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Implantable cardiac defibrillators

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https://www.readbyqxmd.com/read/28214153/arrhythmogenic-right-ventricular-dysplasia-atypical-clinical-presentation
#1
José Marçalo, Luiz Menezes Falcão
A 67-year-old man was admitted to our hospital after episodes of syncope preceded by malaise and diffuse neck and chest discomfort. No family history of cardiac disease was reported. Laboratory workup was within normal limits, including D-dimers, serum troponin I and arterial blood gases. The electrocardiogram showed sinus rhythm with T-wave inversion in leads V1 to V3. Computed tomography angiography to investigate pulmonary embolism showed no abnormal findings. Transthoracic echocardiography (TTE) displayed massive enlargement of the right ventricle with intact interatrial septum and no pulmonary hypertension...
February 14, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28213711/implantable-cardioverter-defibrillators-for-primary-prevention-in-dilated-cardiomyopathy-post-danish-an-updated-meta-analysis-and-systematic-review-of-randomized-controlled-trials
#2
Georg Wolff, Yingfeng Lin, Athanasios Karathanos, Maximilian Brockmeyer, Susanne Wolters, Bernd Nowak, Alexander Fürnkranz, Hisaki Makimoto, Malte Kelm, Volker Schulze
BACKGROUND: Sudden cardiac death (SCD) is frequent in patients with heart failure due to dilated cardiomyopathy (DCM). Implantable cardioverter/defibrillator (ICD) device therapy is currently used for primary prevention. However, publication of the DANISH trial has recently given reason for doubt, showing no significant improvement in all-cause mortality in comparison to contemporary medical therapy. METHODS: We performed a meta-analysis of all randomized controlled trials comparing ICD therapy to medical therapy (MT) for primary prevention in DCM...
February 17, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28213507/effect-of-sleep-disordered-breathing-on-appropriate-implantable-cardioverter-defibrillator-therapy-in-patients-with-heart-failure-a-systematic-review-and-meta-analysis
#3
Younghoon Kwon, Ryan J Koene, Osung Kwon, Jessica V Kealhofer, Selcuk Adabag, Sue Duval
BACKGROUND: Patients with heart failure and reduced ejection fraction are at increased risk of malignant ventricular arrhythmias. Implantable cardioverter-defibrillator (ICD) is recommended to prevent sudden cardiac death in some of these patients. Sleep-disordered breathing (SDB) is highly prevalent in this population and may impact arrhythmogenicity. We performed a systematic review and meta-analysis of prospective studies that assessed the impact of SDB on ICD therapy. METHODS AND RESULTS: Relevant prospective studies were identified in the Ovid MEDLINE, EMBASE, and Google Scholar databases...
February 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28209216/hypertrophic-cardiomyopathy-with-left%C3%A2-ventricular-apical-aneurysm-implications-for-risk-stratification-and-management
#4
Ethan J Rowin, Barry J Maron, Tammy S Haas, Ross F Garberich, Weijia Wang, Mark S Link, Martin S Maron
BACKGROUND: A previously under-recognized subset of hypertrophic cardiomyopathy (HCM) patients with left ventricular (LV) apical aneurysms is being identified with increasing frequency. However, risks associated with this subgroup are unknown. OBJECTIVES: The authors aimed to clarify clinical course and prognosis of a large cohort of HCM patients with LV apical aneurysms over long-term follow-up. METHODS: The authors retrospectively analyzed 1,940 consecutive HCM patients at 2 centers, 93 of which (4...
February 21, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28205229/linking-myofilaments-to-sudden-cardiac-death-recent-advances
#5
Sabine Huke
The major goal of this focused review is to highlight some of the open questions and recent advances about how a mutation in a myofilament protein leads to an increased risk for sudden cardiac death (SCD). The link between myofilaments and SCD is known for over 25 years, but identifying mutation carriers at risk for SCD is still a challenge and currently the only effective prevention is implantation of a defibrillator (ICD). In addition to recognized risk factors, other contributing factors need to be considered and assessed, e...
February 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28202628/effects-of-upgrade-versus-de-novo-cardiac-resynchronization-therapy-on-clinical-response-and-long-term-survival-results-from-a-multicenter-study
#6
Mate Vamos, Julia W Erath, Zsolt Bari, Denes Vagany, Sven P Linzbach, Tatsiana Burmistrava, Carsten W Israel, Gabor Z Duray, Stefan H Hohnloser
BACKGROUND: Benefits of cardiac resynchronization therapy (CRT) on morbidity and mortality in selected patients are well known. Although the number of upgrade procedures from single- or dual-chamber devices to CRT is increasing, there are only sparse data on the outcomes of upgrade procedures compared with de novo CRT. This study aimed to evaluate clinical response and survival in patients receiving de novo versus upgrade CRT defibrillator therapy. METHODS AND RESULTS: Prospectively collected outcome data were compared in patients undergoing de novo or upgrade CRT defibrillator implantation at 3 implant centers in Germany and Hungary...
February 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28201839/mr-imaging-in-patients-with-cardiac-pacemakers-and-implantable-cardioverter-defibrillators
#7
Torsten Sommer, Wolfgang Bauer, Katharina Fischbach, Christof Kolb, Roger Luechinger, Uwe Wiegand, Joachim Lotz, Ingo Eitel, Matthias Gutberlet, Holger Thiele, Hans H Schild, Malte Kelm, Harald H Quick, Jeanette Schulz-Menger, Jörg Barkhausen, Dietmar Bänsch
This joint consensus paper of the German Roentgen Society and the German Cardiac Society provides physical and electrophysiological background information and specific recommendations for the procedural management of patients with cardiac pacemakers (PM) and implantable cardioverter defibrillators (ICD) undergoing magnetic resonance (MR) imaging. The paper outlines the responsibilities of radiologists and cardiologists regarding patient education, indications, and monitoring with modification of MR sequences and PM/ICD reprogramming strategies being discussed in particular...
February 15, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28197280/predictors-of-permanent-pacemaker-implantation-after-coronary-artery-bypass-grafting-and-valve-surgery-in-adult-patients-in-current-surgical-era
#8
Bandar Al-Ghamdi, Yaseen Mallawi, Azam Shafquat, Alexandra Ledesma, Nadiah AlRuwaili, Mohamed Shoukri, Shahid Khan, Aly Al Sanei
BACKGROUND: Permanent pacemaker (PPM) implantation after cardiac surgery is required in 0.4-6% of patients depending on cardiac surgery type. PPM implantation in the early postoperative period may reduce morbidity and postoperative hospital stay. We performed a retrospective review of electronic medical records of adult patients with coronary artery bypass grafting (CABG), valve surgery, or both, over a 3-year period. Our aim was to identify predictors of PPM requirements and PPM dependency on follow-up in the current surgical era...
August 2016: Cardiology Research
https://www.readbyqxmd.com/read/28196927/healthcare-utilization-and-expenditures-associated-with-appropriate-and-inappropriate-implantable-defibrillator-shocks
#9
Mintu P Turakhia, Steven Zweibel, Andrea L Swain, Sarah A Mollenkopf, Matthew R Reynolds
BACKGROUND: In patients with implantable cardioverter-defibrillators, healthcare utilization (HCU) and expenditures related to shocks have not been quantified. METHODS AND RESULTS: We performed a retrospective cohort study of patients with implantable cardioverter-defibrillators identified from commercial and Medicare supplemental claims databases linked to adjudicated shock events from remote monitoring data. A shock event was defined as ≥1 spontaneous shocks delivered by an implanted device...
February 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28194346/safe-and-simplified-salvage-technique-for-exposed-implantable-cardiac-electronic-devices-under-local-anesthesia
#10
Chang Young Jung, Tae Gon Kim, Sung-Eun Kim, Kyu-Jin Chung, Jun Ho Lee, Yong-Ha Kim
BACKGROUND: Skin erosion is a dire complication of implantable cardiac pacemakers and defibrillators. Classical treatments involve removal of the entire generator and lead systems, however, these may result in fatal complications. In this study, we present our experience with a simplified salvage technique for exposed implantable cardiac electronic devices (ICEDs) without removing the implanted device, in an attempt to reduce the risks and complication rates associated with this condition...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28192003/web-based-distress-management-for-implantable-cardioverter-defibrillator-patients-a-randomized-controlled-trial
#11
Mirela Habibović, Johan Denollet, Pim Cuijpers, Pepijn H van der Voort, Jean-Paul Herrman, Leon Bouwels, Suzanne D A Valk, Marco Alings, Dominic A M J Theuns, Susanne S Pedersen
OBJECTIVE: Sudden cardiac arrest caused by cardiac arrhythmias is 1 of the leading causes of death worldwide. Implantable cardioverter defibrillators (ICDs) are considered as standard care for patients with increased risk of arrhythmias. However, 1 in 4 ICD patients experiences psychological distress post-ICD implantation. The WEB-based distress management program for ICD patients (WEBCARE) was developed to mitigate anxiety and depression and enhance health-related quality of life in ICD patients...
February 13, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28188473/outpatient-treatment-with-the-wearable-cardioverter-defibrillator-clinical-experience-in-two-dutch-centres
#12
A F B E Quast, V F van Dijk, A A M Wilde, R E Knops, L V A Boersma
INTRODUCTION: The latest European Society of Cardiology Guidelines recommend consideration of a wearable cardioverter-defibrillator (WCD) for patients with a poor left ventricular ejection fraction (LVEF) who are at risk of sudden arrhythmic death but are not eligible for an implantable defibrillator. For these patients a WCD can be an alternative to long-term hospitalisation. PURPOSE: To evaluate the use of WCD therapy in these patient groups in two Dutch centres...
February 10, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28188000/effectiveness-of-a-management-program-for-outpatient-clinic-or-remote-titration-of-beta-blockers-in-crt-patients-the-restore-study
#13
Antonio D'Onofrio, Pietro Palmisano, Antonio Rapacciuolo, Ernesto Ammendola, Leonardo Calò, Antonio Ruocco, Valter Bianchi, Fabio Maresca, Giuseppe Del Giorno, Annamaria Martino, Ciro Mauro, Monica Campari, Sergio Valsecchi, Michele Accogli
BACKGROUND: Many patients fail to receive β-blockers before cardiac resynchronization therapy defibrillator (CRT-D) implantation, or receive them at a suboptimal dose, and require optimization after implantation. We assessed the effectiveness of a structured program for β-blocker titration in CRT-D patients followed up by means of conventional in-clinic visits or remote monitoring. METHODS AND RESULTS: 130 patients undergoing CRT implantation and treated according to the standard practice of the centers were included as a control group...
February 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28185354/eligibility-of-pacemaker-patients-for-subcutaneous-implantable-cardioverter-defibrillators
#14
James E Ip, Michael S Wu, Peter J Kennel, George Thomas, Christopher F Liu, Jim W Cheung, Steven M Markowitz, Bruce B Lerman
INTRODUCTION: The subcutaneous implantable cardioverter defibrillator (ICD) has emerged as a viable therapeutic option for patients who are deemed high risk for sudden cardiac death. Previous studies have shown that 7-15% of patients are not candidates for the S-ICD based on their intrinsic QRS/T-wave morphology. Presently, it is not known if the S-ICD can be considered as supplementary therapy in patients who are ventricularly paced. We sought to determine the proportion of ventricularly paced patients who would qualify for an S-ICD...
February 10, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28180011/the-challenges-of-living-with-an-implantable-cardioverter-defibrillator-a-qualitative-study
#15
Mohammad Abbasi, Reza Negarandeh, Reza Norouzadeh, Amir Reza Shojae Mogadam
BACKGROUND: Dysrhythmia is one of the most common causes of sudden cardiac death worldwide. An implantable cardioverter defibrillator is the most effective method of treatment for dysrhythmias causing cardiac arrest. However, living with an implantable cardioverter defibrillator is associated with challenges such as fear, anxiety, and depression. OBJECTIVES: The purpose of this study was to identify the challenges of living with an implantable cardioverter defibrillator...
October 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28176981/reuse-of-pacemakers-defibrillators-and-cardiac-resynchronisation-devices
#16
Raja J Selvaraj, R Sakthivel, Santhosh Satheesh, Ajith Ananthakrishna Pillai, Pascal Sagnol, Xavier Jouven, Bernard Dodinot, Jayaraman Balachander
OBJECTIVE: Access to pacemakers remains poor among many patients in low/middle-income countries. Reuse of explanted pacemakers is a possible solution, but is still not widespread because of concerns regarding outcomes, especially infection. Our objective was to study early outcomes with implants using reused devices and compare them with those with implants using new devices. METHODS: We studied all patients who underwent implantation of a new or reused pacemaker, cardiac resynchronisation therapy (CRT) device or implantable cardioverter defibrillator (ICD) in the last 5 years at a single institution...
2017: Heart Asia
https://www.readbyqxmd.com/read/28176521/implantable-cardioverter-defibrillators-for-primary-prevention-in-patients-with-nonischemic-cardiomyopathy-a-systematic-review-and-meta-analysis
#17
Tamer Akel, James Lafferty
INTRODUCTION: Implantable cardioverter defibrillators (ICDs) have proved their benefit in exerting favorable outcomes on survival in selected patients with cardiomyopathy. Although previous meta-analyses have shown benefit for their use in primary prevention, the evidence is less robust for patients with NICM in comparison to patients with CAD. In this meta-analysis we evaluated the ability of ICD therapy in reducing all-cause mortality and sudden cardiac Death (SCD) in patients with NICM...
February 8, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28176442/impact-of-remote-monitoring-on-long-term-prognosis-in-heart-failure-patients-in-a-real-world-cohort-results-from-all-comers-commit-hf-trial
#18
Anna Kurek, Mateusz Tajstra, Elzbieta Gadula-Gacek, Piotr Buchta, Michal Skrzypek, Lukasz Pyka, Michal Wasiak, Malgorzata Swietlinska, Michal Hawranek, Lech Polonski, Mariusz Gasior, Jedrzej Kosiuk
BACKGROUND: Randomized controlled trials demonstrate that remote monitoring (RM) of implantable cardioverter-defibrillators (ICDs) and cardiac resynchronization therapy devices (CRT-D) may improve quality of care and prognosis in heart failure (HF) patients. However, the impact of RM on long-term mortality in a real-world cohort is still not well examined. METHODS AND RESULTS: This study was designed as a matched cohort study based on the COMMIT-HF trial - a single-center, ongoing prospective observational registry (NCT02536443)...
February 8, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28176398/the-relationship-of-antitachycardia-pacing-versus-shock-in-an-implantable-cardioverter-defibrillator-population-and-the-risk-of-mortality-just-an-association
#19
EDITORIAL
Jonathan C Hsu, Kurt S Hoffmayer
The mortality benefit of implantable cardioverter-defibrillator (ICD) therapy has been shown for both primary and secondary prevention of sudden cardiac death and in both ischemic and non-ischemic cardiomyopathy patients.(1-3) Although ICD shocks may be life-saving, avoiding shocks by attempting to terminate ventricular arrhythmias with anti-tachycardia pacing (ATP) may be beneficial as shocks can cause patient discomfort and may themselves be associated with increased mortality.(4) This article is protected by copyright...
February 8, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28169434/magnetic-resonance-imaging-in-non-dependent-pacemaker-patients-with-pacemakers-and-defibrillators-with-a-nearly-depleted-battery
#20
Hideo Okamura, Deepak Padmanabhan, Robert E Watson, Connie Dalzell, Nancy Acker, Mary Jondal, Abby L Romme, Yong-Mei Cha, Samuel J Asirvatham, Joel P Felmlee, Paul A Friedman
BACKGROUND: Magnetic resonance imaging (MRI) in patients with non-MRI-conditional cardiac implantable electronic devices (CIEDs) has been shown to be safe when performed under closely monitored protocols. However, the safety of MRI in patients with devices with a nearly depleted battery has not been reported. METHODS: Prospective data was collected between January 2008 and May 2015 in patients with non-MRI-conditional CIEDs undergoing clinically indicated MRI under institutional protocol...
February 7, 2017: Pacing and Clinical Electrophysiology: PACE
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