What does this research mean for the field?

In canine atrial flutter, short cycle length left atrial tachycardias cause right atrial dissociation due to non-uniform propagation, and circus movement re-entry involves varying path lengths determined by anatomical obstacles combined with areas of functional block. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

January 1, 1998Japanese Circulation JournalOpen Access

Varying Types of Circus Movement Re-Entry With Both Normal and Dissociated Contralateral Conduction Causing Different Right and Left Atrial Rhythms in Canine Atrial Flutter

View Full Paper

Ask AI

Bookmark

Why the study?

Does programmed electrical stimulation induce atrial flutter or fibrillation and reveal activation pathways in a canine model of left atrial enlargement?

Population

10 dogs with a shunt from the left subclavian artery to the left upper pulmonary vein created to produce…

Design

Preclinical

Follow-up

5 months

Authors

SYShigeo YamauchiNara Women's University JBJohn P. BoineauElectrophysiology RSRichard B. SchuesslerElectrophysiology

Discussion

Member takes

Implication

Should not change practice; leaves open whether left atrial enlargement promotes similar reentry in human atrial arrhythmias.

Structured PICO

Does programmed electrical stimulation induce atrial flutter or fibrillation and reveal activation pathways in a canine model of left atrial enlargement?

Population

10 dogs with a shunt from the left subclavian artery to the left upper pulmonary vein created to produce left atrial enlargement

Intervention

Programmed electrical stimulation 5 months after shunt creation

Outcome

Pathway of atrial activation during arrhythmias induced by programmed stimulationsurrogate

This canine model demonstrates that left atrial enlargement facilitates the induction of atrial flutter and fibrillation, with complex re-entrant pathways shaped by anatomical and functional barriers.

Cite This Study

Yamauchi et al. (1998) studied this question.

synapsesocial.com/papers/6a15533379ff98d0de4e72b3 https://doi.org/10.1253/jcj.62.201

Topics

Atrial fibrillation Persistent AF management

View Full Paper

Ask AI

Bookmark

Varying Types of Circus Movement Re-Entry With Both Normal and Dissociated Contralateral Conduction Causing Different Right and Left Atrial Rhythms in Canine Atrial Flutter

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Topics

Varying Types of Circus Movement Re-Entry With Both Normal and Dissociated Contralateral Conduction Causing Different Right and Left Atrial Rhythms in Canine Atrial Flutter

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Topics

Also Consider