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Related Experiment Videos

Pulse oximetry during helicopter transport.

R DeJarnette1, R Holleran, N P Von Rotz

  • 1University of Cincinnati Air Care, OH.

Air Medical Journal
|March 9, 1993
PubMed
Summary

Pulse oximetry readings during helicopter transport accurately reflect arterial blood gas saturations. This non-invasive monitoring tool is a valuable addition to patient care in emergency medical services.

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Area of Science:

  • Emergency Medicine
  • Critical Care
  • Medical Devices

Background:

  • Pulse oximetry is a non-invasive method for monitoring oxygen saturation.
  • Its utility during helicopter transport, a critical phase in emergency care, requires validation.

Purpose of the Study:

  • To assess the correlation between pulse oximetry readings and arterial blood gas (ABG) saturations in patients during helicopter transport.
  • To evaluate the reliability of pulse oximetry for heart rate monitoring in this setting.

Main Methods:

  • A prospective study involving 101 adult patients (not in cardiopulmonary resuscitation) undergoing helicopter transport.
  • Simultaneous recording of pulse oximeter oxygen saturation and heart rate alongside vital signs.
  • Comparison of pulse oximetry data with subsequent ABG measurements obtained in the emergency department.

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Main Results:

  • Pulse oximeter saturation readings showed no significant difference compared to ABG saturations (p = 0.383).
  • No significant difference was found between pulse oximeter heart rate and palpated pulse rates.
  • A small but statistically significant improvement in saturation readings over time was observed (p < 0.05).
  • Pulse oximeter malfunction occurred in 9.9% of patients, with no correlation to probe type.

Conclusions:

  • Pulse oximetry is a reliable tool for estimating arterial oxygen saturation in patients during helicopter transport.
  • The device can be a valuable adjunct for patient monitoring in pre-hospital critical care settings.
  • Further investigation into device reliability and malfunction is warranted.