The investigators conducted a bicentric prospective study to quantify the hemodynamic disturbances to the ostia of the renal arteries generated by the implantation EVAR with suprarenal fixation immediately postoperatively.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
70
Patient will be enrolled when the decision of an endovascular procedure with supra renal fixation is required. Before the intervention, Duplex scan will be necessary to evaluate renal arteries ostia. This exam will be realised in the month after the intervention and one year later.
Centre Hosptalier Universitaire
Besançon, France
RECRUITINGCentre Hospitalier Universitaire
Dijon, France
NOT_YET_RECRUITINGsystolic maximum speed at the ostia of the renal arteries
Quantify the hemodynamic disturbances to the ostia of the renal arteries generated by the implantation of a suprarenal fixation aortic stent immediately postoperatively.
Time frame: one month
systolic maximum speed at the ostia of the renal arteries
Quantify the hemodynamic disturbances to the ostia of the renal arteries generated by the implantation of a suprarenal fixation aortic stent immediately postoperatively.
Time frame: one year
proportion of patients with renal artery stenosis
Time frame: one year
proportion of disappearance of the "notch" (pre-systolic notch)
Time frame: one year
proportion of increase in systolic rise time
Time frame: one year
proportion of decrease of the resistance index
Time frame: one year
proportion of post-stenotic turbulence
Time frame: one year
glomerular filtration rate
estimation of the glomerular filtration rate calculated by CKD-EPI between the preoperative and at one year
Time frame: one year
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