Why the study?
Transvenous endocardial pacing in Fontan circulation is challenging due to fibrotic right atrial tissue and the need for long sheath support, though sometimes considered over surgical epicardial pacing.
Design
Case report
Authors
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Transvenous atrial lead placement may be feasible in select Fontan cases; leaves open need for larger series on safety and durability.
Electro-anatomical mapping can facilitate challenging transvenous endocardial pacing in patients with lateral tunnel Fontan circulation.
Sembenini et al. (2025) studied this question.
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