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Importance of the renal resistive index in children suffering from vesicoureteral reflux.

Abstract：

OBJECTIVE:in our study, we wanted to assess changes and values of the renal resistive index (RI) in children with vesicoureteral reflux (VUR) using color Doppler ultrasound (CDUS) techniques. METHODS:We investigated 92 kidney units in 46 children (mean age 6 +/- 4 years) with VUR by means of CDUS. The RI was measured at the level of the interlobar and/or arcuate arteries using a color Doppler unit Acuson 128 XP/10. The CDUS findings were correlated with those obtained using standard renal scintigraphy. RESULTS:Children with VUR grades I-III showed a RI of 0.6 +/- 0.07, whereas patients suffering from VUR grades IV and V demonstrated a significantly increased RI of 0.77 +/- 0.07 (p < 0.0001). The correlation of the CDUS measurements with the scintigraphic findings revealed a positive correlation coefficient of r2 = 0.61. CONCLUSIONS:CDUS seems to be a helpful, radiation-free, noninvasive, and inexpensive tool in children with VUR, demonstrating a significant change in the RI especially in high-grade reflux. Moreover, the RI findings represent a good correlation with standard renal scintigraphy. Therefore, CDUS with assessment of the RI allows a perfect follow-up study of affected children.

journal_name

Eur Urol

journal_title

European urology

authors

Radmayr C,Klauser A,Maneschg C,Bartsch G,Frauscher F

doi

10.1159/000019931

keywords:

subject

Has Abstract

pub_date

1999-01-01 00:00:00

pages

75-9

issue

1

eissn

0302-2838

issn

1873-7560

pii

19931

journal_volume

36

pub_type

临床试验,杂志文章

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