Key result
Atrial Flow Regulator facilitates Fontan fenestration size reduction in a described case report.
Why the study?
There are no dedicated devices to reduce Fontan fenestration size despite the need to manage shunting and maintain optimal cardiac output and oxygen saturation.
Case Report
The Atrial Flow Regulator can be utilized to reduce Fontan fenestration size, offering an alternative to complete closure which may impair hemodynamics.
Should not yet alter Fontan fenestration management; leaves open the role of atrial flow regulators pending prospective data.
Fontan fenestration allows right-to-left shunting increasing cardiac output and oxygen delivery. Increased shunting occurs as cardiac function and ventricular end-diastolic pressures improve, potentially decreasing oxygen saturation. Complete closure may result in impaired Fontan haemodynamics and low cardiac output; however, there are no dedicated devices to reduce fenestration size. We describe Fontan fenestration size reduction using the Atrial Flow Regulator.
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Aregullin et al. (2021) conducted a case report in Fontan fenestration. Atrial Flow Regulator was evaluated. Fontan fenestration size reduction was described using the Atrial Flow Regulator.
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