Disorders involving the nervous system have a great importance in veterinary medicine because they have a high incidence and few auxiliary tools for their diagnostic, prognostic and evaluation of the employed therapy. Today

RESUMO As efusões são problemas clínicos frequentes e que ocorrem em consequência de uma enfermidade que culmine com diminuição da pressão coloidosmótica intravascular INTRODUÇÃOEm condições normais, um pequeno volume de fluido intracavitário é formado a partir da filtração do plasma pelo endotélio capilar, que ocorre através da interação da pressão hidrostática desses capilares,

Background. Glucometers or portable sensors are used to quickly measure blood glucose at low cost. They are used in veterinary practice and by guardians to monitor diseases that require, as in diabetes mellitus. However, not all commercially available glucometers (human and veterinary) are suitable for this purpose. Hypotheses/Objectives. The objective was to evaluate the analytical and clinical precision of three human-use portable glucometers. Animals. This study evaluated 115 samples in three glycemic ranges (hypoglycemia, normoglycemia, and hyperglycemia) from 82 dogs recruited from veterinary services. Methods. The portable glucometers are the FreeStyle Freedom Lite®, FreeStyle Optium Neo®, and On Call Plus® models. Glucometer results were compared with the enzymatic colorimetric glucose oxidase laboratory reference method. Using descriptive and comparative statistical analysis, there were correlations between these devices and the standard method, ISO 15197 : 2003 and ISO 15197 : 2013 standards, and error grid analysis. Results. Only the Freedom Lite® device observed a statistical difference when compared with the reference method. Despite the underestimated glucose concentrations assessed with humane devices, all three tested herein showed a positive coefficient. However, none of these achieved all ISO guidelines. Conclusion and Clinical Importance. Although there was wide use of portable humane devices for dog glucose measurements on routine, the results are generally inferior when compared to the reference method. The FreeStyle Optium Neo® glucometer obtained the best result and is therefore the best option among the glucometers evaluated; however, for the first attendance on veterinary routine, all three glucometers had a satisfactory glucose measurement until the reference method availability.

ResumoDiferentemente das demais técnicas já descritas, que se baseiam em linhas imaginárias entre extremidades ou protuberâncias ósseas, o presente trabalho descreve uma modificação de técnica de colheita de líquido cefalorraquidiano (LCR) em cães, no espaço atlanto-occipital. A palpação das estruturas ósseas nessa articulação, juntamente com o direcionamento apoiado da agulha, facilita muito essa colheita, até mesmo para profissionais que não possuem experiência nesse tipo de procedimento. A técnica utilizada neste experimento possibilitou a obtenção de volumes adequados de amostras de LCR límpidas e incolores dos 50 cães sadios utilizados na primeira tentativa de colheita. Não houve contaminação com sangue durante o procedimento, o que possibilitou a interpretação adequada de parâmetros laboratoriais analisados rotineiramente em amostras de LCR. Palavras-chave: Cão, sistema nervoso, líquido Abstract Unlike the already described techniques, which are based on imaginary lines among extremities or bone projections, this research describes a collection technique modification of cerebrospinal fluid (CSF) in dogs, in the atlantooccipital space. The palpation of bone structures in this joint, plus the supported directioning of the needle, does make the collection easy, even by professionals which have no experience in this kind of procedure. The applied technique enabled the collection of adequate volumes of limpid and colorless CSF of 50 healthy dogs in the first attempt of collection. There was no contamination with blood during the procedure, what made possible the correct interpretation of laboratory parameters usually examined in CSF samples.

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