Ablation of Left‐Sided Accessory Pathways with Atrial Insertion Away from the Mitral Annulus Using an Electroanatomical Mapping System

Dong, Jianzeng; Sang, Caihua; Jiang, Chen‐Xi; Tang, Ri‐Bo; Yan, Qi; Yu, Rong‐Hui; Li, Songnan; Salim, Mohamed; Yao, Yan; Lin, Ting‐Tse; Ning, Man; Ma, Changsheng

doi:10.1111/jce.12122

Cited by 11 publications

(12 citation statements)

References 17 publications

(18 reference statements)

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“…Several reports of AP with atrial insertion site at the LAA have been described. Long et al reported five patients whose atrial insertions of APs were ablated successfully away from the mitral annulus at the base of LAA 10 . In summary, we present the first documented epicardial AP with slow, decremental antegrade conduction whose ventricular insertion was successfully ablated in the GCV/AIV junction.…”

Section: Discussionmentioning

confidence: 58%

Catheter ablation of an antidromic atrioventricular reentrant tachycardia using a slow, decrementally conducting accessory pathway in the great cardiac vein

Emkanjoo

Madadi

Kamali

2020

Pacing Clinical Electrophis

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The inability to ablate left accessory pathways (APs) from endocardial approaches may suggest an epicardial location. We report on a 43‐year‐old woman presenting with a wide QRS tachycardia with Right Bundle Branch Block (RBBB) morphology, right inferior axis, and the “pattern break” appearance in V2 resembled the outflow tract ventricular tachycardia. An electrophysiology study confirmed an antidromic atrioventricular reentrant tachycardia using an antegrade slow, decrementally conducting AP that was successfully ablated in the great cardiac vein‐anterior interventricular vein junction after failure of endocardial approach.

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Section: Discussionmentioning

confidence: 58%

Catheter ablation of an antidromic atrioventricular reentrant tachycardia using a slow, decrementally conducting accessory pathway in the great cardiac vein

Emkanjoo

Madadi

Kamali

2020

Pacing Clinical Electrophis

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“…One of the common such locations at which atrial insertion may be seen is the LAA. In a study by Long et al., 5 patients were found to have accessory pathway insertion at LAA base [4] . Not identifying the LAA insertion can result in an unsuccessful ablation.…”

Section: Discussionmentioning

confidence: 98%

A deadly mix - rheumatic mitral stenosis, preexcited atrial fibrillation, left atrial appendage thrombus and left atrial appendage accessory pathway

Jagadheesan

Rangasamy

Selvaraj

2017

Indian Pacing and Electrophysiology Journal

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“…Left‐side APs with atrial insertion away from the MA are an atypical variation, and there are only a few cases have been reported. Several prior reports have demonstrated left‐sided pathways were successfully ablated at the base of LAA and the roof of LA with atrial insertion away from the MA 3–6 . But there are no reports of atrial insertion sites at atrial septum, especially at the FO.…”

Section: Discussionmentioning

confidence: 99%

Rare left‐sided accessory pathway successfully ablated with atrial insertion site at the left‐side fossa ovalis

Yang

Huan

Liu

et al. 2022

Cardiovasc electrophysiol

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Introduction: Left-sided accessory pathway (AP) with atrial insertion away from the annulus is an atypical variation. Conventional mapping and ablation performed along mitral annulus (MA) is usually ineffective.Methods: A 14-year-old girl without structural heart disease presented with recurrent episodes of sudden onset palpitations and electrocardiogram (ECG) showed a narrow QRS complex tachycardia.Results: Electrophysiology study (EPS) was done and anterograde atrioventricular reentrant tachycardia (AVRT) with AP was diagnosed. Conventional mapping and ablation performed along TA and MA was failed. 3D-activation mapping found the retrograde atrial insertion site of AP on the left atrium fossa ovalis (FO), and AP was successfully abolished by radiofrequency ablation at that site. Conclusion:As reported, this patient is the first report of ablating a left-sided AP with retrograde atrial insertion on the left atrium FO.

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Ablation of Left‐Sided Accessory Pathways with Atrial Insertion Away from the Mitral Annulus Using an Electroanatomical Mapping System

Abstract: Left-sided APs may have atrial insertions away from the MA. By using the CARTO system, atrial insertions can be reliably identified and ablated.

Cited by 11 publications

References 17 publications

Catheter ablation of an antidromic atrioventricular reentrant tachycardia using a slow, decrementally conducting accessory pathway in the great cardiac vein

Catheter ablation of an antidromic atrioventricular reentrant tachycardia using a slow, decrementally conducting accessory pathway in the great cardiac vein

A deadly mix - rheumatic mitral stenosis, preexcited atrial fibrillation, left atrial appendage thrombus and left atrial appendage accessory pathway

Rare left‐sided accessory pathway successfully ablated with atrial insertion site at the left‐side fossa ovalis

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