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Implantible Cardioverter Defibrillator

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https://www.readbyqxmd.com/read/28724134/association-of-implantable-cardioverter-defibrillators-with-survival-in-patients-with-and-without-improved-ejection-fraction-secondary-analysis-of-the-sudden-cardiac-death-in-heart-failure-trial
#1
Selcuk Adabag, Kristen K Patton, Alfred E Buxton, Thomas S Rector, Kristine E Ensrud, Kairav Vakil, Wayne C Levy, Jeanne E Poole
Importance: Improvement in left ventricular ejection fraction (EF) to >35% occurs in many patients with reduced EF at baseline. To our knowledge, whether implantable cardioverter defibrillator (ICD) therapy improves survival for these patients is unknown. Objective: To examine the efficacy of ICD therapy in reducing risk of all-cause mortality and sudden cardiac death among patients with an EF ≤35% at baseline, with or without an improvement in EF to >35% during follow-up...
July 1, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28722339/structured-pain-management-reduces-patient-discomfort-after-catheter-ablation-and-rhythm-device-surgery
#2
M Dörschner, A Bollmann, B Dinov, S Richter, M Döring, A Arya, A Müssigbrodt, S Kircher, N Dagres, P Sommer, G Hindricks, K Bode
BACKGROUND: The goal was to test the effectiveness of a structured pain management programme after invasive electrophysiological interventions in cardiology including ablation of atrial fibrillation (AF) or ventricular tachycardia (VT) and implantation, or explantation, of pacemakers or implantable cardioverter defibrillators. METHODS: This was a prospective study with a pre-/post-design where a post-intervention group (116 consecutive patients) was compared to a pre-intervention group (102 consecutive patients) after implementation of a structured pain-management programme using the numeric rating scale (NRS 0-10) and classified as moderate-to-severe if NRS > 3...
July 18, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28722286/fighting-fungus-with-a-laser-and-a-hose-management-of-a-giant-candida-albicans-implantable-cardioverter-defibrillator-lead-vegetation-with-simultaneous-angiovac-aspiration-and-laser-sheath-lead-extraction
#3
Brandon M Jones, Oussama Wazni, Susan J Rehm, Mehdi H Shishehbor
Infections involving internal cardiac devices can be very challenging to treat, and almost universally require complete device extraction for successful management. Of the pathogens that cause device-related endocarditis, fungi such as Candida albicans are notoriously difficult to manage because of their propensity to produce large vegetations and the need for long-term treatment with potentially toxic medications. Furthermore, individuals who develop fungal, device-associated endocarditis are typically among the most complex patients, with significant comorbidities that place them at high risk for open heart procedures such as surgical device extraction...
July 19, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28721212/recent-advances-in-the-management-of-ventricular-tachyarrhythmias
#4
REVIEW
Syeda Atiqa Batul, Brian Olshansky, John D Fisher, Rakesh Gopinathannair
Ventricular arrhythmias are an important cause of cardiovascular morbidity and mortality, particularly in those with structural heart disease, inherited cardiomyopathies, and channelopathies. The goals of ventricular arrhythmia management include symptom relief, improving quality of life, reducing implantable cardioverter defibrillator shocks, preventing deterioration of left ventricular function, reducing risk of arrhythmic death, and potentially improving overall survival. Guideline-directed medical therapy and implantable cardioverter defibrillator implantation remain the mainstay of therapy to prevent sudden cardiac death in patients with ventricular arrhythmias in the setting of structural heart disease...
2017: F1000Research
https://www.readbyqxmd.com/read/28718277/clinical-implications-of-long-term-ecg-monitoring-from-loop-recorder-to-devices-remote-control
#5
Andrea DI Cori, Raffaele DE Lucia
Long term ECG monitoring has become nowadays an indispensable technology for prevention, management and treatment of many cardiac issues. Today long term ECG monitoring is achievable through loop recorders (LR) and cardiac devices (CIED) like pacemaker (PM), implantable cardioverter-defibrillators (ICDs) and cardiac resynchronization therapy device-defibrillators (CRT- Ds), all of which associated with remote monitoring (RM). Targeted long term ECG monitoring Patients who have recurrent non documented episodes of palpitations, unexplained episodes of syncope, cryptogenic stroke or patients with a cardiomiopathy needing a risk stratification, may benefit from long term ECG monitoring...
July 18, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28716973/incremental-benefit-of-cardiac-resynchronisation-therapy-with-versus-without-a-defibrillator
#6
Pieter Martens, Frederik H Verbrugge, Petra Nijst, Matthias Dupont, Dieter Nuyens, Hugo Van Herendael, Maximo Rivero-Ayerza, Wilson H Tang, Wilfried Mullens
OBJECTIVE: To determine the incremental value of implantable cardioverter defibrillators (ICD) in contemporary optimally treated patients with heart failure (HF) undergoing cardiac resynchronisation therapy (CRT). METHODS: Consecutive patients with HF undergoing CRT-pacemaker (CRT-P) or CRT-defibrillator (CRT-D) implantation in a single tertiary care centre between October 2008 and August 2015 were retrospectively evaluated. For patients with a primary prevention indication of the CRT-D, no benefit of the ICD was defined as absence of appropriate therapy (device analysis) or lethal ventricular tachyarrhythmias (mode of death analysis) during follow-up...
July 17, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28714616/-lifevest-a-novel-treatment-option-prior-to-implantable-cardioverter-defibrillator
#7
Hazrije Mustafić, Soran Karimzadeh, Chan-Il Park
Implantable cardioverter defibrillation has taken a predominant place in secondary and primary preventions of sudden rhythmic cardiac death in high-risk patients. However, in certain clinical situations, the implantation of definitive system should be postponed. The LifeVest, a portable external cardiac defibrillator system, has emerged as a novel therapeutic option before a final decision.
March 1, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28709811/arrhythmic-risk-stratification-in-non-ischemic-dilated-cardiomyopathy-where-do-we-stand-after-danish
#8
REVIEW
Polychronis Dilaveris, Christos-Konstantinos Antoniou, Konstantinos A Gatzoulis
Publication of the DANISH randomized trial led to considerable debate, given that it demonstrated no survival benefit stemming from current implantable cardioverter-defibrillator (ICD) allocation criteria in patients with non-ischemic dilated cardiomyopathy (NIDCM). Consequently, a thorough reconsideration of our approach to sudden cardiac death (SCD)-risk stratification appears to be in order. NIDCM encompasses a wide spectrum of disease entities, often with differing arrhythmogenicity; however, in its kernel, is still defined by the fundamentals of electrophysiology that dictate that abnormal tissue, exhibiting altered electrophysiological properties is necessary for arrhythmogenesis, but not enough, given that formation of functional circuits is required...
June 7, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28708715/relationship-of-nonseptal-late-gadolinium-enhancement-to-ventricular-tachyarrhythmia-in-hypertrophic-cardiomyopathy
#9
Yasuo Amano, Fumi Yanagisawa, Mitsunobu Kitamura, Masaki Tachi, Shinichiro Kumita
OBJECTIVE: This study aimed to determine the relationship between the extent and the location of late gadolinium enhancement (LGE) and ventricular tachyarrhythmia or implantable cardioverter defibrillator (ICD) in hypertrophic cardiomyopathy (HCM). METHODS: We enrolled 115 patients with HCM and LGE. The location of LGE was divided into septal and nonseptal segments. Clinical backgrounds and LGE were compared in patients between with and without the arrhythmia or consequent ICD installation...
July 13, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28706588/wearable-cardioverter-defibrillator-bridge-or-alternative-to-implantation
#10
REVIEW
Jeremie Barraud, Jennifer Cautela, Morgane Orabona, Johan Pinto, Olivier Missenard, Marc Laine, Franck Thuny, Franck Paganelli, Laurent Bonello, Michael Peyrol
The implantable cardioverter-defibrillator (ICD) is effective to prevent sudden cardiac death (SCD) in selected patients with heart disease known to be at high risk for ventricular arrhythmia. Nevertheless, this invasive and definitive therapy is not indicated in patients with potentially transient or reversible causes of sudden death, or in patients with temporary contra-indication for ICD placement. The wearable cardioverter defibrillator (WCD) is increasingly used for SCD prevention both in patients awaiting ICD implantation or with an estimated high risk of ventricular arrhythmia though to be transient...
June 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28706587/management-of-ventricular-tachycardia-storm-in-patients-with-structural-heart-disease
#11
REVIEW
Daniele Muser, Pasquale Santangeli, Jackson J Liang
Electrical storm (ES) is a medical emergency characterized by repetitive episodes of sustained ventricular arrhythmias (VAs) in a limited amount of time (at least 3 within a 24-h period) leading to repeated appropriate implantable cardioverter defibrillator therapies. The occurrence of ES represents a major turning point in the natural history of patients with structural heart disease being associated with poor short- and long-term survival particularly in those with compromised left ventricular ejection fraction (LVEF) that can develop hemodynamic decompensation and multi-organ failure...
June 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28705874/automated-quantification-of-low-amplitude-abnormal-qrs-peaks-from-high-resolution-ecg-recordings-predicts-arrhythmic-events-in-patients-with-cardiomyopathy
#12
Moloy Das, Adrian M Suszko, Sachin Nayyar, Karthik Viswanathan, Danna A Spears, George Tomlinson, Arnold Pinter, Eugene Crystal, Rupin Dalvi, Sridhar Krishnan, Vijay S Chauhan
BACKGROUND: Cardiomyopathy patients are at risk of sudden death, typically from scar-related abnormalities of electrical activation that promote ventricular tachyarrhythmias. Abnormal intra-QRS peaks may provide a measure of altered activation. We hypothesized that quantification of such QRS peaks (QRSp) in high-resolution ECGs would predict arrhythmic events in implantable cardioverter-defibrillator (ICD)-eligible cardiomyopathy patients. METHODS AND RESULTS: Ninety-nine patients with ischemic or non-ischemic dilated cardiomyopathy undergoing prophylactic ICD implantation were prospectively enrolled (age 62±11 years, left ventricular ejection fraction 27±7%)...
July 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28705844/ventricular-fibrillation-induced-by-high-output-icd-shock-report-of-cases-and-review-of-literature
#13
Adil Sattar, Shmuel Inbar
This report highlights the importance of realising that even the modern-day implantable cardioverter defibrillators (ICDs) with R wave synchronised appropriate shocks have a potential proarrhythmic effect. We present two cases of ventricular fibrillation induction resulting from an appropriate ICD shock observed in two different patients at our institution. Such cases have not been reported before. We discuss the possible reasons for our observations and are also submitting a pertinent literature review with our reports...
July 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28705110/an-unusual-indication-for-subcutaneous-implantable-cardioverter-defibrillator
#14
Nicolas De Schryver, Christian van Ruyssevelt, Lucio Capulzini
No abstract text is available yet for this article.
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28703268/electrical-storm-secondary-to-theophylline-prescription-in-a-patient-with-implantable-cardioverter-defibrillator
#15
Afef Ben Halima, Zied Ibn Elhadj, Marouane Boukhris, Farouk Abcha, Salem Kachboura
No abstract text is available yet for this article.
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28699936/clinician-attitudes-regarding-icd-deactivation-in-dnr-dni-patients
#16
Andrew Bradley, Adam Marks
BACKGROUND: Implantable cardioverter-defibrillators (ICDs) offer lifesaving therapies but can become burdensome at the end of life. Many ICD patients choose to implement a do-not-resuscitate/do-not-intubate (DNR/DNI) order. When hospitalized, patients are seen by a range of clinicians whose beliefs about ICD management in DNR/DNI patients may vary. OBJECTIVE: To assess clinician opinions on managing ICDs in DNR/DNI patients and stratify it by specialty and training level...
July 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28696268/personalizing-risk-stratification-for-sudden-death-in-dilated-cardiomyopathy-the-past-present-and-future
#17
REVIEW
Brian P Halliday, John G F Cleland, Jeffrey J Goldberger, Sanjay K Prasad
Results from the DANISH Study (Danish Study to Assess the Efficacy of ICDs in Patients With Non-Ischemic Systolic Heat Failure on Mortality) suggest that for many patients with dilated cardiomyopathy (DCM), implantable cardioverter-defibrillators do not increase longevity. Accurate identification of patients who are more likely to die of an arrhythmia and less likely to die of other causes is required to ensure improvement in outcomes and wise use of resources. Until now, left ventricular ejection fraction has been used as a key criterion for selecting patients with DCM for an implantable cardioverter-defibrillator for primary prevention purposes...
July 11, 2017: Circulation
https://www.readbyqxmd.com/read/28696220/prevention-of-sudden-cardiac-death-in-adults-with-congenital-heart-disease-do-the-guidelines-fall-short
#18
Jim T Vehmeijer, Zeliha Koyak, Werner Budts, Louise Harris, Candice K Silversides, Erwin N Oechslin, Berto J Bouma, Aeilko H Zwinderman, Barbara J M Mulder, Joris R de Groot
BACKGROUND: Sudden cardiac death (SCD) is a major cause of mortality in adult congenital heart disease (ACHD) patients. SCD may be prevented by implantable cardioverter-defibrillator (ICD) implantation, but patient stratification remains troublesome. The 2014 Consensus Statement on Arrhythmias in ACHD patients and the 2015 European Society of Cardiology Guidelines specified recommendations for ICD implantation in ACHD patients for the first time. We assess the discriminative ability of these ICD recommendations for SCD in ACHD patients...
July 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28696089/prevention-of-sudden-cardiac-death-from-wearable-to-subcutaneous-cardioverter-defibrillator
#19
Stefano Viani, Ezio Soldati, Andrea DI Cori, Luca Segreti, Luca Paperini, Raffaele DE Lucia, Giulio Zucchelli, Maria G Bongiorni
The implantable cardioverter defibrillator (ICD) is today an indisputable evidence-based treatment for cardiac sudden death both in primary and secondary prevention. However many clinical conditions that would represent an indication to ICD implantation, according to guidelines, may be potentially reversible or may be accompanied by temporary contraindications to the implant. Moreover transvenous cardioverter defibrillator implantation still carries a not negligible risk of complications both acutely and at follow-up...
July 10, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28694398/renal-sympathetic-denervation-assisted-treatment-of-electrical-storm-due-to-polymorphic-ventricular-tachycardia-in-a-patient-with-cathecolaminergic-polymorphic-ventricular-tachycardia
#20
Tolga Aksu, Tümer Erdem Güler, Kazım Serhan Özcan, Serdar Bozyel, Kıvanç Yalın
Electrical storm (ES) is not a rare clinical entity. Sympathetic hyperactivity may play critical role in development and continuation of ES. Some recent reports have demonstrated that catheter-based renal sympathetic denervation (RSD) may reduce sympathetic activation and have a potential role in reducing arrhythmic burden. A 46-year-old man was admitted to clinic with frequent implantable cardioverter defibrillator shocks and ES related to catecholaminergic polymorphic ventricular tachycardia (VT). Tachycardia was unresponsive to administration of beta-blockers, verapamil, and flecainide...
July 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
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