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Review
. 2017 Dec;22(6):404-409.
doi: 10.1016/j.siny.2017.04.006. Epub 2017 May 24.

An EXTrauterine environment for neonatal development: EXTENDING fetal physiology beyond the womb

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Review

An EXTrauterine environment for neonatal development: EXTENDING fetal physiology beyond the womb

Emily A Partridge et al. Semin Fetal Neonatal Med. 2017 Dec.

Abstract

Extreme prematurity is a major cause of neonatal mortality and morbidity, and remains an unsolved clinical challenge. The development of an artificial womb, an extrauterine system recreating the intrauterine environment, would support ongoing growth and organ maturation of the extreme preterm fetus and would have the potential to substantially improve survival and reduce morbidity. Previous efforts toward the development of such a system have demonstrated the ability to maintain the isolated fetus for short periods of support, but have failed to achieve the long-term stability required for clinical application. Here we describe our initial experiments demonstrating the stable support of fetal lambs developmentally equivalent to the extreme premature infant for up to four weeks with stable hemodynamics, growth, and development. The achievement of long-term physiologic support of the fetus in an extrauterine system has the potential to fundamentally change the management and clinical outcome of the extreme premature infant.

Keywords: Artificial placenta; Extracorporeal membrane oxygenation; Preterm birth; Umbilical cannulation.

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