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July 1, 1990Circulation ResearchOpen Access

Circus movement atrial flutter in the canine sterile pericarditis model. Activation patterns during initiation, termination, and sustained reentry in vivo.

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Population

Dogs with sterile pericarditis (canine sterile pericarditis model)

Design

Preclinical

Authors

WSWolfgang SchoelsStadtwerke Duisburg (Germany)WGWilliam B. GoughUCB Pharma (Belgium)MRMark RestivoVA NY Harbor Healthcare System

Discussion

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Implication

Single-loop reentry predominates in this pericarditis model; extends mechanistic insights but leaves open human translation.

Structured PICO

P
Population
Dogs with sterile pericarditis (canine sterile pericarditis model)
I
Intervention
In situ mapping of the atrial epicardial surface using a 'jacket electrode' with 111 bipolar electrodes in a nylon matrix
O
Outcome
Activation patterns during initiation, termination, and sustained reentry of atrial fluttersurrogate

In a canine sterile pericarditis model, single-loop reentry is the common pattern during atrial flutter, driven by the interaction of the AV ring, a functional arc of block, and a zone of slow conduction.

Cite This Study

Schoels et al. (1990) studied this question.

synapsesocial.com/papers/6a836c93045de365ce2d0587https://doi.org/10.1161/01.res.67.1.35

Topics

Pericardial disease
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Also Consider

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

  1. 1Circus movement in rabbit atrial muscle as a mechanism of tachycardia. II. The role of nonuniform recovery of excitability in the occurrence of unidirectional block, as studied with multiple microelectrodes.1976 · 480 citations
  2. 2Relation of canine atrial activation sequence to anatomic landmarks1982 · 32 citations
  3. 3Reentrant ventricular arrhythmias in the late myocardial infarction period. 12. Spontaneous versus induced reentry and intramural versus epicardial circuits1985 · 79 citations
  4. 4Influences of anisotropic tissue structure on reentrant circuits in the epicardial border zone of subacute canine infarcts.1988 · 522 citations
  5. 5Canine ventricular arrhythmias in the late myocardial infarction period. 8. Epicardial mapping of reentrant circuits.1981 · 256 citations