Mini Review
Volume 7 Issue 12 - 2020
Artificial Placenta: Intrigue-Interest and Future Challenges
Pradeep Kumar Radhakrishnan1*, Gayathri Ananyajyothi Ambat2 and Roshini Ambat3
1Professor, Postdoctoral Fellow, Chief Division of Cardiothoracic Surgery, Program Coordinator MCS and TAH, GIMSR, Gitam University, India
2Medical Student, GIMSR, Gitam University, India
3Senior Consultant, KIMS, Trivandrum, India
*Corresponding Author: Pradeep Kumar Radhakrishnan, Professor, Postdoctoral Fellow, Chief Division of Cardiothoracic Surgery, Program Coordinator MCS and TAH, GIMSR, Gitam University, India.
Received: September 26, 2020; Published: November 25, 2020




Abstract

Surge in research on artificial placenta have been due to greater understanding about embryological development and placental function coupled with technological advancements in extracorporeal life support that has augmented the interest and translation into practice many research options that holds an exciting armamentarium to support the survival of the extremely low gestational age neonates (ELGAN). Nitric oxide surface based anticoagulation (NOSA) has now paved way for ex utero intra partum treatment (EXIT) and nascent extracorporeal life support technologies with NOSA concept. Future of artificially placenta suddenly has turned intriguing, interesting and challenging.

Over 50 years ago, visionary researchers began work on an extracorporeal artificial placenta to support premature infants. Despite rudimentary technology and incomplete understanding of fetal physiology, these pioneering scientists laid the foundation for future work. The research was episodic, as medical advances improved outcomes of premature infants and extracorporeal life support (ECLS) was introduced for the treatment of term and near-term infants with respiratory or cardiac failure. Despite ongoing medical advances, extremely premature infants continue to suffer a disproportionate burden of mortality and morbidity due to organ immaturity and unintended iatrogenic consequences of medical treatment. With advancing technology and innovative approaches, there has been a resurgence of interest in developing an artificial placenta to further diminish the mortality and morbidity of prematurity. Two related but distinct platforms have emerged to support premature infants by recreating fetal physiology: a system based on arteriovenous (AV) ECLS and one based on veno-venous (VV) ECLS. The AV-ECLS approach utilizes only the umbilical vessels for cannulation. It requires immediate transition of the infant at the time of birth to a fluid-filled artificial womb to prevent umbilical vessel spasm and avoid gas ventilation. In contradistinction, the VV-ECLS approach utilizes the umbilical vein and the internal jugular vein. It would be applied after birth to infants failing maximal medical therapy or pre-emptively if risk stratified for high mortality and morbidity. Animal studies are promising, demonstrating prolonged support and ongoing organ development in both systems. The milestones for clinical translation are currently being evaluated.

Keywords: Artificial Placenta; ELGAN; NOSA; EXIT

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Citation: Pradeep Kumar Radhakrishnan., et al. “Artificial Placenta: Intrigue-Interest and Future Challenges”. EC Cardiology 7.12 (2020): 49-54.

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