Rick Choi

110 timestamped statements across 1 collection — auto-found in recorded discussions, each timestamp jumps to the exact moment.

Single Ventricle / HLHS · guest expert

Featured diaries

Ep 5 · 17:05
My concern would be late. They're still at the same risk of overall stretch and fibrosis and things like this. So those, I don't, I don't really understand why they'd be completely. Uh, free from that style unless there's some sort of true hemodynamic benefit out to 20 or 30 years
Ep 5 · 17:05
My concern would be late. They're still at the same risk of overall stretch and fibrosis and things like this. So those, I don't, I don't really understand why they'd be completely. Uh, free from that style unless there's some sort of true hemodynamic benefit out to 20 or 30 years

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The Role of Trans-Catheter Arrhythmia Management - Patient Based Decision...

Ep 5 · 0:40
quote I'm an electrophysiologist and so, uh, sometimes might be inherently dry, but I think this topic is actually interesting. If, if nothing else, because it's controversial and we like controversy
Ep 5 · 0:40
quote I'm an electrophysiologist and so, uh, sometimes might be inherently dry, but I think this topic is actually interesting. If, if nothing else, because it's controversial and we like controversy
Ep 5 · 1:45
host_summary In early Boston Fontan data, macro-reentrant atrial tachycardia was ubiquitous out to 20 years
Ep 5 · 1:45
epidemiological In early Boston Fontan data, macro-reentrant atrial tachycardia was ubiquitous out to 20 years
Ep 5 · 2:13
host_summary After first atrial tachycardia and cardioversion in Fontan patients, risk of future tachycardia is upwards of 80 or 90%
Ep 5 · 2:13
epidemiological After first atrial tachycardia and cardioversion in Fontan patients, risk of future tachycardia is upwards of 80 or 90%
Ep 5 · 2:29
host_summary While incidence of tachycardia is heavily related to Fontan type, risk of recurrent tachycardia is the same for all Fontan types
Ep 5 · 2:29
clinical While incidence of tachycardia is heavily related to Fontan type, risk of recurrent tachycardia is the same for all Fontan types
Ep 5 · 2:40
host_summary Anti-arrhythmic medications do not achieve complete suppression of atrial tachycardia in Fontan patients
Ep 5 · 2:40
quote if our goal is complete amelioration of atrial tachycardia, I think it's been well documented that atrial, that anti-arrhythmics are not going to get us to a complete suppression of tachycardia
Ep 5 · 2:40
quote if our goal is complete amelioration of atrial tachycardia, I think it's been well documented that atrial, that anti-arrhythmics are not going to get us to a complete suppression of tachycardia
Ep 5 · 2:40
clinical Anti-arrhythmic medications do not achieve complete suppression of atrial tachycardia in Fontan patients
Ep 5 · 2:52
epidemiological In multiple studies, essentially 100% of Fontan patients on anti-arrhythmics alone have recurrence of tachycardia over 5 to 6 years
Ep 5 · 2:52
host_summary In multiple studies, essentially 100% of Fontan patients on anti-arrhythmics alone have recurrence of tachycardia over 5 to 6 years
Ep 5 · 3:00
quote I typically think about the decision to ablate or not to ablate as a dichotomous decision. So we either ablate or we don't ablate, but I think in Fontaine's, I think it's more of a circular loop
Ep 5 · 3:00
quote I typically think about the decision to ablate or not to ablate as a dichotomous decision. So we either ablate or we don't ablate, but I think in Fontaine's, I think it's more of a circular loop
Ep 5 · 3:24
quote The real question is, is ablation a potential off-ramp, uh, for the circular loop or really just another part of the loop itself?
Ep 5 · 3:24
quote The real question is, is ablation a potential off-ramp, uh, for the circular loop or really just another part of the loop itself?
Ep 5 · 3:47
quote trans catheter ablation is gonna play some role in these patients' life. So it's a bit more of a decision of when, uh, more than it's a decision of, of, uh, if
Ep 5 · 3:47
quote trans catheter ablation is gonna play some role in these patients' life. So it's a bit more of a decision of when, uh, more than it's a decision of, of, uh, if
Ep 5 · 4:11
quote I'm an electrophysiologist, so I know there's a lot of different uh types for, for us, there's really 3 types
Ep 5 · 4:11
quote I'm an electrophysiologist, so I know there's a lot of different uh types for, for us, there's really 3 types
Ep 5 · 4:37
host_summary Lateral tunnel Fontans have had significantly less incidence of atrial arrhythmias compared to atrial-pulmonary Fontans
Ep 5 · 4:37
epidemiological Lateral tunnel Fontans have had significantly less incidence of atrial arrhythmias compared to atrial-pulmonary Fontans
Ep 5 · 4:45
epidemiological Data on whether extracardiac conduit has significantly lower arrhythmia incidence than intracardiac conduit is discrepant, with some studies showing significant improvement and others showing less difference
Ep 5 · 4:45
host_summary Data on whether extracardiac conduit has significantly lower arrhythmia incidence than intracardiac conduit is discrepant, with some studies showing significant improvement and others showing less difference
Ep 5 · 5:23
quote as we change our fontan type, our catheter is now not entering. Uh, the atrial chamber, at least as far as an access point. And so now we have to figure a way out of the conduit, uh, back into the, uh, atrial chamber
Ep 5 · 5:23
quote as we change our fontan type, our catheter is now not entering. Uh, the atrial chamber, at least as far as an access point. And so now we have to figure a way out of the conduit, uh, back into the, uh, atrial chamber
Ep 5 · 5:40
quote with these differing. Fontan styles we've made the, we've had a significant benefit in terms of frequency of tachycardia, but I think we've been making our ablations more difficult procedures
Ep 5 · 5:40
quote with these differing. Fontan styles we've made the, we've had a significant benefit in terms of frequency of tachycardia, but I think we've been making our ablations more difficult procedures
Ep 5 · 6:11
host_summary In Boston study of ~90 Fontan ablation patients, over half required trans-baffle procedure, with moderate or severe complication rate of about 10%
Ep 5 · 6:11
epidemiological In Boston study of ~90 Fontan ablation patients, over half required trans-baffle procedure, with moderate or severe complication rate of about 10%
Ep 5 · 6:30
clinical In trans-baffle ablation cases, catastrophic complications included death and major shunts with cyanosis, whereas non-trans-baffle complications were primarily kidney injury
Ep 5 · 6:30
host_summary In trans-baffle ablation cases, catastrophic complications included death and major shunts with cyanosis, whereas non-trans-baffle complications were primarily kidney injury
Ep 5 · 6:50
quote I don't think this has been definitively proved, but I think it's not a, uh, particularly low risk procedure
Ep 5 · 6:50
quote I don't think this has been definitively proved, but I think it's not a, uh, particularly low risk procedure
Ep 5 · 7:37
quote if you say Fontan and tachycardia, I'm gonna tell you it's macro-oriented, and I'm probably gonna be right
Ep 5 · 7:37
quote if you say Fontan and tachycardia, I'm gonna tell you it's macro-oriented, and I'm probably gonna be right
Ep 5 · 7:52
epidemiological In study of 52 Fontan ablation patients, 80 different arrhythmia mechanisms were identified, meaning majority of patients had more than one mechanism
Ep 5 · 7:52
host_summary In study of 52 Fontan ablation patients, 80 different arrhythmia mechanisms were identified, meaning majority of patients had more than one mechanism
Ep 5 · 8:05
epidemiological In Fontan ablations, macro-reentrant tachycardia was most common type but represented less than half of ablations, with focal atrial tachycardia and AVNRT being important mechanisms
Ep 5 · 8:05
host_summary In Fontan ablations, macro-reentrant tachycardia was most common type but represented less than half of ablations, with focal atrial tachycardia and AVNRT being important mechanisms
Ep 5 · 8:30
clinical Atrial fibrillation as an isolated phenomenon in Fontan patients is relatively rare
Ep 5 · 8:30
clinical Atrial fibrillation as an isolated phenomenon in Fontan patients is relatively rare
Ep 5 · 10:18
opinion Ed Walsh felt that atrial tachycardia was a risk factor for sudden death in Fontan patients
Ep 5 · 10:18
host_summary Ed Walsh felt that atrial tachycardia was a risk factor for sudden death in Fontan patients
Ep 5 · 10:38
host_summary In several studies, Fontans with arrhythmias do worse than Fontans without arrhythmias in terms of freedom from death or transplant
Ep 5 · 10:38
epidemiological In several studies, Fontans with arrhythmias do worse than Fontans without arrhythmias in terms of freedom from death or transplant
Ep 5 · 10:52
clinical Arrhythmia is a significant predictor of outcome in Fontan risk stratification models
Ep 5 · 10:52
host_summary Arrhythmia is a significant predictor of outcome in Fontan risk stratification models
Ep 5 · 11:00
opinion It is unknown whether ablating arrhythmia substrates in Fontan patients will change their overall risk of death or transplant
Ep 5 · 11:00
opinion It is unknown whether ablating arrhythmia substrates in Fontan patients will change their overall risk of death or transplant
Ep 5 · 11:47
epidemiological In Mayo study of 260 Fontan patients with arrhythmia, almost all patients had recurrence of atrial tachycardia regardless of management strategy
Ep 5 · 11:47
host_summary In Mayo study of 260 Fontan patients with arrhythmia, almost all patients had recurrence of atrial tachycardia regardless of management strategy
Ep 5 · 11:56
host_summary High recurrence rate in Mayo study was heavily driven by high prevalence of patients on anti-arrhythmic medications alone
Ep 5 · 11:56
epidemiological High recurrence rate in Mayo study was heavily driven by high prevalence of patients on anti-arrhythmic medications alone
Ep 5 · 12:05
host_summary Catheter ablation in Fontan patients achieved freedom from recurrence in the range of 40 to 50%, not the 95-97% typical of other ablation types
Ep 5 · 12:05
epidemiological Catheter ablation in Fontan patients achieved freedom from recurrence in the range of 40 to 50%, not the 95-97% typical of other ablation types
Ep 5 · 12:31
epidemiological In study using clinical arrhythmia severity scores, Fontan patients who underwent ablation had significant improvement in scores following ablation
Ep 5 · 12:31
host_summary In study using clinical arrhythmia severity scores, Fontan patients who underwent ablation had significant improvement in scores following ablation
Ep 5 · 12:52
host_summary Even in Fontan patients who had recurrence of tachycardia after ablation, there was still some improvement in overall arrhythmia burden, though not as robust as in patients without recurrence
Ep 5 · 12:52
epidemiological Even in Fontan patients who had recurrence of tachycardia after ablation, there was still some improvement in overall arrhythmia burden, though not as robust as in patients without recurrence
Ep 5 · 13:03
quote Maybe for some patients, the way to look at this is not a complete suppression of any recurrence, but a tailoring of the overall burden
Ep 5 · 13:03
quote Maybe for some patients, the way to look at this is not a complete suppression of any recurrence, but a tailoring of the overall burden
Ep 5 · 13:23
clinical Fontan conversion with arrhythmia surgery achieves freedom from arrhythmia around 50 to 60%, probably not all that different than catheter ablation alone
Ep 5 · 13:23
clinical Fontan conversion with arrhythmia surgery achieves freedom from arrhythmia around 50 to 60%, probably not all that different than catheter ablation alone
Ep 5 · 13:35
opinion Rick's typical approach is to give Fontan patients one arrhythmia episode and monitor them going forward, either off or on medications, then consider ablation after recurrent atrial arrhythmia
Ep 5 · 13:35
opinion Rick's typical approach is to give Fontan patients one arrhythmia episode and monitor them going forward, either off or on medications, then consider ablation after recurrent atrial arrhythmia
Ep 5 · 14:16
clinical Fontan patients with SVT are likely to have recurrence of SVT
Ep 5 · 14:16
quote I think my main points are, uh, Fontan patients with SVT are likely to have recurrence of SVT
Ep 5 · 14:16
quote I think my main points are, uh, Fontan patients with SVT are likely to have recurrence of SVT
Ep 5 · 14:16
clinical Fontan patients with SVT are likely to have recurrence of SVT
Ep 5 · 14:23
clinical Anti-arrhythmic medications are reasonable but unlikely to keep Fontan patients completely tachycardia-free
Ep 5 · 14:23
clinical Anti-arrhythmic medications are reasonable but unlikely to keep Fontan patients completely tachycardia-free
Ep 5 · 14:30
clinical New onset atrial tachycardia or increased tachycardia burden is often an early indicator of other issues in Fontan patients
Ep 5 · 14:30
clinical New onset atrial tachycardia or increased tachycardia burden is often an early indicator of other issues in Fontan patients
Ep 5 · 14:37
opinion Catheter ablation plays a major role in management of SVT in Fontan patients and is reasonable as either first or second line management
Ep 5 · 14:37
opinion Catheter ablation plays a major role in management of SVT in Fontan patients and is reasonable as either first or second line management
Ep 5 · 14:48
quote the role of catheter ablation is in evolution is going to continue to change significantly over the next decades based on our changing fontan anatomy
Ep 5 · 14:48
quote the role of catheter ablation is in evolution is going to continue to change significantly over the next decades based on our changing fontan anatomy
Ep 5 · 15:35
quote I got to say, at, at the time of most of these procedures, we're rarely, if ever, blessed with that type of macro entrant. They tend to be in the younger patients, I think we've seen they're more scar related to the atriotomy and things like that
Ep 5 · 15:35
quote I got to say, at, at the time of most of these procedures, we're rarely, if ever, blessed with that type of macro entrant. They tend to be in the younger patients, I think we've seen they're more scar related to the atriotomy and things like that
Ep 5 · 16:06
epidemiological In surgical ablation data from Chicago, isthmus ablation-only strategy had much worse outcomes than more aggressive strategies, but aggressive strategies bring sinus node dysfunction into the equation
Ep 5 · 16:06
quote I think even if you go back to the surgical data from Chicago, the isthmus ablation only. The strategy was much worse than these more aggressive strategies. The problem is with the more aggressive strategies you bring science no dysfunction well into the equation
Ep 5 · 16:06
quote I think even if you go back to the surgical data from Chicago, the isthmus ablation only. The strategy was much worse than these more aggressive strategies. The problem is with the more aggressive strategies you bring science no dysfunction well into the equation
Ep 5 · 16:06
host_summary In surgical ablation data from Chicago, isthmus ablation-only strategy had much worse outcomes than more aggressive strategies, but aggressive strategies bring sinus node dysfunction into the equation
Ep 5 · 16:45
quote I think they're going to be the same but present at a different stage
Ep 5 · 16:45
quote I think they're going to be the same but present at a different stage
Ep 5 · 16:50
quote we go in and seriously 2/3 sometimes of the atrial tube. Issues essentially scar with no electrical activity
Ep 5 · 16:50
quote we go in and seriously 2/3 sometimes of the atrial tube. Issues essentially scar with no electrical activity
Ep 5 · 16:50
clinical In older Fontan patients undergoing ablation, sometimes 2/3 of the atrial tissue is essentially scar with no electrical activity
Ep 5 · 16:50
clinical In older Fontan patients undergoing ablation, sometimes 2/3 of the atrial tissue is essentially scar with no electrical activity
Ep 5 · 17:02
opinion Extracardiac Fontan patients will have reduced early arrhythmia incidence due to less surgical scarring, but may face same late risk from atrial stretch and fibrosis unless there is true hemodynamic benefit at 20-30 years
Ep 5 · 17:02
opinion Extracardiac Fontan patients will have reduced early arrhythmia incidence due to less surgical scarring, but may face same late risk from atrial stretch and fibrosis unless there is true hemodynamic benefit at 20-30 years
Ep 5 · 17:05
quote My concern would be late. They're still at the same risk of overall stretch and fibrosis and things like this. So those, I don't, I don't really understand why they'd be completely. Uh, free from that style unless there's some sort of true hemodynamic benefit out to 20 or 30 years
Ep 5 · 17:05
quote My concern would be late. They're still at the same risk of overall stretch and fibrosis and things like this. So those, I don't, I don't really understand why they'd be completely. Uh, free from that style unless there's some sort of true hemodynamic benefit out to 20 or 30 years
Ep 5 · 18:39
quote for me, the answer is that I would wait for their second episode. I think if that episode is 3 years down the road, but we, you have to talk with them. What's your goal?
Ep 5 · 18:39
quote for me, the answer is that I would wait for their second episode. I think if that episode is 3 years down the road, but we, you have to talk with them. What's your goal?
Ep 5 · 18:43
opinion If Fontan patient's goal is to be completely off Coumadin after atrial arrhythmia, the only way to probably do that safely is to go ahead with catheter ablation
Ep 5 · 18:43
opinion If Fontan patient's goal is to be completely off Coumadin after atrial arrhythmia, the only way to probably do that safely is to go ahead with catheter ablation
Ep 5 · 18:48
quote if your goal is to be completely off Coumadin, I don't even know if that's a strategy once you've had your atrial arrhythmia, but if you have to be off Coumadin, the only way to probably do that safely with risk is to, to go ahead with catheter ablation
Ep 5 · 18:48
quote if your goal is to be completely off Coumadin, I don't even know if that's a strategy once you've had your atrial arrhythmia, but if you have to be off Coumadin, the only way to probably do that safely with risk is to, to go ahead with catheter ablation
Ep 5 · 19:01
quote I think groups have been very aggressive about first-time, they're much better, they're easier procedures, right? If you get them early, you probably have one or two circuits where if you wait 5 or 6 years, you're taking on these, uh, more complex 5 or 6 circuit cases
Ep 5 · 19:01
quote I think groups have been very aggressive about first-time, they're much better, they're easier procedures, right? If you get them early, you probably have one or two circuits where if you wait 5 or 6 years, you're taking on these, uh, more complex 5 or 6 circuit cases
Ep 5 · 19:01
clinical Early ablation procedures in Fontan patients are easier, probably involving one or two circuits, whereas waiting 5-6 years results in more complex cases with 5 or 6 circuits
Ep 5 · 19:01
clinical Early ablation procedures in Fontan patients are easier, probably involving one or two circuits, whereas waiting 5-6 years results in more complex cases with 5 or 6 circuits
Ep 5 · 19:46
clinical Rick's center has not seen many young patients with atrial arrhythmias, having done lateral tunnels or extracardiac Fontans primarily for a long time
Ep 5 · 19:46
quote I gotta say we have not seen a lot of young patients with atrial arrhythmias, and we've been doing lateral tunnels or extrac cardiac for a long time primarily
Ep 5 · 19:46
quote I gotta say we have not seen a lot of young patients with atrial arrhythmias, and we've been doing lateral tunnels or extrac cardiac for a long time primarily
Ep 5 · 19:46
clinical Rick's center has not seen many young patients with atrial arrhythmias, having done lateral tunnels or extracardiac Fontans primarily for a long time