TY - JOUR
T1 - Successful targeted ablation of the pathway potential in the noncoronary cusp of the aortic valve in an infant with incessant orthodromic atrioventricular reentrant tachycardia
AU - Balasundaram, Ramprakash
AU - Rao, Hygriv
AU - Asirvatham, Samuel J.
AU - Narasimhan, Calambur
PY - 2009/2
Y1 - 2009/2
N2 - Targeted Ablation of Pathway Potential in the Noncoronary Cusp. A 4-month-old infant presented with incessant SVT and severe failure to thrive. At EP study, orthodromic-reciprocating tachycardia using an anteroseptal accessory pathway was identified. Detailed mapping on the right atrial septum failed to disclose a distinctly early site of atrial activation or a near-field pathway potential. Mapping in the noncoronary cusp of the aortic valve identified a discrete pathway potential that was successfully targeted for ablation. At 12-month follow-up after the procedure, there had been no recurrence of tachycardia. Conclusion: Myocardial fibers above the aortic valve cusps may constitute the atrioventricular bypass connection and can be identified and targeted for successful ablation even in infants.
AB - Targeted Ablation of Pathway Potential in the Noncoronary Cusp. A 4-month-old infant presented with incessant SVT and severe failure to thrive. At EP study, orthodromic-reciprocating tachycardia using an anteroseptal accessory pathway was identified. Detailed mapping on the right atrial septum failed to disclose a distinctly early site of atrial activation or a near-field pathway potential. Mapping in the noncoronary cusp of the aortic valve identified a discrete pathway potential that was successfully targeted for ablation. At 12-month follow-up after the procedure, there had been no recurrence of tachycardia. Conclusion: Myocardial fibers above the aortic valve cusps may constitute the atrioventricular bypass connection and can be identified and targeted for successful ablation even in infants.
KW - Accessory pathway
KW - Aortic valve
KW - Atrioventricular reentrant tachycardia
KW - Electrophysiology
KW - Radiofrequency ablation
KW - Supraventricular tachycardia
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U2 - 10.1111/j.1540-8167.2008.01279.x
DO - 10.1111/j.1540-8167.2008.01279.x
M3 - Article
C2 - 18775046
AN - SCOPUS:59149088806
SN - 1045-3873
VL - 20
SP - 216
EP - 220
JO - Journal of cardiovascular electrophysiology
JF - Journal of cardiovascular electrophysiology
IS - 2
ER -