• Anaesthesia · Feb 1995

    Randomized Controlled Trial Comparative Study Clinical Trial

    A comparison of three variable performance devices for postoperative oxygen therapy.

    • M E McBrien and W F Sellers.
    • Department of Anaesthesia, Kettering and District General Hospital, Northamptonshire.
    • Anaesthesia. 1995 Feb 1;50(2):136-8.

    AbstractEleven patients in the intensive care unit following major abdominal surgery with a nasogastric tube in situ and receiving oxygen via facemask were allocated to receive in a random sequence oxygen at 4 l.min-1 via a Hudson mask, nasal cannulae or a nasal catheter with foam collar at the distal end. A significantly greater PaO2 was achieved using both the nasal catheter with foam collar (p < 0.01) and Hudson mask (p < 0.05) compared to the nasal cannulae. There were no significant differences in the PaCO2 or SpO2 values obtained between the devices. In the majority of postoperative patients in whom a variable performance device is indicated, nasal devices appear preferable in terms of patient comfort and compliance. The nasal catheter with foam collar produced a significantly greater PaO2 than nasal cannulae in patients with a nasogastric tube in situ.

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