207 resultados para bexiga urinária


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Pós-graduação em Biologia Geral e Aplicada - IBB

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Canine Pyometra is a uterine disease that occurs in sexually mature bitches, with higher incidence in nulliparous and animals over 4 years and is characterized by presenting an accumulation of pus in the uterine lumen, usually occurring in diestrus. Laboratory tests are important tools for the detection of metabolic abnormalities associated with sepsis and renal function, which are serious consequences of pyometra. In blood the main findings are normochromic non-regenerative anemia, presence of dehydration, and sometimes thrombocytopenia. The WBC count may be normal but most often occurs a neutrophilic leukocytosis with a left shift, monocytosis and the presence of toxic neutrophils. In less than 1 / 3 of the animals the presence of azotemia is present and a density lower than 1035 is detected in the urine of almost 90% of bitches which may be in normal range at the onset of the desease. Urinary protein loss is rare but the protein may be elevated in the reagent strip due to urinary contamination by uterine secretion. The increase of gamma-glutamyltransferase (GGT), alkaline phosphatase (ALP), aspartate aminotransferase (AST) and creatine kinase (CK) may be present, indicating disorders in the liver. Currently, additional laboratory tests are being studied for the diagnosis of pyometra and its prognosis, such as the measurement of C-reactive protein and fibrinogen for monitoring the recovery of the inflammatory process and the urine electrophoresis to characterize the origin of proteinuria in these animals . The aim of this work is to review the literature on the main laboratory tests that aid the diagnosis of Pyometra

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A hematúria é a eliminação de um número anormal de hemácias na urina e suas causas são múltiplas e nem sempre a investigação clínica é simples. A indicação para se estabelecer a diferenciação entre as causas das hematúrias, se glomerulares ou não glomerulares é feita através de solicitação específica do exame de dismorfismo eritrocitário. Esse exame é realizado em urina recém emitida, colhida em jato médio, por meio de microscopia de contraste de fase onde a morfologia das hemácias pode sugerir a origem da hematúria, direcionando o diagnóstico e conduta terapêutica pelo clínico. Neste projeto estudou-se a aplicação da caracterização das hemácias por microscopia de contraste de fase nos casos de hematúrias detectadas, sem a presença de leucocitúrias (sinais que sugerem infecção do trato urinário) nos achados de sedimentoscopia urinária realizados na rotina do setor de bioquímica clínica do CRD-Nac-UNESP, avaliando assim a importância da indicação da aplicação deste procedimento para a clínica

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Nosso organismo constantemente perde água e eletrólitos para o meio ambiente, principalmente pela excreção urinária.Porém, a osmolaridade e o volume de líquidos do organismo devem permanecer dentro de uma pequena faixa de variação para que nossas células funcionem perfeitamente e haja manutenção da pressão arterial. A regulação da osmolaridade e do volume dos líquidos corporais exige que a entrada de água e eletrólitos seja igual à perda pelo corpo e, para tanto, a regulação envolve a ação integrada dos rins e do comportamento de ingestão de água e sódio que é o principal íon extracelular. A ingestão de água e sódio é regulada por mecanismos centrais excitatórios e inibitórios. Os mecanismos excitatórios que desencadeiam a ingestão de água e sódio são ativados principalmente pelo peptídeo angiotensina II (ANG II), cuja produção apresenta-se aumentada em situações de hipovolemia e hipotensão. Por outro lado, destacam-se importantes mecanismos inibitórios da ingestão de água e sódio descobertos recentemente no núcleo parabraquial lateral (NPBL). O NPBL é uma estrutura pontina que recebe projeções aferentes da área postrema (AP) e da porção medial do núcleo do trato solitário (NTSm) e que faz conexões com áreas prosencefálicas envolvidas no controle do balanço hidroeletrolítico. Estudos prévios mostraram que injeções bilaterais do agonista opióide inespecífico β-endorfina no NPBL induziram ingestão de água e sódio em ratos saciados e aumentaram a ingestão de água e sódio induzida pelo tratamento com o diurético furosemida (FURO) combinado com baixas doses do bloqueador da enzima conversora de angiotensina captopril (CAP) injetados subcutaneamente (sc)... (Resumo completo, clicar acesso eletrônico abaixo)

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Malformations and possible damages to the urogenital system can be originated in the embryonic period. Moreover, fire guns, knives and accidents, where there is the disruption of the urethra, also cause these lesions. The objective was to analyze the contribution of tissue engineering in the construction of neo-urethra, developed by bioengineering. We performed an urothelial ex vivo expansion of cells in 3D scaffolds (platelet gel matrix and acellular porcine aorta) to assess the contribution of this technique in the construction of a neo-urethra. Mechanical dissociation was made of the inner wall of 10 North Folk rabbit’s bladder, weighing 2.5 to 3.0 kg. After dissociation the cell content was centrifuged and obtained a pellet of urothelial cells. The pellet was ressuspended in culture medium DMEM F12 and cells were maintained in culture for 15 days. Immunohistochemical analysis characterized the urothelial culture. The cells were then implanted in the scaffold - platelet gel. In a second experiment using aortic porcine acellular matrix were implanted urothelial cells alone and urothelial cells on platelet gel, on the inner wall of the scaffold - aorta, with space for setting bordered by a urethral probe. The complex probe - cells - aorta and probe - cells in platelet gel - aorta, were sealed with suture material and culture were maintained in a humidified 37ºC incubator with 5% CO2 in air for 12 days to subsequent histological analysis of urothelium cell adhesion to the scaffolds. By observation under an optical microscope, we could see the growth of cells in the scaffold platelet gel, from a monolayer in to a three-dimensional structure. In the acellular porcine aortic matrix containing the platelet gel, we could observe a few quantity of urothelial cells adhered. However with the acellular porcine aortic matrix in which was implanted only the urothelial cells, we have obtained adhesion to the wall

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Urolithiasis occurs with relatively frequency among the diseases that affect the urinary tract of dogs. It`s fundamental that samples of the uroliths are sent for analysis, because, in agreement with the mineral composition of the urolith and also its location, the choice is made between the surgical treatment or the clinical dissolution. Cystotomy is the surgical technique more accomplished in the bladder of small animals, due to its simplicity, when in comparison with other procedures for removal of calculi. With the aid of lithotripsy and endoscopy, the surgical interventions in the urinary treatment tend to be less and less invasive, minimizing the risks of subsequent complications. Chances of recurrence of the urolithiasis are usually larger in patients submitted to the surgical intervention. Besides, the time elapsed among regressive episodes is larger after the clinical dissolution

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Maternal smoking during pregnancy causes heart changes, impaired fetal growth, spontaneous abortion and low birth weight. Even in pregnant women exposed to cigarette smoke these changes can be observed. But the exercise is to answer the increased fetal weight, besides the improvement of cardiorespiratory fitness of the pregnant and the fetus. The objective of this study was to analyze the ventricular muscle of young rats subjected to passive smoking associated with aquatic exercise. For the experiments used 24 female rats were divided into: GC (control), GE (exercise protocol in the water), GF(exposed to cigarette smoke) and GEF (exercise protocol on water and exposed to cigarette smoke). On the same day was held the 1st session of the experimental phase of the protocol of exposure to cigarette smoke, which consisted of 30 minutes twice a day, six days a week for three weeks, followed by the first session of the swimming program... (Complete abstract click electronic access below)