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Leadless cardiac pacemaker

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https://www.readbyqxmd.com/read/28295442/cremation-of-leadless-pacemaker
#1
Lily Cheung, Gary C P Chan, Joseph Y S Chan, Chu-Pak Lau
Cremation of implanted cardiac electronic devices can be associated with explosion from rapid gas formation causing potential hazard to the crematoria staffs and facilities. We present four patients who had undergone cremation with a leadless pacemaker (Micra(TM) , Medtronic Inc., MN) left inside their bodies. There was neither reported explosion nor damage to the cremation chamber during the cremation process. In this small series, cremation of Micra(TM) is not associated with noticeable explosion. This article is protected by copyright...
March 11, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28165125/three-tesla-cardiac-magnetic-resonance-imaging-in-a-patient-with-a-leadless-cardiac-pacemaker-system
#2
Alexander Kypta, Hermann Blessberger, Daniel Kiblboeck, Clemens Steinwender
No abstract text is available yet for this article.
February 6, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28148576/lead-or-be-led-an-update-on-leadless-cardiac-devices-for-general-physicians
#3
Benedict M Wiles, Paul R Roberts
Implantable cardiac devices have an increasingly important role. Pacemakers remain the only effective treatment for symptomatic bradycardia; cardiac resynchronisation therapy is a proven treatment for heart failure; and implantable cardioverter defibrillators (ICD) are superior to medical therapy in prevention of sudden cardiac death. Our ageing population has led to a rising number of device implants. Physicians in all specialties increasingly encounter patients with cardiac devices and require an understanding of their capabilities and functions...
February 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28011844/the-visible-heart%C3%A2-project-and-free-access-website-atlas-of-human-cardiac-anatomy
#4
Paul A Iaizzo
AIMS: Pre- and post-evaluations of implantable cardiac devices require innovative and critical testing in all phases of the design process. The Visible Heart(®) Project was successfully launched in 1997 and 3 years later the Atlas of Human Cardiac Anatomy website was online. The Visible Heart(®) methodologies and Atlas website can be used to better understand human cardiac anatomy, disease states and/or to improve cardiac device design throughout the development process. METHODS AND RESULTS: To date, Visible(®) Heart methodologies have been used to reanimate 75 human hearts, all considered non-viable for transplantation...
December 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27932427/retrieval-of-the-leadless-cardiac-pacemaker-a-multicenter-experience
#5
Vivek Y Reddy, Marc A Miller, Reinoud E Knops, Petr Neuzil, Pascal Defaye, Werner Jung, Rahul Doshi, Mark Castellani, Adam Strickberger, R Hardwin Mead, Harish Doppalapudi, Dhanunjaya Lakkireddy, Matthew Bennett, Johannes Sperzel
BACKGROUND: Leadless cardiac pacemakers have emerged as a safe and effective alternative to conventional transvenous single-chamber ventricular pacemakers. Herein, we report a multicenter experience on the feasibility and safety of acute retrieval (<6 weeks) and chronic retrieval (>6 weeks) of the leadless cardiac pacemaker in humans. METHODS AND RESULTS: This study included patients enrolled in 3 multicenter trials, who received a leadless cardiac pacemaker implant and who subsequently underwent a device removal attempt...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27925339/incidence-of-cardiac-perforation-with-conventional-and-with-leadless-pacemaker-systems-a-systematic-review-and-meta-analysis
#6
Mate Vamos, Julia W Erath, Alexander P Benz, Zsolt Bari, Gabor Z Duray, Stefan H Hohnloser
INTRODUCTION: Two leadless pacemaker (PM) systems were recently developed to avoid pocket- and lead-related complications. As leadless PMs are implanted with a large delivery catheter, cardiac perforation remains a major safety concern. We aimed to provide a literature review on incidence of cardiac perforation with conventional and with leadless PM systems. METHODS AND RESULTS: A systematic review over the last 25 years for studies reporting data on PM lead perforation was performed...
December 7, 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27889044/leadless-pacemakers
#7
REVIEW
Mikhael F El-Chami, Faisal M Merchant, Angel R Leon
Leadless pacing is an emerging technology with the potential to significantly improve outcomes associated with the need for long-term pacing. Specifically, the major advantage of leadless systems is abolishing the need for transvenous leads and subcutaneous pockets, both of which account for most adverse events associated with traditional pacemakers. Two leadless pacemakers are currently available: the Nanostim (leadless cardiac pacemaker [LCP]) device (St. Jude Medical, Sylmar, California) and the Micra Transcatheter pacing system (Medtronic, Minneapolis, Minnesota)...
January 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/27861115/leadless-cardiac-pacing-what-primary-care-providers-and-non-ep-cardiologists-should-know
#8
REVIEW
Erich L Kiehl, Daniel J Cantillon
Over the last 50 years, the use of transvenous pacemakers has been constrained by long-term complications that affect more than 1 in 10 patients, largely attributable to the endovascular leads and surgical pocket. Leadless cardiac pacing involves a self-contained pacemaker deployed directly into the heart without a lead or incisional access. The procedure has shown promise, eliminating pocket-related complications. Other advantages include postprocedural shoulder mobility and the ability to drive, shower, and bathe...
November 2016: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/27855290/transcatheter-leadless-cardiac-pacing-the-new-alternative-solution
#9
Antoine Da Costa, Amandine Axiotis, Cécile Romeyer-Bouchard, Loucif Abdellaoui, Zahi Afif, Jean Baptiste Guichard, Antoine Gerbay, Karl Isaaz
INTRODUCTION: A lack of information about the feasibility and safety of leadless pacemaker (LPMs) exists in a fragile population of patients with limited venous anatomy access or conventional pacemaker (PM) contraindication. Accordingly, the goal of this prospective observational study was to report our experience with this new leadless technology in a subset of patients with contraindication or limited venous access. METHODS AND RESULTS: Between May 2015 and July 2016, 14 patients were consecutively included...
January 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27849261/leadless-pacemaker-a-new-concept-in-cardiac-pacing
#10
Nicodemus Lopes, Diogo Cavaco, Pedro Carmo, Maurício Ibrahim Scanavacca, Pedro Adragão
No abstract text is available yet for this article.
October 2016: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/27799257/defibrillators-selecting-the-right-device-for-the-right-patient
#11
Sana M Al-Khatib, Paul Friedman, Kenneth A Ellenbogen
Advances in the field of defibrillation have brought to practice different types of devices that include the transvenous implantable cardioverter-defibrillator (ICD) with or without cardiac resynchronization therapy, the subcutaneous ICD (S-ICD), and the wearable cardioverter-defibrillator. To ensure optimal use of these devices and to achieve best patient outcomes, clinicians need to understand how these devices work, learn the characteristics of patients who qualify them for one type of device versus another, and recognize the remaining gaps in knowledge surrounding these devices...
November 1, 2016: Circulation
https://www.readbyqxmd.com/read/27660571/pacing-without-wires-leadless-cardiac-pacing
#12
REVIEW
Michael L Bernard
BACKGROUND: Worldwide, more than 700,000 pacemakers are implanted annually with more than 250,000 implanted in the United States. Since the first fully transvenous pacemaker implantations in the early 1960s, great technologic advances have been made in pacing systems. However, the combination of subcutaneous pulse generators and transvenous pacing leads has remained constant for more than 50 years. Leadless pacing systems offer an alternative to traditional pacing systems by eliminating the need for permanent transvenous leads while providing therapy for patients with bradyarrhythmias...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27588153/new-horizon-for-infection-prevention-technology-and-implantable-device
#13
REVIEW
Yusuke Kondo, Marehiko Ueda, Yoshio Kobayashi, Joerg O Schwab
There has been a significant increase in the number of patients receiving cardiovascular implantable electronic devices (CIED) over the last two decades. CIED infection represents a serious complication after CIED implantation and is associated with significant morbidity and mortality. Recently, newly advanced technologies have offered attractive and suitable therapeutic alternatives. Notably, the leadless pacemaker and anti-bacterial envelope decrease the potential risk of CIED infection and the resulting mortality, when it does occur...
August 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27577107/cardiac-resynchronization-therapy-results-challenges-and-perspectives-for-the-future
#14
Marcus Ståhlberg, Frieder Braunschweig, Fredrik Gadler, Lars Mortensen, Lars H Lund, Cecilia Linde
Heart failure (HF) is considered as an epidemic and affects 2% of the population in the Western world. About 15-30% of patients with HF and reduced ejection fraction (HFrEF) also have prolonged QRS duration on the surface ECG, most commonly as a result of left-bundle branch block (LBBB). Increased QRS duration is a marker of a dyssynchronous activation, and subsequent contraction, pattern in the left ventricle (LV). When dyssynchrony is superimposed on the failing heart it further reduced systolic function and ultimately worsens outcome...
October 2016: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/27537740/leadless-cardiac-pacemaker-implant-in-a-patient-with-two-deep-brain-stimulators-a-peaceful-cohabitation-beyond-prejudices
#15
Maria Grazia Bongiorni, Giulio Zucchelli, Giovanni Coluccia, Ezio Soldati, Valentina Barletta, Luca Paperini, Francesca Menichetti, Andrea Di Cori, Luca Segreti, Eleonora Del Prete, Roberto Ceravolo
No abstract text is available yet for this article.
November 15, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27374239/safety-evaluation-of-a-leadless-transcatheter-pacemaker-for-magnetic-resonance-imaging-use
#16
Kyoko Soejima, Jonathan Edmonson, Michael L Ellingson, Ben Herberg, Craig Wiklund, Jing Zhao
BACKGROUND: Increased magnetic resonance imaging (MRI) adoption and demand are driving the need for device patients to have safe access to MRI. OBJECTIVE: The aim of this study was to address the interactions of MRI with the Micra transcatheter pacemaker system. METHODS: A strategy was developed to evaluate potential MRI risks including device heating, unintended cardiac stimulation, force, torque, vibration, and device malfunction. Assessment of MRI-induced device heating was conducted using a phantom containing gelled saline, and Monte Carlo simulations incorporating these results were conducted to simulate numerous combinations of human body models, position locations in the MRI scanner bore, and a variety of coil designs...
October 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/27351174/congenital-and-childhood-atrioventricular-blocks-pathophysiology-and-contemporary-management
#17
REVIEW
Alban-Elouen Baruteau, Robert H Pass, Jean-Benoit Thambo, Albin Behaghel, Solène Le Pennec, Elodie Perdreau, Nicolas Combes, Leonardo Liberman, Christopher J McLeod
UNLABELLED: Atrioventricular block is classified as congenital if diagnosed in utero, at birth, or within the first month of life. The pathophysiological process is believed to be due to immune-mediated injury of the conduction system, which occurs as a result of transplacental passage of maternal anti-SSA/Ro-SSB/La antibodies. Childhood atrioventricular block is therefore diagnosed between the first month and the 18th year of life. Genetic variants in multiple genes have been described to date in the pathogenesis of inherited progressive cardiac conduction disorders...
September 2016: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27296508/leadless-cardiac-pacemaker-implantation-after-lead-extraction-in-patients-with-severe-device-infection
#18
Alexander Kypta, Hermann Blessberger, Juergen Kammler, Thomas Lambert, Michael Lichtenauer, Walter Brandstaetter, Michael Gabriel, Clemens Steinwender
BACKGROUND: Conventional pacemaker therapy is limited by short- and long-term complications, most notably device infection. Transcatheter pacing systems (TPS) may be beneficial in this kind of patients as they eliminate the need for a device pocket and leads and thus may reduce the risk of re-infection. METHODS: We assessed a novel procedure in 6 patients with severe device infection who were pacemaker dependent. After lead extraction a single chamber TPS was implanted into the right ventricle...
September 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27220535/transcatheter-leadless-cardiac-pacing-in-renal-failure-with-limited-venous-access
#19
Chu-Pak Lau, Kathy Lai-Fun Lee
Entirely leadless cardiac pacemakers that are delivered transvenously required the use of large-diameter delivery sheath and femoral venous approach. The complexity of external femoral and iliac venous anatomy may limit their implantation. We describe a hemodialysis patient without subclavian venous access and a conventional pacemaker with a failed right ventricular lead, who had difficult iliac venous anatomy that was also compressed by an external endovascular abdominal aortic stent. Successful leadless pacing using a Micra™ (Medtronic Inc...
November 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27078248/-percutaneous-implantable-transcatheter-pacemaker
#20
REVIEW
Christian Meyer, Christiane Jungen, Nils Gosau, Boris Hoffmann, Christian Eickholt, Stephan Willems
Electrical cardiac pacing today is the standard therapy for symptomatic bradycardia. Importantly, despite technical advantages, complications associated with conventional transvenous pacing leads and pockets are still challenging in a relevant number of patients. Beyond cosmetic benefits, miniaturized leadless pacemaker may partly overcome these limitations and beneficially influence implantation-related physical restrictions. Initial findings with single-chamber pacemakers for right ventricular pacing, which are completely implanted via a femoral venous vascular access, are promizing...
April 2016: Deutsche Medizinische Wochenschrift
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