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https://www.readbyqxmd.com/read/29021417/miniaturized-leadless-cardiac-pacemakers%C3%A3-can-they-overcome-the-problems-with-transvenous-pacing-systems
#1
Yasushi Oginosawa, Ritsuko Kohno, Hisaharu Ohe, Haruhiko Abe
No abstract text is available yet for this article.
October 12, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29018521/end-of-life-management-of-leadless-cardiac-pacemaker-therapy
#2
Niek Eg Beurskens, Fleur Vy Tjong, Reinoud E Knops
The clinically available leadless pacemakers for patients with a single-chamber pacing indication have shown to be safe and effective. However, the optimal end-of-life strategy of this novel technique is undefined. Suggested strategies comprise of (a) placing an additional leadless device adjacent to the leadless pacemaker, or (b) retrieving the non-functioning leadless pacemaker and subsequently implanting a new device. Although initial studies demonstrate promising results, early experience of acute and mid-term retrieval feasibility and safety remains mixed...
August 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/29016827/successful-implant-of-a-leadless-pacemaker-with-tine-based-fixation-next-to-an-abandoned-battery-depleted-screw-in-helix-fixation-leadless-device
#3
Werner Jung, Gholamreza Sadeghzadeh, Sebastian Jäckle, Birge Roggenbuck-Schwilk, Vlada Zvereva, Johannes Kohler
No abstract text is available yet for this article.
August 9, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29016787/first-in-human-leadless-micra-transcatheter-pacing-system-meets-the-nanostim-leadless-cardiac-pacing-system
#4
Leif-Hendrik Boldt, Phillip Lacour, Burkert Pieske, Wilhelm Haverkamp, Florian Blaschke
No abstract text is available yet for this article.
July 27, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28965962/spanish-pacemaker-registry-14th-official-report-of-the-spanish-society-of-cardiology-working-group-on-cardiac-pacing-2016
#5
Óscar Cano Pérez, Marta Pombo Jiménez, María Luisa Fidalgo Andrés, Diego Lorente Carreño, Raúl Coma Samartín
INTRODUCTION AND OBJECTIVES: This report describes the results of analysis of implanted pacemakers reported to the Spanish Pacemaker Registry. METHODS: The analysis was based on information provided by the European Pacemaker Identification Card. RESULTS: Information was received from 115 hospitals, with a total of 12 697 cards, representing 32.3% of the estimated activity. Use of conventional and resynchronization pacemakers was 818 and 79 units per million inhabitants, respectively...
September 28, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28957879/perioperative-management-of-cardiac-rhythm-assist-devices-in-ambulatory-surgery-and-nonoperating-room-anesthesia
#6
Lovkesh Arora, Chakradhari Inampudi
PURPOSE OF REVIEW: Patients with cardiac implantable electronic devices (CIEDs) frequently undergo various surgical procedures and in the past perioperative management involved only placing magnet over the device. New programming features, development of implantable cardiac defibrillator (ICD), cardiac resynchronization therapy, and increasing complexity of the operating room equipment have led to new sources of electromagnetic interference (EMI). A comprehensive understanding of the CIED is necessary to provide a timely and optimal care to the patients...
September 27, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28943497/leadless-micra-pacemaker-percutaneous-extraction-from-pulmonary-artery-in-complex-congenital-heart-disease-and-complete-heart-block-patient
#7
Maciej Sterliński, Marcin Demkow, Karolina Plaskota, Artur Oręziak
No abstract text is available yet for this article.
September 26, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28936891/keeping-up-appearances-the-radiographic-evolution-of-cardiovascular-implantable-electronic-devices
#8
Benedict M Wiles, Caroline A Illingworth, John R Paisey, Paul R Roberts, Stephen P Harden
In recent years there has been a significant evolution in the field of cardiovascular implantable electronic devices (CIED). Pacemakers can now be leadless, implantable cardioverter defibrillators can be entirely subcutaneous and implantable loop recorders have become miniaturised. Driven by technological advances and an ageing population implant numbers have also steadily increased. These highly prevalent systems are all radio opaque and are frequently observed on chest radiographs, yet the devices are neither well recognised nor understood...
September 22, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28928978/implantation-of-the-micra-leadless-pacemaker-in-a-patient-with-a-low-body-mass-index-of-16
#9
Gary Tse, Tong Liu, Guangping Li, Wing Tak Wong, Gary Chin Pang Chan, Yat Sun Chan, Bryan Yan
A 71-year-old female patient has a history of complete heart block and recurrent pacemaker site infection requiring multiple pacemaker explanations. A leadless pacemaker using passive fixation was inserted into the right ventricular apex via transvenous approach without complications. This case illustrates the feasibility of implanting a leadless pacemaker system in a small-sized adult with a low body mass index of 16 (weight: 33.7 kg, height: 145 cm) which may have potential application in elderly Asian subjects...
September 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28892221/a-novel-leadless-miniature-implantable-tibial-nerve-neuromodulation-system-for-the-management-of-overactive-bladder-complaints
#10
John P F A Heesakkers, Guiseppe A Digesu, Jetske van Breda, Philip Van Kerrebroeck, Sohier Elneil
BACKGROUND: Overactive bladder is a chronic condition affecting lower urinary tract function that has a significant negative impact on QoL. OBJECTIVE: Evaluation of the BlueWind implantable tibial nerve system performance and safety in refractory OAB. DESIGN, SETTING, AND PARTICIPANTS INTERVENTION: A 6-month multi-center prospective intervention study. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Objective assessment was done by voiding diary parameters included voids/day, volume voided/day, urgency assessment, leaking episodes/day, pads used/day, leak severity, and clinical success defined as a ≥50% reduction in the number of leaks/day or number of voids/day or number of episodes with degree of urgency >2 or a return to <8 voids/day on a 3 Day diary...
September 11, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28882363/editorial-commentary-leadless-pacemaker-a-pacemaker-revolution-or-a-simply-new-alternative-solution
#11
EDITORIAL
Antoine Da Costa
No abstract text is available yet for this article.
August 23, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28826669/leadless-pacemaker-performance-and-complications
#12
REVIEW
Justin Z Lee, Siva K Mulpuru, Win K Shen
Traditional transvenous cardiac pacemakers have pitfalls due to lead- and device pocket-related complications. Leadless pacemakers were developed and introduced into clinical practice to overcome the shortcomings of traditional transvenous pacemakers. In this review, we provide a description of leadless pacemaker devices, and summarize existing data on device performance. We also describe associated complications during implantation procedure as well as during the follow-up period. Although current generation devices are limited to single-chamber pacing, future generation devices are expected to progress to multi-chamber multi-component pacing systems, and eventually to battery-less devices...
August 9, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28765766/asystole-in-focal-epilepsy-complicating-a-traumatic-subdural-hematoma
#13
Yuk-Ming Lau, Chi-Hung Lo, Kathy Lai-Fun Lee, Chu-Pak Lau
Ictal asystole due to sinus node suppression is a cause of sudden unexplained death in epilepsy. Here, for the first time, we describe a complete atrioventricular nodal block in a patient with non-compressive traumatic subdural hematoma, who developed ictal asystole as a delayed presentation. A leadless VVI pacemaker (ventricular paced, ventricular sensed, and pacing inhibited in response to a sensed beat) was implanted as a preventive measure against seizure-related heart block.
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28754393/totally-leadless-dual-device-implantation-for-combined-spontaneous-ventricular-tachycardia-defibrillation-and-pacemaker-function-a-first-report
#14
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/28733849/novel-pacing-strategies-for-heart-failure-management
#15
REVIEW
Jordan S Leyton-Mange, Theofanie Mela
Cardiac resynchronization therapy has emerged as the gold standard for heart failure patients with left ventricular systolic dysfunction and electrical dyssynchrony from an intrinsic intraventricular conduction delay or right ventricular pacing. However, the limits imposed by the coronary sinus venous anatomy restrict the applicability of the technology for many potential recipients. Furthermore, conventional resynchronization, by virtue of utilizing a single site of epicardial origin for left ventricular activation, is non-physiological...
August 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28733765/close-up-of-a-leadless-pacemaker-3%C3%A2-days-after-implantation
#16
Ekrem Ücer, Philip Irrgang, Sabine Fredersdorf, Lars Maier
No abstract text is available yet for this article.
September 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28733677/inductively-powered-wireless-pacing-via-a-miniature-pacemaker-and-remote-stimulation-control-system
#17
Parinaz Abiri, Ahmad Abiri, René R Sevag Packard, Yichen Ding, Alireza Yousefi, Jianguo Ma, Malcolm Bersohn, Kim-Lien Nguyen, Dejan Markovic, Shervin Moloudi, Tzung K Hsiai
Pacemakers have existed for decades as a means to restore cardiac electrical rhythms. However, lead-related complications have remained a clinical challenge. While market-released leadless devices have addressed some of the issues, their pacer-integrated batteries cause new health risks and functional limitations. Inductive power transfer enables wireless powering of bioelectronic devices; however, Specific Absorption Rate and size limitations reduce power efficiency for biomedical applications. We designed a remote-controlled system in which power requirements were significantly reduced via intermittent power transfer to control stimulation intervals...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28713024/to-retrieve-or-not-to-retrieve-system-revisions-with-the-micra-transcatheter-pacemaker
#18
Eric Grubman, Philippe Ritter, Christopher R Ellis, Michael Giocondo, Ralph Augostini, Petr Neuzil, Bipin Ravindran, Anshul M Patel, Pamela Omdahl, Karen Pieper, Kurt Stromberg, J Harrison Hudnall, Dwight Reynolds
BACKGROUND: Early experience with leadless pacemakers has shown a low rate of complications. However, little is known about system revision in patients with these devices. OBJECTIVE: The purpose of this study was to describe the system revision experience with the Micra Transcatheter Pacing System (TPS). METHODS: Implanted patients from the Pre-market Micra Transcatheter Pacing Study and the Micra Transcatheter Pacing System Continued Access Study (N = 989) were analyzed and compared with 2667 patients with transvenous pacemakers (TVP)...
July 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28707515/successful-repositioning-of-leadless-cardiac-pacemaker-during-open-heart-surgery
#19
Christophe Garweg, Joris Ector, Wouter Oosterlinck, Rik Willems, Paul Herijgers
No abstract text is available yet for this article.
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28707043/leadless-pacing-current-state-and-future-direction
#20
REVIEW
Matthias Merkel, Philipp Grotherr, Andrea Radzewitz, Claus Schmitt
Leadless pacing is now an established alternative to conventional pacing with subcutaneous pocket and transvenous lead for patients with class I or II single-chamber pacing indication. Available 12-month follow-up data shows a 48% fewer major complication rate in patients with Micra™ compared to a historical control group in a nonrandomized study [1]. There is one system with Food and Drug Administration (FDA) approval and two with the Communauté Européenne (CE) mark. The OPS code for the implantation is 8-83d...
July 13, 2017: Cardiology and Therapy
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