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October 20, 2015Circulation Arrhythmia and ElectrophysiologyOpen Access

DEEP mapping was more specific than LP mapping for identifying the critical targets of VT ablation.

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Why the study?

Does DEEP mapping improve specificity compared to LP mapping for identifying critical targets of VT ablation?

Population

Patients undergoing ventricular tachycardia (VT) ablation

Comparison

Decrement Evoked Potential (DEEP) mapping vs Late Potential (LP) mapping

Design

Other

Authors

NJN. JacksonSGSigfús GizurarsonKVKarthik Viswanathan

Discussion

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Overview

Supports greater specificity of DEEP versus LP mapping in VT ablation; hypothesis-generating pending prospective validation.

Structured PICO

Does DEEP mapping improve specificity compared to LP mapping for identifying critical targets of VT ablation?

P
Population
Patients undergoing ventricular tachycardia (VT) ablation
I
Intervention
Decrement Evoked Potential (DEEP) mapping
C
Comparator
Late Potential (LP) mapping
O
Outcome
Specificity for identifying the critical targets of VT ablationsurrogate

DEEP mapping offers higher specificity than LP mapping for identifying critical targets during VT ablation, driven by conduction velocity restitution in scar channels.

Cite This Study

Jackson et al. (2015) studied this question.

synapsesocial.com/papers/69d572cd75589c71d767e7d2https://doi.org/10.1161/circep.115.003083
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Also Consider

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  1. 1Reentrant Ventricular Arrhythmias in the Late Myocardial Infarction Period: 14. Mechanisms of Resetting, Entrainment, Acceleration, or Termination of Reentrant Tachycardia by Programmed Electrical Stimulation1987 · 89 citations
  2. 2Entrainment of ventricular tachycardia: explanation for surface electrocardiographic phenomena by analysis of electrograms recorded within the tachycardia circuit.1988 · 85 citations
  3. 3Catheter Ablation of Ventricular Tachycardia in Remote Myocardial Infarction:2003 · 96 citations
  4. 4Entrainment/Mapping Criteria for the Prediction of Termination of Ventricular Tachycardia by Single Radiofrequency Lesion in Patients With Coronary Artery Disease1999 · 148 citations
  5. 5Elimination of Local Abnormal Ventricular Activities2012 · 646 citations