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Epinephrine enhanced knee arthrography.

R F Spataro, R W Katzberg, F A Burgener

    Investigative Radiology
    |July 1, 1978
    PubMed
    Summary
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    Adding epinephrine to knee arthrography in dogs significantly improved contrast and radiographic quality. This veterinary imaging technique enhanced iodine concentration and reduced fluid volume, persisting for up to an hour.

    Area of Science:

    • Veterinary Radiology
    • Diagnostic Imaging
    • Canine Orthopedics

    Background:

    • Knee arthrography is a diagnostic imaging technique used in veterinary medicine.
    • Optimizing contrast and radiographic quality is crucial for accurate diagnosis.
    • Epinephrine's effects on contrast media in vivo are not well-established.

    Purpose of the Study:

    • To evaluate the effect of epinephrine on iodine concentration, total iodine content, fluid volume, and radiographic quality in canine knee arthrograms.
    • To determine if epinephrine can enhance the diagnostic quality of knee arthrography.

    Main Methods:

    • Dogs underwent knee arthrography with and without the addition of 0.3 cc of 1:1000 epinephrine.
    • Iodine concentration, total iodine content, and fluid volume were measured over a one-hour period.

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  • Radiographic quality was assessed and compared between groups.

    • Main Results:

    • Epinephrine significantly increased initial iodine concentration and total iodine content, which remained elevated for one hour compared to controls.
    • Fluid volume in the knee was significantly lower when epinephrine was used.
    • Radiographs with epinephrine showed significantly better quality early on, with enhanced quality persisting for up to one hour, unlike controls.

    Conclusions:

    • Epinephrine is a valuable adjunct for improving the quality of canine knee arthrography.
    • The use of epinephrine enhances contrast visibility and reduces dilution effects.
    • Improved radiographic quality with epinephrine can lead to more accurate diagnoses in knee joint imaging.