Why the study?
Does cardiac resynchronization therapy improve left ventricular dysfunction induced by chronic right ventricular pacing in a child?
Does cardiac resynchronization therapy improve left ventricular dysfunction induced by chronic right ventricular pacing in a child?
Upgrading to cardiac resynchronization therapy can reverse left ventricular remodeling and improve cardiac function in pediatric patients with progressive left ventricular dysfunction induced by chronic right ventricular pacing.
May support CRT upgrade for pacing-induced LV dysfunction in children; leaves open need for prospective trials.
Cardiac resynchronization therapy (CRT) has been proven its value in adult patients with congestive heart failure of low ejection fraction and wide QRS duration. Contrast to adult patients, CRT has been rarely applied for young patients. We report on a 9-yr-old boy with progressive left ventricular (LV) dilatation and dysfunction following chronic VVI pacemaker therapy for congenital complete atrioventricular block associated with maternal anti-SSA/Ro and SSB/La antibody. His LV dysfunction was improved after epicardially established CRT.
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Kim et al. (2010) studied this question.
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