[SCD-FORUM] 38E SV arrhythmias in patients with ARVD. Dr. Fontaine

[SCD Symposium]

The incidence of SV arrhythmias in patients with obvious ARVD has  
been reported by our group in 1991.
It was observed in 25 % of our cohort of retrospective patients.

Since then we have observed that these arrhythmias can be the first  
presenting symptom of patients with ARVD
Some of these patients have no ventricular dilatation and no  
tricuspid regurgitation. Therefore it is possible to suggest that the  
disease may have some extension on the atrium. Histology of RV is not  
clear because it contains physiologically fat and fibrosis. We have  
not studied yet alteration of gap junctions in atrial muscle in ARVD.

Atrial arrhythmias is also a cause of inappropriate shocks in ARVD  
patients with the device especially those with fast AV conduction  
(Wenkeback above 200 bpm).

I have suggested not to miss a complete EPS evaluating AV conduction  
and atrial vulnerability


Am J Cardiol. 1991 May 15;67(13):1153.
Frequency of supraventricular tachyarrhythmias in arrhythmogenic right
ventricular dysplasia.
Tonet JL, Castro-Miranda R, Iwa T, Poulain F, Frank R, Fontaine GH.
Service de Rytmologie et de Stimulation Cardiaque, Hopital Jean  
Rostand, Ivry,
France.


Guy Hugues Fontaine

--
Dr. Sergio Dubner
President of Scientific Committee

Dr. Edgardo Schapachnik
President of Steering Committee




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