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Doppler sonographic renal resistance index in healthy children (CROSBI ID 157250)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Cvitković Kuzmić, A. ; Brkljačić, Boris ; Ivanković, Davor ; Galešić, Krešimir Doppler sonographic renal resistance index in healthy children // European radiology, 10 (2000), 1644-1648. doi: 10.1007/s003300000466

Podaci o odgovornosti

Cvitković Kuzmić, A. ; Brkljačić, Boris ; Ivanković, Davor ; Galešić, Krešimir

engleski

Doppler sonographic renal resistance index in healthy children

The objective of the study was to determine the values of Doppler resistance indices (RIs) in intrarenal arteries in healthy children. Color duplex Doppler sonography of intrarenal arteries was performed in 163 children and 58 adult patients, with the absence of clinical or laboratory pathologic changes of the urinary tract. All patients were classified following results of exploratory data analysis into three age groups: (a) 51 children between 2 and < 6 years of age ; (b) 112 children 6-16 years of age ; and (c) adults. The RIs were compared between different age groups. The mean RI +/- 1 SD values in group 1 were 0.705 +/- 0.018 (range 0.67-0.75), in group 2 0.605 +/- 0.029 (range 0.55-0.65), and in the adult group 0.604 +/- 0.035 (range 0.54-0.68). In the group of the youngest children (group 1), the RIs were significantly higher (p < 0.01) in comparison with the other group of children and the adult group. No statistically significant difference was observed between the group of children 6-16 years of age and the adult group. RI < 0.70 was noted in all children above 6 years of age ; however, in younger children, RI > or = 0.70 was observed in 72.5% (37 of 51) of children. Resistance index in early childhood was considerably higher as compared with older children and the adult population: Apparently the RI value drops to adult level at approximately 6 years of age. The utilization of a threshold RI value of 0.70 for the increased renal vascular resistance in adults can also be applied to children over 6 years of age.

doppler sonography; renal resistance index; children

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Podaci o izdanju

10

2000.

1644-1648

objavljeno

0938-7994

10.1007/s003300000466

Povezanost rada

nije evidentirano

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