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Implantable cardioverter defibrillator

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https://www.readbyqxmd.com/read/29454139/implantation-of-the-subcutaneous-implantable-cardioverter-defibrillator-with-truncal-plane-blocks
#1
Marc A Miller, Himani V Bhatt, Menachem Weiner, Tom F Brouwer, Alexander J Mittnacht, Ali Shariat, Christina Jeng, Caroline Eden, Hung-Mo Lin, Benjamin Salter, Srinivas R Dukkipati, Vivek Y Reddy
No abstract text is available yet for this article.
February 14, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29453325/performance-of-the-2015-international-task-force-consensus-statement-risk-stratification-algorithm-for-implantable-cardioverter-defibrillator-placement-in-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy
#2
Gabriela M Orgeron, Anneline Te Riele, Crystal Tichnell, Weijia Wang, Brittney Murray, Aditya Bhonsale, Daniel P Judge, Ihab R Kamel, Stephan L Zimmerman, Harikrishna Tandri, Hugh Calkins, Cynthia A James
BACKGROUND: Ventricular arrhythmias are a feared complication of arrhythmogenic right ventricular dysplasia/cardiomyopathy. In 2015, an International Task Force Consensus Statement proposed a risk stratification algorithm for implantable cardioverter-defibrillator placement in arrhythmogenic right ventricular dysplasia/cardiomyopathy. METHODS AND RESULTS: To evaluate performance of the algorithm, 365 arrhythmogenic right ventricular dysplasia/cardiomyopathy patients were classified as having a Class I, IIa, IIb, or III indication per the algorithm at baseline...
February 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29453324/incidence-and-predictors-of-perioperative-complications-with-transvenous-lead-extractions-real-world-experience-with-national-cardiovascular-data-registry
#3
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
#4
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/29451505/-is-ejection-fraction-sufficient-to-establish-indication-for-cardioverter-defibrillator-implantation-in-heart-failure
#5
Marcello Disertori
No abstract text is available yet for this article.
January 2018: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29447783/representation-of-black-patients-in-randomized-clinical-trials-of-heart-failure-with-reduced-ejection-fraction
#6
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/29445468/routine-exercise-testing-could-not-predict-t-wave-oversensing-in-a-patient-after-a-subcutaneous-implantable-cardioverter-defibrillator-implant
#7
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
https://www.readbyqxmd.com/read/29445060/clinical-usefulness-of-wearable-cardioverter-defibrillator-wcd-and-current-understanding-of-its-clinical-indication-in-japan
#8
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/29445057/utility-of-fluid-assessment-based-on-the-intrathoracic-impedance-monitoring-in-a-peripartum-woman-with-heart-disease
#9
Atsushi Daimon, Chizuko A Kamiya, Masami Sawada, Yusuke Ueda, Chinami Horiuchi, Takekazu Miyoshi, Mitsuhiro Tsuritani, Naoko Iwanaga, Reiko Neki, Hideo Okamura, Shingo Kusano, Jun Yoshimatsu
Recently, implantable cardioverter-defibrillators (ICD) have become capable of monitoring intrathoracic impedance to detect an increased fluid volume and heart failure. Pregnancy is a well-known cause of an increased body fluid volume; however, it is not clear whether the measurement of intrathoracic impedance by ICD is clinically useful for precisely detecting heart failure in pregnant women. We herein report the case of a 39-year-old woman with an ICD that had been implanted after an event of ventricular fibrillation due to severe aortic regurgitation with a bicuspid aortic valve...
February 14, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29440186/long-term-outcome-of-substrate-modification-in-ablation-of-post-myocardial-infarction-ventricular-tachycardia
#10
Michael Wolf, Frédéric Sacher, Hubert Cochet, Takeshi Kitamura, Masateru Takigawa, Seigo Yamashita, Konstantinos Vlachos, Ghassen Cheniti, Antonio Frontera, Ruairidh Martin, Nathaniel Thompson, Grégoire Massoullié, Anna Lam, Claire Martin, Florent Collot, Josselin Duchateau, Thomas Pambrun, Arnaud Denis, Nicolas Derval, Mélèze Hocini, Michel Haïssaguerre, Pierre Jaïs
BACKGROUND: Long-term results of substrate modification for ablation of ventricular tachycardia (VT) have not been reported. We report long-term outcomes of substrate elimination targeting local abnormal ventricular activities (LAVA) for post-myocardial infarction VT. METHODS AND RESULTS: One hundred fifty-nine consecutive patients undergoing first ablation were included (65±11 years, 92% implantable cardioverter defibrillators, 54% storms, and 73% appropriate shocks)...
February 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29437742/implantable-cardioverter-defibrillators-in-the-context-of-hypertrophic-cardiomyopathy-a-lesson-in-patient-autonomy
#11
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/29435656/-management-of-inappropriate-shocks-t-wave-oversensing-in-s-icd%C3%A2-patients
#12
REVIEW
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
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
#13
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
#14
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
#15
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
#16
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/29428142/should-single-coil-implantable-cardioverter-defibrillator-leads-be-used-in-all-patients
#17
REVIEW
Fahad Almehmadi, Jaimie Manlucu
The historical preference for dual-coil implantable cardioverter defibrillator leads stems from high defibrillation thresholds associated with old device platforms. The high safety margins generated by contemporary devices have rendered the modest difference in defibrillation efficacy between single- and dual-coil leads clinically insignificant. Cohort data demonstrating worse lead extraction outcomes and higher all-cause mortality have brought the incremental utility of an superior vena cava coil into question...
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29428136/important-parameters-for-implantable-cardioverter-defibrillator-selection
#18
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/29428135/when-is-it-safe-not-to-reimplant-an-implantable-cardioverter-defibrillator-at-the-time-of-battery-depletion
#19
REVIEW
Sana M Al-Khatib, Daniel J Friedman, Gillian D Sanders
The implantable cardioverter defibrillator (ICD) is a life-saving therapy in various patient populations. Although data on the outcomes of initial ICD implants are abundant, data on ICD replacements, especially in patients with improved left ventricular (LV) function, are scarce. Therefore, it is not known when it is safe to not replace an ICD that has reached the end of battery life. This article reviews data on patients with primary prevention ICDs who have improvement in left ventricular ejection fraction during follow-up and provides some guidance, based on the available evidence, related to circumstances when replacement of an ICD may be forgone...
March 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29428133/implantable-cardioverter-defibrillator-implantation-with-or-without-defibrillation-testing
#20
REVIEW
Stephen Duffett, Imane El Hajjaji, Jaimie Manlucu, Raymond Yee
Defibrillation testing (DFT) during implantable cardioverter-defibrillator (ICD) implantation is still considered standard of care in some, but in increasingly fewer centers. The goal is to ensure that the device system functions as intended by testing in the controlled laboratory setting. Although safe, complications can occur and DFT is associated with an increased procedural time and cost. DFT is useful in assessing device function when programming changes or patient characteristics raise concerns regarding ICD efficacy...
March 2018: Cardiac Electrophysiology Clinics
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