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Nicholas Andersen
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Oct 16, 2026
Pediheart Podcast #399: Are We Creating Too Many Single Ventricle Patients When Biventricular Circulation Is Feasible?
26:29
33:23

Robert PassHOST
I, I'm wondering if you could share with the audience, what are the key decision points along the journey? How do you know when further attempts at recruitment are just not gonna succeed, and do you use catheterization in any way to help along the way?
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26:43Nicholas AndersenGUEST
Um, you know, uh, most of the cases we're taking on are, we feel very comfortable and confident that we're gonna achieve a good outcome.
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26:51Nicholas AndersenGUEST
Um, there's a lot of patients out there who have things like remote aortas, um, mild ventricular imbalance, um, that, uh, kinda get defaulted to Fontan or can get defaulted to Fontan, and then, um, you know, when we get a, when we get a look at them, we feel comfortable that we can, we can make it work.
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27:15Nicholas AndersenGUEST
Um, the more extreme cases, uh, do require s- a lot of time and effort and patience.
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27:22Nicholas AndersenGUEST
Um, so these recruitment procedures where you really are trying to grow a small ventricle, typically you're gonna do your first procedure, uh, correct the valves as best you can, start loading that smaller ventricle, and typically wait at least a year.
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27:37Nicholas AndersenGUEST
Um, if you look at the Boston series, they're t- they're oftentimes waiting 12 to 15 months is kinda their average.
6 MINS LATER

Robert PassHOST
Um, and I'm wondering if you could sort of change one thing about how other centers make this decision, uh, BV, uh, biventricular versus Fontan, what do you think it would be? What are, what do you think other teams may not be understanding that maybe they should?