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https://www.readbyqxmd.com/read/29222869/new-generation-cardioverter-defibrillator-lead-with-a-floating-atrial-sensing-dipole-long-term-performance
#1
Erdal Safak, Giuseppe D Ancona, Hilmi Kaplan, Evren Caglayan, Stephan Kische, Alper Öner, Hüseyin Ince, Jasmin Ortak
OBJECTIVES: Study aim is to present the long-term performance of a new generation implantable cardioverter defibrillator (ICD) electrode with floating atrial dipole (Linox S DX, Biotronik). BACKGROUND: The single ICD electrode with a floating dipole in the atrial chamber was introduced about 15 years ago to overcome risk of inappropriate shock. METHODS: After implant, internal ECG data were prospectively collected via tele-monitoring (Home Monitoring, Biotronik)...
December 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29162159/pulsed-electron-avalanche-knife-peak-plasmablade%C3%A2-in-pacemaker-and-defibrillator-procedures
#2
Elif Kaya, Matthias Totzeck, Tienush Rassaf
BACKGROUND: The pulsed electron avalanche knife (PEAK) PlasmaBlade™ is an innovative electrosurgical device that uses a novel technology to cut tissues. It has been proven to be safe and feasible in ear, nose, and throat surgery, but there are only limited data concerning the use of PlasmaBlade™ instead of conventional electrocautery in cardiac implantable electronic device (CIED) procedures except for generator replacements. METHODS: We conducted a retrospective, single-center study with patients undergoing CIED surgery at our center between December 2015 and March 2017 and evaluate the feasibility and the clinical outcome of the PlasmaBlade™...
November 21, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/29146276/perioperative-management-of-oral-anticoagulation-in-patients-undergoing-implantation-of-subcutaneous-implantatble-defibrillator
#3
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 for subcutaneous implantable cardioverter defibrillator (S-ICD) is still evolving. OBJECTIVE: 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 during 10/2012 to 6/2017. The most common indication for the implantation was primary prevention of sudden cardiac death...
November 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29122811/comparison-of-inappropriate-shocks-and-other-health-outcomes-between-single-and-dual-chamber-implantable-cardioverter-defibrillators-for-primary-prevention-of-sudden-cardiac-death-results-from-the-cardiovascular-research-network-longitudinal-study-of-implantable
#4
Pamela N Peterson, Robert T Greenlee, Alan S Go, David J Magid, Andrea Cassidy-Bushrow, Romel Garcia-Montilla, Karen A Glenn, Jerry H Gurwitz, Stephen C Hammill, John Hayes, Alan Kadish, Kristi Reynolds, Param Sharma, David H Smith, Paul D Varosy, Humberto Vidaillet, Chan X Zeng, Sharon-Lise T Normand, Frederick A Masoudi
BACKGROUND: In US clinical practice, many patients who undergo placement of an implantable cardioverter-defibrillator (ICD) for primary prevention of sudden cardiac death receive dual-chamber devices. The superiority of dual-chamber over single-chamber devices in reducing the risk of inappropriate ICD shocks in clinical practice has not been established. The objective of this study was to compare risk of adverse outcomes, including inappropriate shocks, between single- and dual-chamber ICDs for primary prevention...
November 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29111168/standardized-programming-to-reduce-the-burden-of-inappropriate-therapies-in-implantable-cardioverter-defibrillators-single-centre-follow-up-results
#5
U Boles, E Gul, L Fitzgerald, F Sadiq Ali, Christine Nolan, K Aldworth-Gaumond, D R Redfearn, A Baranchuk, B Glover, C Simpson, H Abdollah, K A Michael
BACKGROUND: Current algorithms and device morphology templates have been proposed in current Implantable Cardioverter-Defibrillators (ICDs) to minimize inappropriate therapies (ITS), but this has not been completely successful. AIM: Assess the impact of a deliberate strategy of using an atrial lead implant with standardized parameters; based on all current ICD discriminators and technologies, on the burden of ITS. METHOD: A retrospective single-centre analysis of 250 patients with either dual chamber (DR) ICDs or biventricular ICDs (CRTDs) over a (41...
October 27, 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29030379/right-ventricular-pacing-increases-risk-of-appropriate-implantable-cardioverter-defibrillator-shocks-asymmetrically-an-analysis-of-the-altitude-database
#6
Edmond M Cronin, Paul Jones, Milan C Seth, Niraj Varma
BACKGROUND: Right ventricular pacing (RVP) increases risk of atrial fibrillation in patients with implantable cardioverter-defibrillators (ICDs), but ventricular proarrhythmia is less clear. We analyzed a large remote monitoring database to assess this question. METHODS AND RESULTS: Patients with single- or dual-chamber ICDs, engaged in remote monitoring for at least 6 months and with unchanged tachycardia programming, were included. %RVP was derived for each weekly transmission...
October 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29028784/manufacturer-change-and-risk-of-system-related-complications-after-implantable-cardioverter-defibrillator-replacement-physicians-survey-and-data-from-the-detect-long-term-complications-after-implantable-cardioverter-defibrillator-replacement-registry
#7
Mauro Biffi, Endrj Menardi, Maria L Narducci, Ernesto Ammendola, Loredana Messano, Fabrizio Giofrè, Claudia Baiocchi, Davide Saporito, Fabio Lissoni, Matteo Bertini, Attilio Pierantozzi, Gianluca Zingarini, Maurizio Malacrida, Matteo Ziacchi
AIMS: Some barriers seem to exist in changing implantable cardioverter defibrillator (ICD) manufacturer at the time of device replacement. We sought to understand the obstacles to changing ICD manufacturer within the cohort of patients enrolled in the Detect Long-term Complications After ICD Replacement Registry. METHODS: We analyzed 784 consecutive ICD/cardiac resynchronization therapy defibrillator (CRT-D) device replacements within a 1.5-year time-frame in 36 Italian centers to evaluate potential factors associated with changing manufacturers and system-related complications...
December 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29021865/minimally-invasive-pericardial-implantable-cardioverter-defibrillator-placement-in-a-young-child
#8
Wakana Maki, Hiroko Asakai, Kazuhiro Shiraga, Takahiro Shindo, Yoichiro Hirata, Ryo Inuzuka, Yasutaka Hirata, Akira Oka
We report the successful minimally invasive placement of a pericardial implantable cardioverter-defibrillator (ICD) in a 16-kg child. A transvenous ICD dual coil was advanced through a small subxiphoid incision and screwed into the oblique sinus pericardium under fluoroscopic guidance. An additional sense-pace lead was sutured onto the right ventricular apex, and the generator was placed in the upper abdominal wall through the same incision. Threshold testing demonstrated successful defibrillation at 15 J...
October 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29016986/retained-pacemaker-and-implantable-cardioverter-defibrillator-components-after-heart-transplantation-are-common-and-may-lead-to-adverse-events
#9
Stephen J Pettit, Mateusz Orzalkiewicz, Muhammad A Nawaz, Clive Lewis, Jayan Parameshwar, Steven Tsui
Aims: Many patients have a cardiac implantable electronic device (CIED) extracted at the time of heart transplantation. CIED components may be retained after heart transplantation, but their frequency, nature, and clinical significance is uncertain. Methods and results: Consecutive patients that underwent heart transplantation over 10 years from 1 January 2007 until 1 January 2017 were identified from the unit database. Pre- and post-operative chest radiographs were reviewed by two independent observers for the presence of CIED components...
July 19, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28917495/complications-associated-with-implantable-cardioverter-defibrillators-in-adults-with-congenital-heart-disease-or-left-ventricular-noncompaction-cardiomyopathy-from-the-ncdr-%C3%A2-implantable-cardioverter-defibrillator-registry
#10
MULTICENTER STUDY
Marye J Gleva, Yongfei Wang, Jeptha P Curtis, Charles I Berul, Charles B Huddleston, Jeanne E Poole
Patients with childhood heart disease are living longer and entering adulthood, and may undergo implantable cardioverter-defibrillator (ICD) implantation to reduce the risk of sudden death. We evaluated the characteristics of adult patients with congenital heart disease or left ventricular noncompaction cardiomyopathy (LVNC) in the National Cardiovascular Disease Registry ICD Registry and determined ICD-related in-hospital complications. Patients with LVNC or transposition of the great arteries, tetralogy of Fallot, Ebstein's anomaly, atrial septal defect, ventricular septal defect, or common ventricle were identified in the registry...
November 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28912976/electromagnetic-interference-from-swimming-pool-generator-current-causing-inappropriate-icd-discharges
#11
Edward Samuel Roberto, Thein Tun Aung, Atif Hassan, Abdul Wase
Electromagnetic interference (EMI) includes any electromagnetic field signal that can be detected by device circuitry, with potentially serious consequences: incorrect sensing, pacing, device mode switching, and defibrillation. This is a unique case of extracardiac EMI by alternating current leakage from a submerged motor used to recycle chlorinated water, resulting in false rhythm detection and inappropriate ICD discharge. A 31-year-old female with arrhythmogenic right ventricular cardiomyopathy and Medtronic dual-chamber ICD placement presented after several inappropriate ICD shocks at the public swimming pool...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28901551/-train-tracks-and-step-ladders-on-implantable-cardioverter-defibrillator-interval-plot-in-a-patient-with-dual-tachycardia-putting-the-dots-together
#12
Aditya Saini, Kenneth A Ellenbogen, Alex Tan, Karoly Kaszala, Jose F Huizar
No abstract text is available yet for this article.
November 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28887360/initial-clinical-experience-with-a-new-automated-antitachycardia-pacing-algorithm-feasibility-and-safety-in-an-ambulatory-patient-cohort
#13
Raymond Yee, John D Fisher, Ulrika Birgersdotter-Green, Timothy W Smith, David N Kenigsberg, Robert Canby, Troy Jackson, Robert Taepke, Paul DeGroot
BACKGROUND: Antitachycardia pacing (ATP) in implantable cardioverter-defibrillators (ICD) decreases patient shock burden but has recognized limitations. A new automated ATP (AATP) based on electrophysiological first principles was designed. The study objective was to assess the feasibility and safety of AATP in ambulatory ICD patients. METHODS AND RESULTS: Enrolled patients had dual chamber or cardiac resynchronization therapy ICDs, history of ≥1 ICD-treated ventricular tachycardias (VT)/ventricular fibrillation episode, or a recorded, sustained monomorphic VT...
September 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28860874/can-machine-learning-complement-traditional-medical-device-surveillance-a-case-study-of-dual-chamber-implantable-cardioverter-defibrillators
#14
Joseph S Ross, Jonathan Bates, Craig S Parzynski, Joseph G Akar, Jeptha P Curtis, Nihar R Desai, James V Freeman, Ginger M Gamble, Richard Kuntz, Shu-Xia Li, Danica Marinac-Dabic, Frederick A Masoudi, Sharon-Lise T Normand, Isuru Ranasinghe, Richard E Shaw, Harlan M Krumholz
BACKGROUND: Machine learning methods may complement traditional analytic methods for medical device surveillance. METHODS AND RESULTS: Using data from the National Cardiovascular Data Registry for implantable cardioverter-defibrillators (ICDs) linked to Medicare administrative claims for longitudinal follow-up, we applied three statistical approaches to safety-signal detection for commonly used dual-chamber ICDs that used two propensity score (PS) models: one specified by subject-matter experts (PS-SME), and the other one by machine learning-based selection (PS-ML)...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28858113/extraction-of-a-dual-chamber-pacemaker-and-inserting-of-a-new-automatic-implantable-cardioverter-defibrillator-the-easy-procedure-almost-became-catastrophic-a-case-report
#15
Márcio Galindo Kiuchi, Guilherme Miglioli Lobato, Shaojie Chen
BACKGROUND: The cardiovascular illnesses are in the middle of the foremost reasons of death around the world. Deaths in Europe, from sudden cardiac death (SCD), reach nearby 700,000 individuals every year. In the United States, statistics point to the existence of nearly 1 million yearly deaths from cardiovascular sickness, of which 330,000 are the consequence of abrupt. The significance of automatic implantable cardioverter-defibrillator (ICD) has been proven in subjects with preceding myocardial infarction and stark systolic left ventricular dysfunction (secondary prevention)...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28842225/transvenous-lead-extraction-at-the-time-of-cardiac-implantable-electronic-device-upgrade-complexity-safety-and-outcomes
#16
Amr F Barakat, Oussama M Wazni, Khaldoun Tarakji, Walid I Saliba, Nayef Nimri, John Rickard, Michael Brunner, Mandeep Bhargava, Mohamed Kanj, Bryan Baranowski, David O Martin, Daniel Cantillon, Thomas Callahan, Thomas Dresing, Mark Niebauer, Mina Chung, Bruce D Lindsay, Bruce Wilkoff, Ayman A Hussein
BACKGROUND: The practice of lead abandonment at the time of cardiac implantable electronic device upgrade remains a controversial topic but is affecting an increasing number of patients. Inherent risks include high-risk extractions of redundant leads when extraction is required at a later date. OBJECTIVES: We aimed to report our experience with transvenous lead extraction (TLE) at the time of device upgrade. METHODS: All consecutive TLE procedures at the time of device upgrade at the Cleveland Clinic between 1996 and 2012 were included (n = 503)...
August 23, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28754393/totally-leadless-dual-device-implantation-for-combined-spontaneous-ventricular-tachycardia-defibrillation-and-pacemaker-function-a-first-report
#17
Fozia Zahir Ahmed, Colin Cunnington, Manish Motwani, Amir Masood Zaidi
Subcutaneous implantable cardioverter defibrillators (S-ICDs) provide effective defibrillation, while also reducing the risk of long-term lead problems. However, S-ICDs do not offer bradycardia or antitachycardia pacing and therefore use has been limited. Combined implantation of an S-ICD with a leadless pacemaker (LP) has been proposed to overcome this limitation. Although a handful of combined S-ICD/LP implantations have been reported for Nanostim (St Jude Medical, St Paul, MN) as well as Micra LP (Medtronic, Minneapolis, MN) systems, none have documented delivery of appropriate shock therapies for spontaneous ventricular tachycardia...
August 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28747313/long-term-complications-reoperations-and-survival-following-cardioverter-defibrillator-implant
#18
Nathaniel Mark Hawkins, Maja Grubisic, Jason G Andrade, Flora Huang, Lillian Ding, Min Gao, Jamil Bashir
OBJECTIVE: Implantable cardioverter-defibrillators (ICDs) reduce risk of death in select populations, but are also associated with harms. We aimed to characterise long-term complications and reoperation rate. METHODS: We assessed the rate, cumulative incidence and predictors of long-term reoperation and survival using a prospective, multicentre registry serving British Columbia in Canada, a universal single payer healthcare system with 4.5 million residents. 3410 patients (mean 63...
July 26, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28744959/predicting-appropriate-shocks-in-patients-with-heart-failure-patient-level-meta-analysis-from-scd-heft-and-madit-ii
#19
Emily P Zeitler, Sana M Al-Khatib, Daniel J Friedman, Joo Yoon Han, Jeanne E Poole, Gust H Bardy, J Thomas Bigger, Alfred E Buxton, Arthur J Moss, Kerry L Lee, Paul Dorian, Riccardo Cappato, Alan H Kadish, Peter J Kudenchuk, Daniel B Mark, Lurdes Y T Inoue, Gillian D Sanders
BACKGROUND: No precise tools exist to predict appropriate shocks in patients with a primary prevention ICD. We sought to identify characteristics predictive of appropriate shocks in patients with a primary prevention implantable cardioverter defibrillator (ICD). METHODS: Using patient-level data from the Multicenter Automatic Defibrillator Implantation Trial II (MADIT II) and the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT), we identified patients with any appropriate shock...
November 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28645472/bradycardia-syncope-and-left-ventricular-noncompaction-cardiomyopathy
#20
D Luke Glancy, Frederick R Helmcke, Allen P Hoang
A 55-year-old man with syncopal episodes was found to have sinus bradycardia at a rate of 37 beats/min, an episode of nonsustained ventricular tachycardia, and left ventricular noncompaction cardiomyopathy. After placement of a dual-chamber cardioverter defibrillator 4 years ago, he has had no further syncopal episodes, and there have been no defibrillator shocks.
August 15, 2017: American Journal of Cardiology
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