Implantable Cardioverter Defibrillator
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2021 ◽  
Vol 16 (11) ◽  
pp. 3152-3156
Author(s):  
George Horani ◽  
Kevin Hosein ◽  
Rahul Kumar ◽  
Fayez Shamoon

2021 ◽  
Vol 69 ◽  
pp. 111-118
Author(s):  
Hideki Itoh ◽  
Takashi Murayama ◽  
Nagomi Kurebayashi ◽  
Seiko Ohno ◽  
Takuya Kobayashi ◽  
...  

2021 ◽  
Author(s):  
Ravi Vijapurapu ◽  
William Bradlow ◽  
Francisco Leyva ◽  
James C Moon ◽  
Abbasin Zegard ◽  
...  

Abstract BackgroundFabry disease (FD) is a treatable X-linked condition leading to progressive cardiac disease, arrhythmia and premature death. We aimed to increase awareness of the arrhythmogenicity of Fabry cardiomyopathy, by comparing device usage in patients with Fabry cardiomyopathy and sarcomeric HCM. All Fabry patients with an implantable cardioverter defibrillator (ICD) implanted in the UK over a 17 year period were included. A comparator group of HCM patients, with primary prevention ICD implantation, were captured from a regional registry database. ResultsIndications for ICD in FD varied with 82% implanted for primary prevention based on multiple potential risk factors. In FD and HCM primary prevention devices, arrhythmia occurred more frequently in FD over shorter follow-up (HR 4.2,p<0.001). VT requiring therapy was more common in FD (HR 4.5,p=0.002). Immediate shock therapy for sustained VT was also more common (HR 2.5,p<0.001). There was a greater burden of AF needing anticoagulation and NSVT in FD (AF: HR 6.2,p=0.004, NSVT: HR 3.1,p<0.001). ConclusionThis study demonstrates arrhythmia burden and ICD usage in FD is high, suggesting that Fabry cardiomyopathy may be more ‘arrhythmogenic’ than previously thought. Existing risk models cannot be mutually applicable and further research is needed to provide clarity in managing Fabry patients with cardiac involvement.


Author(s):  
Diana M. Frodi ◽  
Maarten Z.H. Kolk ◽  
Joss Langford ◽  
Tariq O. Andersen ◽  
Reinoud E. Knops ◽  
...  

Author(s):  
Sidhi Laksono ◽  
Budhi Setianto ◽  
Mohammad Iqbal ◽  
Ananta Siddhi Prawara

AbstractThis study aimed to figure out the incidence and predictors of pacemaker-induced cardiomyopathy (PICM) in patients with right ventricular (RV) pacing. We systematically searched in PubMed on March 18, 2020, for English language abstract and full-article journals, using the following criteria: pacemaker induced cardiomyopathy AND right ventricular AND pacemaker AND patients AND human NOT implantable cardioverter defibrillator NOT ICD NOT animal. Four studies were included in this review after filtering 35 studies through year of publication and abstract selection. The average PICM incidence from 1,365 patients included from the four studies was 10.7 to 13.7%. One study stated that preimplantation left ventricular ejection fraction (LVEF) was the predictor for the development of PICM. Three studies mentioned that RV pacing burden was the predictor for the development of PICM. However, the percentage differ in three studies: ≥20, >40, and 60%. In addition, one of the studies also included interventricular dyssynchrony as another predictor. The incidence of PICM in patients with RV pacing ranged from 10.7 to 13.7%. Preimplantation LVEF, interventricular dyssynchrony, and burden of RV pacing are reported as the predictors for the development of PICM in patients with RV pacing.


2021 ◽  
Vol 23 (Supplement_E) ◽  
pp. E112-E117
Author(s):  
Carlo Pappone ◽  
Gabriele Negro ◽  
Giuseppe Ciconte

Abstract Sudden cardiac death (SCD) is a relevant contributor to cardiovascular mortality, often occurring as a dramatic event. It can be the consequence of a ventricular tachycardia/fibrillation (VT/VF), a common and life-threatening arrhythmia. The underlying mechanisms of this catastrophic arrhythmia are poorly known. In fact, it can occur in the presence of a structural heart condition which itself generates the suitable substrate for this arrhythmia. Nevertheless, a VF may cause SCD also in young and otherwise healthy individuals, without overt structural abnormalities, generating difficulties in the screening and prevention of these patients. The implantable cardioverter-defibrillator represents the only therapy to contrast SCD by treating a VT/VF; however, it cannot prevent the occurrence of such arrhythmias. Catheter ablation is emerging as an essential therapeutic tool in the management of patients experiencing ventricular arrhythmias.


2021 ◽  
Vol 79 (9) ◽  
pp. 1025-1027
Author(s):  
Maciej Jan Pitak ◽  
Marek Jastrzębski ◽  
Anna Rudek-Budzyńska ◽  
Piotr Weryński ◽  
Joachim Winter ◽  
...  

Author(s):  
Naga Venkata Pothineni ◽  
Tharian Cherian ◽  
Neel Patel ◽  
Jeffrey Smietana ◽  
David Frankel ◽  
...  

Background: The subcutaneous implantable-cardioverter defibrillator (S-ICD) is an appealing alternative to transvenous ICD systems. However, data on indications for S-ICD explantations are sparse. Objectives: To assess incidence and indications for S-ICD explantation at a large tertiary referral center. Methods: We conducted a retrospective study of all S-ICD explantations performed from 2014 to 2020. Data on demographics, comorbidities, implantation characteristics, and indications for explantation, were collected. Results: A total of 64 patients underwent S-ICD explantation during the study period. During that time, there were 410 S-ICD implantations at our institution of which 53 (12.9%) were explanted with a mean duration from implant to explant of 19.7±20.1 months. The mean age of the patients at explantation was 44.8±15.3 years, and 42% (n=27) were female. The indication for S-ICD implantation was primary prevention in 58% and secondary prevention in 42% of the patients. The most common reason for explantation was infection (32.8%) followed by abnormal sensing (25%) and need for pacing (18.8%). Those who underwent S-ICD explantation for pacing indications were significantly older (55.7±13.6 vs 42.3± 14.6 years, p = 0.005) with a wider QRS duration (111±19 ms vs 98±19 ms, p = 0.03) at device implantation compared to patients who underwent explantation for other indications. Conclusion: Incidence of S-ICD explantation in a large tertiary practice was 12.9%. While infection was the indication for a third of the explantations, a significant number were due to sensing abnormalities and need for pacing. These data may have implications for patient selection for S-ICD implantation.


Author(s):  
Yoshinari Enomoto ◽  
Mahito Noro ◽  
Yasutake Toyoda ◽  
Rina Ishii ◽  
Masako Asami ◽  
...  

2021 ◽  
pp. 1-3
Author(s):  
Sezen Gulumser Sisko ◽  
Hasan Candas Kafali ◽  
Yakup Ergul

Abstract We report a patient with long QT syndrome who received an inappropriate implantable cardioverter-defibrillator shock due to electrical interference from a refrigerator. This electrical interference was mistakenly detected as an episode of ventricular fibrillation and ended with an inappropriate delivery of shock without any warning symptoms before.


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