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Inducible Atrioventricular Nodal Reentry Tachycardia in Infants with a History of Neonatal Orthodromic Reciprocating Tachycardia
Author(s) -
KANNANKERIL PRINCE J.,
JOHNS JAMES A.,
FISH FRANK A.
Publication year - 2003
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1046/j.1460-9592.2003.t01-1-00260.x
Subject(s) - medicine , orthodromic , tachycardia , reentry , supraventricular tachycardia , cardiology , electrophysiology study , accessory pathway , reciprocating motion , atrioventricular reentrant tachycardia , anesthesia , electrophysiology , catheter ablation , atrial fibrillation , mechanical engineering , gas compressor , engineering
Atrioventricular nodal reentry tachycardia (AVNRT) is an uncommon mechanism of supraventricular tachycardia in neonates in whom orthodromic reciprocating tachycardia (ORT) predominates. We report three patients with structurally normal hearts who presented with neonatal ORT, documented by transesophageal electrophysiology studies at 2 to 3 weeks of age. At follow‐up study at 8–12 months of age, no infant had inducible ORT, suggesting spontaneous regression of congenital accessory pathways; however, each had inducible tachycardia consistent with the typical form of AVNRT. The clinical significance of this finding is unknown and warrants further study. (PACE 2003; 26:1735–1737)