Table 2 Mean values of Doppler indexes obtained with non-enhanced or enhanced with PESDA ultrassonography in the ostium of renal arteries

Arteries without stenosis n = 37

Arteries with stenosis n = 23

Arteries without stenosis n = 37

Arteries with stenosis n = 23

Stenosis vs no stenosis

Enhanced vs no enhanced

PSV (cm/s)

1,49 ± 0,76

2,26 ± 1,15

1,49 ± 0,65

2,01 ± 1,27

0,001

0,975

PDV (cm/s)

0,31 ± 0,25

0,42 ± 0,34

0,32 ± 0,19

0,37 ± 0,38

0,229

0,596

RRA

1,43 ± 0,67

2,36 ± 1,34

1,19 ± 0,54

2,19 ± 1,45

<0,001

0,145

RI

0,77 ± 0,20

0,84 ± 0,12

0,79 ± 0,11

0,76 ± 0,27

0,601

0,291

PI

1,83 ± 0,90

2,23 ± 0,97

1,97 ± 0,77

1,97 ± 0,99

0,332

0,588