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Implantible Cardioverter Defibrillator

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https://www.readbyqxmd.com/read/29684191/importance-of-beta-blocker-dose-in-prevention-of-ventricular-tachyarrhythmias-heart-failure-hospitalizations-and-death-in-primary-prevention-implantable-cardioverter-defibrillator-recipients-a-danish-nationwide-cohort-study
#1
A C Ruwald, G H Gislason, M Vinther, J B Johansen, J C Nielsen, B T Philbert, C Torp-Pedersen, S Riahi, C Jøns
Aims: There is a paucity of studies investigating a dose-dependent association between beta-blocker therapy and risk of outcome. In a nationwide cohort of primary prevention implantable cardioverter-defibrillator (ICD) patients, we aimed to investigate the dose-dependent association between beta-blocker therapy and risk of ventricular tachyarrhythmias (VT/VF), heart failure (HF) hospitalizations, and death. Methods and results: Information on ICD implantation, endpoints, comorbidities, beta-blocker usage, type, and dose were obtained through Danish nationwide registers...
April 19, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29684162/lifemap-towards-the-development-of-a-new-technology-in-sudden-cardiac-death-risk-stratification-for-clinical-use
#2
Ghulam André Ng, Amar Mistry, Xin Li, Fernando S Schlindwein, William B Nicolson
Sudden cardiac death (SCD) is a major cause of mortality presenting a significant unmet clinical need. Patients at risk of SCD are implanted with implantable cardioverter-defibrillators (ICDs) according to international guidelines based on clinical trial evidence. Implantable cardioverter-defibrillators are not inexpensive and not without problem in terms of inappropriate shocks and infection risk. Also, only a minority of patients implanted with the ICD ever use the device during its battery lifetime highlighting the fact that methods used for SCD risk stratification are inadequate...
April 19, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29680972/prophylactic-catheter-ablation-of-ventricular-tachycardia-in-ischemic-cardiomyopathy-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#3
REVIEW
Varunsiri Atti, Venkat Vuddanda, Mohit K Turagam, Praveen Vemula, Zubair Shah, Himakar Nagam, Srikanth Yandrapalli, Mohammad-Ali Jazayeri, Scott Koerber, Juan Viles Gonzalez, Andrea Natale, Luigi Di Biase, Dhanunjaya R Lakkireddy
BACKGROUND: Catheter ablation is proven to be an effective strategy for drug refractory ventricular tachycardia (VT) in ischemic cardiomyopathy. However, the appropriate timing of VT ablation and identifying the group of patients that may receive the greatest benefit remains uncertain. There is limited data on the effect on prophylactic catheter ablation (PCA) in the prevention of implantable cardioverter defibrillator (ICD) therapy, electrical storm, and mortality. METHODS: We performed a comprehensive literature search through November 1, 2017, for all eligible studies comparing PCA + ICD versus ICD only in eligible patients with ischemic cardiomyopathy...
April 21, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29680351/the-prognostic-value-of-late-gadolinium-enhanced-cardiac-magnetic-resonance-imaging-in-nonischemic-dilated-cardiomyopathy-a-review-and-meta-analysis
#4
Marthe A J Becker, Jan H Cornel, Peter M van de Ven, Albert C van Rossum, Cornelis P Allaart, Tjeerd Germans
OBJECTIVES: This review and meta-analysis reviews the prognostic value of cardiac magnetic resonance (CMR) in nonischemic dilated cardiomyopathy (DCM). BACKGROUND: Late gadolinium-enhanced (LGE) CMR is a noninvasive method to determine the underlying cause of DCM and previous studies reported the prognostic value of the presence of LGE to identify patients at risk of major adverse cardiovascular events. METHODS: PubMed was searched for studies describing the prognostic implication of LGE in patients with DCM for the specified endpoints cardiovascular mortality, major ventricular arrhythmic events including appropriate implantable cardioverter-defibrillator therapy, rehospitalization for heart failure, and left ventricular reverse remodeling...
April 13, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29678782/early-feasibility-of-hypoglossal-nerve-upper-airway-stimulator-in-patients-with-cardiac-implantable-electronic-devices-and-continuous-positive-airway-pressure-intolerant-severe-obstructive-sleep-apnea
#5
Valay Parikh, Erica Thaler, Masanari Kato, M Boyd Gillespie, Shaun Nguyen, Kirk Withrow, David Calhoun, Ryan Soose, Damien Stevens, Suzanne Stevens, Chris Larsen, Madhu Reddy, Dhanunjaya Lakkireddy
BACKGROUND: Implantable hypoglossal nerve upper airway stimulation (HNS) is a novel, FDA approved strategy for management of moderate to severe obstructive sleep apnea(OSA) patients with continuous positive airway pressure (CPAP) therapy intolerance or failure. Due to proximity of Cardiac Implantable Electronic Devices (CIED) and this stimulator, interaction between these devices is theoretically possible. OBJECTIVE: The purpose of this study was to assess interactions between implantable hypoglossal nerve upper airway stimulator device and cardiac implantable electronic devices...
April 17, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29678779/experience-with-the-wearable-cardioverter-defibrillator-in-older-patients-results-from-the-prospective-registry-of-patients-using-the-wearable-cardioverter-defibrillator-wearit-ii-registry
#6
Usama A Daimee, Katherine Vermilye, Arthur J Moss, Ilan Goldenberg, Helmut U Klein, Scott McNitt, Wojciech Zareba, Valentina Kutyifa
BACKGROUND: Use of the wearable cardioverter-defibrillator (WCD) in older patients has not been described previously. OBJECTIVES: To assess WCD wear time, risk of arrhythmia events during WCD use, and implantable cardioverter-defibrillator (ICD) implantation rates following end of WCD use in patients with age ≥65 vs. <65 years. METHODS: We stratified 1,732 patients with ischemic and non-ischemic cardiomyopathies from the WEARIT-II registry into two sub-groups by age: ≥65 and <65 years...
April 17, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29678624/autonomic-cardiovascular-control-and-cardiac-arrhythmia-in-two-pregnant-women-with-hypertrophic-cardiomyopathy-insights-from-icd-monitoring
#7
Pietro Francia, Carmen Adduci, Beatrice Musumeci, Lorenzo Semprini, Francesca Palano, Luigi Zezza, Massimo Volpe, Camillo Autore
In women with hypertrophic cardiomyopathy (HCM), pregnancy prompts major changes in hemodynamic and cardiac autonomic function that may precipitate heart failure (HF) or increase the risk of cardiac arrhythmia. We report the clinical follow-up of two patients with non-obstructive HCM implanted with a cardioverter defibrillator (ICD) allowing for continuous analysis of heart rate (HR), heart rate variability (HRV) and cardiac arrhythmia throughout the entire course of pregnancy. Both patients experienced increased HR and decreased HRV from the early stages of pregnancy, which persisted until delivery...
April 17, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29678335/arrhythmic-risk-stratification-in-patients-with-idiopathic-dilated-cardiomyopathy
#8
Davide Stolfo, Nicole Ceschia, Massimo Zecchin, Antonio De Luca, Marco Gobbo, Giulia Barbati, Marta Gigli, Marco Masè, Bruno Pinamonti, Alberto Pivetta, Marco Merlo, Gianfranco Sinagra
Arrhythmic risk stratification in idiopathic dilated cardiomyopathy (IDC) remains a major concern. As the ventricles remodel in time, risk factors for arrhythmic death may change. A cohort of 710 patients with idiopathic dilated cardiomyopathy, without previous ventricular arrhythmias, was retrospectively studied to understand how risks vary in time. The primary end point was a composite of sudden cardiac death, ventricular fibrillation, sustained ventricular tachycardia, and appropriate implantable cardioverter-defibrillator interventions...
March 14, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29673607/impact-of-a-hybrid-decision-support-system-to-improve-the-adherence-to-implantable-cardioverter-defibrillator-therapy-guidelines-for-primary-prevention-of-sudden-cardiac-death
#9
Nicolás Vecchio, Diego Belardi, Mariano Benzadón, Leonardo Seoane, Gustavo Daquarti, Fernando Scazzuso
OBJECTIVES: Despite the well-documented benefit of implantable cardioverter defibrillator (ICD) in patients with severe left ventricular dysfunction, there is a large number of patients who had not been offered this therapy. The aim of this study is to evaluate the utility of a hybrid decision support system (hCDSS) to improve the adherence to indicate ICD therapy in our institution. METHODS: We conducted a retrospective, observational and single-center study. An hCDSS focused on patients with severe deterioration of the left ventricular function was implemented, creating a mandatory field containing the value of left ejection fraction and three options to choose: >35%, ≤ 35% or unknown...
June 2018: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29671882/electrocardiography-scar-quantification-correlates-with-scar-size-of-hypertrophic-cardiomyopathy-seen-by-multidetector-computed-tomography
#10
Tiago Costa Bignoto, Dalmo Antônio Ribeiro Moreira, Ricardo Garbe Habib, Edileide de Barros Correia, Ricardo Carneiro Amarante, Tannas Jatene, Mario Barbosa Guedes Nunes, Tiago Senra, Luiz Eduardo Mastrocolla
BACKGROUND: Hypertrophic cardiomyopathy (HCM), a genetically transmitted disease, is the most common genetic cardiovascular disease. Current strategies to stratify risk are expensive and concentrated in wealthy centers. Twelve-lead electrocardiography (ECG) is inexpensive and universally available and can be readily used for Selvester QRS scoring, which estimates scar size. This study aimed to establish the relation between ECG scar quantification and myocardial fibrosis (extent of myocardial delayed enhancement) in multidetector computed tomography (MDCT)...
April 19, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29668588/a-delayed-diagnosis-of-catecholaminergic-polymorphic-ventricular-tachycardia-with-a-mutant-of-ryr2-at-c-7580t-g-for-6-years-in-a-9-year-old-child
#11
Hongyu Duan, Yongyi Lu, Song Yan, Lina Qiao, Yimin Hua, Yifei Li, Kaiyu Zhou, Chuan Wang
RATIONALE: Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare but potentially lethal inherited arrhythmia syndrome induced by adrenergic stress. Due to the atypical clinical manifestations in early age, limited recognition and experience of pediatric cardiologists, and low awareness of the significance of genetic diagnosis in some underdeveloped areas in China, a delayed or missed diagnosis of CPVT in children is common and concerning. PATIENT CONCERNS: A 9-year and 3-month male child with recurrent exercise-induced syncope accompanied by convulsion was initially misdiagnosed as epilepsy since the first manifestation at the age of 3 years...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29667218/early-repolarization-is-involved-in-ventricular-fibrillation-in-patients-with-variant-angina
#12
Tetsuji Shinohara, Hidekazu Kondo, Akira Fukui, Hidefumi Akioka, Yasushi Teshima, Kunio Yufu, Mikiko Nakagawa, Naohiko Takahashi
BACKGROUND: Variant angina (VA) is caused by reversible coronary artery spasm, which is characterized by chest pain with ST segment elevations on a standard 12-lead electrocardiogram (ECG) at rest. VA attack often causes lethal ventricular arrhythmia. The early repolarization (ER) pattern is associated with ventricular fibrillation (VF). However, whether the ER pattern is involved in VF in patients with VA is not known. We investigated the association between the ER pattern and VF in patients with VA...
April 17, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29667046/radiotherapy-in-patients-with-cardiac-implantable-electronic-devices-clinical-and-dosimetric-aspects
#13
Giulia Riva, Ombretta Alessandro, Ruggero Spoto, Annamaria Ferrari, Cristina Garibaldi, Federica Cattani, Rosa Luraschi, Elena Rondi, Nicola Colombo, Fulvio Lorenzo Francesco Giovenzana, Carlo Maria Cipolla, Mikolaj Winnicki, Martina Persiani, Fabiana Castelluccia, Massimo Sarra Fiore, Roberto Orecchia, Barbara Alicja Jereczek-Fossa
As a result of aging, the number of patients with cardiac implantable electronic device (CIED) requiring radiotherapy (RT) continues to rise. The aim of this work was to evaluate RT-related malfunctions of CIED in a cohort of patients who underwent RT in our clinic from June 2010 to December 2016. We retrospectively analyzed 93 RT treatments in 63 patients with CIEDs. Patients were treated with 3D conformal RT, intensity-modulated RT and stereotactic RT. We collected clinical characteristics of cancer, models of CIEDs, total RT dose to tumor and radiation energy...
April 17, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29663442/complexity-of-scar-and-ventricular-arrhythmias-in-dilated-cardiomyopathy-of-any-etiology-long-term-data-from-the-scarfear-cardiovascular-magnetic-resonance-predictors-of-appropriate-implantable-cardioverter-defibrillator-therapy-delivery-registry
#14
Stefano Pedretti, Sara Vargiu, Matteo Baroni, Santo Dellegrottaglie, Barbara Lanzarin, Alberto Roghi, Angela Milazzo, Giuseppina Quattrocchi, Maurizio Lunati, Patrizia Pedrotti
BACKGROUND: Late gadolinium enhancement (LGE) assessed with cardiovascular magnetic resonance (CMR) correlates with ventricular arrhythmias and survival in patients with structural heart disease. Whether some LGE characteristics may specifically improve prediction of arrhythmic outcomes is unknown. HYPOTHESIS: We sought to evaluate scar characteristics assessed with CMR to predict implantable cardioverter-defibrillator (ICD) interventions in dilated cardiomyopathy of different etiology...
April 17, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29659777/number-of-pregnancies-and-subsequent-phenotype-in-a-cross-sectional-cohort-of-women-with-arrhythmogenic-cardiomyopathy
#15
Anna I Castrini, Øyvind H Lie, Ida S Leren, Mette E Estensen, Mathis K Stokke, Lars G Klæboe, Thor Edvardsen, Kristina H Haugaa
Aims: We aimed to assess the relation between number of pregnancies and cardiac structure, function, and arrhythmic events in women with arrhythmogenic cardiomyopathy (AC). Methods and results: We included female AC patients in a cross-sectional study. Number of pregnancies and pregnancy related symptoms were recorded. Ventricular arrhythmias were defined as aborted cardiac arrest, sustained ventricular tachycardia, or appropriate implantable cardioverter-defibrillator therapy...
April 6, 2018: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29659027/perioperative-hematoma-with-subcutaneous-icd-implantation-impact-of-anticoagulation-and-antiplatelet-therapies
#16
Seth H Sheldon, Ryan Cunnane, Madhav Lavu, Valay Parikh, Donita Atkins, Yeruva Madhu Reddy, Loren D Berenbom, Martin P Emert, Rhea Pimentel, Raghuveer Dendi, Dhanunjaya R Lakkireddy
BACKGROUND: The safety of perioperative anticoagulation (AC) and antiplatelet (AP) therapy with subcutaneous implantable cardioverter-defibrillator (S-ICD) implantation is unknown. The purpose of this study was to identify the risk factors associated with hematoma complicating S-ICD implantation. METHODS: Records were retrospectively reviewed from 200 consecutive patients undergoing S-ICD implantation at two academic medical centers. A hematoma was defined as a device site blood accumulation requiring surgical evacuation, extended hospital stay, or transfusion...
April 16, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29657596/high-defibrillation-threshold-with-a-subcutaneous-implantable-cardiac-defibrillator-due-to-the-lead-having-been-positioned-in-the-fat-layer
#17
Tatsuhiko Hirao, Junichi Nitta, Akira Sato, Yoshihide Takahashi, Masahiko Goya, Kenzo Hirao
A 46-year-old female with a body mass index of 38.9 kg/m2 and no organic heart disease underwent a subcutaneous implantable cardioverter-defibrillator implantation for secondary prevention of sudden cardiac death in the setting of idiopathic ventricular fibrillation. Defibrillation threshold (DFT) testing during implantation detected high shock impedance and high DFT. Fluoroscopy revealed subcoil fat between the lead and the sternum, which we suspected was the reason for the high shock impedance and high DFT...
April 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29657589/prognostic-significance-of-nonsustained-ventricular-tachycardia-in-patients-receiving-cardiac-resynchronization-therapy-for-primary-prevention-analysis-of-the-japan-cardiac-device-treatment-registry-database
#18
Hisashi Yokoshiki, Akihiko Shimizu, Takeshi Mitsuhashi, Hiroshi Furushima, Yukio Sekiguchi, Tetsuyuki Manaka, Nobuhiro Nishii, Takeshi Ueyama, Norishige Morita, Hideo Okamura, Takashi Nitta, Kenzo Hirao, Ken Okumura
Background: Whether nonsustained ventricular tachycardia (NSVT) is a marker of increased risk of sustained ventricular tachyarrhythmias (VTAs) remains to be established in patients receiving cardiac resynchronization therapy with a defibrillator (CRT-D) for primary prevention. Methods: Among the follow-up data of the Japan cardiac device treatment registry (JCDTR) with an implantation date between January 2011 and August 2015, information regarding a history of NSVT before the CRT-D implantation for primary prevention had been registered in 269 patients...
April 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29656721/radiofrequency-catheter-ablation-for-ventricular-tachycardia-in-ischaemic-cardiomyopathy-due-to-kawasaki-disease
#19
Hisaaki Komaki, Takashi Nakashima, Shinya Minatoguchi
In some patients with Kawasaki disease, a prior myocardial infarction causes ventricular tachycardia in the chronic post-myocardial infarction phase. We report the case of a 41-year-old man with symptomatic and haemodynamically unstable ventricular tachycardia in whom substrate ablation was performed for the ventricular tachycardia before insertion of an implantable cardioverter-defibrillator.
April 16, 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29652424/pre-discharge-test-may-worsen-cognitive-functioning-in-patients-with-implantable-cardioverter-defibrillator
#20
Alicja Raczak, Ludmiła Daniłowicz-Szymanowicz, Maciej Kempa, Anna Korsak, Emilia Kisicka, Ewa Lewicka, Mikołaj Majkowicz
No abstract text is available yet for this article.
2018: Kardiologia Polska
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