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January 10, 2026Circulation Journal0 citationsOpen Access

Risk Stratification for Ventricular Arrhythmia Following Ventricular Function Recovery

TCToshinori ChibaYKYusuke KondoYKYoshio Kobayashi

Key Points

  • To identify risk factors associated with ventricular arrhythmia following recovery of ventricular function.
  • Conducted an observational cohort analysis

Structured PICO

Does incorporating ventricular function recovery improve risk stratification for sudden cardiac death and appropriate ICD therapy in heart failure patients compared to relying solely on baseline LVEF?

P
Population
Heart failure patients considered for primary prevention implantable cardioverter-defibrillator (ICD) therapy in Japan
I
Intervention
Risk stratification incorporating ventricular functional recovery (LVEF improvement to ≥35%) and structural information
C
Comparator
Current criteria relying solely on baseline LVEF <35% and non-sustained ventricular tachycardia (NSVT)
O
Outcome
Sudden cardiac death and appropriate ICD therapieshard clinical

Relying solely on baseline LVEF to guide primary prevention ICD implantation is insufficient; incorporating LVEF improvement offers a complementary approach to refine patient selection and risk stratification.

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Cite This Study

Chiba et al. (2025) studied this question.

synapsesocial.com/papers/6963222f91e05aa366cb8c0chttps://doi.org/10.1253/circj.cj-25-1078
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