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Related Experiment Videos

Angioscopic visualization of pulmonary emboli

K M Moser, D Shure, J H Harrell

    Chest
    |February 1, 1980
    PubMed
    Summary

    A novel flexible fiberoptic angioscope with a balloon was successfully used to visualize major veins, heart chambers, and pulmonary arteries in dogs. This innovative device shows great promise for both research and clinical use in cardiovascular imaging.

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    Area of Science:

    • Cardiovascular imaging
    • Medical device technology
    • Veterinary medicine

    Background:

    • Direct visualization of cardiovascular structures is crucial for diagnosis and research.
    • Existing methods may have limitations in accessibility or resolution for certain applications.

    Purpose of the Study:

    • To evaluate a new flexible, fiberoptic angioscope for direct in vivo visualization of the canine cardiovascular system.
    • To assess the feasibility and safety of using this device in animal models.

    Main Methods:

    • A flexible, fiberoptic angioscope equipped with an inflatable distal balloon was employed.
    • The device was inserted and manipulated in vivo in canine subjects.
    • Visualization included great veins, right cardiac chambers, pulmonary arteries, and experimental emboli.

    Main Results:

    • The angioscope successfully provided direct visualization of the targeted cardiovascular structures.
    • Experimental emboli were also visualized in vivo.
    • Insertion and manipulation of the device were well-tolerated by the animal subjects.

    Conclusions:

    • The flexible, fiberoptic angioscope is a safe and effective tool for direct visualization of the canine cardiovascular system.
    • The device has significant potential for future investigative and clinical applications in cardiovascular medicine.

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