November 14, 2012Circulation Arrhythmia and ElectrophysiologyOpen Access

Critical sites for maintenance of postinfarct ventricular tachycardia were associated with >25% scar transmurality on LGE-CMR, and slow conduction sites with >75% scar transmurality.

Q: What is the clinical evidence from this study?

Study design: Observational. Population: Ischemic cardiomyopathy (n=23). Intervention: Late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) and electroanatomic mapping. Primary outcome: Association between LGE-CMR scar characteristics and local electrograms.

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Population

23 patients with ischemic cardiomyopathy before ventricular tachycardia (VT) ablation

Design

Cohort

Key result

Critical sites for maintenance of postinfarct ventricular tachycardia were associated with >25% scar transmurality on LGE-CMR, and slow conduction sites with >75% scar transmurality.

Authors

TSTakeshi Sasaki CMChristopher F. Miller RHRozann Hansford

Discussion

Member takes

Overview

May support LGE-CMR-guided targeting of postinfarct VT sites; hypothesis-generating for prospective outcome trials.

Study Design

Type

Observational (n=23)

Structured PICO

Population

23 patients with ischemic cardiomyopathy before ventricular tachycardia (VT) ablation

Intervention

Late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) and electroanatomic mapping

Outcome

Associations among left ventricular wall thickness, postinfarct scar thickness, and intramural scar location on LGE-CMR, and local endocardial electrogram bipolar/unipolar voltage, duration, and deflections on electroanatomic mappingsurrogate

Critical sites for postinfarct VT maintenance are confined to areas with >25% scar transmurality on LGE-CMR, providing structural insights that may enhance MR-based ablation planning.

Cite This Study

Sasaki et al. (2012) conducted an observational in Ischemic cardiomyopathy (n=23). Late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) and electroanatomic mapping was evaluated on Association between LGE-CMR scar characteristics and local electrograms. Critical sites for maintenance of postinfarct ventricular tachycardia were associated with >25% scar transmurality on LGE-CMR, and slow conduction sites with >75% scar transmurality.

synapsesocial.com/papers/6a0ef366a14f152feafa1011 https://doi.org/10.1161/circep.112.970699

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November 14, 2012Circulation Arrhythmia and ElectrophysiologyOpen Access

Critical sites for maintenance of postinfarct ventricular tachycardia were associated with >25% scar transmurality on LGE-CMR, and slow conduction sites with >75% scar transmurality.

View Full Paper

Ask AI

Bookmark

Population

23 patients with ischemic cardiomyopathy before ventricular tachycardia (VT) ablation

Design

Cohort

Key result

Critical sites for maintenance of postinfarct ventricular tachycardia were associated with >25% scar transmurality on LGE-CMR, and slow conduction sites with >75% scar transmurality.

Authors

TSTakeshi Sasaki CMChristopher F. Miller RHRozann Hansford

Discussion

Member takes

Overview

May support LGE-CMR-guided targeting of postinfarct VT sites; hypothesis-generating for prospective outcome trials.

Study Design

Type

Observational (n=23)

Structured PICO

Population

23 patients with ischemic cardiomyopathy before ventricular tachycardia (VT) ablation

Intervention

Late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) and electroanatomic mapping

Outcome

Critical sites for postinfarct VT maintenance are confined to areas with >25% scar transmurality on LGE-CMR, providing structural insights that may enhance MR-based ablation planning.

Cite This Study

synapsesocial.com/papers/6a0ef366a14f152feafa1011 https://doi.org/10.1161/circep.112.970699

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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