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https://www.readbyqxmd.com/read/28073910/implantation-of-the-subcutaneous-implantable-cardioverter-defibrillator-an-evaluation-of-4-implantation-techniques
#1
Tom F Brouwer, Marc A Miller, Anne-Floor B E Quast, Chandrasekar Palaniswamy, Srinivas R Dukkipati, Vivek Reddy, Arthur A Wilde, Jonathan M Willner, Reinoud E Knops
BACKGROUND: Alternative techniques to the traditional 3-incision subcutaneous implantation of the subcutaneous implantable cardioverter-defibrillator may offer procedural and cosmetic advantages. We evaluate 4 different implant techniques of the subcutaneous implantable cardioverter-defibrillator. METHODS AND RESULTS: Patients implanted with subcutaneous implantable cardioverter-defibrillators from 2 hospitals between 2009 and 2016 were included. Four implantation techniques were used depending on physician preference and patient characteristics...
January 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28073660/effectiveness-of-subcutaneous-implantable-cardioverter-defibrillator-testing-in-patients-with-hypertrophic-cardiomyopathy
#2
Niccoló Maurizi, Ilaria Tanini, Iacopo Olivotto, Ernesto Amendola, Giuseppe Limongelli, Maria Angela Losi, Giuseppe Allocca, Giovanni Battista Perego, Paolo Pieragnoli, Giuseppe Ricciardi, Paolo De Filippo, Paola Ferrari, Giovanni Quarta, Stefano Viani, Antonio Rapacciuolo, Maria Grazia Bongiorni, Franco Cecchi
BACKGROUND: Subcutaneous ICD (S-ICD) is a promising option for Hypertrophic Cardiomyopathy (HCM) patients at risk of Sudden Cardiac Death (SCD). However, its effectiveness in terminating ventricular arrhythmias in HCM is yet unresolved. METHODS: Consecutive HCM patients referred for S-ICD implantation were prospectively enrolled. Patients underwent one or two attempts of VF induction by the programmer. Successful conversion was defined as any 65J shock that terminated VF (not requiring rescue shocks)...
January 4, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28070890/the-role-of-conventional-and-right-sided-ecg-screening-for-subcutaneous-icd-in-a-tetralogy-of-fallot-population
#3
Pau Alonso, Joaquín Osca, Oscar Cano, Pedro Pimenta, Ana Andrés, Jaime Yagüe, José Millet, Joaquín Rueda, María José Sancho-Tello
BACKGROUND: Information regarding suitability for S-ICD implant in Tetralogy of Fallot (ToF) population is scarce and needs to be further explored. THE AIMS OF OUR STUDY WERE: (i) to determine the proportion of patients with ToF eligible for S-ICD, (ii) to identify the optimal sensing vector in ToF patients, (iii) to test specifically the eligibility for sICD with right-sided screening, and (iv) to compare with the proportion of eligible patients in a non-selected ICD population...
January 10, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28045761/the-selective-late-sodium-current-inhibitor-eleclazine-unlike-amiodarone-does-not-alter-defibrillation-threshold-or-dominant-frequency-of-ventricular-fibrillation
#4
Ana F G Silva, Rodolfo Bonatti, Julio Batatinha, Bruce D Nearing, Dewan Zeng, Luiz Belardinelli, Richard L Verrier
INTRODUCTION: We examined effects of the selective late INa inhibitor eleclazine on the 50% probability of successful defibrillation (DFT50) before and after administration of amiodarone to determine its suitability for use in patients with implantable cardioverter-defibrillators (ICDs). METHODS AND RESULTS: In 20 anesthetized pigs, transvenous active-fixation cardiac defibrillation leads were fluoroscopically positioned into right ventricular apex via jugular vein...
December 28, 2016: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28034580/canadian-cardiovascular-society-canadian-heart-rhythm-society-2016-implantable-cardioverter-defibrillator-guidelines
#5
Matthew Bennett, Ratika Parkash, Pablo Nery, Mario Sénéchal, Blandine Mondesert, David Birnie, Laurence D Sterns, Claus Rinne, Derek Exner, François Philippon, Debra Campbell, Jafna Cox, Paul Dorian, Vidal Essebag, Andrew Krahn, Jaimie Manlucu, Franck Molin, Michael Slawnych, Mario Talajic
Sudden cardiac death is a major public health issue in Canada. However, despite the overwhelming evidence to support the use of implantable cardioverter defibrillators (ICDs) in the prevention of cardiac death there remains significant variability in implantation rates across Canada. Since the most recent Canadian Cardiovascular Society position statement on ICD use in Canada in 2005, there has been a plethora of new scientific information to assist physicians in their discussions with patients considered for ICD implantation to prevent sudden cardiac death due to ventricular arrhythmias...
October 6, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28034575/complete-right-bundle-branch-block-and-qrs-t-discordance-can-be-the-initial-clue-to-detect-s-icd-ineligibility
#6
Motomi Tachibana, Nobuhiro Nishii, Yoshimasa Morimoto, Satoshi Kawada, Akihito Miyoshi, Hiroyasu Sugiyama, Koji Nakagawa, Atsuyuki Watanabe, Kazufumi Nakamura, Hiroshi Morita, Hiroshi Ito
BACKGROUND: In order to minimize inappropriate shocks of subcutaneous implantable cardioverter-defibrillators (S-ICD), it is important to recognize who is suitable for S-ICD indication. This study aimed to clarify what types of cardiac disease are likely to fulfill the S-ICD screening criteria and ineligible factors for S-ICD in the standard 12-lead electrocardiogram (ECG). METHODS: A total of 348 patients with heart disease were enrolled. They were assessed by supine and standing ECG recording to simulate the 3 S-ICD sensing vectors and standard 12-lead ECG, simultaneously...
December 26, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28011803/the-italian-subcutaneous-implantable-cardioverter-defibrillator-survey-s-icd-why-not
#7
Giovanni Luca Botto, Giovanni B Forleo, Alessandro Capucci, Francesco Solimene, Antonello Vado, Giovanni Bertero, Pietro Palmisano, Ennio Pisanò, Antonio Rapacciuolo, Tommaso Infusino, Alessandro Vicentini, Miguel Viscusi, Paola Ferrari, Antonello Talarico, Giovanni Russo, Giuseppe Boriani, Luigi Padeletti, Mariolina Lovecchio, Sergio Valsecchi, Antonio D'Onofrio
AIMS: A recommendation for a subcutaneous-implantable cardioverter-defibrillator (S-ICD) has been added to recent European Society of Cardiology Guidelines. However, the S-ICD is not ideally suitable for patients who need pacing. The aim of this survey was to analyse the current practice of ICD implantation and to evaluate the actual suitability of S-ICD. METHODS AND RESULTS: The survey 'S-ICD Why Not?' was an independent initiative taken by the Italian Heart Rhythm Society (AIAC)...
December 23, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28007749/intermuscular-technique-for-implantation-of-the-subcutaneous-implantable-cardioverter-defibrillator-long-term-performance-and-complications
#8
Joachim Winter, Markus Siekiera, Dong-In Shin, Christian Meyer, Patric Kröpil, Harald Clahsen, Stephen O'Connor
AIMS: The subcutaneous cardioverter defibrillator was designed to overcome electrode complications of transvenous defibrillation systems. While largely achieved, pocket complications have increased. Subcutaneous implantation of the pulse generator leaves it prone to erosion, extrusion, discomfort, and poor cosmesis. METHODS AND RESULTS: We use a demonstration electrode and pulse generator with fluoroscopy, prior to prepping and draping, to maximize the left ventricular mass between them...
December 22, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27943358/intermuscular-two-incisions-technique-for-subcutaneous-implantable-cardioverter-defibrillator-implantation-results-from-a-multicenter-registry
#9
Federico Migliore, Giuseppe Allocca, Vittorio Calzolari, Martino Crosato, Domenico Facchin, Elisabetta Daleffe, Massimo Zecchin, Mauro Fantinel, Sergio Cannas, Rocco Arancio, Procolo Marchese, Francesco Zanon, Alessandro Zorzi, Sabino Iliceto, Emanuele Bertaglia
BACKGROUND: the traditional technique for subcutaneous implantable cardioverter defibrillator (S-ICD) implantation, which involves 3 incisions and a subcutaneous pocket, is associated with possible complications, including inappropriate interventions. The aim of this prospective multicenter study was to evaluate the efficacy and safety of an alternative intermuscular two-incisions technique for S-ICD implantation. METHODS: the study population included 36 consecutive patients [75% male, mean age 44±12 years (range 20-69)] who underwent S-ICD implantation using the intermuscular two-incisions technique...
December 10, 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27943348/the-design-of-the-understanding-outcomes-with-the-s-icd-in-primary-prevention-patients-with-low-ef-study-untouched
#10
Michael R Gold, Reinoud Knops, Martin C Burke, Pier D Lambiase, Andrea M Russo, Maria Grazia Bongiorni, Jean-Claude Deharo, Johan Aasbo, Mikhael F El Chami, Michael Husby, Nathan Carter, Lucas Boersma
AIMS: The UNTOUCHED study will assess the safety and efficacy of the subcutaneous implantable cardioverter defibrillator (S-ICD) in the most common cohort of patients receiving ICDs. The primary goal is to evaluate the inappropriate shock (IAS) free rate in primary prevention patients with a reduced ejection fraction and compare with a historical control of transvenous ICD patients with similar programming. METHODS AND RESULTS: The UNTOUCHED Study is a global, multi-center, prospective, non-randomized study of patients undergoing denovo S-ICD implantation for primary prevention of sudden cardiac death with a left ventricular ejection fraction ≤ 35%...
December 10, 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27941299/long-term-efficacy-of-implantable-cardioverter-defibrillator-in-repaired-tetralogy-of-fallot%C3%A3-role-of-anti-tachycardia-pacing
#11
Ryuta Henmi, Koichiro Ejima, Daigo Yagishita, Yuji Iwanami, Tomomi Nishimura, Daiji Takeuchi, Keiko Toyohara, Morio Shoda, Nobuhisa Hagiwara
BACKGROUND: Tetralogy of Fallot (TOF) is one of the common congenital heart diseases (CHD) in implantable cardioverter defibrillator (ICD) recipients, but few studies have reported the long-term outcomes of and the anti-tachycardia pacing (ATP) efficacy in repaired TOF.Methods and Results:Twenty-one repaired TOF patients with an ICD implanted between April 2003 and March 2015 were investigated retrospectively. ICD therapy and clinical outcome were analyzed. Mean patient age was 39±11 years; 62% were male; and mean age at repair surgery was 9...
December 9, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27890798/performance-of-the-subcutaneous-implantable-cardioverter-defibrillator-in-patients-with-a-primary-prevention-indication-with-and-without-a-reduced-ejection-fraction-versus-patients-with-a-secondary-prevention-indication
#12
Lucas V Boersma, Craig S Barr, Martin C Burke, Angel R Leon, Dominic A Theuns, John M Herre, Raul Weiss, Mark S Kremers, Petr Neuzil, Michael P Husby, Nathan Carter, Timothy M Stivland, Michael R Gold
BACKGROUND: The subcutaneous implantable defibrillator (S-ICD) provides an alternative to the transvenous ICD for the prevention of sudden cardiac death, but has not been well studied in the most commonly treated transvenous ICD patient population, namely, primary prevention (PP) patients with left ventricular dysfunction. OBJECTIVE: The analyses in the present study were designed to compare clinical outcomes for PP patients with and without a reduced ejection fraction (EF) and secondary prevention (SP) patients implanted with the S-ICD...
November 24, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/27878381/posttraumatic-stress-and-quality-of-life-with-the-totally-subcutaneous-compared-to-conventional-cardioverter-defibrillator-systems
#13
Julia Köbe, Katharina Hucklenbroich, Nils Geisendörfer, Markus Bettin, Gerrit Frommeyer, Florian Reinke, Dirk Dechering, Markus Burgmer, Lars Eckardt
BACKGROUND: For prevention of sudden cardiac death, the transvenously implantable cardioverter-defibrillator therapy (tv-ICD) is well accepted. The subcutaneous system (S-ICD(®)) is promising in terms of reducing ICD complications. Nevertheless, the impact of the novel generator position on patients' quality of life (QoL) is yet unknown. OBJECTIVE: This study aimed at comparing QoL and posttraumatic stress with both systems. METHODS: 60 S-ICD(®) and 60 case-controlled tv single-chamber ICD patients were asked to respond to three standardized questionnaires...
November 22, 2016: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/27865198/a-propensity-matched-case-control-study-comparing-efficacy-safety-and-costs-of-the-subcutaneous-vs-transvenous-implantable-cardioverter-defibrillator
#14
S Honarbakhsh, R Providencia, N Srinivasan, S Ahsan, M Lowe, E Rowland, R J Hunter, M Finlay, O Segal, M J Earley, A Chow, R J Schilling, P D Lambiase
BACKGROUND: Subcutaneous implantable cardioverter defibrillators (S-ICD) have become more widely available. However, comparisons with conventional transvenous ICDs (TV-ICD) are scarce. METHODS: We conducted a propensity matched case-control study including all patients that underwent S-ICD implantation over a five-year period in a single tertiary centre. Controls consisted of all TV-ICD implant patients over a contemporary time period excluding those with pacing indication, biventricular pacemakers and those with sustained monomorphic ventricular tachycardia requiring anti-tachycardia pacing...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27810043/long-term-clinical-outcomes-of-subcutaneous-versus-transvenous-implantable-defibrillator-therapy
#15
Tom F Brouwer, Dilek Yilmaz, Robert Lindeboom, Maurits S Buiten, Louise R A Olde Nordkamp, Martin J Schalij, Arthur A Wilde, Lieselot van Erven, Reinoud E Knops
BACKGROUND: Transvenous implantable cardioverter-defibrillators (TV-ICDs) improve survival in patients at risk for sudden cardiac death, but complications remain an important drawback. The subcutaneous ICD (S-ICD) was developed to overcome lead-related complications. Comparison of clinical outcomes of both device types in previous studies was hampered by dissimilar patient characteristics. OBJECTIVES: This retrospective study compares long-term clinical outcomes of S-ICD and TV-ICD therapy in a propensity-matched cohort...
November 8, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27799257/defibrillators-selecting-the-right-device-for-the-right-patient
#16
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/27793958/subcutaneous-implantable-cardioverter-defibrillator-shocks-after-left-ventricular-assist-device-implantation
#17
Tobias J Pfeffer, Thorben König, David Duncker, Roman Michalski, Stephan Hohmann, Hanno Oswald, Jan D Schmitto, Christian Veltmann
No abstract text is available yet for this article.
November 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27761257/totally-submuscular-implantation-of-subcutaneous-implantable-cardioverter-defibrillator-a-safe-and-effective-solution-for-obese-or-oversized-patients
#18
Andrea Droghetti, Alessandro Locatelli, Bruno Casiraghi, Maurizio Malacrida, Michele Arupi, Mark Ragusa
The subcutaneous implantable cardioverter-defibrillator (S-ICD) is a safe alternative to transvenous ICD. We describe a submuscular S-ICD placement technique in a severely obese with an oversized chest. Submuscular configuration allows optimal system positioning and impendence values warranting a safe and effective shock transmission. This technique is safe and improves patients comfort.
October 2016: Clinical Case Reports
https://www.readbyqxmd.com/read/27738753/-predictors-for-need-of-antibradycardia-and-antitachycardia-pacing-after-icd-implantation-implications-for-the-subcutaneous-icd
#19
Martin Grett, Martin Christ, Hans-Joachim Trappe
BACKGROUND: Little is known about the incidence and risk factors for progression to pacemaker dependency or the need for cardiac resynchronization in typical patients with an implanted defibrillator with regard to an alternative implantation of a subcutaneous ICD (S-ICD). STUDY DESIGN AND METHODS: After retrospective analysis of 291 patients with first implantation of a transvenous single chamber ICD (VVI-ICD) from 2010-2016 and excluding those with an indication for pacemaker or lack of follow-up data, 121 patients were included and investigated with regard to the following endpoints: need for pacemaker stimulation, upgrade for cardiac resynchronization (CRT), and secondary occurrence and effectiveness of antitachycardia pacing (ATP)...
December 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/27738752/-optimisation-of-subcutaneous-defibrillator-programming-after-inappropriate-shocks-due-to-new-onset-of-right-bundle-branch-block
#20
Claudia Schaarschmidt, Christof Kolb
The subcutaneous implantable defibrillator (S-ICD) has become an established tool for the prevention of sudden cardiac death. Based on its detection properties, the S‑ICD is essentially dependent on correct morphology discrimination of the QRS complex and avoidance of potential T‑wave sensing. We report on a patient who experienced multiple inappropriate S‑ICD shocks due to T‑wave oversensing in the setting of new onset of right bundle branch block. Strategies for the optimisation of the device programming are discussed...
December 2016: Herzschrittmachertherapie & Elektrophysiologie
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