A Comparison of ICD Implantations in the United States Versus Italy

Greenberg, Steven M.; Epstein, Andrew E.; Deering, Thomas F.; Goldman, Daniel S; Ghidina, Marco; Neason, B S Curtis; Proclemer, Alessandro

doi:10.1111/j.1540-8159.2007.00625.x

Cited by 11 publications

(13 citation statements)

References 13 publications

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“…There were 82% primary and 18% secondary prevention indications in the ICD therapy registry collected from December 2004 to April 2005 in the United States, compared with 42% primary and 58% secondary prevention indications in the Italian ICD registry collected from January to December 2005 ( p <0.0001) [11]. In a comparison of the 2006–2010 data for ICD and CRT‐D use in this study, there was a significantly ( p <0.0001) lower primary prevention rate (38.7%) in Japan than that in Italy in 2005 [11].…”

Section: Discussionmentioning

confidence: 94%

“…Implantable cardioverter‐defibrillators (ICD), cardiac resynchronization therapy defibrillators (CRT‐D), and cardiac resynchronization therapy (CRT‐P) are useful tools for improving the prognosis and/or sudden cardiac death event rate in patients with heart failure and/or fatal ventricular arrhythmias [ventricular tachycardia (VT) and ventricular fibrillation (VF)] [1–9]. The ICD implantation rate increased significantly worldwide [10–12] following controlled studies of primary and secondary prevention of cardiac death [13–19]. New guidelines for ICD implantation [12] and the progressive technological advances in implantable devices have also contributed to this ongoing increasing trend.…”

Section: Introductionmentioning

confidence: 99%

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Actual conditions of implantable defibrillation therapy over 5 years in Japan

Shimizu

Nitta

Kurita

et al. 2012

Journal of Arrhythmia

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a b s t r a c tPurpose: The aim of this study was to describe the recent conditions associated with implantable defibrillation therapy for individual underlying heart diseases. Methods: Ten thousand six hundred and five patients with implantable cardioverter-defibrillators (ICDs) or cardiac resynchronization therapy defibrillators (CRT-Ds) that were implanted from 2006 to 2010 were selected from the Japan Cardiac Device Therapy Registry database. They were divided into 12 disease categories and further divided into either primary or secondary prevention of sudden cardiac death. Results: The major underlying diseases of the patients in this cohort were ischemic heart disease (IHD, 35%), dilated cardiomyopathy (DCM, 25%), hypertrophic cardiomyopathy (HCM, 8%), and Brugada syndrome (Brugada, 8%). There were no structural heart diseases in this cohort; the incidence of IHD was relatively lower than that of western countries, while the incidence of cardiomyopathy was higher. The percentage of primary prevention (% primary) among the individual diseases varied. IHD was the most prevalent underlying condition in the patient cohort; however, the % primary was 33%, which was relatively lower than that of the other structural heart diseases. The % primary was relatively higher in patients with DCM (57%) and Brugada (47%). Over 5 years, the % primary gradually increased in patients with DCM, IHD, and HCM, with a particularly dramatic increase in those with DCM. A decrease in the % primary among patients with Brugada began in 2008. Conclusions: In patients that underwent implantable defibrillation therapy, there was a relatively lower % primary in the IHD group, and a substantial increase in the % primary in patients with DCM.

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Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Actual conditions of implantable defibrillation therapy over 5 years in Japan

Shimizu

Nitta

Kurita

et al. 2012

Journal of Arrhythmia

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“…However, there were 82% primary and 18% secondary prevention indications in ICD therapy (ACT registry in the USA. 72 Significant differences were observed in the types of indications for ICDs between ACT and JCDTR. 69,72 These observations indicate a need for further investigations to determine if these differences make different QOL and clinical outcomes.…”

Section: Current Status In Japanmentioning

confidence: 96%

“…72 Significant differences were observed in the types of indications for ICDs between ACT and JCDTR. 69,72 These observations indicate a need for further investigations to determine if these differences make different QOL and clinical outcomes. Therefore, the large randomized studies are needed to resolve whether there are differences on the efficacy of CRT and ICD between the Western countries and Japan.…”

Section: Current Status In Japanmentioning

confidence: 96%

Cardiac Resynchronization Therapy With and Without Implantable Cardioverter-Defibrillator

Shimizu

2009

Circ J

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Cardiac resynchronization therapy (CRT) is recommended to reduce morbidity and mortality in patients with New York Heart Association class III/IV, who are symptomatic despite optimal medical therapy, and who had a reduced left ventricle (LV) ejection fraction and electrical dyssynchrony. The effects of CRT are reflected mainly by the degree and location of dyssynchrony and by working in insertion of optimal LV lead site. Echocardiography and Doppler echocardiography are considered to be good tools to measure LV dyssynchrony directly. However, the large randomized trials have shown that no single echocardiographic measure of dyssynchrony is recommended to improve patient selection for CRT beyond current guidelines. There were several unsolved issues on CRT, such as patient selection, electrical or electromechanical dyssynchrony criteria to patients for CRT, indication of patients with a narrow or slightly prolonged QRS width, indication of patients with atrial fibrillation, and indication of patients with mild heart failure or asymptomatic LV dysfunction, and device selection; CRT alone (CRT-P) or CRT in combination with implantable cardioverter therapy (CRT-D). This review paper summarized the concept of therapy, the current evidence regarding the indications, effectiveness and safety of CRT-P and CRT-D in patients with LV dysfunction, and unsolved issues.

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“…10)11) Implantable cardioverter defibrillators (ICDs) are mostly implanted in elderly patients with prior myocardial infarction or ischemic heart disease in western countries, 12) but young adults with Brugada syndrome comprise a significant proportion of the ICD treatment group in Korea. …”

Section: )9)mentioning

confidence: 99%

Two Cases of an Implantation of a Permanent Pacemaker Using a Transaxillary Incision

et al. 2008

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In surgeries that require the implantation of a pacemaker, the endocardial pacemaker leads are introduced into the cardiac chambers through subclavian or axillary venous catheterization or cephalic vein cutdown. The drawback of this type of surgery is scarring of the pectoral area, which can be a serious cosmetic problem especially for young women. In this study, we report on 2 cases where a permanent pacemaker in two young women with symptomatic bradycardia was implanted using a transaxillary incision. Both patients successfully recovered with no complications and were asymptomatic for more than 17 months after the procedure. Therefore, we found that implantation of a pacemaker via transaxillary incision provided excellent cosmetic results and should be considered in young women that require this type of surgery. (Korean Circ J 2008;38:500-504)

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A Comparison of ICD Implantations in the United States Versus Italy

Cited by 11 publications

References 13 publications

Actual conditions of implantable defibrillation therapy over 5 years in Japan

Actual conditions of implantable defibrillation therapy over 5 years in Japan

Cardiac Resynchronization Therapy With and Without Implantable Cardioverter-Defibrillator

Two Cases of an Implantation of a Permanent Pacemaker Using a Transaxillary Incision

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