Jay D. Pruetz

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We are developing a cardiac pacemaker with a small, cylindrical shape that permits percutaneous implantation into a fetus to treat complete heart block and consequent hydrops fetalis, which can otherwise be fatal. The device uses off-the-shelf components including a rechargeable lithium cell and a highly efficient relaxation oscillator encapsulated in epoxy(More)
This paper discusses the technical and safety requirements for cardiac pacing of a human fetus with heart failure and hydrops fetalis secondary to complete heart block. Engineering strategies to meet specific technical requirements were integrated into a systematic design and implementation consisting of a novel fetal micropacemaker, a percutaneous(More)
Ventricular growth, measured by cardiac MRI, is not different in patients with tetralogy of fallot versus pulmonary atresia with intact ventricular septum or critical pulmonary stenosis after right ventricular outflow tract reconstruction
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