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https://www.readbyqxmd.com/read/28443966/miniaturized-transcatheter-leadless-pacemaker-in-a-patient-with-double-mechanical-prosthesis
#1
Marta Pachón, Alberto Puchol, Finn Akerström, Andrés Sánchez-Pérez, Miguel A Arias
No abstract text is available yet for this article.
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28439940/impact-of-operator-experience-and-training-strategy-on-procedural-outcomes-with-leadless-pacing-insights-from-the-micra-transcatheter-pacing-study
#2
Mikhael El Chami, Robert C Kowal, Kyoko Soejima, Philippe Ritter, Gabor Z Duray, Petr Neuzil, Lluis Mont, Alexander Kypta, Venkata Sagi, J Harrison Hudnall, Kurt Stromberg, Dwight Reynolds
BACKGROUND: Leadless pacemaker systems have been designed to avoid the need for a pocket and transvenous lead. However, delivery of this therapy requires a new catheter-based procedure. This study evaluates the role of operator experience and different training strategies on procedural outcomes. METHODS: A total of 726 patients underwent implant attempt with the Micra transcatheter pacing system (TPS) by 94 operators trained in a teaching laboratory using a simulator, cadaver, and large animal models (lab training) or locally at the hospital with simulator/demo model and proctorship (hospital training)...
April 24, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28419218/radiotherapy-in-a-leadless-pacemaker
#3
José Luis Martínez-Sande, Javier García-Seara, Moisés Rodríguez-Mañero
No abstract text is available yet for this article.
April 16, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28401869/leadless-pacemaker-implantation-in-a-patient-with-complex-congenital-heart-disease-and-limited-vascular-access
#4
Paolo Ferrero, Michael Yeong, Emilia D'Elia, Edward Duncan, Alan Graham Stuart
Management of rhythm related issues might be particularly challenging in patients with congenital heart disease due to complex anatomy and restricted vascular access. The leadless technology appears a suitable and attractive alternative for this population. We describe a patient with single ventricle physiology who successfully underwent implantation of a leadless pacemaker.
November 2016: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/28396380/permanent-leadless-cardiac-pacemaker-therapy-a-comprehensive-review
#5
REVIEW
Fleur V Y Tjong, Vivek Y Reddy
A new technology, leadless pacemaker therapy, was recently introduced clinically to address lead- and pocket-related complications in conventional transvenous pacemaker therapy. These leadless devices are self-contained right ventricular single-chamber pacemakers implanted by using a femoral percutaneous approach. In this review of available clinical data on leadless pacemakers, early results with leadless devices are compared with historical results with conventional single-chamber pacing. Both presently manufactured leadless pacemakers show similar complications, which are mostly related to the implant procedure: cardiac perforation, device dislocation, and femoral vascular access site complications...
April 11, 2017: Circulation
https://www.readbyqxmd.com/read/28377192/sudden-cardiac-death-new-approaches-for-implantable-cardioverter-defibrillators-icds
#6
Riccardo Cappato, Hussam Ali
The implantable cardioverter-defibrillator (ICD) has shown its superiority to anti-arrhythmic drugs in the prevention of sudden cardiac death. However, the conventional transvenous ICDs are still associated with substantial risks and comorbidities mainly related to the transvenous leads. The recent advent of an entirely sub-cutaneous ICD (S-ICD) represents an important progress in the defibrillation technology towards a less invasive approach. Clinical data are growing regarding the safety and efficacy of S-ICD in prevention of sudden cardiac death in selected patients without pacing indications...
March 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28365650/advancements-in-pacemaker-technology-the-leadless-device
#7
Mary Leier
Leadless pacemakers will most likely be the future of cardiac pacing. Leadless pacing employs a single-chamber system to pace only the right ventricle and is fully self-contained, which eliminates the need for leads. These systems, implanted by using a transcatheter sheath, are indicated for patients who need right ventricular pacing only. These devices enable patients to avoid lead-related complications, from lead fracture to extraction challenges, as well as pocket-related complications such as infection and disfigurement...
April 2017: Critical Care Nurse
https://www.readbyqxmd.com/read/28295442/cremation-of-leadless-pacemaker
#8
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/28213895/safety-of-implantation-of-a-leadless-pacemaker-via-femoral-approach-in-the-presence-of-an-inferior-vena-cava-filter
#9
Muhammad R Afzal, Janice Ackers, John D Hummel, Ralph Augostini
A 61-year-old woman with symptomatic complete heart block was referred for permanent pacemaker. The presence of a left-sided arteriovenous fistula and right-sided mastectomy with lymph node dissection precluded the implantation of a transvenous pacemaker, and therefore, a leadless pacemaker was recommended. The patient also had an inferior vena cava (IVC) filter. The passage of a 27-French introducer sheath housing the leadless pacemaker through IVC filter was carefully visualized under fluoroscopy and advanced to the right ventricle without any compromise to the filter...
February 17, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28192209/a-new-alara-keeping-leadless-pacing-thresholds-as-low-as-reasonably-achievable
#10
EDITORIAL
Joseph E Marine
No abstract text is available yet for this article.
May 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28192207/long-term-performance-of-a-transcatheter-pacing-system-12-month-results-from-the-micra-transcatheter-pacing-study
#11
Gabor Z Duray, Philippe Ritter, Mikhael El-Chami, Calambur Narasimhan, Razali Omar, Jose M Tolosana, Shu Zhang, Kyoko Soejima, Clemens Steinwender, Leonardo Rapallini, Aida Cicic, Dedra H Fagan, Shufeng Liu, Dwight Reynolds
BACKGROUND: Early performance of the Micra transcatheter pacemaker from the global clinical trial reported a 99.2% implant success rate, low and stable pacing capture thresholds, and a low (4.0%) rate of major complications up to 6 months. OBJECTIVE: The purpose of this report was to describe the prespecified long-term safety objective of Micra at 12 months and electrical performance through 24 months. METHODS: The Micra Transcatheter Pacing Study was a prospective single-arm study designed to assess the safety and efficacy of the Micra VVIR leadless/intracardiac pacemaker...
May 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28188515/direct-electrical-shock-on-a-leadless-pacemaker
#12
Sandrine Venier, Peggy Jacon, Pascal Defaye
No abstract text is available yet for this article.
February 10, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28165125/three-tesla-cardiac-magnetic-resonance-imaging-in-a-patient-with-a-leadless-cardiac-pacemaker-system
#13
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
#14
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/28117279/first-percutaneous-micra-leadless-pacemaker-implantation-and-tricuspid-valve-repair-with-mitraclip-nt-for-lead-associated-severe-tricuspid-regurgitation
#15
Gilbert H L Tang, Ryan Kaple, Martin Cohen, Tanya Dutta, Cenap Undemir, Hasan Ahmad, Angelica Poniros, Joanne Bennett, Cheng Feng, Steven Lansman
AIMS: Pacemaker lead-associated severe tricuspid regurgitation (TR) can lead to right heart failure and poor prognosis. Surgery in these patients carries significant morbidities. We describe a successful treatment of symptomatic severe TR by leadless pacemaker implantation followed by tricuspid valve (TV) repair with the MitraClip NT. METHODS AND RESULTS: A 71-year-old frail female with poor functional status, chronic atrial fibrillation and permanent pacemaker implantation in 2012 presented with symptomatic moderate-severe mitral regurgitation (MR) and severe TR with the pacemaker lead as the culprit...
February 3, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28111349/long-term-outcomes-in-leadless-micra-transcatheter-pacemakers-with-elevated-thresholds-at-implantation-results-from-the-micra-transcatheter-pacing-system-global-clinical-trial
#16
Jonathan P Piccini, Kurt Stromberg, Kevin P Jackson, Verla Laager, Gabor Z Duray, Mikhael El-Chami, Christopher R Ellis, John Hummel, D Randy Jones, Robert C Kowal, Calambur Narasimhan, Razali Omar, Philippe Ritter, Paul R Roberts, Kyoko Soejima, Shu Zhang, Dwight Reynolds
BACKGROUND: Device repositioning during Micra leadless pacemaker implantation may be required to achieve optimal pacing thresholds. OBJECTIVE: The purpose of this study was to describe the natural history of acute elevated Micra vs traditional transvenous lead thresholds. METHODS: Micra study VVI patients with threshold data (at 0.24 ms) at implant (n = 711) were compared with Capture study patients with de novo transvenous leads at 0.4 ms (n = 538)...
May 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28089328/usefulness-of-three-dimensional-transthoracic-echocardiograhy-in-the-localization-of-the-micra-leadless-pacemaker
#17
José Luis Martínez-Sande, Carlos Peña-Gil, Javier García-Seara, Moisés Rodríguez-Mañero, María Amparo Martínez-Monzonis, José Ramón González-Juanatey
No abstract text is available yet for this article.
January 11, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28040461/the-micra-leadless-transcatheter-pacemaker-implantation-and-mid-term-follow-up-results-in-a-single-center
#18
José Luis Martínez-Sande, Javier García-Seara, Moisés Rodríguez-Mañero, Xesús Alberte Fernández-López, Laila González-Melchor, Alfredo Redondo-Diéguez, Rocío González-Ferreiro, José Ramón González-Juanatey
INTRODUCTION AND OBJECTIVES: Currently, studies on the leadless pacemaker (Micra) have mostly been limited to clinical trials with less than 6 months' follow-up and they often fail to reflect real population outcomes. We sought to evaluate electrical parameters at implantation and chronologically during follow-up, as well as the safety of this new technique. METHODS: This prospective, observational study included 30 consecutive patients, all ≥ 65 years, with an indication for single-chamber pacemaker implantation...
December 28, 2016: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28011844/the-visible-heart%C3%A2-project-and-free-access-website-atlas-of-human-cardiac-anatomy
#19
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
#20
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
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