Renal perfusion improvement in the perioperative period after unilateral endovascular revascularization in patients with atherosclerotic renal artery stenosis

Background The clinical benefits of endovascular treatment in renal artery stenosis (RAS) remain controversial. This study used an intraoperative perfusion imaging technique, called flat-panel detector parenchymal blood volume (FD-PBV), to observe the change after RAS. Materials and methods In a prospective, single-center study, we assigned 30 patients with atherosclerotic RAS who underwent between March 2016 2021. preoperative postoperative results perfusion, pressure, function, were compared. Results Both median kidney ( p < 0.001) mean density contrast medium (MDCM) = 0.028) increased significantly treatment. ratio MDCM differed greatly among patients. For <304.0 HU (Subgroup A, 15 cases), 12 (80.0%) had more than 10% increase perfusion. relatively high (MDCM ≥304.0 HU, Subgroup B, similar 0.776). On other hand, serum creatinine levels decreased A 0.033) fewer antihypertensive drugs revascularization 0.041). number B. Conclusions During perioperative period, low greater improvement pressure control function needs be confirmed by long-term follow-up.