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Related Experiment Videos

Experimental pericardial inflammation evaluated by computed tomography.

D Hackney, R A Slutsky, R Mattrey

    Radiology
    |April 1, 1984
    PubMed
    Summary

    Computed tomography (CT) effectively detects pericardial inflammation in dogs by showing contrast enhancement of the pericardium within one week of insult. This imaging technique aids in evaluating acute pericardial inflammation.

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    Area of Science:

    • Veterinary Radiology
    • Cardiovascular Imaging
    • Inflammatory Disease Research

    Background:

    • Pericardial inflammation, or pericarditis, can be challenging to diagnose non-invasively.
    • Contrast-enhanced computed tomography (CT) offers potential for visualizing inflammatory changes in the pericardium.

    Purpose of the Study:

    • To evaluate the utility of ungated and cardiac-gated computed tomography (CT) with contrast infusion for detecting experimental pericardial inflammation in dogs.
    • To assess the temporal changes in contrast enhancement and associated findings over six weeks post-induction of inflammation.

    Main Methods:

    • Twelve dogs, including two controls, underwent ungated and cardiac-gated CT scans.
    • Pericardial inflammation was experimentally induced. Imaging was performed during and after contrast infusion, with follow-up scans for up to six weeks.

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    Main Results:

    • All dogs with induced pericardial inflammation demonstrated contrast enhancement of the parietal and visceral pericardium.
    • This enhancement was detectable within one week and persisted for up to six weeks.
    • Contrast enhancement was frequently associated with pericardial effusion. No significant findings were observed in control dogs or prior to contrast infusion.

    Conclusions:

    • Contrast-enhanced CT is a valuable tool for evaluating acute pericardial inflammation in dogs.
    • The technique allows for early detection and monitoring of inflammatory changes and associated effusion.