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1.
Acta sci. vet. (Impr.) ; 49(supl.1): 731, 2021. ilus
Artigo em Inglês | VETINDEX | ID: biblio-1366375

Resumo

Background: Hydronephrosis is the dilation of the pelvis and renal calyxes due to post-renal obstruction. The obstruction is often associated with extraluminal masses, blood clots and ureter ligation in castration procedures. Ureter ligation is reported as a malpractice. The renal function is reestablished if ligation is rapidly undone, but not for obstructions longer than four weeks. Often, clinical signs are results from months to years after the castration, when nephrectomy is the best therapeutic option. This paper aims to report a case of asymptomatic unilateral hydronephrosis in a 10-year-old dog caused by chronic ureter occlusion with Nylon 3.0 suture during an elective procedure. Case: A 10-year-old female pinscher dog, spayed 3 years ago was admitted at the Surgery Department of the Veterinary Hospital of the Federal University of Jataí (HV-UFJ). The animal was taken for periodontal treatment. In the physical and laboratory examination (complete blood count, hepatic and renal biochemical tests) no significant and noteworthy alterations were found. Ultrasonographic examination showed no changes in the topography and echotexture of the left kidney, however the right kidney was not visualized, with an anechoic structure suggestive of advanced and severe hydronephrosis. Therefore, exploratory laparotomy was proposed to identify the observed structure, with the periodontal treatment considered for a later time. So, a retroumbilical incision was made, followed by linea alba and the removal of simple isolated suture remaining from previous surgical procedure. In the cavity, the viscera were isolated and the left kidney was identified, observing preserved anatomy. On the other hand, the right kidney had altered topography and morphology, being exposed after release of adhesions in adjacent structures. The right renal artery and vein were dissected and a double ligature was made. Then, the right ureter was dissected, observing marked dilatation in the proximal portion and the presence of local ligation with Nylon 3.0. Right ureterectomy and right nephrectomy were performed. After nephrectomy, the capsule was ruptured, observing dark fluid in it and absence of tissue compatible with renal parenchyma. The material was preserved in 10% formaldehyde and sent for histopathological examination. Histopathology revealed risk of rupture of the renal capsule due to the advance of renal degeneration and complete absence of parenchyma. However, contrary to the severity of the histopathological, surgical and ultrasonographic findings, the patient did not present clinical signs at the time of diagnosis. Discussion: In the intraoperative evaluation, the cause of the hydronephrosis was verified to be in fact the ligation of the ureter, which may have been accidental or due to the malpractice of the veterinarian surgeon. Other possible causes such as adhesions and granulomas were ruled out because the Nylon 3.0 suture was found in the proximal portion of the right ureter. It is believed that the patient may have presented clinical signs of hydronephrosis that may have been confused by the tutors as postoperative complications, changes that if identified and performed in time, could have avoided the occurrence or worsening of hydronephrosis and subsequent nephrectomy. Clinically, the bitch did not show clinical signs presented in the literature as consistent with hydronephrosis such as polyuria, polydipsia, abdominalgia, external fistula and anorexia. Therefore, it is believed that this case is one of the first reports of the occurrence of severe hydronephrosis without typical clinical manifestations of hydronephrosis. This fact raises a warning about the thorough monitoring in the postoperative period by owners and veterinarians, in addition to highlighting concerns regarding the occurrence of medical malpractice versus surgical accidents.


Assuntos
Animais , Feminino , Cães , Obstrução Ureteral/veterinária , Erros Médicos/veterinária , Hidronefrose/cirurgia , Hidronefrose/veterinária , Rim/cirurgia , Ovariectomia/veterinária , Salpingectomia/veterinária , Histerectomia/veterinária , Imperícia , Nefrectomia/veterinária
2.
Acta Vet. Brasilica ; 14(4): 215-219, 2020. ilus
Artigo em Inglês | VETINDEX | ID: biblio-1453238

Resumo

Chronic kidney disease (CKD) is a disease characterized by the gradual and functional loss of renal mass, affecting its physiology leading to clinical manifestations. The CKD reaches dogs of several breeds causing important clinical alterations. Some laboratory tests are determinant for the correct diagnosis and thus for the implementation of the most appropriate treatment. The urinalysis, urinary protein-creatinine ratio (UPC) evaluation, urea, and creatinine dosage together with the symmetric dimethylarginine dosage (SDMA), urinary tract ultrasonography and blood pressure monitoring, are the main methods used for diagnosis. In this way, this work aimed to report a case of CKD in a Teckel dog attended at the Veterinary Hospital of the Federal University of Jataí (UFJ), discussing the main clinical manifestations, laboratory, and image alterations, as well as the correct staging according to IRIS (Interest Renal International Society), from which the best treatment option to be adopted is determined.


A doença renal crônica (DRC) é uma enfermidade caracterizada pela perda gradual e funcional da massa renal, afetando sua fisiologia levando àmanifestações clínicas. A DRC atinge cães de diversas raças causando alterações clínicas importantes. Alguns exames laboratoriais têm se mostrado determinantes para o diagnóstico correto e assim, para implementação do tratamento mais adequado. A urinálise, avaliação da relação proteína-creatinina urinária (UPC), dosagem de ureia e creatinina juntamente com a dosagem de dimetilarginina simétrica (SDMA), ultrassonografia do trato urinário e monitoração da pressão arterial, constituem os principais métodos utilizados para diagnóstico. Sendo assim, este trabalho teve como objetivo relatar um caso de DRC em um cão da raça Teckel atendido no Hospital Veterinário da Universidade Federal de Jataí (UFJ), discutindo as principais manifestações clínicas, alterações laboratoriais e de imagem, assim como o correto estadiamento de acordo com a IRIS (Interest Renal International Society), a partir do qual se determina a melhor opção de tratamento a ser adotada.


Assuntos
Animais , Cães , Creatinina/análogos & derivados , Cães/anormalidades , Cães/fisiologia , Insuficiência Renal Crônica
3.
Acta Vet. bras. ; 14(4): 215-219, 2020. ilus
Artigo em Inglês | VETINDEX | ID: vti-19167

Resumo

Chronic kidney disease (CKD) is a disease characterized by the gradual and functional loss of renal mass, affecting its physiology leading to clinical manifestations. The CKD reaches dogs of several breeds causing important clinical alterations. Some laboratory tests are determinant for the correct diagnosis and thus for the implementation of the most appropriate treatment. The urinalysis, urinary protein-creatinine ratio (UPC) evaluation, urea, and creatinine dosage together with the symmetric dimethylarginine dosage (SDMA), urinary tract ultrasonography and blood pressure monitoring, are the main methods used for diagnosis. In this way, this work aimed to report a case of CKD in a Teckel dog attended at the Veterinary Hospital of the Federal University of Jataí (UFJ), discussing the main clinical manifestations, laboratory, and image alterations, as well as the correct staging according to IRIS (Interest Renal International Society), from which the best treatment option to be adopted is determined.


A doença renal crônica (DRC) é uma enfermidade caracterizada pela perda gradual e funcional da massa renal, afetando sua fisiologia levando àmanifestações clínicas. A DRC atinge cães de diversas raças causando alterações clínicas importantes. Alguns exames laboratoriais têm se mostrado determinantes para o diagnóstico correto e assim, para implementação do tratamento mais adequado. A urinálise, avaliação da relação proteína-creatinina urinária (UPC), dosagem de ureia e creatinina juntamente com a dosagem de dimetilarginina simétrica (SDMA), ultrassonografia do trato urinário e monitoração da pressão arterial, constituem os principais métodos utilizados para diagnóstico. Sendo assim, este trabalho teve como objetivo relatar um caso de DRC em um cão da raça Teckel atendido no Hospital Veterinário da Universidade Federal de Jataí (UFJ), discutindo as principais manifestações clínicas, alterações laboratoriais e de imagem, assim como o correto estadiamento de acordo com a IRIS (Interest Renal International Society), a partir do qual se determina a melhor opção de tratamento a ser adotada.(AU)


Assuntos
Animais , Cães , Cães/anormalidades , Insuficiência Renal Crônica , Cães/fisiologia , Creatinina/análogos & derivados
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