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Related Experiment Videos

Feline chronic progressive polyarthritis.

N C Pedersen, R R Pool, T O'Brien

    American Journal of Veterinary Research
    |April 1, 1980
    PubMed
    Summary

    Chronic progressive polyarthritis in male cats is linked to feline syncytia-forming virus (FeSFV) infection. Feline leukemia virus (FeLV) may worsen the condition in predisposed cats.

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    Area of Science:

    • Veterinary Medicine
    • Immunology
    • Virology

    Background:

    • Chronic progressive polyarthritis is a debilitating joint disease observed in cats.
    • The etiology of feline polyarthritis remains incompletely understood, with previous studies exploring infectious and immune-mediated causes.

    Purpose of the Study:

    • To investigate the clinical, radiographic, and histopathologic features of chronic progressive polyarthritis in cats.
    • To identify potential infectious agents, specifically feline leukemia virus (FeLV) and feline syncytia-forming virus (FeSFV), associated with this condition.

    Main Methods:

    • Radiographic and histopathologic examination of affected feline joints.
    • Isolation and detection of FeLV and FeSFV from blood and tissues of affected cats.
    • Serologic testing for FeSFV and immunofluorescence for FeLV.

    Main Results:

    • The study identified two forms of feline polyarthritis: a periosteal proliferative form resembling Reiter's arthritis and a deforming type similar to rheumatoid arthritis.
    • Feline syncytia-forming virus (FeSFV) was detected in all affected cats, while feline leukemia virus (FeLV) was found in 60% of cases.
    • Histopathologic findings in cats mirrored human rheumatoid and Reiter's arthritis, but bacterial or mycoplasma causes were ruled out.

    Conclusions:

    • Chronic progressive polyarthritis in cats is etiologically linked to FeSFV infection, particularly in predisposed male cats.
    • FeLV may act as a co-factor, potentiating the effects of FeSFV, rather than being a direct cause.
    • The disease presents as tenosynovitis and synovitis, progressing to significant joint changes, and is an uncommon manifestation of FeSFV infection.

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