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KMID : 0367419940370070969
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Journal of Korean Pediatric Society
1994 Volume.37 No. 7 p.969 ~ p.975
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Atrial Flutter Conversion in Infants and Children Using Transesophageal Atrial Pacing
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고재곤
김성호/배은정/강이석/이홍재
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Abstract
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Atrial flutter is and infrequent, but potentially unstable tachyarrythmia that occurs in pediatric ages.
Transesophageal atrial pacing was used for treatment of 10 episodes of atrial flutter in 7 patients. At the time of atrial flutter conversion, patients were 6 days to 14 years old. 6 patients had associated with congenital heart disease.
The atrial cycle length of atrial flutter ranged from 140 to 280 msec with variable atrioventricular conduction. Transesophageal atrial pacing was performed using a bipolar 4 F transesophageal electrode catheter. Atrial flutter conversion was
accomplished with stimulation bursts using about 5 seconds of stimuli, 10 msec in duration at 20 to 27 mA. Pacing cycle length was 45 to 110 msec less than the atrial cycle length of tachycardia in 6 episodes. But in a neonate, underdrive pacing
converted atrial flutter to sinus rhythm. Conversion attempts were unsuccessful on 2 occasions.
Transesophageal atrial pacing is a safe and effective, minimally invasive technique for treatment of atrial flutter in infants and children.
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