Key result
Intracardiac stimulation techniques combined with activation mapping successfully converted 19 of 21 episodes of atrial flutter to sinus rhythm in patients with complex congenital heart disease.
Why the study?
Does intracardiac stimulation combined with activation mapping convert atrial flutter to sinus rhythm in patients with complex congenital heart disease?
Observational (n=16)
Does intracardiac stimulation combined with activation mapping convert atrial flutter to sinus rhythm in patients with complex congenital heart disease?
Intracardiac stimulation techniques are highly successful for converting atrial flutter to sinus rhythm in patients with complex congenital heart disease, avoiding the need for general anesthesia and high-energy cardioversion.
May reduce cardioversion needs in complex congenital heart disease; leaves open need for controlled trials.
Sixteen patients presenting on 21 occasions with atrial flutter in association with complex congenital heart disease were treated by intracardiac stimulation techniques combined with activation mapping. Nineteen episodes of atrial flutter were successfully converted to sinus rhythm. In the remaining two episodes atrial fibrillation was induced with spontaneous conversion to sinus rhythm within 12 hours in one episode and immediate DC cardioversion to sinus rhythm in the other. Intracardiac stimulation techniques were highly successful in this group and allowed reliable conversion to sinus rhythm without general anaesthesia and high energy cardioversion. In patients with atrial flutter associated with congenital heart disease intracardiac stimulation techniques should be tried first.
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Cunningham et al. (1991) conducted an observational in Atrial flutter in association with complex congenital heart disease (n=16). Intracardiac stimulation techniques combined with activation mapping was evaluated on Conversion to sinus rhythm. Intracardiac stimulation techniques combined with activation mapping successfully converted 19 of 21 episodes of atrial flutter to sinus rhythm in patients with complex congenital heart disease.
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