Skip to main content

Table 2 Clinical and ultrasonographic parameters of the study population at baseline according to renal function outcome

From: Predictive role of renal resistive index for clinical outcome after revascularization in hypertensive patients with atherosclerotic renal artery stenosis: a monocentric observational study

  Benefit (n = 138) Failure (n = 20)
Clinical parameters   
Age (years) 60.3 ± 10.3† 67.8 ± 10.1
Male sex (%) 63.5† 88.9
BMI (Kg/m 2 ) 25.2 ± 3.6† 27.5 ± 4.1
Current smoking (%) 32.2 18.8
Previous cardiovascular events (%) 28.7 37.5
Hypercholesterolemia (%) 74.8 68.4
Diabetes (%) 14.4 18.8
Hypertension duration (years) 9.1 ± 8.5 6.1 ± 4.9
Systolic blood pressure (mmHg) 161.7 ± 21.2† 172.2 ± 21.0
Diastolic blood pressure (mmHg) 91.5 ± 13.9 88.2 ± 13.8
Pulse pressure (mm Hg) 70.5 ± 16.5† 84.0 ± 14.9
Number of antihypertensive drugs 2.1 ± 1.0 2.1 ± 1.0
RAS-blockers therapy 72.2 100.0
Antithrombotic therapy (%) 60.4 58.3
Cholesterol-lowering therapy (%) 35.2 31.6
Serum creatinine (mg/dl) 1.24 ± 0.42† 2.06 ± 1.19
Creatinine clearance (ml/min) 68.2 ± 25.6† 50.2 ± 39.2
Estimated GFR (ml/min/1.73 m 2 ) 63.3 ± 18.9† 45.3 ± 24.1
Albuminuria (mg/24 h) 90.8 ± 282.8 295.3 ± 464.5
Ultrasonographic parameters Stenotic kidney Contralateral kidney Stenotic kidney Contralateral kidney
Resistive index 0.61 ± 0.11*† 0.66 ± 0.09† 0.72 ± 0.11* 0.76 ± 0.08
Pulsatility index 1.04 ± 0.31*† 1.19 ± 0.29† 1.36 ± 0.37* 1.45 ± 0.34
Renal longitudinal diameter 10.7 ± 1.3 10.8 ± 1.6 10.4 ± 1.3 10.2 ± 1.7
Renal to aortic ratio 4.3 ± 1.0* 1.9 ± 1.1 3.8 ± 0.8* 1.4 ± 0.9
  1. *p < 0.05 vs contralateral kidney, †p < 0.05 vs failure group.