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Targeting Arterial Oxygen Saturation by Closed-Loop Control of Inspired Oxygen in Preterm Infants

Nelson Claure1, Eduardo Bancalari1

  • 1Division of Neonatology, Department of Pediatrics, University of Miami Miller School of Medicine, PO Box 016960 R-131, Miami, FL 33101, USA.

Clinics in Perinatology
|July 27, 2019
PubMed

Insights

Premature infants often experience harmful oxygen level fluctuations. Closed-loop oxygen systems aim to improve oxygen targeting (SpO2) and reduce risks to infant organs.

Area of Science:

  • Neonatal medicine
  • Respiratory physiology
  • Medical technology

Background:

  • Premature infants are susceptible to organ damage from abnormal blood oxygen levels (hyperoxemia and hypoxemia).
  • Respiratory instability and resource limitations complicate maintaining optimal oxygen saturation (SpO2) in these infants.
  • Extreme SpO2 levels pose significant risks to the developing eyes, lungs, and central nervous system.

Purpose of the Study:

  • To review clinical evidence on the efficacy of closed-loop systems for oxygen control in extremely premature infants.
  • To assess the impact of these systems on SpO2 targeting and patient safety.
  • To evaluate the potential of advanced technology in managing respiratory support for vulnerable neonates.

Main Methods:

  • Systematic review of clinical studies.
  • Analysis of data from trials evaluating closed-loop oxygen control systems.
  • Focus on studies involving extremely premature infants.

Main Results:

  • Closed-loop systems demonstrate potential in improving SpO2 targeting accuracy.
  • Evidence suggests these systems may reduce exposure to extreme oxygen levels.
  • Further research is needed to fully establish long-term benefits and safety profiles.

Conclusions:

  • Closed-loop oxygen control systems offer a promising approach to managing SpO2 in premature infants.
  • These systems may mitigate risks associated with hyperoxemia and hypoxemia.
  • Continued evaluation is crucial for optimizing their use in neonatal intensive care.

Keywords:
AutomaticOxygen therapyOxygenationPremature infantSupplemental oxygen

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