Abstract
Left ventricular hypertrabeculation/noncompaction (LVHT) is diagnosed in all ages and is frequently associated with neuromuscular disorders (NMDs). The aim of the study was to compare patients with LVHT depending on age at diagnosis. Included were 232 patients with LVHT (72 women, mean age 52±17 years) diagnosed from 1995 to 2014 at 1 echocardiographic laboratory. In 2014, their survival was assessed. Seventy-six percent of the patients were neurologically investigated, revealing specific NMDs in 18%, unspecific NMDs in 60%, and normal findings in 22%. Forty-five patients (19%) received electronic devices: implantable cardioverter-defibrillators in 26 patients, combined with cardiac resynchronization systems (n=14) or an antibradycardic pacemaker (n=1); antibradycardic pacemakers (n=8); cardiac resynchronization systems (n=4); implantable loop recorders (n=4); life vests (n=2); and a left ventricular assist device as a bridge to transplantation (n=1). During 72-month follow-up, mortality was 4.9% per year. In younger age groups, more patients were referred for syncope or palpitations, whereas in older age groups, more patients were referred for heart failure. Classic cardiovascular risk factors such as hypertension and diabetes...Continue Reading
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