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Ex Vivo Perfusion of the Rodent Placenta
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ECLS for preemies: the artificial placenta.

Benjamin S Bryner1, George B Mychaliska2

  • 1Department of Surgery, University of Michigan Medical School, Ann Arbor, MI 48109.

Seminars in Perinatology
|March 4, 2014
PubMed
Summary
This summary is machine-generated.

Artificial placenta technology aims to replicate the intrauterine environment for extremely low gestational age newborns (ELGANs) facing respiratory failure. This approach utilizes extracorporeal membrane oxygenation (ECMO) to potentially reduce mortality and morbidity.

Keywords:
Artificial placentaECLSECMOExtracorporeal life supportExtracorporeal membrane oxygenationRespiratory failure

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Area of Science:

  • Neonatal medicine
  • Biomedical engineering
  • Fetal physiology

Background:

  • Respiratory failure in extremely low gestational age newborns (ELGANs) presents significant mortality and morbidity challenges.
  • Current mechanical ventilation strategies for ELGANs are associated with complications.
  • Recreating the intrauterine environment offers a potential alternative to mechanical ventilation.

Purpose of the Study:

  • To explore the concept and development of an artificial placenta (AP) as an alternative to mechanical ventilation for ELGANs.
  • To review the principles and variations of AP systems, focusing on extracorporeal membrane oxygenation (ECMO) integration.
  • To highlight current research directions in AP technology.

Main Methods:

  • Review of historical and current research on artificial placenta systems.
  • Description of AP models incorporating extracorporeal membrane oxygenation (ECMO) via umbilical vessels.
  • Analysis of AP configurations, including pumpless arteriovenous and pump-driven venovenous circuits.
  • Emphasis on maintaining fetal circulation through low partial pressure of oxygen and lack of mechanical ventilation.

Main Results:

  • Artificial placenta (AP) systems aim to mimic the intrauterine environment using ECMO.
  • AP models utilize umbilical vessels, avoid mechanical ventilation, and maintain low oxygen levels to preserve fetal circulation.
  • Current research focuses on developing both low-volume pumpless arteriovenous and pump-driven venovenous ECMO circuits for AP applications.

Conclusions:

  • The artificial placenta (AP) represents a promising strategy to mitigate respiratory failure complications in ELGANs.
  • AP technology leverages extracorporeal membrane oxygenation (ECMO) to simulate intrauterine conditions, potentially improving outcomes.
  • Ongoing research in AP circuit design is crucial for advancing this alternative to mechanical ventilation.