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A doenca renal pode progredir de forma implacavel e leva o paciente ao estado de insuficiencia renal cronica (IRC) e, na sequencia, a falencia renal. Varias alteracoes sistemicas decorrente da IRC sao citadas na literatura, e entre uma das mais importantes os altos niveis sericos de ureia, caracterizando a pneumonite. Com o objetivo de identificar as alteracoes pulmonares, atraves de exames radiograficos de caes com insuficiencia renal cronica (IRC), realizou-se este estudo com 30 caes adultos, dentre machos e femeas. Os animais foram distribuidos em dois grupos. O grupo controle (GI) foi constituido por 10 caes higidos e GII por 20 caes com IRC. Os animais, provenientes da rotina do Hospital Veterinario “Governador Laudo Natel”, foram classificados apos triagem composta por anamnese, exame clinico e laboratorial. Os caes do GI e GII tiveram a regiao toracica radiografada, em projecoes lateral direita e ventrodorsal, para avaliacao das dimensoes cardiaca e padroes pulmonares. O tamanho cardiaco foi avaliado por meio de escore cardiaco vertebral (VHS) e de maneira subjetiva. Os valores encontrados pelo metodo VHS foram de 10,55 corpos vertebrais ± 0,68 para o GI e 10,30 corpos vertebrais ± 0,52 para o GII . Na avaliacao qualitativa encontrou-se aumento de area cardiaca direita e esquerda em grande parte dos animais do GII, diferentemente do GI onde somente foi observado aumento de area cardiaca direita. Nao foi constatada diferenca ( p = 0,2757) em relacao a area cardiaca pelo metodo VHS entre os dois grupos de animais, todavia 100% dos caes do GII apresentaram padrao pulmonar representativo de pneumonite. SUMMARY Kidney disease can progress relentlessly and takes the patient to a state of chronic renal failure (CRF) and, subsequently, to renal failure. Several systemic changes arising from the CRF are cited in the literature, and one of the most important is high level of seric urea, which can lead to pneumonitis. In order to identify the pulmonary alterations caused by CRF, radiographs were performed in 30 adult male and female dogs. The animals were divided into two groups (GI and GII). The control group (GI) consisted of 10 healthy dogs while GII of 20 dogs with CRF. The animals were patients of the Veterinary Hospital “Governador Laudo Natel” and were selected after screening their anamnesis, clinical and laboratorial exams. Dogs of GI and GII had the thoracic region imaged in right lateral and ventrodorsal projections for evaluation of heart size and pulmonary patterns. The heart size was assessed by vertebral heart score (VHS) and subjectively. The values ​​found for VHS were 10.55 ± 0.68 vertebral bodies for GI and 10.30 ± 0.52 vertebral bodies for GII. The qualitative assessment showed cardiac right and left enlargement in most of the GII animals, unlike the GI with right side enlargement only. No difference was noted (p = 0.2757) for VHS between the two groups of animals, but 100% of the dogs of GII exhibited pulmonary pattern compatible with pneumonitis.

ars veterinária

RADIOGRAPHIC FINDINGS OF UREMIC PNEUMONITIS IN DOGS WITH CHRONIC RENAL FAILURE / Achados radiográficos de pneumonite urêmica em cães com insuficiência renal crônica.