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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Analysis of synovial fluid of the Capybara's stifle joints

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Author(s):
Brombini, Giovanna C. ; Rahal, Sheila C. ; Bergamini, Bruno C. S. ; Lopes, Raimundo S. ; Santos, Ivan F. C. ; Schimming, Bruno C.
Total Authors: 6
Document type: Journal article
Source: VETERINARY CLINICAL PATHOLOGY; v. 46, n. 1, p. 179-182, MAR 2017.
Web of Science Citations: 0
Abstract

BackgroundAlthough normal synovial fluid has been well characterized in domestic animals such as dogs, cats, horses, and cows, the available information on larger rodents is scarce. ObjectivesThe purpose of the study was to analyze the physical, chemical, and cytologic characteristics of the synovial fluid in stifle joints of Capybaras. MethodsFive free-ranging adult female Capybaras (Hydrochoerus hydrochaeris), weighing from 37 to 56 kg were used. Synovial fluid was obtained by aspiration of 10 stifle joints. Samples were analyzed for physical, chemical, and cytologic properties. ResultsSpontaneous clotting was negative in 9 samples. Most synovial fluids had pH 8, and protein concentrations ranged from 1.6 to 3.6 g/dL. The mucin clot test was good in all 6 samples that were tested. Nucleated cell counts ranged from 140 to 508 cells/L. Relative differential leukocyte counts demonstrated a predominance of mononuclear cells (97.6%), including 76.2% undifferentiated mononuclear cells, 18.1% macrophages, and 3.66% lymphocytes. Polymorphonuclear cells included 1.83% neutrophils and 0.2% eosinophils. ConclusionThe synovial stifle joint fluid of healthy free-ranging adult Capybaras is clear, colorless, viscous, and with chemical features and cytologic findings similar to those seen in domestic animals. (AU)

FAPESP's process: 15/09161-2 - Characteristics of the hind limbs in free-living capybaras (Hydrochoerus hydrochaeris, Linnaeus, 1766)
Grantee:Giovanna Cristina Brombini
Support type: Scholarships in Brazil - Master