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https://www.readbyqxmd.com/read/27890798/performance-of-the-subcutaneous-implantable-defibrillator-in-primary-prevention-patients-with-and-without-reduced-ejection-fraction-versus-secondary-prevention-patients
#1
Lucas 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 (TV-ICD) for prevention of sudden cardiac death (SCD), but has not been well studied in the most commonly treated TV-ICD patient population, namely primary prevention (PP) patients with left ventricular (LV) dysfunction. OBJECTIVE: These analyses 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
#2
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
#3
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...
November 7, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27810043/long-term-clinical-outcomes-of-subcutaneous-versus-transvenous-implantable-defibrillator-therapy
#4
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
#5
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/27763694/feasibility-of-defibrillation-and-pacing-without-transvenous-leads-in-a-combined-micra-and-s-icd-system-following-lead-extraction
#6
Jay A Montgomery, Jody M Orton, Christopher R Ellis
No abstract text is available yet for this article.
October 20, 2016: Journal of Cardiovascular 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
#7
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
#8
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)...
October 13, 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
#9
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...
October 13, 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/27734502/concomitant-use-of-the-subcutaneous-implantable-cardioverter-defibrillator-and-a-permanent-pacemaker
#10
Jason Huang, Kristen K Patton, Jordan M Prutkin
BACKGROUND: The subcutaneous implantable cardioverter defibrillator (S-ICD) is a novel implanted defibrillator for the prevention of sudden cardiac death that avoids intravascular access. Use of this device is limited by its inability to provide backup pacing. Combined use of the S-ICD with a permanent pacemaker may be the optimal choice in certain situations though experience with the use of both devices together remains limited. METHODS: We reviewed our single-center experience with the S-ICD from March 2011 to November 2015...
November 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27695509/subcutaneous-implantable-cardioverter-defibrillator-s-icd-for-secondary-prevention-of-sudden-cardiac-death
#11
Maciej Kempa, Szymon Budrejko, Grzegorz Raczak
No abstract text is available yet for this article.
October 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27645220/epicardial-crt-p-and-s-icd-implantation-in-a-young-patient-with-persistent-left-superior-vena-cava
#12
Julia W Erath, Abdul Sami Sirat, Mate Vamos, Stefan H Hohnloser
Persistent left superior vena cava is known to be a challenging anatomic abnormality for transvenous cardiac device implantation. In the a case of a young man presenting with dilative cardiomyopathy with severely impaired left ventricular ejection fraction (LVEF) and second-degree atrioventricular block (AV block), cardiac resynchronization therapy (CRT) with defibrillator (CRT-D) implantation was indicated. A transvenous approach was attempted, but placement of the right ventricular lead was not successful due to anatomic abnormalities...
September 19, 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/27640893/monitored-anesthesia-care-for-subcutaneous-cardioverter-defibrillator-implantation-a-single-center-experience
#13
Michael K Essandoh, Andrew J Otey, Mahmoud Abdel-Rasoul, Erica J Stein, Katja R Turner, Nicholas C Joseph, Emile G Daoud
BACKGROUND: To date, general anesthesia has been suggested as the preferred approach for implantation of a subcutaneous implantable cardioverter-defibrillator (S-ICD). The purpose of this study was to assess the use of monitored anesthesia care (MAC) for S-ICD implantation. The goals were to assess adequate sedation and analgesia (efficacy endpoints) and major perioperative airway or hemodynamic compromise (safety endpoints). The authors hypothesized that MAC may provide adequate sedation and analgesia and no major perioperative airway or hemodynamic compromise during S-ICD implantation and multiple defibrillation threshold (DFT) testing...
October 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/27603935/trends-and-in-hospital-outcomes-associated-with-adoption-of-the-subcutaneous-implantable-cardioverter-defibrillator-in-the-united-states
#14
Daniel J Friedman, Craig S Parzynski, Paul D Varosy, Jordan M Prutkin, Kristen K Patton, Ali Mithani, Andrea M Russo, Jeptha P Curtis, Sana M Al-Khatib
Importance: Trends and in-hospital outcomes associated with early adoption of the subcutaneous implantable cardioverter defibrillator (S-ICD) in the United States have not been described. Objectives: To describe early use of the S-ICD in the United States and to compare in-hospital outcomes among patients undergoing S-ICD vs transvenous (TV)-ICD implantation. Design, Setting, and Participants: A retrospective analysis of 393 734 ICD implants reported to the National Cardiovascular Data Registry ICD Registry, a nationally representative US ICD registry, between September 28, 2012 (US Food and Drug Administration S-ICD approval date), and March 31, 2015, was conducted...
November 1, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27582309/implantation-of-subcutaneous-implantable-cardioverter-defibrillators-in-europe-results-of-the-european-heart-rhythm-association-survey
#15
Serge Boveda, Radoslaw Lenarczyk, Kristina Haugaa, Stefano Fumagalli, Antonio Hernandez Madrid, Pascal Defaye, Paul Broadhurst, Nikolaos Dagres
AIMS: The purpose of this European Heart Rhythm Association (EHRA) survey is to provide an overview of the current use of subcutaneous cardioverter defibrillators (S-ICDs) across a broad range of European centres. METHODS AND RESULTS: A questionnaire was sent via the internet to centres participating in the EHRA electrophysiology research network. Questions included standards of care and policies used for patient management, indications, and techniques of implantation of the S-ICDs...
September 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27548370/failed-maximal-defibrillation-threshold-testing-in-the-subcutaneous-implantable-cardioverter-defibrillator
#16
Joshua D Levine, C Ellins, N Winn, Robert Kim, Steve S Hsu, John N Catanzaro
The subcutaneous implantable cardioverter defibrillator (S-ICD) registry included very few patients with a body mass index (BMI) greater than 40. We present a case of a 40-year-old male with a BMI of 44 and ejection fraction of 25% who underwent S-ICD implantation for primary prevention of sudden cardiac death in the setting of a nonischemic cardiomyopathy. Defibrillation threshold (DFT) testing failed at high output. A posterior to anterior radiograph demonstrated migration of the components despite positioning under fluoroscopy...
August 23, 2016: Cardiology
https://www.readbyqxmd.com/read/27372039/ecg-predictors-of-t-wave-oversensing-in-subcutaneous-implantable-cardioverter-defibrillators
#17
D G Wilson, G Leventigiannis, C Barr, J M Morgan
BACKGROUND: T wave oversensing (TWOS) is the commonest cause of inappropriate shocks in subcutaneous implantable cardioverter defibrillators (S-ICDs). We hypothesise that predictors of TWOS can be derived from surface ECG parameters. METHODS: In a cohort of SICD recipients in two UK centres, all patients who had TWOS (study group) were compared to all those who had not (control group). The pre-implant screen was scanned and the R wave, T wave amplitudes, QRS interval, time to peak T wave, QT interval and R:T ratio was measured using digital callipers...
October 1, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27354870/intermuscular-pocket-for-subcutaneous-implantable-cardioverter-defibrillator-single-center-experience
#18
Paola Ferrari, Fabrizio Giofrè, Paolo De Filippo
The subcutaneous implantable cardioverter defibrillator (S-ICD) is a novel device now accepted in clinical practice for treating ventricular arrhythmias. In 14 consecutive patients, S-ICD devices were placed in the virtual space between the anterior surface of the serratus anterior muscle and the posterior surface of the latissimus dorsi muscle. During a mean follow up of 9 months, no dislocations, infections, hematoma formations, or skin erosions were observed. Intermuscular implantation of the S-ICD could be a reliable, safe, and appealing alternative to the standard subcutaneous placement...
June 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27354862/clinical-and-electrocardiographic-predictors-of-t-wave-oversensing-in-patients-with-subcutaneous-icd
#19
Mikhael F El-Chami, Bernard Harbieh, Mathew Levy, Angel R Leon, Faisal M Merchant
BACKGROUND: T wave oversensing (TWOS) is a major drawback of the subcutaneous implantable cardioverter defibrillator (S-ICD). Data on predictors of TWOS in S-ICD recipients are limited. We sought to investigate predictors of TWOS in a cohort of patients receiving an S-ICD at our institution. METHODS: S-ICD recipients at our center were identified retrospectively and stratified based on the presence or absence of TWOS. Clinical and electrocardiographic parameters were collected and compared between the 2 groups...
June 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27353211/a-comparison-of-the-quality-of-life-of-patients-with-an-entirely-subcutaneous-implantable-defibrillator-system-versus-a-transvenous-system-from-the-effortless-s-icd-quality-of-life-substudy
#20
Susanne S Pedersen, Mirjam H Mastenbroek, Nathan Carter, Craig Barr, Petr Neuzil, Marcoen Scholten, Pier D Lambiase, Lucas Boersma, Jens B Johansen, Dominic A M J Theuns
The first clinical results from the Evaluation of Factors Impacting Clinical Outcome and Cost Effectiveness of the subcutaneous implantable cardioverter defibrillator (EFFORTLESS S-ICD) Registry on the entirely S-ICD system are promising, but the impact of the S-ICD system on patients' quality of life (QoL) is not known. We evaluated the QoL of patients with an S-ICD against an unrelated cohort with a transvenous (TV)-ICD system during 6 months of follow-up. Consecutively implanted patients with an S-ICD system were matched with patients with a TV-ICD system on a priori selected variables including baseline QoL...
August 15, 2016: American Journal of Cardiology
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