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Related Experiment Videos

A comparison of three variable performance devices for postoperative oxygen therapy

M E McBrien1, W F Sellers

  • 1Department of Anaesthesia, Kettering and District General Hospital, Northamptonshire.

Anaesthesia
|February 1, 1995
PubMed
Summary

Oxygen delivery methods were compared in intensive care patients. A nasal catheter with a foam collar and a Hudson mask provided higher partial pressure of oxygen (PaO2) than nasal cannulae.

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Area of Science:

  • Critical Care Medicine
  • Respiratory Therapy
  • Surgical Patient Management

Background:

  • Postoperative patients in intensive care often require supplemental oxygen.
  • Nasogastric tubes and facemasks are common in major abdominal surgery patients.
  • Variable performance oxygen delivery devices are frequently indicated in this population.

Purpose of the Study:

  • To compare the efficacy of different oxygen delivery devices in intensive care unit (ICU) patients.
  • To evaluate oxygenation parameters (PaO2, PaCO2, SpO2) with Hudson mask, nasal cannulae, and a novel nasal catheter with foam collar.
  • To assess patient comfort and compliance with various oxygen delivery methods.

Main Methods:

  • Randomized controlled trial involving eleven ICU patients post-major abdominal surgery.

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  • Oxygen administration at 4 L/min via Hudson mask, nasal cannulae, or nasal catheter with foam collar.
  • Measurement of arterial oxygen (PaO2), arterial carbon dioxide (PaCO2), and oxygen saturation (SpO2).

    • Main Results:

    • Significantly greater PaO2 achieved with the nasal catheter (p < 0.01) and Hudson mask (p < 0.05) compared to nasal cannulae.
    • No significant differences in PaCO2 or SpO2 between the tested devices.
    • The nasal catheter with foam collar demonstrated superior PaO2 compared to nasal cannulae in patients with nasogastric tubes.

    Conclusions:

    • Nasal oxygen delivery devices may be preferable for postoperative ICU patients due to comfort and compliance.
    • The nasal catheter with a foam collar is an effective alternative for oxygenation, showing improved PaO2 over nasal cannulae.
    • Hudson masks also provide effective oxygenation compared to nasal cannulae in this patient group.