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Implantable Ultralow Pulmonary Pressure Monitoring System for Fetal Surgery

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6 Author(s)
Etemadi, M. ; Dept. of Bioeng. & Therapeutic Sci., UC Berkeley, Berkeley, CA, USA ; Heller, J.A. ; Schecter, S.C. ; Shue, E.H.
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Congenital pulmonary hypoplasia is a devastating condition affecting fetal and newborn pulmonary physiology, resulting in great morbidity and mortality. The fetal lung develops in a fluid-filled environment. In this paper, we describe a novel, implantable pressure sensing and recording device which we use to study the pressures present in the fetal pulmonary tree throughout gestation. The system achieves 0.18 cm H 2O resolution and can record for 21 days continuously at 256 Hz. Sample tracings of in vivo fetal lamb recordings are shown.

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Information Technology in Biomedicine, IEEE Transactions on  (Volume:16 ,  Issue: 6 )