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Implantable cardiac defibrillators

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https://www.readbyqxmd.com/read/28534239/analysis-of-screening-electrocardiogram-for-the-subcutaneous-defibrillator-in-adults-with-congenital-heart-disease
#1
Vincent C Thomas, Mark Peterson, Martin McDaniel, Humberto Restrepo, Abraham Rothman, Amit Jain
Candidates for the subcutaneous implantable cardioverter-defibrillator (S-ICD) are screened using an electrocardiogram (S-ECG) tool to measure appropriate detection. We sought to define the S-ICD candidacy of congenital heart disease patients using the S-ECG tool. We also analyzed the reliability of the (S-ECG) tool between measurers in this population. Patients above the age of 12 and with a diagnosis associated with either a higher incidence of cardiac arrest or vascular access challenges were asked to undergo screening...
May 22, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28532779/meta-analysis-of-risk-of-ventricular-arrhythmias-after-improvement-in-left-ventricular-ejection-fraction-during-follow-up-in-patients-with-primary-prevention-implantable-cardioverter-defibrillators
#2
Aiman Smer, Alok Saurav, Muhammad Soubhi Azzouz, Mohsin Salih, Mohamed Ayan, Ahmed Abuzaid, Abhilash Akinapelli, Arun Kanmanthareddy, Lynda E Rosenfeld, Faisal M Merchant, Hussam Abuissa
Implantable cardioverter defibrillators (ICDs) reduce the risk of sudden cardiac death in patients with impaired left ventricular ejection fraction (LVEF). However, there are limited data on the long-term benefit of ICD therapy in patients whose LVEF subsequently improves. We conducted a meta-analysis to evaluate the effect of LVEF improvement on ICD therapy during follow-up. Incidence rate ratios (IRRs) with 95% confidence intervals (CIs) were calculated using random-effects modeling. Sixteen studies with 3,959 patients were included in our analysis...
April 27, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28528049/an-old-solution-for-a-new-problem-eloesser-flap-management-of-infected-defibrillator-patches
#3
Heidi B Schubmehl, Huan Huan Sun, Jessica S Donington, Deane E Smith, Eugene A Grossi
Cardiac surgery patients with infected implantable cardioverter defibrillator hardware face high morbidity with both surgical and nonoperative management options. We present a case of infected epicardial patch defibrillator leads in a patient with prohibitively high risk of death with open surgical removal. As a less morbid alternative, an Eloesser flap was used to convert his presenting mediastinal empyema necessitans into a chronic, manageable wound.
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28526597/slow-ventricular-tachycardia-in-a-91-year-old-man-with-implantable-cardioverter-defibrillator-and-acute-respiratory-failure
#4
Nicola Vargas, Loredana Tibullo, Cesare A E Landi, Giovanni Carifi, Emanuela Landi, Elisa Salsano, Francesco Di Grezia, Fiore Candelmo
Slow ventricular tachycardia (VT) in patients with devices such as an implantable cardioverter - defibrillator (ICD) is more common than in the rest of the population. The incidence in elderly patients with an ICD remains largely unknown. In younger patients, slow VT is generally asymptomatic or associated with limited clinical relevance. It may be efficiently and safely terminated by anti-tachycardia pacing. We present a case of slow VT in a 91-year-old man with ICD with type 1 acute respiratory failure and drowsiness...
May 11, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28520959/the-effects-of-gender-on-electrical-therapies-for-the-heart-procedural-considerations-results-and-complications-a-report-from-the-xii-congress-of-the-italian-association-on-arrhythmology-and-cardiostimulation-aiac
#5
Igor Diemberger, Raffaella Marazzi, Michela Casella, Francesca Vassanelli, Paola Galimberti, Mario Luzi, Alessio Borrelli, Ezio Soldati, Pier Giorgio Golzio, Stefano Fumagalli, Pietro Francia, Luigi Padeletti, Gianluca Botto, Giuseppe Boriani
Use of cardiac implantable devices and catheter ablation is steadily increasing in Western countries following the positive results of clinical trials. Despite the advances in scientific knowledge, tools development, and techniques improvement we still have some grey area in the field of electrical therapies for the heart. In particular, several reports highlighted differences both in medical behaviour and procedural outcomes between female and male candidates. Women are referred later for catheter ablation of supraventricular arrhythmias, especially atrial fibrillation, leading to suboptimal results...
May 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28512364/-radiographic-implications-of-procedures-involving-cardiac-implantable-electronic-devices-cieds-selected-aspects
#6
Roman Steckiewicz, Dariusz Artur Kosior, Elżbieta Barbara Świętoń, Marek Rosiak, Bartosz Lange, Przemysław Stolarz
BACKGROUND: Some cardiac implantable electronic device (CIED) implantation procedures require the use of X-rays, which is reflected by such parameters as total fluoroscopy time (TFT) and dose-area product (DAP - defined as the absorbed dose multiplied by the area irradiated). MATERIAL AND METHODS: This retrospective study evaluated 522 CIED implantation (424 de novo and 98 device upgrade and new lead placement) procedures in 176 women and 346 men (mean age 75±11 years) over the period 2012-2015...
May 16, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28511325/-feasibility-of-the-2014-european-guidelines-risk-prediction-model-for-sudden-cardiac-death-in-hypertrophic-cardiomyopathy-in-chinese-patients
#7
S H Zhu, Y Li, W Huang, H Jiang, S N Li, L Chen, S Huang, H S Yu, B Xu
Objective: Exploring the feasibility of the 2014 European Society of Cardiology(ESC)guideline's risk prediction model for sudden cardiac death in hypertrophic cardiomyopathy (HCM Risk-SCD) in Chinese patients. Methods: The study population consisted of a consecutive cohort of 172 Chinese patients with HCM without prior sudden cardiac death (SCD) event who were in patients in Nanjing Drum Tower Hospital from December 2010 to October 2015.The endpoint event was a composite of SCD and appropriate implantable cardioverter-defibrillator (ICD) therapy...
May 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28510647/epicardial-cardioverter-defibrillator-implantation-in-a-4-month-old-infant-bridged-to-heart-transplantation
#8
Cristina Carro, Alberto Francesco Cereda, Giuseppe Annoni, Stefano Maria Marianeschi
Implantable cardioverter-defibrillator (ICD) is the gold standard therapy for the prevention of sudden cardiac death. Nevertheless, ICD placement in the paediatric population is still limited because of several technical difficulties. Several implantation techniques have been proposed but experience in infants with very low weight and less than 6 months is very limited. We herein describe a case of a minimally invasive ICD epicardial implantation in a 4-month-old infant weighing 5 kg. A diagnosis of arrhythmic cardiomyopathy with left ventricular non-compaction disease with ventricular tachycardia storms, QT prolongation and Wolff-Parkinson-White pattern was made...
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28508439/conventional-and-right-sided-screening-for-subcutaneous-icd-in-a-population-with-congenital-heart-disease-at-high-risk-of-sudden-cardiac-death
#9
Pau Alonso, Joaquín Osca, Joaquín Rueda, Oscar Cano, Pedro Pimenta, Ana Andres, María José Sancho, Luis Martinez
BACKGROUND: Information regarding suitability for subcutaneous defibrillator (sICD) implantation in tetralogy of Fallot (ToF) and systemic right ventricle is scarce and needs to be further explored. The main objective of our study was to determine the proportion of patients with ToF and systemic right ventricle eligible for sICD with both, standard and right-sided screening methods. Secondary objectives were: (i) to study sICD eligibility specifically in patients at high risk of sudden cardiac death, (ii) to identify independent predictors for sICD eligibility, and (iii) to compare the proportion of eligible patients in a nonselected ICD population...
May 15, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28507741/mark-josephson-and-the-icd-a-personal-perspective
#10
Charles D Swerdlow
Mark Josephson dedicated his career to the prevention of premature sudden cardiac death (SCD). Toward that goal, he was an early adopter of the implantable cardioverter defibrillator (ICD) and indefatigable advocate for better ICD technology,[1] both as a clinical tool and as living laboratory to study SCD in ambulatory patients. With characteristic intellectual integrity and analytical rigour, he sought an honest and balanced appraisal of the life-saving benefits and serious complications of this unique therapy...
April 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/28506978/addition-of-blood-pressure-and-weight-transmissions-to-standard-remote-monitoring-of-implantable-defibrillators-and-its-association-with-mortality-and-rehospitalization
#11
M Obadah Al-Chekakie, Haikun Bao, Paul W Jones, Kenneth M Stein, Lucas Marzec, Paul D Varosy, Frederick A Masoudi, Jeptha P Curtis, Joseph G Akar
BACKGROUND: Among patients with implantable defibrillators (ICD), use of remote patient monitoring (RPM) is associated with lower risk of death and rehospitalization. Standard ICD RPM can be supplemented with weight and blood pressure data. It is not known whether standard RPM plus routine weight and blood pressure transmission (RPM+) is associated with better outcomes. METHODS AND RESULTS: RPM+ patients (n=4106) were compared with patients who only transmitted standard ICD RPM data (n=14 183)...
May 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28500812/the-prevalence-of-chagas-disease-among-latin-american-immigrants-with-pacemakers-in-los-angeles-california
#12
Sandy Park, Daniel R Sanchez, Mahmoud I Traina, Jason S Bradfield, Salvador Hernandez, Alvaro Joaquin Altamirano Ufion, Jalal Dufani, Patrick Bergin, Robin Y Wachsner, Sheba K Meymandi
AbstractChagas disease (CD), with associated conduction abnormalities, is a common indication for pacemaker implantation in Latin America. The prevalence of CD in Latin American immigrants with pacemakers residing in the United States has never been studied. This single-center cross-sectional study included pacemaker patients who were aged 18 years or more with a previous residence in Latin America for at least 6 months. Patients with an implantable cardioverter-defibrillator, cardiac resynchronization therapy, or iatrogenic and/or congenital heart block were excluded...
May 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28500178/electrical-substrate-elimination-in-135-consecutive-patients-with-brugada-syndrome
#13
Carlo Pappone, Josep Brugada, Gabriele Vicedomini, Giuseppe Ciconte, Francesco Manguso, Massimo Saviano, Raffaele Vitale, Amarild Cuko, Luigi Giannelli, Zarko Calovic, Manuel Conti, Paolo Pozzi, Andrea Natalizia, Simonetta Crisà, Valeria Borrelli, Ramon Brugada, Georgia Sarquella-Brugada, Marco Guazzi, Alessandro Frigiola, Lorenzo Menicanti, Vincenzo Santinelli
BACKGROUND: There is emerging evidence that localization and elimination of abnormal electric activity in the epicardial right ventricular outflow tract may be beneficial in patients with Brugada syndrome. METHODS AND RESULTS: A total of 135 symptomatic Brugada syndrome patients having implantable cardiac defibrillator were enrolled: 63 (group 1) having documented ventricular tachycardia (VT)/ventricular fibrillation (VF) and Brugada syndrome-related symptoms, and 72 (group 2) having inducible VT/VF without ECG documentation at the time of symptoms...
May 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28499628/a-real-world-wearable-cardioverter-defibrillator-experience-very-high-appropriate-shock-rate-in-ischemic-cardiomyopathy-patients-at-a-european-single-center
#14
Thomas Beiert, Robert Malotki, Natalie Kraemer, Florian Stöckigt, Markus Linhart, Georg Nickenig, Jan W Schrickel, René P Andrié
BACKGROUND: The wearable cardioverter defibrillator (WCD) has emerged as a valuable tool to protect patients with increased risk of sudden cardiac death (SCD). We sought to characterize WCD patients and to analyze predictors of ventricular arrhythmia (VA) occurrence and WCD shock delivery. METHODS AND RESULTS: One hundred fourteen patients with WCD use were included in the study. Indications were mainly ischemic cardiomyopathy (ICM; 31.6%), non-ICM (45.6%) and explantation of implantable cardioverter defibrillator due to device infection (11...
April 28, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28496937/amiodarone-induced-third-degree-atrioventricular-block-and-extreme-qt-prolongation-generating-torsade-des-pointes-in-paroxysmal-atrial-fibrillation
#15
Orlando Robert Sequeira, Nelson Javier Aquino, Nancy Beatriz Gómez, Laura Beatriz García, Cristina Cáceres, Oscar A Lovera, Osmar Antonio Centurión
Amiodarone is still the most potent antiarrhythmic drug in the prevention of life threatening ventricular arrhythmias and demonstrates a very low incidence of torsade de pointes. An unusual case of an 81-year-old woman who developed serious abnormalities of the conduction system of the heart and torsade des pointes during intravenous infusion of amiodarone for the treatment of paroxysmal atrial fibrillation is described. To the best of our knowledge, this is the first case showing an association of intravenous amiodarone-induced third degree atrioventricular block and extreme QT interval prolongation generating torsade des pointes in a patient with paroxysmal atrial fibrillation who required an implantable cardioverter-defibrillator...
October 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/28496930/percutaneous-vacuum-assisted-thrombectomy-device-used-for-removal-of-large-vegetations-on-infected-pacemaker-and-defibrillator-leads-as-an-adjunct-to-lead-extraction
#16
Raymond H M Schaerf, Sasan Najibi, John Conrad
This case series reports our early experience with a minimally invasive percutaneous method of safely removing large vegetations during lead extraction in septic cardiac implantable electronic devices (CIED). Debate exists concerning the management of vegetations involving these devices. Lead extraction is mandated for infections, but vegetations may embolize, causing complications. Surgical debridement is recommended; alternatives include cardiopulmonary bypass, minimally invasive thoracotomy, or transatrial approaches...
October 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/28496929/management-of-patients-with-atrial-fibrillation-focus-on-treatment-options
#17
REVIEW
Pawel Matusik, Jacek Lelakowski, Barbara Malecka, Jacek Bednarek, Remigiusz Noworolski
Atrial fibrillation (AF) is leading cardiac arrhythmia with important clinical implications. Its diagnosis is usually made on the basis on 12-lead ECG or 24-hour Holter monitoring. More and more clinical evidence supports diagnostic use of cardiac event recorders and cardiovascular implantable electronic devices (CIED). Treatment options in patients with atrial fibrillation are extensive and are based on chosen rhythm and/or rate control strategy. The use and selected contraindications to AF related pharmacotherapy, including anticoagulants are shown...
October 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/28496094/apical-hypertrophic-cardiomyopathy-case-report-and-literature-review
#18
Tanya Doctorian, William J Mosley, Bao Do
BACKGROUND Apical hypertrophic cardiomyopathy (ApHCM) is a relatively rare form of hypertrophic cardiomyopathy that predominantly affects the apex of the left ventricle and typically has a nonobstructive physiology. Its variable presentation and clinical course render ApHCM a commonly delayed or missed diagnosis. CASE REPORT A 53-year-old Caucasian woman presented with chronic progressive chest pain. She was initially started on treatment for acute coronary syndrome. Diagnosis of ApHCM was initially missed on echocardiography, but made on subsequent cardiac catheterization and cardiac MRI...
May 12, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28494974/multiple-comorbidities-and-response-to-cardiac-resynchronization-therapy-madit-crt-long-term-follow-up
#19
Emily P Zeitler, Daniel J Friedman, James P Daubert, Sana M Al-Khatib, Scott D Solomon, Yitschak Biton, Scott McNitt, Wojciech Zareba, Arthur J Moss, Valentina Kutyifa
BACKGROUND: Data regarding cardiac resynchronization therapy (CRT) in patients with multiple comorbidities are limited. OBJECTIVES: This study evaluated the association of multiple comorbidities with the benefits of CRT over implantable cardioverter-defibrillator (ICD) alone. METHODS: We examined 1,214 MADIT-CRT (Multicenter Automatic Defibrillator Implantation Trial with Cardiac Resynchronization Therapy) study patients with left bundle branch block (LBBB) and 0, 1, 2, or ≥3 comorbidities, including renal dysfunction, hypertension (HTN), diabetes, coronary artery disease, history of atrial arrhythmias, history of ventricular arrhythmias, current smoking, and cerebrovascular accident...
May 16, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28491714/delayed-cardiac-perforation-of-the-durata-implantable-cardioverter-defibrillator-lead-more-than-1-year-after-implantation
#20
Sandeep K Sharma, Jonathan W Weinsaft, James E Ip, Jim W Cheung
No abstract text is available yet for this article.
September 2016: HeartRhythm Case Reports
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