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	Provedor de dados BJMBR (1) Palavra-chave Anesthesia (1) Conscious rats (1) Exercise (1) Iliac blood flow (1) Renal blood flow (1) Ultrasonic transit-time (1) Mais... Tipo do documento Info:eu-repo/semantics/other (1) Ano 1997 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Validation of transit-time flowmetry for chronic measurements of regional blood flow in resting and exercising rats BJMBR The objective of the present study was to validate the transit-time technique for long-term measurements of iliac and renal blood flow in rats. Flow measured with ultrasonic probes was confirmed ex vivo using excised arteries perfused at varying flow rates. An implanted 1-mm probe reproduced with accuracy different patterns of flow relative to pressure in freely moving rats and accurately quantitated the resting iliac flow value (on average 10.43 ± 0.99 ml/min or 2.78 ± 0.3 ml min-1 100 g body weight-1). The measurements were stable over an experimental period of one week but were affected by probe size (resting flows were underestimated by 57% with a 2-mm probe when compared with a 1-mm probe) and by anesthesia (in the same rats, iliac flow was reduced by... Tipo: Info:eu-repo/semantics/other Palavras-chave: Ultrasonic transit-time; Iliac blood flow; Renal blood flow; Exercise; Anesthesia; Conscious rats. Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000700013 Registros recuperados: 1 Primeira ... 1 ... Última

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