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https://www.readbyqxmd.com/read/30416727/do-we-need-an-implantable-cardioverter-defibrillator-for-primary-prevention-in-cardiac-resynchronisation-therapy-patients
#1
REVIEW
Demosthenes G Katritsis, Angelo Auricchio
No abstract text is available yet for this article.
August 2018: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/30412472/virtual-electrophysiological-study-as-a-tool-for-evaluating-efficacy-of-mri-techniques-in-predicting-adverse-arrhythmic-events-in-ischemic-patients
#2
Eranga Ukwatta, Plamen Nikolov, Fatemeh Zabihollahy, Natalia A Trayanova, Graham A Wright
Myocardial infarct (MI) related indices determined by late gadolinium enhancement (LGE) MRI have been widely investigated in determining patients suitable for implantable cardiovascular-defibrillator (ICD) therapy to complement left ventricular ejection fraction (LV EF). In comparison to LGE-MRI using inversion-recovery fast-gradient-echo (IR-FGRE), T1 mapping techniques, such as multi contrast late enhancement (MCLE), have been shown to provide more quantitative and reproducible estimates of infarct regions...
November 9, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/30412244/new-postoperative-conduction-abnormalities-after-the-implantation-of-a-rapid-deployment-aortic-valve-prosthesis
#3
Christian Mogilansky, Robert Balan, Cornelia Deutsch, Markus Czesla, Parwis Massoudy
OBJECTIVES: Sutureless and rapid-deployment aortic valves have enlarged the selection of prostheses available for surgical aortic valve replacement. However, the rate of postoperative pacemaker implantation seems to have increased. METHODS: In addition to pacemaker implantation, we were interested in the incidence of new postoperative conduction abnormalities, namely left bundle branch block, right bundle branch block and atrioventricular block III after the implantation of the EDWARDS INTUITY Elite™ sutureless prosthesis...
November 8, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/30410839/gender-disparities-in-out-of-hospital-cardiac-arrests
#4
Glenn Goodwin, Dyana Picache, Nicholas Gaeto, Brian J Louie, Tarik Zeid, Paxton P Aung, Sonu Sahni
Background Despite advances in resuscitation science and public health, out-of-hospital cardiac arrest (OOHCA) has an average survival rate of only 12% nationwide, compared to 24.8% of patients who suffer from cardiac arrest while in hospital. Additionally, gender is an important element of human health, and there is a clear pattern for gender-specific survivability in cardiac arrest. This study examined differences in presentations, treatment, management, and outcomes. Aim The primary focus of this study was to shed light on differences in presentations, treatments, and outcomes between men and women suffering from an out-of-hospital cardiac arrest and the accompanying contributing factors...
August 30, 2018: Curēus
https://www.readbyqxmd.com/read/30410698/percutaneous-carillon-mitral-contour-system-deployment-followed-by-crt-d-implantation-first-case-report-from-oman
#5
Ahmed Mohamed El Said, David Chase, Najib Zahran Al Rawahy
Mitral valve regurgitation (MR) is a common problem in patients with cardiac issues especially those with dilated cardiomyopathy (DCM) due to mitral annular dilatation and malcoaptation of the mitral valve leaflets. Although DCM is associated with high mortality rates, there has been no global agreement about the best method of treatment. Treatment of MR in such cases can be done by surgery, which has many limitations due to high-risk concerns. MR may also be managed by other alternatives such as mitral-clip and transcoronary venous mitral annuloplasty using the Carillon® Mitral Contour System®...
November 2018: Oman Medical Journal
https://www.readbyqxmd.com/read/30407959/using-an-immersive-virtual-reality-system-to-assess-lay-provider-response-to-an-unannounced-simulated-sudden-cardiac-arrest-in-the-out-of-hospital-setting
#6
Marion Leary, Alfredo Almodovar, David G Buckler, Abhishek Bhardwaj, Audrey L Blewer, Benjamin S Abella
BACKGROUND: A sudden cardiac arrest (SCA) occurs when the heart abruptly stops beating; because of the nature of SCA, capturing data in the out-of-hospital setting from actual bystander response is difficult. Current technologies such as virtual reality (VR) allow the creation of scenarios programmed for heightened realism. No studies have used an immersive VR system to observe lay bystander response. OBJECTIVE: We sought to characterize lay bystander response to an unannounced simulated VR SCA event during a multisensory scenario...
November 7, 2018: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/30407304/clinical-characteristics-and-thromboembolic-risk-of-atrial-fibrillation-patients-with-and-without-congestive-heart-failure-results-from-the-cratf-study
#7
Paweł Balsam, Monika Gawałko, Michał Peller, Agata Tymińska, Krzysztof Ozierański, Martyna Zaleska, Katarzyna Żukowska, Katarzyna Szepietowska, Kacper Maciejewski, Marcin Grabowski, Mariusz Borkowski, Łukasz Kołtowski, Anna Praska-Oginska, Inna Zaboyska, Grzegorz Opolski, Janusz Bednarski
Congestive heart failure (CHF) and atrial fibrillation (AF) frequently coexist and are associated with increased risk of cardiovascular events.To compare baseline characteristics, comorbidities and pharmacotherapy in AF patients with concomitant CHF to those without CHF.The study included 3506 real-life AF patients with (37.1%) and without CHF - participants of the multicentre, retrospective MultiCenter expeRience in AFib patients Treated with OAC (CRAFT) trial (NCT02987062).All patients were treated with non-vitamin K antagonist oral anticoagulants (NOAC) or vitamin K antagonists (VKA)...
November 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30406825/-leadless-endocardial-ultrasound-based-left-ventricular-stimulation-wise-crt-system-alternative-to-conventional-methods
#8
REVIEW
C Butter, S Fehrendt, V Möller, M Seifert
There are still several limitations in delivering cardiac resynchronisation therapy (CRT). After 6 months, 20-40% of patients fail to have clinical benefit due to various reasons. Endocardial stimulation rather than conventional epicardial pacing has been shown to be more physiological, improves electrical stimulation of the left ventricle (LV), has less dispersion of electrical activity and results in better resynchronisation. The WiSE™ CRT System ("Wireless stimulation endocardial system"; EBR Systems, Sunnyvale, CA, USA) provides an option for wireless, LV endocardial pacing triggered by a conventional right ventricular pacing spike from a co-implant...
November 8, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/30404725/cardiovascular-magnetic-resonance-imaging-pattern-in-patients-with-autoimmune-rheumatic-diseases-and-ventricular-tachycardia-with-preserved-ejection-fraction
#9
Sophie I Mavrogeni, Petros P Sfikakis, George Markousis-Mavrogenis, Vasiliki-Kalliopi Bournia, George Poulos, Loukia Koutsogeorgopoulou, Georgia Karabela, Efthymios Stavropoulos, Gikas Katsifis, Kyriaki Boki, Vasiliki Vartela, Genovefa Kolovou, George Theodorakis, George D Kitas
BACKGROUND: Ventricular tachycardia/fibrillation (VT/VF) may occur in autoimmune rheumatic diseases (ARDs). We hypothesized that cardiovascular magnetic resonance (CMR) can identify arrhythmogenic substrates in ARD patients. PATIENTS - METHODS: Using a 1.5 T system, we evaluated 61 consecutive patients with various types of ARDs and normal left ventricular ejection fraction (LVEF) on echocardiography. A comparison of patients with recent VT/VF and those that never experienced VT/VF was performed...
October 25, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/30403391/sudden-cardiac-arrest-in-patients-without-overt-heart-disease-limited-value-of-next-generation-sequencing
#10
Małgorzata Stępień-Wojno, Joanna Ponińska, Małgorzata Rydzanicz, Maria Bilińska, Grażyna Truszkowska, Rafał Baranowski, Anna Lutyńska, Elżbieta K Biernacka, Janina Stępińska, Ilona Kowalik, Rafał Płoski, Zofia T Bilińska
Introduction Unexplained Sudden Cardiac Arrest (USCA), unrelated to coronary or structural heart disease, occurs in up to 10% of the patients and is often attributed to an inherited arrhythmia syndrome. Family screening and genetic testing may be helpful in clarifying the cause of the USCA. Objectives To assess usefulness of clinical evaluation and genetic testing in patients after USCA and in their families. Patients and methods In the years 2014-2017, we studied 44 unrelated patients after USCA and 96 of their relatives...
November 7, 2018: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/30402296/electromagnetic-interference-from-left-ventricular-assist-device-lvad-inhibiting-the-pacing-function-of-an-implantable-cardioverter-defibrillator-icd-device
#11
Sebhat Erqou, Robert L Kormos, Norman C Wang, Dennis M McNamara, Raveen Bazaz
There is an increasing prevalence of patients with concomitant implantable cardioverter-defibrillators (ICDs) and left ventricular devices (LVADs). The potential for negative interactions between these continually evolving technologies is a valid concern. Previously reported interactions include inappropriate ICD therapy and interference with ICD telemetry function. Understanding the nature of such interactions and developing a comprehensive strategy to approach such situations are important. In this report, we describe a case of electromagnetic interference from LVAD inhibiting the pacing function of an ICD that was corrected by reprograming the device...
2018: Case Reports in Cardiology
https://www.readbyqxmd.com/read/30402259/mapping-the-potential-of-community-first-responders-to-increase-cardiac-arrest-survival
#12
Tomás Barry, Ainhoa González, Niall Conroy, Paddy Watters, Siobhán Masterson, Jan Rigby, Gerard Bury
Objective: Resuscitation from out-of-hospital cardiac arrest (OHCA) is largely determined by the availability of cardiopulmonary resuscitation (CPR) and defibrillation within 5-10 min of collapse. The potential contribution of organised groups of volunteers to delivery of CPR and defibrillation in their communities has been little studied. Ireland has extensive networks of such volunteers; this study develops and tests a model to examine the potential impact at national level of these networks on early delivery of care...
2018: Open Heart
https://www.readbyqxmd.com/read/30399474/rationale-and-design-of-the-randomized-prospective-atlas-study-avoid-transvenous-leads-in-appropriate-subjects
#13
Blandine Mondésert, Jamil Bashir, François Philippon, Marc Dubuc, Guy Amit, Derek Exner, Jacqueline Joza, David H Birnie, Chris Lane, Bernice Tsang, Victoria Korley, Danna Spears, Andrea Ling, Angie Djuric, Eugene Crystal, Tom Hruczkowski, Jean-François Roux, Sandra Carroll, Vidal Essebag, Andrew D Krahn, Jeff S Healey
BACKGROUND: The defibrillator lead is the weakest part of the transvenous (TV) implantable cardioverter defibrillation (ICD) system and a frequent cause of morbidity. Lead dislodgement, cardiac perforation, insertion-related trauma including pneumothorax and vascular injury, are common early complications of TV-ICD implantation. Venous occlusion, tricuspid valve dysfunction, lead fracture and lead insulation failure are additional, later complications. The introduction of a totally sub-cutaneous ICD (S-ICD) may reduce these lead-related issues, patient morbidity, hospitalizations and costs...
October 9, 2018: American Heart Journal
https://www.readbyqxmd.com/read/30396579/cardiac-and-vascular-injuries-sustained-during-transvenous-lead-extraction
#14
REVIEW
Jamil Bashir, Roger G Carrillo
The rise in indications for cardiac implantable electronic devices has necessitated the development of tools for removal of the electrodes that connect the heart to these externally located pacemakers and defibrillators. After implant of a cardiac electrode, variable but progressive fibrous adhesion occurs. Removal of these adhesions can cause devastating complications with high risk of mortality if not treated surgically in a highly expeditious and appropriate manner. This article describes the incidence, risk factors, and diagnosis of these injuries followed by discussion of recent evidence for use of superior vena cava balloon occlusion, and conventional surgical repair of these injuries...
December 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/30396573/monitoring-for-and-diagnosis-of-lead-dysfunction
#15
REVIEW
Sandeep G Nair, Charles D Swerdlow
The predominant structural mechanisms of transvenous lead dysfunction (LD) are conductor fracture and insulation breach. LD typically presents as an abnormality of electrical performance; the earliest sign usually is either oversensing or out-of-range pacing or shock impedance. Accurate diagnosis of LD requires discriminating patterns of oversensing and impedance trends that are characteristic of LD from similar patterns that occur in other conditions. Implantable cardioverter-defibrillators have advanced features to detect and mitigate the consequences of LD; these features operate both independently and in conjunction with remote monitoring networks...
December 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/30396572/vein-management-for-cardiac-device-implantation
#16
REVIEW
Ali Bak Al-Hadithi, Duc H Do, Noel G Boyle
Transvenous approaches for pacemaker and defibrillator lead insertion offer numerous advantages over epicardial techniques. Although the cephalic, axillary, and subclavian veins are most commonly used in clinical practice, they each offer their own set of advantages and disadvantages that leave their usage dependent on patient anatomy and physician preference. Alternative methods using the upper and lower venous circulation have been described when these veins are not available or practical for lead insertion...
December 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/30389905/brugada-syndrome-manifesting-only-during-fever-in-patient-with-septic-shock-secondary-to-post-obstructive-pneumonia
#17
Kristopher S Pfirman, Corey A White, Abiy Kelil, Hemant C Modi
BACKGROUND Brugada syndrome is a cardiac disorder associated with sudden death due to sodium channelopathy, most commonly the SCN5a mutation. There are 3 different patterns of electrocardiogram (ECG) changes characterized as type I, II, and III. ECG patterns consist of variations of incomplete RBBB and ST elevation in anterior precordial leads only. Treatment, if warranted, consists of implantable cardioverter-defibrillator. CASE REPORT A 63-year-old male presented with abdominal pain for 4 days that was persistent, and after further imaging, he was found to have hepatic metastases from a stage IV small cell carcinoma of the lung...
November 3, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/30389442/competitive-athletes-with-implantable-cardioverter-defibrillators-how-to-program-data-from-the-implantable-cardioverter-defibrillator-sports-registry
#18
Brian Olshansky, Gourg Atteya, David Cannom, Hein Heidbuchel, Elizabeth Saarel, Ole-Gunnar Anfinsen, Alan Cheng, Michael R Gold, Andreas Müssigbrodt, Kristen K Patton, Leslie Saxon, Bruce Wilkoff, Rik Willems, James Dziura, Fangyong Li, Cynthia Brandt, Laura Simone, Wilhelm Matthias, Rachel Lampert
BACKGROUND: Athletes with ICDs may require unique optimal device-based tachycardia programming. OBJECTIVE: To assess the association of tachycardia programming characteristics of ICDs with occurrence of shocks, transient loss-of-consciousness, and death among athletes. METHODS: A sub-analysis of a prospective, observational, international registry of 440 athletes with ICDs followed 44 months (median) was performed. Programming characteristics were divided into groups for rate cut-off, very high, high, and low and for detection, long-detection intervals (>nominal) or nominal...
October 30, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/30389367/current-device-therapies-for-sudden-cardiac-death-prevention-the-icd-subcutaneous-icd-and-wearable-icd
#19
REVIEW
David Chieng, Vince Paul, Russell Denman
Defibrillator technology for sudden cardiac death (SCD) prevention now includes the transvenous implantable cardiac defibrillator (ICD), subcutaneous ICD (S-ICD) and wearable cardioverter defibrillator (WCD). ICD use improves survival in patients who survived previous sudden cardiac arrest (SCA) due to ventricular tachycardia (VT)/ventricular fibrillation (VF), as well as in patients who experienced haemodynamically significant VT. It is also currently indicated for primary prevention in ischaemic/non-ischaemic cardiomyopathies, certain congenital heart disease conditions and inherited channelopathies...
October 11, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/30388218/successful-implantation-of-subcutaneous-implantable-cardioverter-defibrillator-in-a-patient-with-severe-pectus-excavatum
#20
Evangelia Karvouni, Theodoros Zografos, Joachim Winter, Demosthenes Katritsis
No abstract text is available yet for this article.
November 1, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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