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Lucas V A Boersma
No abstract text is available yet for this article.
May 1, 2018: International Journal of Cardiology
Serge Boveda, Tej Elbanet Chalbia, Sophie Jacob, Stéphane Combes, Nicolas Combes, Christelle Cardin, Guillaume Laborie, Maria Joao Sousa, Zeynab Jebberi, Sophia Mzoughi, Jean-Paul Albenque, Rui Providencia
BACKGROUND: Post-procedural recovery following sub-cutaneous ICD (S-ICD) implantation is feared to be more painful and to require more prolonged hospital admission. The purpose of this study was to compare peri-procedural and short clinical outcomes of the S-ICD vs. the Transvenous ICD (TV-ICD). METHODS: We conducted a single-center cross-sectional study including all consecutive patients who underwent S-ICD implantation by the same operator since January 2016 and a gender and age-matched control group with all single chamber TV-ICD implanted patients over a contemporary time period...
May 1, 2018: International Journal of Cardiology
Carmen Adduci, Francesca Palano, Pietro Francia
The trans-venous implantable cardioverter defibrillator (TV-ICD) is effective in treating life-threatening ventricular arrhythmia and reduces mortality in high-risk patients. However, there are significant short- and long-term complications that are associated with intravascular leads. These shortcomings are mostly relevant in young patients with long life expectancy and low risk of death from non-arrhythmic causes. Drawbacks of trans-venous leads recently led to the development of the entirely subcutaneous implantable cardioverter defibrillator (S-ICD)...
March 11, 2018: Journal of Clinical Medicine
Cindy You, Shishir Sharma, Aakash Bavishi, Christopher A Groh, Yazan Alia, Basil Saour, Rod Passman
BACKGROUND: Hemodialysis (HD) patients have a high risk of sudden death but limited vascular access and high complication rates from transvenous implantable cardioverter-defibrillators (ICDs). Subcutaneous ICDs (S-ICD) may be an alternative, but dynamic ECG changes may result in inappropriate shocks. This study aims to define the screen failure rate for S-ICD in patients pre- and post-HD. METHODS: ECG waveforms were obtained using electrodes mimicking the S-ICD sensing vectors in an unselected test group of chronic HD patients and a control group of ICD-eligible non-dialysis patients...
March 10, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
Pietro Francia, Matteo Ziacchi, Paolo De Filippo, Stefano Viani, Antonio D'Onofrio, Vincenzo Russo, Carmen Adduci, Mauro Biffi, Paola Ferrari, Valter Bianchi, Ernesto Ammendola, Francesca Palano, Jessica Frisoni, Sergio Valsecchi, Mariolina Lovecchio, Maria Grazia Bongiorni
PURPOSE: Since subcutaneous implantable cardioverter defibrillator (S-ICD) introduction, the pre-implant screening based on a dedicated manual ECG tool (MST) was required to assure adequate sensing by the S-ICD. A novel automated screening tool (AST) has been recently developed. We assessed and compared the pass rate with AST and MST, and we measured the agreement between screening tools. METHODS: Three electrodes were positioned at locations mimicking the placement of the S-ICD, and ECG recordings were collected in the supine and standing postures at rest...
March 3, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
Andrea Droghetti, Erika Basso Ricci, Paolo Scimia, Fabiola Harizai, Massimiliano Marini
BACKGROUND: The standard technique for implanting a subcutaneous defibrillator (S-ICD) requires three incisions and the pocket of the device is created in the subcutaneous tissue of the left lateral thoracic wall. However, a two-incision technique may be adopted, in which the cranial parasternal region is avoided and the device is positioned more deeply, completely under the latissimus dorsi muscle. This can also be combined with Ultrasound-Guided Serratus Anterior Plane Block (US-SAPB) for intraoperative anesthesia and perioperative analgesia...
March 1, 2018: Pacing and Clinical Electrophysiology: PACE
Shu C Chang, Kristen K Patton, Melissa R Robinson, Jeanne E Poole, Jordan M Prutkin
BACKGROUND: The subcutaneous implantable cardioverter-defibrillator (S-ICD) requires pre-implant screening to ensure appropriate sensing and reduce risk of inappropriate shocks. Screening can be performed using either an ICD programmer or a 12 lead ECG machine. It is unclear whether differences in signal filtering and digital sampling change the screening success rate. METHODS: Subjects were recruited if they had a transvenous single lead ICD without pacing requirements or were candidates for a new ICD...
February 24, 2018: Pacing and Clinical Electrophysiology: PACE
K P Letsas, S Xydonas, N Karamichalakis, M Efremidis, D Manolatos, G Bazoukis, D Asvestas, K Vlachos, S Georgopoulos, A Saplaouras, J Winter, A Sideris
BACKGROUND: The conventional technique for subcutaneous implantable cardioverter-defibrillator (S-ICD) implantation has been associated with pocket complications. The aim of this study was to evaluate the efficacy and safety of an alternative intermuscular technique for S‑ICD implantation. METHODS: S-ICDs were implanted in ten consecutive patients (ten males, mean age: 46.8 ± 14.7 years). The pocket for the pulse generator was made above the serratus anterior muscular fascia and beneath the latissimus dorsi muscle by detaching the fibrous tissue between the muscles...
February 21, 2018: Herz
Daniel J Friedman, Craig S Parzynski, E Kevin Heist, Andrea M Russo, Joseph G Akar, James V Freeman, Jeptha P Curtis, Sana M Al-Khatib
Background -Compared to transvenous (TV) implantable cardioverter defibrillators (ICD), subcutaneous (S) ICDs require a higher energy for effective defibrillation. Although ventricular fibrillation (VF) conversion testing (CT) is recommended after S-ICD implantation to ensure an adequate margin between the defibrillation threshold and maximum device output (80J), prior work found that adherence to this recommendation is declining. Methods -We studied first time S-ICD recipients (between September 28, 2012 and April 1, 2016) in the National Cardiovascular Database Registry ICD Registry to determine: predictors of use of CT, predictors of an insufficient safety margin (ISM, defined as VF conversion energy >65J) during testing, and in-hospital outcomes associated with use of CT...
February 20, 2018: Circulation
Anne-Floor B E Quast, Fleur V Y Tjong, Brendan E Koop, Arthur A M Wilde, Reinoud E Knops, Martin C Burke
Aims: The development of communicating modular cardiac rhythm management systems relies on effective intrabody communication between a subcutaneous implantable cardioverter-defibrillator (S-ICD) and a leadless pacemaker (LP), using conducted communication. Communication success is affected by the LP and S-ICD orientation. This study is designed to evaluate the orientation of the LP and S-ICD in canine subjects and measure success and threshold of intrabody communication. To gain more human insights, we will explore device orientation in LP and S-ICD patients...
February 14, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Krzysztof Ozierański, Marcin Michalak, Agata Tymińska, Paweł Balsam, Marcin Grabowski
No abstract text is available yet for this article.
2018: Kardiologia Polska
Shozo Konishi, Hitoshi Minamiguchi, Kentaro Ozu, Hiroya Mizuno, Shungo Hikoso, Osamu Yamaguchi, Yasushi Sakata
Subcutaneous implantable cardioverter-defibrillators (S-ICDs) are susceptible to T-wave oversensing (TWOS) caused by high rate-dependent QRS-T morphology changes. We experienced an inappropriate S-ICD shock due to TWOS, which could not be predicted by routine exercise testing. A newly available high-pass filter might be effective for avoiding this.
February 2018: Clinical Case Reports
Yuka Taguchi, Toshiyuki Ishikawa, Katsumi Matsumoto, Yutaka Ogino, Hirooki Matsushita, Kohei Iguchi, Junya Hosoda
A 17-year-old woman was resuscitated from cardiac arrest due to ventricular fibrillation and was diagnosed with concealed long QT syndrome. She underwent subcutaneous implantable cardiac defibrillator (S-ICD) implantation at our hospital. The device electrogram immediately after implantation was normal. Four days after implantation, she received an inappropriate shock. The device interrogation revealed a continuous baseline shift and frequent oversensing for low amplitude signals, followed by a shock. A chest radiograph in the orthogonal view showed entrapped subcutaneous air surrounding the distal electrode...
February 14, 2018: International Heart Journal
Robert Larbig, Markus Bettin, Lukas J Motloch, Alicia Fischer, Niklas Bode, Gerrit Frommeyer, Florian Reinke, Andreas Loeher, Lars Eckardt, Julia Köbe
Inappropriate shocks are a feared complication after implantable cardioverter-defibrillator (ICD) implantation and have a tremendous impact on quality of life. Inappropriate shocks in patients with subcutaneous ICD (S-ICD®, Boston Scientific, Marlborough, MA, USA) have various underlying causes. This review summarizes the current literature on this topic and lists possible treatment options.
February 12, 2018: Herzschrittmachertherapie & Elektrophysiologie
Serge Boveda, Radoslaw Lenarczyk, Stefano Fumagalli, Roland Tilz, Kinga Goscinska-Bis, Maciej Kempa, Pascal Defaye, Christelle Marquié, Alessandro Capucci, Laura Ueberham, Nikolaos Dagres
The purpose of this European Heart Rhythm Association (EHRA) prospective snapshot survey is to provide an overview of the factors influencing patient selection for the implantation of a particular type of device: subcutaneous implantable cardioverter-defibrillator (S-ICD) or transvenous implantable cardioverter-defibrillator (TV-ICD), across a broad range of tertiary European centres. A specially designed electronic questionnaire was sent via the internet to tertiary reference centres routinely implanting both TV-ICDs and S-ICDs...
February 8, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Asim S Ahmed, Parin J Patel, Shiv Bagga, Jasen L Gilge, Thomas Schleeter, Baqir A Lakhani, Ashwin K Ravichandran, Steve Donnelley, Venu Allavatam, Eric N Prystowsky, Benzy J Padanilam
A 25-year-old man with severe non-ischemic dilated cardiomyopathy underwent subcutaneous implantable cardioverter defibrillator (S-ICD) implant and subsequently underwent Heartware ventricular assist device (HVAD) placement. Post-operative interrogation revealed both primary and secondary S-ICD vectors inappropriately regarded sinus rhythm as "noise," and the alternate vector significantly under-sensed sinus rhythm. The S-ICD was re-interrogated using high resolution capture to visually confirm EMI with a dominant frequency in both the primary and secondary vectors of 46...
January 24, 2018: Journal of Cardiovascular Electrophysiology
Maciej Kempa, Szymon Budrejko, Grzegorz Sławiński, Tomasz Królak, Ewa Lewicka, Grzegorz Raczak
BACKGROUND AND AIM: Subcutaneous implantable cardioverter-defibrillator (S-ICD) is an effective and modern tool used to protect patients at risk of sudden cardiac death from potentially life-threatening ventricular arrhythmias. The first S-ICD systems were implanted in Poland in 2014, but since that time the national experience with that therapy has been limited. Our analysis summarizes the single-center experience at the Department of Cardiology and Electrotherapy of the Medical University of Gdansk with the use of S-ICD from the year 2014 to 2017...
January 19, 2018: Kardiologia Polska
Harsimran Saini, Aditya Saini, Jeannine Leffler, Steven Eddy, Kenneth A Ellenbogen
No abstract text is available yet for this article.
January 11, 2018: Pacing and Clinical Electrophysiology: PACE
Bandar Al-Ghamdi, Azam Shafquat, Nadiah Alruwaili, Shisamma Emmanual, Mohamed Shoukri, Yaseen Mallawi
Background: Subcutaneous implantable cardioverter defibrillator (S-ICD) system has been proven to be an effective therapy for prevention of sudden cardiac death (SCD) in selected patients. Although the Shockless IMPLant Evaluation (SIMPLE) trial has shown that defibrillation threshold (DFT) testing is not necessary for transvenous ICD (TV-ICD) systems, it is still recommended for S-ICD systems. We aimed to study the efficacy and safety of S-ICD implantation without DFT in our Heart Center with the comparison of S-ICD patients' outcome to those with a single chamber TV-ICD without DFT in the same period...
December 2017: Cardiology Research
Markus Bettin, Dirk Dechering, Gerrit Frommeyer, Robert Larbig, Andreas Löher, Florian Reinke, Julia Köbe, Lars Eckardt
OBJECTIVES: The subcutaneous implantable cardioverter defibrillator (S-ICD®) has been established as an alternative to conventional transvenous ICD for the prevention of sudden cardiac death. Initial studies have shown safety and efficacy of the system with a left parasternal (LP) electrode. However, several case studies reported a right parasternal (RP) position. The purpose of this study was to analyze shock efficacy and safety of an RP electrode position. METHODS: Between June 2010 and May 2016, 120 S-ICD® were implanted at our institution...
December 28, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
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