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brum_am_me_jabo.pdf: 342441 bytes, checksum: 76ea043eafca848acccc425ff6c78e8f (MD5) / Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) / A dopamina e um composto endogeno amplamente utilizado em terapia intensiva. Possui um amplo espectro de acoes, tanto sobre o sistema cardiovascular como urinario. Aumento da taxa de filtracao glomerular, do fluxo sanguineo renal e excrecao fracionada de sodio e fosforo sao efeitos renais esperados em individuos normais, porem sao pouco explorados na medicina veterinaria. Com o proposito de testar a hipotese que a dopamina e capaz de aumentar a excrecao fracionada de fosforo em caes nefropatas, este estudo foi conduzido. Diferentes doses de dopamina foram administradas em caes nefropatas. Avaliacoes laboratoriais foram realizadas durante e apos os tratamentos. O clearance de creatinina e a excrecao fracionada de fosforo apresentaram aumento dose-dependente nos caes sadios. Em caes nefropatas, a dose de 1 Êg/kg/min aumentou discretamente a TFG, alem de aumentar o volume urinario e excrecao de fosfato, sem modificar a U-P/C e pressao arterial sistemica, enquanto a dose de 3 Êg/kg/min nao aumentou os beneficios e, ainda, promoveu aumento da excrecao urinaria de proteinas. / Dopamine is a endogenous compound largely used in critical care. It has a large spectrum of actions on cardiovascular and urinary systems. Increases in glomerular filtration rate, renal blood flow and frational excretion of sodium and phosphate are renal effects expected in healthy patient, but there are few reports in veterinary medicine. In order to test the hypothesis that dopamine can increase frational excretion of phosphate in nephropathy dogs this study was conducted. Different dopamine doses were administered in nephropathy dogs. Laboratory evaluations were done during and after treatments. Creatinin clearance and frational excretion of phosphate increases dose-dependent form in healthy dogs. In the nephropathy dogs, the dose of 1ìg/kg/min increased the glomerular filtration rate, urinary volume and phosphate excretion, without modified U-P/C and systemic arterial blood pressure, while the dose of 3ug/kg/min don t increased the benefits and promoted a increase in the urinary excretion of proteins.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.unesp.br:11449/89199 |
| Date | 23 February 2007 |
| Creators | Brum, Alexandre Martini de [UNESP] |
| Contributors | Universidade Estadual Paulista (UNESP), Carvalho, Marileda Bonafim [UNESP] |
| Publisher | Universidade Estadual Paulista (UNESP) |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | v, 46 f. : il. |
| Source | Aleph, reponame:Repositório Institucional da UNESP, instname:Universidade Estadual Paulista, instacron:UNESP |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | -1, -1 |
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