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Implantable cardioverter defibrillator

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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/28205196/dual-chamber-icd-implantation-via-a-persistent-left-superior-vena-cava-use-of-an-innominate-vein-for-the-placement-of-a-right-ventricular-cardioverter-defibrillator-lead-implantation
#5
Andrzej Ząbek, Krzysztof Boczar, Maciej Dębski, Jacek Lelakowski, Barbara Małecka
No abstract text is available yet for this article.
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28201839/mr-imaging-in-patients-with-cardiac-pacemakers-and-implantable-cardioverter-defibrillators
#6
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/28198561/nursing-home-use-after-implantable-cardioverter-defibrillator-implantation-in-older-adults-results-from-the-national-cardiovascular-data-registry
#7
Daniel B Kramer, Matthew R Reynolds, Sharon-Lise Normand, Craig S Parzynski, John A Spertus, Vincent Mor, Susan L Mitchell
OBJECTIVES: To evaluate the incidence and characteristics of nursing home (NH) use after implantable cardioverter-defibrillator (ICD) implantation. DESIGN: Cohort study. SETTING: Medicare beneficiaries in the National Cardiovascular Data Registry-ICD Registry. PARTICIPANTS: Individuals aged 65 and older receiving ICDs between January 1, 2006, and March 31, 2010 (N = 192,483). MEASUREMENTS: Proportion of ICD recipients discharged to NHs directly after device placement, cumulative incidence of long-term NH admission, and factors associated with immediate discharge to a NH and time to long-term NH admission...
February 2017: Journal of the American Geriatrics Society
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/28196928/healthcare-after-implantable-cardioverter-defibrillator-shocks-underuse-and-overuse
#9
EDITORIAL
Ryan T Borne, Pamela N Peterson
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28196927/healthcare-utilization-and-expenditures-associated-with-appropriate-and-inappropriate-implantable-defibrillator-shocks
#10
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/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/28185354/eligibility-of-pacemaker-patients-for-subcutaneous-implantable-cardioverter-defibrillators
#13
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/28185283/discrimination-between-qrs-and-t-waves-using-a-right-parasternal-lead-for-s-icd-in-a-patient-with-a-single-ventricle
#14
Takahiko Nishiyama, Takehiro Kimura, Nobuhiro Nishiyama, Yoshiyasu Aizawa, Keiichi Fukuda, Seiji Takatsuki
The subcutaneous implantable cardioverter-defibrillator (S-ICD) is a useful option for patients with a single ventricle (SV) in which transvenous leads are contraindicated because of intracardiac shunts. We report a case in which a right parasternal lead placement was indicated for an S-ICD in a resuscitated patient with an SV. There were significant changes in the magnitude of R to T waves ratio in the right compared to left parasternal lead position. Screening in the right parasternal position is effective for selecting appropriate patients with CHD for S-ICD implantations...
February 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28185079/-a%C3%A2-life-saving-shock-from-a%C3%A2-subcutaneous-icd-during-skydiving
#15
Stefan Baumann, Susanne Roeger, Tobias Becher, Ibrahim Akin, Martin Borggrefe, Juergen Kuschyk
We report the case of a 38-year-old man who was implanted a subcutaneous implantable cardioverter-defibrillator (S-ICD) and then performed a skydive from a height of 3000 m. During the jump, he lost consciousness due to ventricular fibrillation (VF). The S‑ICD detected the VF properly and successfully shocked the arrhythmia. Our illustrative case emphasizes the S‑ICD as an appropriate therapy in patient with life-threatening arrhythmias even under extreme conditions.
February 9, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28182232/the-subcutaneous-implantable-cardioverter-defibrillator
#16
Jan Steffel
No abstract text is available yet for this article.
January 21, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28182222/the-subcutaneous-implantable-cardioverter-defibrillator-state-of-the-art-review
#17
Christopher J McLeod, Lucas Boersma, Hideo Okamura, Paul A Friedman
No abstract text is available yet for this article.
January 21, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28181727/significant-discrepancy-between-estimated-and-actual-longevity-in-st-jude-medical-sjm-implantable-cardioverter-defibrillators
#18
Harish Doppalapudi, James Barrios, Jose Cuellar, Melanie Gannon, Takumi Yamada, Vineet Kumar, William R Maddox, Vance J Plumb, Todd M Brown, H Tom McElderry
BACKGROUND: Real-time estimated longevity has been reported in pacemakers for several years, and was recently introduced in ICDs. OBJECTIVE: We sought to evaluate the accuracy of this longevity estimate in St. Jude Medical (SJM) ICDs, especially as the device battery approaches depletion. METHODS: Among patients with SJM ICDs who underwent generator replacements due to reaching elective replacement indicator (ERI) at our institution, we identified those with devices that provided longevity estimates and reviewed their device interrogations in the 18 months prior to ERI...
February 9, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28180011/the-challenges-of-living-with-an-implantable-cardioverter-defibrillator-a-qualitative-study
#19
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
#20
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
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