Endovascular Treatment of Renal Artery StenosisClinical Indications(Procedures)AnatomyKidney anatomyEndovascular Treatment of Renal Artery StenosesAim of the treatment1) Renovascular Hypertension 2) Renal InsufficiencyRenovascular Hypertension 5% of all hypertensive patients Due to atherosclerosis or FMD Diagnosed after Surgical follow-up or PTRA. PTRA does not cure Essential Hypertension Renal Insufficiency Nephrosclerosis after RAS or occlusion PTRA is indicated to reverse or prevent the decli