Successful revascularisation of a thrombosed renal artery aneurysm in a young man with solitary kidney and history of severe hypertension.

Case report of a 18-year-old patient with long lasting hypertension, who developed acute renal failure, in course of an antihypertensive therapy modification, backgrounded by undiagnosed aneurysm of the solitary kidney renal artery. The acute renal function decrease was caused by single dose of ACE inhibitor causing an equivalent drop in serum ACE activity. Aneurysm excision followed by implantation of a venous bypass normalized restored renal function and blood pressure for over 24 months of observation.