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Related Experiment Videos

Validation of a new arterial micro sampling device.

J D Cohill, F K White

    Respiratory Care
    |September 8, 1982
    PubMed
    Summary

    A new micro collection set allows for reliable blood gas and pH analysis using only 200 microliters of blood. This device ensures sample stability for up to one hour, comparable to traditional glass syringes.

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    Area of Science:

    • Clinical Chemistry
    • Medical Devices

    Background:

    • Arterial blood gas (ABG) and pH determinations require significant blood volumes.
    • Minimally invasive blood collection methods are needed to reduce patient discomfort and sample waste.

    Purpose of the Study:

    • To develop and validate the Dade Arterial Micro Collection Set for accurate ABG and pH analysis.
    • To assess the storage stability and performance of the micro collection device compared to glass syringes.

    Main Methods:

    • The Dade Arterial Micro Collection Set, designed for 200 microliter blood collection, was evaluated.
    • Tonometered blood samples were stored in the device for analysis.
    • Performance was compared against conventional glass syringes.

    Main Results:

    • Blood samples stored in the Micro Collection Device showed no significant changes in pH or blood gas values for up to 1 hour.
    • The device demonstrated comparable performance to glass syringes in blood gas and pH determinations.

    Conclusions:

    • The Dade Arterial Micro Collection Set provides a reliable method for small-volume blood collection for pH and ABG analysis.
    • The device maintains sample integrity for at least 1 hour, offering a viable alternative to larger volume collection methods.

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