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Implantable cardiac defibrillators

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https://www.readbyqxmd.com/read/29457358/crt-survey-ii-a-european-society-of-cardiology-survey-of-cardiac-resynchronisation-therapy-in-11-088-patients-who-is-doing-what-to-whom-and-how
#1
Kenneth Dickstein, Camilla Normand, Angelo Auricchio, Nigussie Bogale, John G Cleland, Anselm K Gitt, Christoph Stellbrink, Stefan D Anker, Gerasimos Filippatos, Maurizio Gasparini, Gerhard Hindricks, Carina Blomström Lundqvist, Piotr Ponikowski, Frank Ruschitzka, Giovanni Luca Botto, Alan Bulava, Gabor Duray, Carsten Israel, Christophe Leclercq, Peter Margitfalvi, Óscar Cano, Chris Plummer, Nedim Umutay Sarigul, Maciej Sterlinski, Cecilia Linde
BACKGROUND: Cardiac resynchronisation therapy (CRT) reduces morbidity and mortality in appropriately selected patients with heart failure and is strongly recommended for such patients by guidelines. A European Society of Cardiology (ESC) CRT survey conducted in 2008-2009 showed considerable variation in guideline adherence and large individual, national and regional differences in patient selection, implantation practice and follow-up. Accordingly, two ESC associations, the European Heart Rhythm Association and the Heart Failure Association, designed a second prospective survey to describe contemporary clinical practice regarding CRT...
February 19, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29453324/incidence-and-predictors-of-perioperative-complications-with-transvenous-lead-extractions-real-world-experience-with-national-cardiovascular-data-registry
#2
Nitesh Sood, David T Martin, Rachel Lampert, Jeptha P Curtis, Craig Parzynski, Jude Clancy
BACKGROUND: Transvenous lead extraction is an integral part of management of patients with cardiovascular implantable electronic devices. Real-world incidence and predictors of perioperative complications in extractions involving implantable cardioverter-defibrillator leads have not been described in detail. METHODS AND RESULTS: Data from the National Cardiovascular Data Registry Implantable Cardioverter-Defibrillator Registry were analyzed. Lead extraction was defined as removal of leads implanted for >1 year...
February 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29452741/magic-angle-in-cardiac-ct-eliminating-clinically-relevant-metal-artifacts-in-pacemaker-leads-with-a-lead-tip-gantry-angle-of-%C3%A2-70%C3%A2
#3
Sebastian D Reinartz, Christiane K Kuhl, Kerstin Fehrenbacher, Andreas Napp
RATIONALE AND OBJECTIVE: To identify the influence of various parameters for reducing artifacts in computed tomography (CT) of commonly used pacemakers or implantable cardioverter-defibrillator (ICD) lead tips. MATERIALS AND METHODS: This ex vivo phantom study compared two CT techniques (Dual-Energy CT [DECT] vs. Dual-Source CT [DSCT]), as well as the influence of incremental alterations of current-time product and pacemaker lead-tip angle with respect to the gantry plane...
February 13, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29452360/the-role-of-transvenous-lead-extraction-in-the-management-of-redundant-or-malfunctioning-pacemaker-and-defibrillator-leads-post-electra
#4
Baldeep S Sidhu, Justin Gould, Benjamin Sieniewicz, Bradley Porter, Christopher A Rinaldi
Cardiac implantable electronic devices implantation rates have increased over the past decade due to broader indications and an ageing population. Similarly, device and lead complications have also risen. The management of pacemaker/defibrillator leads that are no longer required (redundant) or malfunctioning, can be contentious. There is a need to balance the risk of transvenous lead extraction (TLE) against those of lead abandonment. The recently published European Lead Extraction ConTRolled Registry (ELECTRa) study provides contemporary outcomes for TLE across Europe with important implications for the management of redundant and/or malfunctioning leads...
February 14, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29447783/representation-of-black-patients-in-randomized-clinical-trials-of-heart-failure-with-reduced-ejection-fraction
#5
REVIEW
Lonnie T Sullivan, Tiffany Randolph, Peter Merrill, Larry R Jackson, Chidiebube Egwim, Monique A Starks, Kevin L Thomas
BACKGROUND: Black individuals have a disproportionately higher burden of heart failure with reduced ejection fraction (HFrEF) relative to other racial and ethnic populations. We conducted a systematic review to determine the representation, enrollment trends, and outcomes of black patients in historic and contemporary randomized clinical trials (RCTs) for HFrEF. METHODS: We searched PubMed and Embase for RCTs of patients with chronic HFrEF that evaluated therapies that significantly improved clinical outcomes...
March 2018: American Heart Journal
https://www.readbyqxmd.com/read/29445060/clinical-usefulness-of-wearable-cardioverter-defibrillator-wcd-and-current-understanding-of-its-clinical-indication-in-japan
#6
Shinichi Niwano, Yukio Sekiguchi, Yosuke Ishii, Yuki Iwasaki, Ritsushi Kato, Hideo Okamura, Masahiko Takagi, Takashi Kurita, Takashi Nitta
Prevention of sudden cardiac death (SCD) has become an important issue in today's cardiovascular field, together with various developments in secondary prevention of basic cardiac diseases. The importance of the implantable cardioverter defibrillator (ICD) is now widely accepted because it has exhibited significant improvement in patients' prognoses in ischemic and non-ischemic cardiovascular diseases. However, there is an unignorable gap between the ICD indication in the guidelines and real-world high-risk patients for SCD, especially in the acute recovery phase of cardiac injury...
February 14, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29445055/an-inappropriate-shock-case-early-after-implantation-of-a-subcutaneous-cardiac-defibrillator-by-subcutaneous-entrapped-air
#7
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
https://www.readbyqxmd.com/read/29442199/multisite-cardiac-resynchronization-therapy-for-traditional-and-non-traditional-indications
#8
Avishag Laish-Farkash, Sharon Bruoha, Vladimir Khalameizer, Chaim Yosefy, Yoav Michowitz, Mahmoud Suleiman, Amos Katz
PURPOSE: Multisite cardiac resynchronization therapy (MSCRT) with dual-vein left ventricular (LV) pacing has theoretical advantages over conventional CRT in faster and more physiological LV activation. We aimed to define indications, feasibility, safety, acute, and long-term results of MSCRT. METHODS: All patients implanted with MSCRT during 2008-2014 in a single center were reviewed and analyzed. RESULTS: Thirty-nine patients (90% CRT-defibrillators, 64 ± 9 years, 85% male, 74% ischemic etiology) were included...
February 13, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29439300/angiovac-system-used-as-an-adjunct-treatment-for-intra-cardiac-lead-and-valvular-vegetations
#9
Vishesh Kumar, Shahbaz A Malik, Maryam Sheikh, Adam Stys
Infections are known complications of cardiovascular implantable electronic devices (CIEDs). We describe a case of a 62-year-old male who presented with pulseless electrical activity (PEA) cardiac arrest and respiratory failure. He had a history of cardiac resynchronization device and defibrillator (CRT-D) implantation for nonischemic cardiomyopathy. After resuscitation, he was found to have methicillin sensitive Staphylococcus aureus (MSSA) bacteremia on blood culture and large vegetations on the CRT-D lead and tricuspid valve found on echocardiography...
January 2018: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/29437742/implantable-cardioverter-defibrillators-in-the-context-of-hypertrophic-cardiomyopathy-a-lesson-in-patient-autonomy
#10
Jonathan James Hyett Bray, Chiara Bucciarelli-Ducci, Graham Stuart
Hypertrophiccardiomyopathy (HCM) is common, whereas the decision not to have an implantable cardioverterdefibrillator (ICD) when probably falling into a 'high-risk' category is not. A solicitor aged 45 years attended the inherited cardiac conditions clinic for review of her HCM and discussion about ICD implantation for primary prevention of sudden cardiac death (SCD). Despite a predicted 7% risk of SCD within the next 5 years, according to the European Society of Cardiology endorsed HCM Risk-SCD risk stratification tool, the patient opted against implantation of an ICD and comprehensively justifies her decision...
February 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29433943/selection-of-the-best-of-2017-on-cardiac-pacing-magnetic-resonance-in-patients-with-pacemaker-and-implantable-defibrillator
#11
María José Sancho-Tello de Carranza, Óscar Cano Pérez, Joaquín Osca Asensi, Diego Lorente Carreño, Marta Pombo Jiménez, María Luisa Fidalgo Andrés
No abstract text is available yet for this article.
February 9, 2018: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29432525/factors-influencing-the-use-of-subcutaneous-or-transvenous-implantable-cardioverter-defibrillators-results-of-the-european-heart-rhythm-association-prospective-survey
#12
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
https://www.readbyqxmd.com/read/29431527/role-of-cardiac-electronic-implantable-device-in-the-stratification-and-management-of-embolic-risk-of-silent-atrial-fibrillation-are-all-atrial-fibrillations-created-equal
#13
Andrea Di Cori, Alessio Lilli, Giulio Zucchelli, Valerio Zaca
Ischemic strokes may be associated with atrial fibrillation (AF). AF detection is critical in ischemic stroke survivors, often recommending a switch from antiplatelet therapy to oral anticoagulants for secondary prevention. Areas covered: Cardiac implantable electronic devices (CIED) with their long-term recording capability allows to document AF and to quantify the arrhythmia burden. Recent series in pacemaker and implantable cardioverter-defibrillator (ICD) recipients with no prior stroke showed that short episodes of AF increased stroke risk compared with those without AF recorded...
February 12, 2018: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29431384/cardiomyopathy-an-overview
#14
Jay Brieler, Matthew A Breeden, Jane Tucker
The definition and classification of cardiomyopathy have evolved considerably in recent years. Cardiomyopathy can be separated into primary (genetic, mixed, or acquired) and secondary categories, which result in varied phenotypes including dilated, hypertrophic, and restrictive patterns. Hypertrophic cardiomyopathy is the most common primary cardiomyopathy and can cause exertional dyspnea, presyncope, atypical chest pain, heart failure, and sudden cardiac death. Dilated cardiomyopathy can be genetic or acquired and typically presents with classic symptoms of heart failure with reduced ejection fraction...
November 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/29428143/causes-and-prevention-of-inappropriate-implantable-cardioverter-defibrillator-shocks
#15
REVIEW
Nitin Kulkarni, Mark S Link
Use of implantable cardioverter-defibrillators as a primary prevention therapy has been shown to reduce mortality in patients after cardiac arrest and also with left ventricular systolic dysfunction. Yet, inappropriate shocks are variably reported and associated with a reduction in quality of life. Inappropriate shocks are the result of environmental causes leading to electromagnetic interference and inappropriate sensing of external noise, device-related causes from inappropriate sensing of physiologic or pathologic signals, and supraventricular arrhythmias...
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29428136/important-parameters-for-implantable-cardioverter-defibrillator-selection
#16
REVIEW
Nath Zungsontiporn, Michael Loguidice, James Daniels
The efficacy of implantable cardioverter defibrillators in reducing the risk of sudden cardiac death has been well established by several clinical trials. Several factors relating to device characteristics, patient attributes, and comorbidities should be considered when selecting the appropriate implantable cardioverter defibrillators for each patient. This review examines some of these issues.
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29428131/use-of-the-wearable-cardioverter-defibrillator-as-a-bridge-to-implantable-cardioverter-defibrillator
#17
REVIEW
Jonathan Weinstock
The wearable cardioverter defibrillator has been shown to be effective in terminating ventricular arrhythmias in patients at risk for sudden cardiac death. There are numerous scenarios in which implant of a permanent implantable cardioverter defibrillator is temporarily contraindicated or not advisable and a wearable cardioverter defibrillator may be beneficial. There are no prospective randomized studies published that provide conclusive guidance toward the use of the wearable cardioverter defibrillator, and thus, patient management needs to be individualized based on the available data...
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29425569/significant-impact-of-electrical-storm-on-mortality-in-patients-with-structural-heart-disease-and-an-implantable-cardiac-defibrillator
#18
Takashi Noda, Takashi Kurita, Takashi Nitta, Yasutaka Chiba, Hiroshi Furushima, Naoki Matsumoto, Takeshi Toyoshima, Akihiko Shimizu, Hideo Mitamura, Ken Okumura, Tohru Ohe, Yoshifusa Aizawa
BACKGROUND: Electrical storm (E-Storm), defined as multiple episodes of ventricular arrhythmias within a short period of time, is an important clinical problem in patients with an implantable cardiac defibrillator (ICD) including cardiac resynchronization therapy devices capable of defibrillation. The detailed clinical aspects of E-Storm in large populations especially for non-ischemic dilated cardiomyopathy (DCM), however, remain unclear. OBJECTIVE: This study was performed to elucidate the detailed clinical aspects of E-Storm, such as its predictors and prevalence among patients with structural heart disease including DCM...
March 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29425552/sex-related-differences-in-chronic-heart-failure
#19
Alberto Aimo, Giuseppe Vergaro, Andrea Barison, Silvia Maffei, Chiara Borrelli, Doralisa Morrone, Matteo Cameli, Alberto Palazzuoli, Giuseppe Ambrosio, Stefano Coiro, Ketty Savino, Elisabetta Cerbai, Rossella Marcucci, Roberto Pedrinelli, Luigi Padeletti, Claudio Passino, Michele Emdin
The prevalence of chronic heart failure (CHF) is steadily increasing. Both sexes are affected, with significant differences in etiology, epidemiology and clinical presentation, prognosis, comorbidities, and response to treatment. Women tend to develop CHF at a more advanced age, present more often with HF with preserved ejection fraction, are more symptomatic, and have a worse quality of life than men, but also a better prognosis. In women, CHF has more frequently a non-ischemic etiology, and arterial hypertension and diabetes mellitus are leading comorbidities...
March 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29422952/gender-differences-in-the-use-of-primary-prevention-icds-in-new-zealand-patients-with-heart-failure
#20
Khang-Li Looi, Karishma Sidhu, Lisa Cooper, Liane Dawson, Debbie Slipper, Andrew Gavin, Nigel Lever
Objective: Women have been under-represented in randomised clinical trials for primary prevention implantable cardioverter defibrillators (ICDs), and there are concerns about the efficacy of devices between genders. Our study aimed to investigate gender differences in the use of primary prevention ICD in patients with heart failure from the northern region of New Zealand. Methods: Patients with heart failure with systolic dysfunction who received primary prevention ICD/cardiac resynchronisation therapy-defibrillator (CRT-D) in the northern region of New Zealand from 1 January 2007 to 1 June 2015 were included...
2018: Heart Asia
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