Resolution of proteinuria after transarterial embolization of aberrant renal artery in a patient with focal segmental glomerulosclerosis

CEN Case Reports
Koji HaradaYasuhiro Akai

Abstract

A 24-year-old man was admitted to our hospital for persistent proteinuria. He was born with a low birth weight but had grown up uneventful until the age of 20 when he was found to have proteinuria. Because his body mass index was 30.9 kg/m(2) at that time, he was diagnosed as obesity-related nephropathy. However, weight reduction and administration of ACE inhibitor were minimally effective for the amelioration of proteinuria. Ultrasound-guided percutaneous renal biopsy at the lower pole of right kidney was performed. As serious bleeding occurred from the right aberrant renal artery soon after biopsy, he was treated with transarterial embolization (TAE). The day after TAE, proteinuria completely disappeared. Renal biopsy showed benign nephrosclerosis with secondary focal segmental glomerulosclerosis (FSGS). Proteinuria could be induced by increased blood flow and pressure due to abnormal blood supply from aberrant renal artery. This is the first report of resolution of proteinuria after TAE of aberrant renal artery in a patient with FSGS.

References

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