Abstract
Preoperative calculations showed that the 9-mm inlet, 6-mm outlet, 25-cc pump chambersand65-73 bpm would be optimal for a 5-year-old patient suffering from restrictive cardiomyopathy, with a body surface area of 0.59 m2(1.5 L/min flow for a cardiac index of 2.5). After re-sternotomy and standardbicavalcannulation for cardiopulmonary bypass, the procedure was performed under normothermic conditions and on the beating heart. Biventricular support was established with the Berlin Heart Excor using biatrial cannulation. Forleft atrial cannulation, induced ventricular fibrillationwas used.The 9-mm inlet cannulas were inserted into the left and right atria, respectively.The 6-mm outlet cannulaswere implantedusing 8-mm interposition vascular grafts for the aorta and the main pulmonary artery, respectively.Cannulasweretunnelledthrough the epigastric space, with systems crossing outsideofthe body. The 25-cc chambers were used for bothrightventricular assist deviceand left ventricular assist device support, whichsubsequentlyshowedfull emptying and filling.
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