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B-mode and Doppler ultrasound of chronic kidney disease in dogs and cats

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Abstract

Ultrasound is the imaging test of choice for renal evaluation, because it provides information about the position, size, shape, internal architecture and hemodynamics of the kidneys without harming the patient. In chronic kidney disease, the main findings observed in B-mode ultrasound images are increased cortical echogenicity, loss of corticomedullary differentiation, reduced renal volume and irregular renal contour, and when these changes are associated, they are indicative of end-stage renal disease. However, the cause of kidney disease cannot be determined by ultrasonography, but must be confirmed by means of biopsy, although the presence of ultrasonographic changes indicative of the end-stage of the disease may contraindicate this procedure. The Doppler ultrasound test complements the ultrasonic B-mode examination and enables the assessment of renal perfusion based on a calculation of the hemodynamic indices, which are increased in cases of chronic kidney lesions, with higher values ​​in the most severe cases. Thus, ultrasound examinations are not only useful in diagnostics but also play an important role in defining the prognosis of patients with chronic kidney disease.

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Authors and Affiliations

  1. Department of Veterinary Medicine, School of Veterinary Medicine and Animal Science, Federal University of Goiás – UFG, Campus Samambaia, Avenida Esperança, s/n, Conj. Itatiaia, Goiânia, GO, 74690-900, Brazil

    Nathália Bragato, Naida Cristina Borges & Maria Clorinda Soares Fioravanti

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  1. Nathália Bragato
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  2. Naida Cristina Borges
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  3. Maria Clorinda Soares Fioravanti
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Correspondence to Nathália Bragato.

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Bragato, N., Borges, N.C. & Fioravanti, M.C.S. B-mode and Doppler ultrasound of chronic kidney disease in dogs and cats. Vet Res Commun 41, 307–315 (2017). https://doi.org/10.1007/s11259-017-9694-9

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