Why the study?
Although the typical site of the accessory pathway in PJRT is the right posteroseptal region, atypical sites have been described.
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This case demonstrates that PJRT can be caused by an accessory pathway in the atypical superio-paraseptal (Para-Hsian) region, which can be successfully ablated via a non-coronary sinus approach.
Permanent junctional reciprocating tachycardia (PJRT) is a rare supra ventricular tachycardia (SVT) due to an accessory pathway (AP), characterized by slow and decremental retrograde conduction, which is predominantly seen in infants and children. Although the typical site of AP in PJRT is a right posteroseptal region around or just within the coronary sinus (CS), atypical sites of AP have been described. We report a rare case of PJRT in a 7-year-old girl with an AP located in the superio-paraseptal (Para-Hsian) region that was successfully ablated through a non-coronary sinus.
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Vijay et al. (2023) studied this question.
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