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Estudo dopplerfluxométrico renal de quatis (Nasua nasua, Linnaeus, 1766) de vida livre

Authors: Inamassu, Letícia Rocha;

Estudo dopplerfluxométrico renal de quatis (Nasua nasua, Linnaeus, 1766) de vida livre

Abstract

A população de quatis tem aumentado consideravelmente, principalmente em parques públicos, fato que aumenta a preocupação com relação a ocorrência das doenças de caráter zoonótico. Existem poucos relatos do emprego da ultrassonografia convencional e Doppler na avaliação renal desses animais, assim como auxilio no diagnóstico das doenças nessa espécie. Portanto, o trabalho teve por objetivo avaliar pela ultrassonografia convencional as características de ecogenicidade comparativa dos rins e detectar, ao exame Doppler, um perfil do índice de resistividade das artérias intrarrenais de quatis de vida livre, sob contenção química. Foram avaliados 17 quatis, 4 machos e 13 fêmeas. Uma correlação positiva foi observada entre o peso (2,5 até 9,3 Kg) e comprimento dos rins (2,73 a 4,07 cm). Todos os quatis apresentaram adequada definição e proporção córtico-medular, com córtex hiperecogênico em relação à medular, mantiveram a mesma relação de ecogenicidade entre parênquima esplênico, hepático e córtex renal que os observados em cães e gatos. Foi obtido o índice de resistividade (IR) das artérias intrarrenais, com média de 0,63 ± 0,06 (variando de 0,49 a 0,82) e com pressão arterial sistêmica (PAS) média de 94 mmHg, valores de IR superiores aos encontrados nos cães e gatos não sedados. Não foi observado correlação positiva entre a PAS e o IR intrarrenal nos animais submetidos a combinação de cetamina, xilazina e midazolam. O IR desses animais deverá ser mensurados com outras combinações químicas de anestésicos

Coati's population has increased considerably, especially in public parks, which increases the concern about the occurrence of zoonotic diseases. There are few reports of the use of conventional and Doppler ultrasound in renal evaluation of these animals, as well as an aid in the disease diagnosis in this species. Therefore, the study aimed to assess by conventional ultrasound the characteristics of comparative echogenicity of the kidneys and to detect at Doppler examination, a profile of the resistivity index of intrarenal arteries of free ranging coatis under chemical restraint. Seventeen coatis, 4 males and 13 females, were evaluated. A positive correlation was observed between body weight (from 2.5 to 9.3 kg) and renal length (from 2.73 to 4.07cm). All coatis had adequate cortico-medullary definition and ratio, with a hyperechoic cortex relative to the medulla, maintaining the same echogenicity relationship between splenic and hepatic parenchyma and renal cortex than those observed in dogs and cats. The resistive index (RI) was obtained from the intrarenal arteries, averaging 0.62 ± 0.06 (range 0.49 to 0.71) and mean systemic arterial pressure (SAP) of 95.06 mmHg, a higher RI than those found in dogs and cats not sedated. There was no positive correlation between SAP and renal RI in the animals submitted to a combination of ketamine, xylazine and midazolam. The RI of these animals should be measured with other chemical combinations of anesthetics

Pós-graduação em Medicina Veterinária - FMVZ

Country
Brazil
Keywords

Ultrassonografia veterinária, Quati, Coatis, Veterinary ultrasonography, Doppler, Ultrassonografia, Ultrassonografia, Animais silvestres, Doppler, Rins - Exame, Diagnóstico por imagem

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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