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Related Experiment Videos

Motion resistant pulse oximetry in neonates.

R Sahni1, A Gupta, K Ohira-Kist

  • 1Department of Pediatrics, College of Physicians and Surgeons, Columbia University, New York, NY, USA. rs62@columbia.edu

Archives of Disease in Childhood. Fetal and Neonatal Edition
|November 7, 2003
PubMed
Summary

Masimo signal extraction technology shows improved accuracy in neonatal pulse oximetry compared to Nellcor, especially during motion. This technology offers more reliable oxygen saturation (SpO(2)) and heart rate (HR) measurements in neonates.

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Area of Science:

  • Neonatal monitoring
  • Medical device technology
  • Clinical diagnostics

Background:

  • Pulse oximetry is crucial for neonates but often compromised by motion.
  • Clinicians currently correlate oximeter heart rate (HR) with ECG to assess reliability.
  • Motion artifact significantly impacts the accuracy of SpO(2) readings.

Purpose of the Study:

  • To compare the impact of motion on SpO(2) and HR measurements.
  • Evaluate Masimo signal extraction technology against Nellcor N-200 in neonates.
  • Assess device performance during varying behavioral states.

Main Methods:

  • 15 healthy term infants underwent continuous pulse oximetry and HR monitoring.
  • Masimo and Nellcor devices were used alongside a standard ECG monitor.

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  • Behavioral activity was coded, and data analyzed during sleep, circumcision, and crying.

    • Main Results:

    • Masimo showed higher SpO(2) and HR, with lower artifact incidence than Nellcor.
    • Masimo HR more accurately predicted ECG-derived HR with less error.
    • Nellcor readings were lower and more variable, particularly during crying due to motion artifact.

    Conclusions:

    • Masimo signal extraction technology demonstrates superior performance in neonatal pulse oximetry.
    • This technology is particularly beneficial in situations with significant motion artifact.
    • Improved accuracy may enhance clinical decision-making in neonatal care.