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Related Experiment Videos

Performance of a urine-screening protocol.

S Y Loo, A G Scottolini, S Luangphinith

    American Journal of Clinical Pathology
    |April 1, 1986
    PubMed
    Summary

    This study evaluated a urinalysis protocol, reducing sediment microscopy by 57.1%. The protocol improved detection of significant bacteriuria, showing good clinician acceptance despite increased urine cultures.

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    Area of Science:

    • Clinical Chemistry
    • Microbiology
    • Laboratory Medicine

    Background:

    • Urinalysis is a common diagnostic tool.
    • Optimizing urinalysis protocols can improve efficiency and diagnostic accuracy.
    • Selective use of microscopy and culture is key to efficient laboratory workflows.

    Purpose of the Study:

    • To evaluate the performance of a urinalysis protocol utilizing dipstick screening with selective microscopy and culture.
    • To assess the protocol's impact on the detection of significant bacteriuria and clinician acceptance.
    • To analyze the cost-effectiveness of the implemented urinalysis protocol.

    Main Methods:

    • Implementation of a protocol for urinalysis using Chemstrip-9 dipstick screening.
    • Selective performance of urine sediment microscopy based on dipstick results or specific orders.
    • Selective performance of urine culture based on microscopy findings or positive nitrite tests.

    Main Results:

    • Sediment microscopy was reduced by 57.1%.
    • Protocol-driven urine cultures were performed in 9.8% of cases, with an additional 13.6% ordered specifically.
    • Significant bacteriuria detection was 89.8% for ordered cultures under the protocol, with higher rates in protocol-generated cultures (37.1%) vs. ordered (17.2%).

    Conclusions:

    • The urinalysis protocol effectively facilitates the detection of significant bacteriuria.
    • Clinician acceptance of the protocol is good.
    • Cost savings from reduced microscopy were partially offset by an increase in urine cultures.

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