 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28316104/implantable-cardioverter-defibrillators-for-primary-prevention-of-mortality-in-patients-with-non-ischemic-cardiomyopathy-a-meta-analysis-of-randomized-controlled-trials
#19
Stavros Stavrakis, Zain Asad, Dwight Reynolds
BACKGROUND: Implantable cardioverter defibrillators (ICDs) improve survival in patients with heart failure due to ischemic cardiomyopathy, but their benefit in non-ischemic cardiomyopathy (NICM) has been recently questioned. We performed a meta-analysis of randomized clinical trials to examine the effect of ICDs on total mortality and arrhythmic death in patients with NICM. We also examined the impact of age and cardiac resynchronization therapy (CRT) on the relative effect of ICD compared to control...
March 18, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28315744/cardiac-implantable-electronic-device-infections-who-is-at-greatest-risk
#20
Parijat Saurav Joy, Gagan Kumar, Jeanne E Poole, Barry London, Brian Olshansky
BACKGROUND: Cardiac Implantable Electronic Device (CIED) infections are associated with hospitalization, mortality, increased costs and adverse outcomes. OBJECTIVE: Determine the burden of infections for CIEDs based on device type, associated comorbidities and clinical characteristics over a 12-year period. METHODS: Utilizing the National Inpatient Sample database from 2000-2012, procedures for device related infection (DRI) were identified using ICD-9-CM code for CIED removal with diagnosis codes for device-related infection or systemic infection...
March 15, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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