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September 5, 2026EP EuropaceOpen Access

Impaired Sinus Rate Behaviour During Ventricular Arrhythmia Is Associated With Adverse Outcomes in ICD Recipients

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Why the study?

Is impaired sinus rate behaviour during ventricular arrhythmia associated with adverse outcomes in ICD recipients?

Population

ICD recipients

Design

Cohort

Key result

Impaired sinus rate behavior during ventricular arrhythmia is associated with adverse outcomes in ICD recipients.

Authors

MBMaarten BlondeelSGStien GorisEGEva Goethals

Discussion

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Overview

May refine risk stratification in ICD recipients; leaves open whether sinus rate behavior identifies modifiable targets.

Key Points

  • To evaluate the relationship between sinus rate dynamics during episodes of ventricular arrhythmia and subsequent clinical outcomes in patients with implantable cardioverter-defibrillators (ICDs).
  • Analyzed electrogram recordings and sinus rate behavior during ventricular arrhythmia episodes in recipients of implantable cardioverter-defibrillators.
  • Abnormal or blunted sinus rate responses during ventricular arrhythmia episodes were significantly associated with an increased incidence of adverse clinical outcomes.

Structured PICO

Is impaired sinus rate behaviour during ventricular arrhythmia associated with adverse outcomes in ICD recipients?

P
Population
ICD recipients
I
Intervention
Impaired sinus rate behaviour during ventricular arrhythmia
O
Outcome
Adverse outcomes

Impaired sinus rate behaviour during ventricular arrhythmia may be a marker for adverse outcomes in patients with ICDs.

Cite This Study

Blondeel et al. (2026) studied this question. Impaired sinus rate behavior during ventricular arrhythmia is associated with adverse outcomes in ICD recipients.

synapsesocial.com/papers/6a9bd4126b95aff0620eb708https://doi.org/10.1093/europace/euag251
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