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Subcutaneous defibrillator

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https://www.readbyqxmd.com/read/28936891/keeping-up-appearances-the-radiographic-evolution-of-cardiovascular-implantable-electronic-devices
#1
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/28918305/single-center-experience-with-percutaneous-extraction-of-cardiac-implantable-electric-devices
#2
Ayako Okada, Morio Shoda, Hiroaki Tabata, Wataru Shoin, Hideki Kobayashi, Takahiro Okano, Koji Yoshie, Yasutaka Oguchi, Takahiro Takeuchi, Ken Kato, Koichiro Kuwahara
BACKGROUND: The estimated incidence of infected cardiac implantable electric devices (CIED) has recently increased to 1-2% in Japan. Extraction of long-term implanted devices is generally difficult. There are few reports about lead extraction in Japan. We describe our experience with and outcomes of lead extraction using excimer lasers, mechanical sheaths, and manual extraction. METHODS: We retrospectively analyzed the characteristics, types of devices, and indications for extraction in 29 patients with 67 leads who required CIED lead extraction at Shinshu University Hospital between April 2014 and October 2016...
September 13, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28899260/reduction-in-electrocardiographic-lateral-precordial-voltage-after-subcutaneous-implantable-cardioverter-defibrillator-implantation
#3
Luc De Roy, Dominique Blommaert
No abstract text is available yet for this article.
September 12, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28840104/t-wave-oversensing-from-postural-changes-a-rare-cause-of-inappropriate-shock-from-a-subcutaneous-defibrillator
#4
Muhammad R Afzal, Auroa Badin, Raul Weiss, Ralph Augostini, John D Hummel
No abstract text is available yet for this article.
August 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28838526/congenital-left-ventricular-diverticulum-complicated-by-ventricular-fibrillation
#5
Manabu Yamasaki, Naoto Kawamatsu, Kunihiko Yoshino, Kohei Abe, Hiroyasu Misumi
Congenital left ventricular diverticulum (CLVD) is a rare congenital anomaly and may be associated with fatal adverse events. A previously healthy 20-year-old man collapsed as a result of sudden ventricular fibrillation (VF). Despite intractable VF, he had return of spontaneous circulation with cardiopulmonary resuscitation and subsequent introduction of venoarterial extracorporeal membrane oxygenation (ECMO). After ECMO was discontinued, cardiac magnetic resonance imaging revealed CLVD at the posterolateral wall of the left ventricle...
September 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28800177/exercise-stress-test-reveals-ineligibility-for-subcutaneous-implantable-cardioverter-defibrillator-in-patients-with-brugada-syndrome
#6
Motomi Tachibana, Nobuhiro Nishii, Hiroshi Morita, Koji Nakagawa, Atsuyuki Watanabe, Kazufumi Nakamura, Hiroshi Ito
BACKGROUND: The eligibility of patients with Brugada syndrome (BrS) for implantation of a subcutaneous implantable cardioverter defibrillator (S-ICD) is not well known. This study aimed to clarify the eligibility of BrS patients for S-ICD using electrocardiography (ECG) at rest and during exercise testing. We also analyzed factors associated with ineligibility for S-ICD from standard 12-lead ECG at rest. METHODS: We enrolled 110 consecutive BrS patients who visited Okayama university hospital from December 2015 to December 2016...
August 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28797352/subcutaneous-implantable-cardioverter-defibrillator-finding-a-place%C3%A2-in-sudden-cardiac-death-prevention-emerging-or-emerged
#7
EDITORIAL
Jeanne E Poole, Jordan M Prutkin
No abstract text is available yet for this article.
August 15, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28797351/implant-and-midterm-outcomes-of-the-subcutaneous-implantable-cardioverter-defibrillator-registry-the-effortless-study
#8
MULTICENTER STUDY
Lucas Boersma, Craig Barr, Reinoud Knops, Dominic Theuns, Lars Eckardt, Petr Neuzil, Marcoen Scholten, Margaret Hood, Juergen Kuschyk, Paul Jones, Elizabeth Duffy, Michael Husby, Kenneth Stein, Pier D Lambiase
BACKGROUND: The subcutaneous implantable cardioverter-defibrillator (S-ICD) was developed to defibrillate ventricular arrhythmias, avoiding drawbacks of transvenous leads. The global EFFORTLESS S-ICD (Evaluation oF FactORs ImpacTing CLinical Outcome and Cost EffectiveneSS of the S-ICD) registry is collecting outcomes in 985 patients during a 5-year follow-up. OBJECTIVES: The primary goal of the EFFORTLESS registry is to determine the safety of the S-ICD by evaluating complications and inappropriate shock rate...
August 15, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28781823/inappropriate-shock-in-a-subcutaneous-cardiac-defibrillator-due-to-residual-air
#9
Shawn Lee, Nektarios Souvaliotis, Davendra Mehta, Ranjit Suri
Inappropriate shock due to residual air in subcutaneous implantable cardiac defibrillators is not a well-known complication. Obtaining overpenetrated X-rays, recognizing electrocardiogram findings, limiting blunt finger dissection, and switching to sense at another vector are techniques which might lead to avoidance of unnecessary wound exploration or device removal.
August 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28765769/initial-experience-with-the-subcutaneous-implantable-cardioverter-defibrillator-in-a-single-japanese-center
#10
Nobuhiro Nishii, Motomi Tachibana, Yoshimasa Morimoto, Satoshi Kawada, Akihito Miyoshi, Hiroyasu Sugiyama, Koji Nakagawa, Atsuyuki Watanabe, Kazufumi Nakamura, Hiroshi Morita, Hiroshi Ito
BACKGROUND: The subcutaneous implantable cardioverter-defibrillator (S-ICD) is recognized as a viable alternative to the transvenous ICD. The safety and efficacy of this device has been demonstrated in Western countries, but studies with S-ICD implantation in Japanese patients have not been reported. METHODS AND RESULTS: Twelve patients received an S-ICD implant in our institute between February and September 2016. All S-ICDs were successfully implanted without complications...
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28761406/position-of-subcutaneous-implantable-cardioverter-defibrillators-and-possible-interference-on-myocardial-perfusion-imaging
#11
Omar Ray Kahaly, Fereidoon Shafiei, Charles Hardebeck, Mahmoud Houmsse
Implanted cardioverter-defibrillators can prevent sudden cardiac death in at-risk patients. In comparison with conventional transvenous systems, entirely subcutaneous implantable cardioverter-defibrillators have produced similar reductions in the rate of sudden cardiac death but with fewer sequelae. An infrequently reported drawback of subcutaneous devices, however, is the potential for generating attenuation artifact during nuclear myocardial perfusion imaging. We had concerns about potential attenuation artifact in a 65-year-old man with coronary artery disease but found that having positioned the pulse generator in the midaxillary zone avoided problems...
June 2017: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28754394/a-potentially-lethal-dysfunction-of-a-subcutaneous-implantable-cardiac-defibrillator-the-phantom-menace
#12
Mihaela Calcaianu, Didier Bresson, Jacques Lévy
In this article we describe, to our knowledge, the first case of a potentially lethal dysfunction of a subcutaneous implantable cardioverter-defibrillator (S-ICD). A 70-year-old patient underwent primary S-ICD implantation. Nine months after, communication could not be established with the device. Chest radiography revealed that the lead had moved and wrapped around the generator. After equipment extraction, we observed the lead wound around the sagittal axis of the generator. A burn mark with melted metal was found inside the generator...
August 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28754393/totally-leadless-dual-device-implantation-for-combined-spontaneous-ventricular-tachycardia-defibrillation-and-pacemaker-function-a-first-report
#13
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/28706590/entirely-subcutaneous-defibrillator-and-complex-congenital-heart-disease-data-on-long-term-clinical-follow-up
#14
Paolo Ferrero, Hussam Ali, Palash Barman, Sara Foresti, Pierpaolo Lupo, Emilia D'Elia, Riccardo Cappato, Alan Graham Stuart
AIM: To describe the long-term follow-up of patients with complex congenital heart disease who underwent subcutaneous implantable cardiac defibrillator (S-ICD), focusing on local complications, appropriate and inappropriate shocks. METHODS: Patients with complex congenital heart disease underwent S-ICD implant in two centers with the conventional technique. Data at follow-up were retrieved from clinical notes and institutional database. RESULTS: Eight patients were implanted in two centres between 2010 and 2016...
June 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28705110/an-unusual-indication-for-subcutaneous-implantable-cardioverter-defibrillator
#15
Nicolas De Schryver, Christian van Ruyssevelt, Lucio Capulzini
No abstract text is available yet for this article.
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28696089/prevention-of-sudden-cardiac-death-from-wearable-to-subcutaneous-cardioverter-defibrillator
#16
Stefano Viani, Ezio Soldati, Andrea DI Cori, Luca Segreti, Luca Paperini, Raffaele DE Lucia, Giulio Zucchelli, Maria G Bongiorni
The implantable cardioverter defibrillator (ICD) is today an indisputable evidence-based treatment for cardiac sudden death both in primary and secondary prevention. However many clinical conditions that would represent an indication to ICD implantation, according to guidelines, may be potentially reversible or may be accompanied by temporary contraindications to the implant. Moreover transvenous cardioverter defibrillator implantation still carries a not negligible risk of complications both acutely and at follow-up...
July 10, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28687562/efficacy-and-safety-of-the-subcutaneous-implantable-cardioverter-defibrillator-a-systematic-review
#17
REVIEW
Colin Dominic Chue, Chun Shing Kwok, Chun Wai Wong, Ashish Patwala, Diane Barker, Amir Zaidi, Mamas A Mamas, Colin Cunnington, Fozia Z Ahmed
BACKGROUND: Subcutaneous implantable cardioverter defibrillators (S-ICDs) are considered an alternative to conventional transvenous ICDs (TV-ICDs) in patients not requiring pacing. METHODS: We searched MEDLINE and EMBASE for studies evaluating efficacy and safety outcomes in S-ICD patients. Outcomes were pooled across studies. RESULTS: Sixteen studies were included with 5380 participants (mean age range 33-56 years). Short-term follow-up data were available for 1670 subjects...
September 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28664342/effect-of-supplemented-intake-of-omega-3-fatty-acids-on-arrhythmias-in-patients-with-icd-fish-oil-therapy-may-reduce-ventricular-arrhythmia
#18
Dalit Weisman, Roy Beinart, Aharon Erez, Nira Koren-Morag, Ilan Goldenberg, Michael Eldar, Michael Glikson, David Luria
PURPOSE: The aim of this study was to evaluate the effects of fish oils, including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), on ventricular tachyarrhythmic episodes (VTEs) in implantable cardioverter defibrillator (ICD) recipients with ischemic cardiomyopathy. METHODS: One hundred five ICD recipients with ischemic cardiomyopathy received 3.6 g of EPA and DHA and placebo for 6 months, each at a random order, with a 4-month washout period between treatments...
September 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28649503/subcutaneous-implantable-cardioverter-defibrillator-placement-in-a-patient-with-a-preexisting-transvenous-implantable-cardioverter-defibrillator
#19
Mohammad-Ali Jazayeri, Martin P Emert, JoAnn Bartos, Ted Tabbert, Dhanunjaya R Lakkireddy, Mohammad-Reza Jazayeri
No abstract text is available yet for this article.
June 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28649498/oversensing-of-an-unexpected-atrial-flutter-a-new-tool-to-improve-detection-of-supraventricular-arrhythmias-in-subcutaneous-implantable-cardioverter-defibrillators
#20
Luca Santini, Augusto Pappalardo, Valentina Schirripa, Nicola Danisi, Giovanni B Forleo, Fabrizio Ammirati
No abstract text is available yet for this article.
June 2017: HeartRhythm Case Reports
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