The influence of aging on renal blood flow in human beings

We studied the relationship between age and renal blood flow parameters to determine the clinical significance of using Doppler color flow imaging (CFI) in their measurement. One hundred forty-four healthy subjects with no renal or circulatory diseases took part in this study. All subjects were plac...

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Bibliographic Details
Published in:Journal of medical ultrasonics (2001) 2003-12, Vol.30 (4), p.247-251
Main Authors: Tetsuka, Kiyoe, Hoshi, Tomoji, Sumiya, Eiji, Kitakoji, Hiroshi, Yada, Yasufumi, Hongo, Fumiya, Watanabe, Hiroki, Saitoh, Masahito
Format: Article
Language:English
Subjects:
Age
Arteriosclerosis
Blood flow
Flow velocity
Kidneys
Parameters
Prone position
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Summary:We studied the relationship between age and renal blood flow parameters to determine the clinical significance of using Doppler color flow imaging (CFI) in their measurement. One hundred forty-four healthy subjects with no renal or circulatory diseases took part in this study. All subjects were placed in the prone position and examined with CFI. The kidney was visualized in a longitudinal view, and blood flow in the interlobar arteries was studied. Peak systolic flow velocity (Vmax), end-diastolic flow velocity (Vmin), and resistive index (RI) were used as blood flow parameters. Age and Vmax were not significantly associated (p=0.03) in the interlobar artery. Vmin decreased significantly (p
ISSN:1346-4523
1613-2254
DOI:10.1007/bf02481288