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Feline post-sterilization hyphema.

Alex P Schenk1, Ann M McGrath2, Cheryl A Beatty2

  • 1Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA.

Veterinary Ophthalmology
|March 28, 2020
PubMed
Summary
This summary is machine-generated.

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Post-sterilization hyphema in cats is rare, occurring in 0.2% of cases. This condition, affecting young male cats, typically resolves within 20 hours, but its cause remains unknown.

Area of Science:

  • Veterinary ophthalmology
  • Small animal surgery

Background:

  • Feline post-sterilization hyphema is an uncommon complication.
  • Understanding its incidence and risk factors is crucial for shelter medicine.

Purpose of the Study:

  • To determine the incidence of post-sterilization hyphema in cats.
  • To identify potential risk factors associated with this condition.

Main Methods:

  • Retrospective analysis of 1204 cat medical records.
  • Prospective ophthalmic examinations of 195 cats before and after sterilization.
  • Surveys of 20 veterinarians performing high-quality, high-volume spay-neuter (HQHVSN).

Main Results:

  • An incidence of 0.2% for post-sterilization hyphema was observed.
Keywords:
cathyphemashelter medicinesterilizationtiletaminezolazepam

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  • Three cases occurred in juvenile male cats (<1 year, <2 kg) within 1 hour of surgery.
  • All affected cats received tiletamine/zolazepam anesthesia and hyphema resolved within 20 hours.

    • Conclusions:

    • Feline post-sterilization hyphema is confirmed with an estimated incidence of 0.2%.
    • The underlying mechanism for hyphema following sterilization remains undetermined.