Supraventricular arrhythmias in noncompaction of left ventricle: is this a frequent complication?
BACKGROUND
Isolated left ventricular noncompaction is the result of incomplete myocardial morphogenesis, leading to persistence of the embryonic myocardium. The condition is recognised by an excessively prominent trabecular meshwork and deep intertrabecular recesses of the left ventricle. Whether these intertrabecular recesses are a favorable substrate for supraventricular arrhythmias is unclear, even if the incidence of chronic heart failure seems to be high.


RESULTS
We evaluated a continuous series of 238 patients affected by noncompaction. In 4 cases the patients reported palpitations and in 4 an episode of syncope. Periodic holter monitoring was performed every 6 months for 4 years. Only 9 patients had documented atrial fibrillation. In no cases we observed supraventricular tachycardia.


CONCLUSIONS
Noncompaction alone does not seem to be a risk factor for supraventricular arrhythmias.
Fazio
Giovanni
G
Corrado
Giovanni
G
Pizzuto
Caterina
C
Zachara
Elisabetta
E
Rapezzi
Carlo
C
Sulafa
Ali K
AK
Sutera
Loredana
L
Stollberger
Claudia
C
Sormani
Luca
L
Finsterer
Joseph
J
Benatar
Abraham
A
Di Gesaro
Gabriele
G
Novo
Giuseppina
G
Cavusoglu
Yuksel
Y
Baumhakel
Magnus
M
Drago
Fabrizio
F
Carerj
Scipione
S
Pipitone
Salvatore
S
Novo
Salvatore
S
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004562:Electrocardiography; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications* / Q000503:physiopathology; D006801:Humans; D007558:Italy / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D012042:Registries; D012189:Retrospective Studies; D012307:Risk Factors; D013617:Tachycardia, Supraventricular / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology