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  • Title: Pre-excitation induced ventricular dysfunction and successful berlin heart explantation after accessory pathway ablation.
    Author: Kohli U, Pumphrey KL, Ahmed A, Das S.
    Journal: J Electrocardiol; 2018; 51(6):1067-1070. PubMed ID: 30497732.
    Abstract:
    A 13 kg, 20 month-old, Caucasian girl, presented with cardiomyopathy, biventricular dysfunction and pre-excitation on electrocardiogram. She had normal intracardiac anatomy with severely dilated left ventricle and severely diminished biventricular function (Fig. 1). She was treated with milrinone and epinephrine infusions, mechanical ventilation and listed for heart transplant. She underwent Berlin Heart EXCOR biventricular assist device (BiVAD) placement (30 ml LVAD and 25 ml RVAD pumps). No supraventricular tachycardia (SVT) was inducible or noted during her hospitalization. First ablation attempt without BiVAD support was unsuccessful; however, 18 days post BiVAD implantation, another electrophysiology study and successful radiofrequency ablation of a right anterolateral accessory pathway was performed on BiVAD support. After successful ablation and loss of pre-excitation, the cardiac dysfunction rapidly improved with initial improvement noted as early as 48 h after the successful ablation. Due to recovery of cardiac function, a BiVAD wean protocol was initiated and BiVAD explantation was performed 48 days after the implant (30 days after the successful ablation). To the best of our knowledge, this is the first report of successful BiVAD explantation.
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