Key result
Mechanical accessory pathway ablation during mapping eliminates preexcitation through 15-month follow-up in an infant.
Why the study?
Permanent mechanical ablation of an accessory atrioventricular pathway in infants has not been well documented.
Mechanical trauma during electrophysiological mapping can result in permanent ablation of an accessory pathway in infants.
May indicate mechanical trauma as pathway elimination mechanism in infants; hypothesis-generating and should not yet change practice.
Permanent mechanical ablation of an accessory atrioventricular pathway was observed in an infant during intracavitary electrophysiological mapping. The persistent lack of preexcitation was confirmed during a 15-month follow-up period.
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Mangieri et al. (1996) studied this question. Mechanical catheter ablation of an accessory pathway during electrophysiological mapping in an infant resulted in persistent elimination of preexcitation over a 15-month follow-up.
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