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February 13, 2008Journal of Cardiovascular Electrophysiology

Time‐Dependence of Appropriate Implantable Defibrillator Therapy in Patients with Ischemic Cardiomyopathy

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Why the study?

Does the risk of appropriate ICD therapy persist over time in primary prevention patients with prior MI and LVEF ≤35%?

Population

525 patients with prior myocardial infarction and reduced left ventricular ejection fraction who received an…

Design

Cohort

Follow-up

up to 7 years

Authors

AAAlawi Alsheikh‐AliElectrophysiologyMHMichael HomerReproductive Science CenterPMPrasad MaddukuriSaint Vincent Hospital

Discussion

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Implication

Risk persists at 6-11% yearly beyond year 1 in ischemic cardiomyopathy; leaves open whether findings justify routine generator replacement.

Structured PICO

Does the risk of appropriate ICD therapy persist over time in primary prevention patients with prior MI and LVEF ≤35%?

P
Population
525 patients with prior myocardial infarction (MI) and reduced left ventricular ejection fraction (LVEF ≤35%) who received an implantable cardioverter-defibrillator (ICD) for primary prevention in routine clinical practice.
I
Intervention
Implantable cardioverter-defibrillator (ICD) for primary prevention
O
Outcome
Incidence and time-dependence of first appropriate ICD therapy for ventricular arrhythmia (VA) and rapid VA (cycle length ≤260 ms)hard clinical

The risk of appropriate ICD therapy in primary prevention patients with ischemic cardiomyopathy persists for up to seven years, supporting the clinical indication for device replacement.

Cite This Study

Alsheikh‐Ali et al. (2008) studied this question.

synapsesocial.com/papers/6a881305ce59b4d55bcf07c2https://doi.org/10.1111/j.1540-8167.2008.01111.x

Topics

Ventricular arrhythmiasCardiac device therapyCardiomyopathyWomen and heart disease
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Also Consider

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