Ablation of incessant orthodromic reciprocating tachycardia in a child with congenitally corrected transposition of great arteries and ebsteinoid malformation of left atrioventricular valve

Chavan, Chandrakant; Rao, Hygriv B.; Badani, Rajesh; Raju, P. Raghav; Narasimhan, Calambur

doi:10.1007/s10840-008-9283-5

Cited by 6 publications

(3 citation statements)

References 7 publications

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“…All the APs in patients with AV discordance were located around the anatomical TV, in close proximity to the posterior to lateral side of the valve. This finding is consistent with that of previous reports . Two patients had Ebstein‐like TV in this study.…”

Section: Discussionsupporting

confidence: 94%

“…Catheter ablation (CA) for supraventricular tachycardia (SVT), including atrioventricular reciprocating tachycardia (AVRT) caused by an accessory pathway (AP) in high‐risk groups such as those with a past history of SVT, is important because SVT may cause a collapse of hemodynamics in patients with complex congenital heart disease . Some case reports mentioned the usefulness of CA for AVRT in AV discordance; however, little is known about the effectiveness and impact of CA in patients with AV discordance in differing clinical scenarios such as those in our 11 cases. Some studies reported a high prevalence of TV anomalies in AV discordance, and some patients had Ebstein‐like/Ebsteinoid TVs .…”

Section: Introductionmentioning

confidence: 99%

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Electrophysiological features and radiofrequency catheter ablation of accessory pathways associated with atrioventricular discordance

Takeuchi

Toyohara

Shoda

et al. 2019

Cardiovasc electrophysiol

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Introduction: Although a high prevalence of the presence of an accessory pathway (AP) associated with atrioventricular (AV) discordance has been reported, a case series of its characteristics and the results of catheter ablation (CA) have not been sufficiently documented. Methods and Results:We retrospectively examined 11 consecutive patients with atrioventricular discordance who underwent CA for atrioventricular reciprocating tachycardia (AVRT) via an AP and planned cardiac surgery after CA. Orthodromic AVRTs were induced in 10 patients via AP, but no antidromic/duodromic AVRT was induced in any of the cases. A total of 13 APs were identified, and all of them were located around the anatomical tricuspid valve (TV) annulus, including two Ebsteinoid valves. The APs were predominantly located posteriorly, posterolaterally, and posteroseptally on the TV in nine patients (82%). Two patients (18%) had multiple APs or a single broad AP. Four (36%) and three (27%) patients showed twin AVNs and other supraventricular tachycardias (SVTs) except AVRT via the AP. Ten patients (91%) had acute successful CA in the first session, except for one patient with multiple APs who required the third session to eliminate all APs before the planned Fontan surgery. There were no major complications associated with CA. Seven of eight patients who underwent cardiac surgery after CA did not experience peri-/postoperative SVT.Conclusion: APs in patients with AV discordance are usually associated with the anatomical TV annulus. CA of an AP in AV discordance is highly effective and recommended to reduce the risk of SVT. The coexistence of twin AVNs and other SVTs should be considered during CA of an AP in AV discordance. K E Y W O R D S accessory pathway, atrioventricular discordance, atrioventricular tachycardia, corrected transposition of the great arteries, radiofrequency catheter ablation, supraventricular tachycardia

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Section: Discussionsupporting

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Electrophysiological features and radiofrequency catheter ablation of accessory pathways associated with atrioventricular discordance

Takeuchi

Toyohara

Shoda

et al. 2019

Cardiovasc electrophysiol

View full text Add to dashboard Cite

show abstract

“…In our clinic, ablation is performed using transseptal puncture for all left-sided APs in pediatric patients. Although transseptal puncture in patients with congenital heart diseases is difficult, it can be successfully performed by tagging of the septum ( 2 , 8 ).…”

Section: Discussionmentioning

confidence: 99%