Key result
Pacing-induced chronic atrial fibrillation in dogs induces sinus node dysfunction, prolongs intra-atrial conduction time, shortens atrial refractoriness, and perpetuates AF.
Why the study?
Does pacing-induced chronic AF impair sinus node function, intra-atrial conduction, and atrial refractoriness in dogs?
Does pacing-induced chronic AF impair sinus node function, intra-atrial conduction, and atrial refractoriness in dogs?
Pacing-induced chronic AF in dogs causes reversible sinus node dysfunction and electrical remodeling that perpetuates AF.
No takes yet. Share an insight, caveat, or question.
Should not change clinical AF practice; hypothesis-generating for reversible remodeling, requiring human validation.
Elvan et al. (1996) studied Atrial fibrillation (n=15). Rapid atrial pacing to induce AF + VVI pacing vs. VVI pacing alone was evaluated on Sinus node function, intra-atrial conduction, and atrial refractoriness. Pacing-induced chronic atrial fibrillation in dogs induces sinus node dysfunction, prolongs intra-atrial conduction time, shortens atrial refractoriness, and perpetuates AF.
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