Parâmetros citológicos e bioquímicos do líquido cefalorraquidiano coletado de bovinos sadios em dois momentos, com intervalo de 96 horas

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Cunha, P. H.J.
Andrade, D. G.A. [UNESP]
Oliveira-Filho, J. P. [UNESP]
Badial, P. R. [UNESP]
Passarelli, D. [UNESP]
Takahira, R. K. [UNESP]
Lisboa, J. A.N.
Borges, A. S. [UNESP]

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The analysis of cerebrospinal fluid (CSF) is important for the diagnosis of neurological diseases in cattle. However, the effect of consecutive collections on the cytological and biochemical parameters of the CSF has not been evaluated yet. The objective of the present study was to evaluate potential differences on the cytological and biochemical analysis of CSF obtained from healthy cattle at two sampling times with 96 hours of interval in between. Total and differential cell counts, and total protein concentration were analyzed in the CSF. Increased cellularity and significant reduction of lymphocyte and elevated numbers of mononuclear cells were observed on the second collection. However, erythrocyte count (/μl), total leukocyte count (/μl), neutrophils (%), eosinophils (%) and total protein concentration (mg/dl) remained within the reference range 96 hours after the completion of the first puncture. In conclusion, consecutive CSF collections cause no detectable local inflammation 96 hours after the first puncture suggesting that repeated collections do not interfere in the CSF results.



Cattle, Cerebrospinal fluid, Inflammation

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Arquivo Brasileiro de Medicina Veterinaria e Zootecnia, v. 69, n. 6, p. 1393-1397, 2017.