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Related Experiment Videos

Long-term jugular vein catheterization in horses.

S L Spurlock1, G H Spurlock, G Parker

  • 1Marion duPont Scott Equine Medical Center, Virginia-Maryland Regional College of Veterinary Medicine, Leesburg, VA 22075.

Journal of the American Veterinary Medical Association
|February 1, 1990
PubMed
Summary

Soft catheter materials like silastic enable longer, safer venous access in horses. Using less rigid materials, such as silastic, minimizes complications for extended jugular vein catheterization.

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Area of Science:

  • Veterinary Medicine
  • Biomaterials Science
  • Surgical Innovation

Background:

  • Long-term venous access is crucial in equine medicine.
  • Previous studies in humans demonstrated the safety of soft catheter materials for venous access.
  • Evaluating catheter material biocompatibility is essential for minimizing complications.

Purpose of the Study:

  • To compare the clinical and histologic outcomes of different catheter materials for long-term jugular vein catheterization in horses.
  • To determine the optimal catheter material for extended venous access in equine patients.
  • To assess the feasibility of catheterizing equine jugular veins for up to 30 days.

Main Methods:

  • Horses underwent jugular vein catheterization for 14 days (Group 1) and 30 days (Group 2).

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  • Three catheter materials were evaluated: silastic, polyurethane, and polytetrafluoroethylene (PTFE).
  • Clinical assessments and histologic examinations were performed to evaluate tissue reactions.

    • Main Results:

    • Silastic catheters exhibited the least tissue reaction, followed by polyurethane.
    • Polytetrafluoroethylene (PTFE) catheters induced a marked inflammatory response.
    • Catheterization durations of 14 days or longer were achievable with minimal complications using less rigid materials.

    Conclusions:

    • Soft, less rigid catheter materials, particularly silastic, are associated with reduced complications for long-term equine venous access.
    • Silastic and polyurethane catheters are suitable for extended jugular vein catheterization in horses.
    • The choice of catheter material significantly impacts the success and safety of long-term venous access in equine patients.