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Leadless pacing

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https://www.readbyqxmd.com/read/29761338/-journey-of-the-s%C3%A2-icd-to-first-line-therapy
#1
REVIEW
Elif Kaya, Reza Wakili, Tienush Rassaf
The subcutaneous implantable cardioverter-defibrillator (S-ICD®, Boston Scientific, Marlborough, MA, USA, previously Cameron Health, San Clemente, CA, USA) represents an important milestone in ICD therapy for prevention of sudden cardiac death (SCD). Since the introduction of the S‑ICD in 2010, the device has undergone further development. Based on the unique feature of an entirely extracardiac implantation, the S‑ICD is able to reduce the common perioperative and long-term complications of the usual endovascular implanted ICD systems...
May 14, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29759829/acute-and-3-month-performance-of-a-communicating-leadless-antitachycardia-pacemaker-and-subcutaneous-implantable-defibrillator
#2
Fleur V Y Tjong, Tom F Brouwer, Brendan Koop, Brian Soltis, Allan Shuros, Brian Schmidt, Bryan Swackhamer, Anne-Floor E B Quast, Arthur A M Wilde, Martin C Burke, Reinoud E Knops
OBJECTIVES: The primary objective was to assess the acute and 3-month performance of the modular antitachycardia pacing (ATP)-enabled leadless pacemaker (LP) and subcutaneous implantable cardioverter-defibrillator (S-ICD) system, particularly device-device communication and ATP delivery. BACKGROUND: Transvenous pacemakers and implantable cardioverter-defibrillators (ICDs) have considerable rates of lead complications. We examined the next step in multicomponent leadless cardiac rhythm management: feasibility of pacing (including ATP) by a LP, commanded by an implanted S-ICD through wireless, intrabody, device-device communication...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759633/transseptal-delivery-of-a-leadless-left-ventricular-endocardial-pacing-electrode
#3
Benjamin J Sieniewicz, Justin S Gould, Helen M Rimington, Nicholas Ioannou, Christopher A Rinaldi
No abstract text is available yet for this article.
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29758405/accelerometer-based-av-synchronous-pacing-with-a-ventricular-leadless-pacemaker-results-from-the-micra-av-feasibility-studies
#4
Larry Chinitz, Philippe Ritter, Surinder Kaur Khelae, Saverio Iacopino, Christophe Garweg, Maria Grazia-Bongiorni, Petr Neuzil, Jens Brock Johansen, Lluis Mont, Efrain Gonzalez, Venkata Sagi, Gabor Z Duray, Nicolas Clementy, Todd Sheldon, Vincent Splett, Kurt Stromberg, Nicole Wood, Clemens Steinwender
BACKGROUND: Micra is a leadless pacemaker that is implanted in the right ventricle and provides rate response via a 3-axis accelerometer (ACC). Custom software was developed to detect atrial contraction using the ACC enabling AV synchronous pacing. OBJECTIVE: To sense atrial contractions from the Micra ACC signal and provide AV synchronous pacing. METHODS: The MASS/MASS2 early feasibility studies showed intracardiac accelerations related to atrial contraction can be measured via ACC in the Micra leadless pacemaker...
May 8, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29709576/leadless-pacemaker-versus-transvenous-single-chamber-pacemaker-therapy-a-propensity-matched-analysis
#5
Fleur V Y Tjong, Reinoud E Knops, Erik O Udo, Tom F Brouwer, Srinivas R Dukkipati, Jacob S Koruth, Jan Petru, Lucie Sediva, Norbert M van Hemel, Petr Neuzil, Vivek Y Reddy
BACKGROUND: The recent introduction of leadless pacemakers (LP) was aimed to eliminate transvenous lead- and pocket-related complications. While the initial results with the leadless pacemakers seem promising, the non-randomized nature, limited implant experience of operators and short follow up period of these studies preclude a simple comparison to transvenous pacemakers (PM). OBJECTIVES: The objective of this study is to provide a balanced comparison of leadless versus transvenous single-chamber PM therapy through a propensity matched analysis...
April 27, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29674842/a-sub-cc-nonlinear-piezoelectric-energy-harvester-for-powering-leadless-pacemakers
#6
M H Ansari, M Amin Karami
A miniature nonlinear piezoelectric energy harvester is developed to power state of the art leadless cardiac pacemakers from cardiac motions. The energy harvester is integrated in the leadless pacemaker and is connected to the myocardium. The energy harvester converts myocardial motions to electricity to power leadless pacemakers. The energy is stored in a battery or supercapacitor and is used for pacing. The device is composed of a bimorph piezoelectric beam confined in a gray iron frame. The system is assembled at high temperature and operated at the body temperature...
February 2018: Journal of Intelligent Material Systems and Structures
https://www.readbyqxmd.com/read/29540439/battery-malfunction-of-a-leadless-cardiac-pacemaker-a-worrisome-single-center-experience
#7
Sergio Richter, Michael Döring, Micaela Ebert, Kerstin Bode, Andreas Müssigbrodt, Philipp Sommer, Daniela Husser, Gerhard Hindricks
Leadless cardiac pacemaker (LCP) therapy has been established clinically as a feasible and safe alternative to conventional transvenous pacemaker therapy for patients with an indication for single-chamber right-ventricular pacing.1-3 However, reports on loss of telemetry and pacing output due to abrupt battery failure called the safety of one of the two commercially available systems seriously into question. The initial battery advisory with the Nanostim™ LCP was issued by the manufacturer in October 2016, who instantly called a global stop to Nanostim™ implants...
March 14, 2018: Circulation
https://www.readbyqxmd.com/read/29520466/leadless-pacemaker-implantation-in-a-pediatric-patient-with-prolonged-sinus-pauses
#8
Shai Tejman-Yarden, Eyal Nof, Roy Beinart, Nadav Ovadia, Yuval Goldshmit, Jonathan Buber, Hagith Yonath, Eitan Keizman, Michael Glikson
Permanent cardiac pacing is the only effective solution for patients with symptomatic bradycardia and heart block. About 10% of patients undergoing implantation of the conventional pacing system develop complications related to the subcutaneous pocket or the leads and in pediatric patients lead problems may rise in up to 30% of the patients. The leadless pacemaker devices were developed in order to minimize some of those complications. We present a case of an 11-year-old patient who presented after the sudden death of his older brother, with recurrent episodes of syncope and documented prolonged sinus pauses...
April 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29496606/safety-and-feasibility-of-leadless-pacemaker-in-patients-undergoing-atrioventricular-node-ablation-for-atrial-fibrillation
#9
Bharath Yarlagadda, Mohit K Turagam, Tawseef Dar, Pragna Jangam, Vaishnavi Veerapaneni, Donita Atkins, Sudharani Bommana, Paul Friedman, Abhishek J Deshmukh, Rahul Doshi, Vivek Y Reddy, Srinivas R Dukkipati, Andrea Natale, Dhanunjaya Lakkireddy
BACKGROUND: Atrioventricular node (AVN) ablation and permanent pacing is an established strategy for rate control in the management of symptomatic atrial fibrillation (AF). Leadless pacemakers (LPs) can overcome some of the short-term and long-term limitations of conventional transvenous pacemakers (CTPs). OBJECTIVES: The purpose of this study was to compare the feasibility and safety of LP with those of single-chamber CTP in patients with AF undergoing AVN ablation...
March 1, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29476660/leadless-pacemaker-implantation-and-concurrent-atrioventricular-junction-ablation-in-patients-with-atrial-fibrillation
#10
Toshimasa Okabe, Mikhael F El-Chami, Michael S Lloyd, Benjamin Buck, Charles C Gornick, JoEllyn C Moore, Ralph S Augostini, John D Hummel
BACKGROUND: Atrioventricular junctional (AVJ) ablation and pacemaker implantation are indicated when pharmacotherapy fails to achieve adequate rate control in atrial fibrillation (AF). The purpose of our study is to assess the feasibility and safety of concurrent Micra leadless transcatheter pacemaker implantation and AVJ ablation. METHODS: We retrospectively assessed patients who underwent Micra implantation and concurrent AVJ ablation at three institutions between August 2014 and March 2016...
February 24, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29453212/implant-of-a-left-atrial-appendage-occluder-device-watchman-and-leadless-pacing-system-micra-through-the-same-venous-access-in-a-single-sitting
#11
Sofian Johar, Nazar Luqman
A left atrial appendage occluder device (Watchman) and leadless pacemaker (Micra) was implanted from a single right femoral vein access in a 73-year-old female patient with persistent atrial fibrillation and symptomatic tachy-brady syndrome and unable to take oral anticoagulants. Standard methods of implantation were followed for both procedures. The Watchman device was implanted first followed by dilatation of the same venous access site in order to implant Micra transcatheter pacing system. The patient tolerated the procedures well and there were no complications...
February 16, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29428139/leadless-pacemakers-state-of-the-art-and-future-perspectives
#12
REVIEW
Domenico G Della Rocca, Carola Gianni, Luigi Di Biase, Andrea Natale, Amin Al-Ahmad
Leadless pacemaker therapy is a new technology that aims at avoiding lead- and pocket-related complications of conventional transvenous and epicardial pacing. To date, 2 self-contained leadless pacemakers for right ventricular pacing have been clinically available: the Nanostim Leadless Pacemaker System and the Micra Transcatheter Pacing System. Additionally, a new multicomponent leadless pacemaker for endocardial left ventricular pacing has been proposed as an alternative choice for cardiac resynchronization therapy...
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29427820/techniques-for-successful-early-retrieval-of-the-micra-transcatheter-pacing-system-a-worldwide-experience
#13
Muhammad R Afzal, Emile G Daoud, Ryan Cunnane, Shiva K Mulpuru, Alan Koay, Azlan Hussain, Razali Omar, Koh Kok Wei, Anish Amin, Gregory Kidwell, Nirav Patel, Charles Love, Michel Lloyd, Maciej Sterliński, Seth Goldbarg, Miguel A Leal, James Gabriels, Apoor Patel, Ram Jadonath, Eric Grubman, George Crossley, Chris Pepper, Dhanunjaya Lakkireddy, Toshimasa Okabe, John D Hummel, Ralph S Augostini
BACKGROUND: Experience with retrieval of the Micra transcatheter pacing system (TPS) is limited because of its relatively newer technology. Although abandonment of the TPS at end of life is recommended, certain situations such as endovascular infection or device embolization warrant retrieval. OBJECTIVE: The purpose of this study was to report the worldwide experience with successful retrieval of the Micra TPS. METHODS: A list of all successful retrievals of the currently available leadless pacemakers (LPs) was obtained from the manufacturer of Micra TPS...
February 8, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29335839/successful-replacement-of-the-longest-worldwide-in-situ-nanostim-leadless-cardiac-pacemaker-for-a-micra-transcatheter-pacing-system
#14
Niek E G Beurskens, Fleur V Y Tjong, Anne-Floor B E Quast, Reinoud E Knops
No abstract text is available yet for this article.
March 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29274799/leadless-pacing-in-a-young-patient-with-cardioinhibitory-vasovagal-syncope
#15
Valentina De Regibus, Darragh Moran, Gian Battista Chierchia, Pedro Brugada, Carlo de Asmundis
Vasovagal syncope is characterized by vasodilatation and/or bradycardia and thereby a fall in arterial BP and global cerebral perfusion in response to a trigger. Although it is a benign condition, patients with frequent and traumatic episodes need treatment in order to improve quality of life. We describe the case of a 17-years-old boy suffering from cardioinhibitory syncope. At the end of a complete negative cardiac and neurological examination, a loop recorder was implanted. During the subsequent follow-up the ILR documented a 9-s pause...
December 21, 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29250275/rescue-leadless-pacemaker-implantation-in-a-pacemaker-dependent-patient-with-congenital-heart-disease-and-no-alternative-routes-for-pacing
#16
Mohamed Sanhoury, Gaetano Fassini, Fabrizio Tundo, Massimo Moltrasio, Valentina Ribatti, Giuseppe Lumia, Flavia Nicoli, Elisabetta Mancini, Annalisa Filtz, Claudio Tondo
Congenital heart disease patients are considered a unique group of patients regarding their high risk of conduction abnormalities , whether de novo or surgically induced , and the challenges in both implantation and management of device related complications. We present a case of a pacemaker-dependent patient with congenital heart disease who experienced complications of both previous epicardial and transvenous pacing which rendered her a non-suitable candidate of both routes.
February 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29250229/leadless-pacemakers-implant-explant-and-long-term-safety-and-efficacy-data
#17
REVIEW
Krishna Kancharla, Abhishek J Deshmukh, Paul A Friedman
Implantable cardiac pacemakers have seen remarkable progress in the last sixty years and remained as cornerstone therapy for symptomatic bradycardia. Despite this progress the current day traditional transvenous implanted pacemaker systems are limited by the need for a surgically created pocket for the generator, indwelling leads in the vascular system and lastly passage through the tricuspid valve. A majority of the implant and explant related complications are due to the surgical pocket and indwelling leads...
August 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29229522/transcatheter-leadless-pacing
#18
Michael S Lloyd, Michael F El-Chami, Kent R Nilsson, Daniel J Cantillon
No abstract text is available yet for this article.
December 8, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29221628/recommendations-for-the-implantation-of-leadless-pacemakers-from-the-french-working-group-on-cardiac-pacing-and-electrophysiology-of-the-french-society-of-cardiology
#19
Pascal Defaye, Didier Klug, Frederic Anselme, Daniel Gras, Jean-Sylvain Hermida, Olivier Piot, Christine Alonso, Laurent Fauchier, Estelle Gandjbakhch, Eloi Marijon, Philippe Maury, Jérôme Taieb, Serge Boveda, Nicolas Sadoul
No abstract text is available yet for this article.
January 2018: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/29217253/update-on-cardiovascular-implantable-electronic-devices-for-anesthesiologists
#20
REVIEW
Brett Cronin, Michael K Essandoh
With the advent of "wireless" endocardial pacing, the subcutaneous implantable cardioverter defibrillator, and leadless pacemakers comes an added layer of complexity to the perioperative management of cardiovascular implantable electronic devices (CIED). Since no formal recommendations currently exist for these new CIED technologies, preoperative identification of these devices, understanding their functionality, and developing an individualized perioperative management plan are imperative for the anesthesiologist...
September 7, 2017: Journal of Cardiothoracic and Vascular Anesthesia
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