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September 1, 1998Journal of Cardiovascular Electrophysiology

Three lead systems had lower ADER than the standard RA to CS configuration (143+/-58 V), with the lowest being RA-SVC to CS at 103+/-29 V.

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Why the study?

Does adding an additional shocking electrode reduce atrial defibrillation energy requirements in a canine model of atrial fibrillation?

Population

9 dogs with atrial fibrillation (AF) induced by rapid atrial pacing

Comparison

Various multi-electrode shocking configurations vs Standard right atrial appendage as anode and…

Design

Preclinical

Authors

DKDavid KrumJHJohn HareKMKashef Mughal

Discussion

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Overview

May lower energy needs in canine AF models; leaves open translation to human practice.

Structured PICO

Does adding an additional shocking electrode reduce atrial defibrillation energy requirements in a canine model of atrial fibrillation?

P
Population
9 dogs with atrial fibrillation (AF) induced by rapid atrial pacing
I
Intervention
Various multi-electrode shocking configurations (e.g., RA-SVC to CS, I-CS to RA, P-CS to RA)
C
Comparator
Standard right atrial (RA) appendage as anode and coronary sinus (CS) as cathode configuration
O
Outcome
Atrial defibrillation energy requirements (ADER), defined as the voltage needed to defibrillate the atria in 10% to 90% of 20 consecutive shockssurrogate

Adding an additional shocking electrode, such as RA-SVC to CS, reduces atrial defibrillation energy requirements compared to standard RA to CS configuration in a canine model.

Cite This Study

Krum et al. (1998) studied this question.

synapsesocial.com/papers/6a7f1491bee7e68e4c69a1d7https://doi.org/10.1111/j.1540-8167.1998.tb00141.x
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Also Consider

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

  1. 1Right Atrial Septal Electrode for Reducing the Atrial Defibrillation Threshold2001 · 9 citations
  2. 2Optimization of Atrial Defibrillation with a Dual‐Coil, Active Pectoral Lead System2004 · 7 citations
  3. 3Transseptal Defibrillation Is Superior for Transvenous Defibrillation1995 · 14 citations
  4. 4What is the optimal electrode configuration for atrial defibrillators in man?2002 · 12 citations
  5. 5Internal Cardioversion of Atrial Fibrillation1997 · 24 citations