J Korean Soc Transplant.  2012 Dec;26(4):287-292. 10.4285/jkstn.2012.26.4.287.

Acute Renal Failure in a Renal Allograft Recipient Caused by a Post-Biopsy Renal Arteriovenous Fistula with Transplant Renal Artery Stenosis

Affiliations
  • 1Department of Internal Medicine, Bong Seng Memorial Hospital, Busan, Korea. kidney119@hotmail.com
  • 2Department of Internal Medicine, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea.
  • 3Department of Radiology, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea.

Abstract

Renal biopsy is an essential diagnostic tool for detecting acute and chronic kidney rejection as well as recurrent and de novo nephropathies in renal allograft recipients. However, a well-known complication of percutaneous renal biopsy is arteriovenous fistula (AVF). Most post-biopsy AVFs are asymptomatic and regress spontaneously but some AVFs result in hypertension, hematuria, and renal insufficiency. Whether post-biopsy AVF superimposed on transplant renal artery stenosis (TRAS) also regresses spontaneously is unknown. We present a case of acute renal insufficiency in a 51-year-old female renal allograft recipient with post-biopsy AVF and TRAS. Percutaneous angioplasty with stent implantation was performed for the TRAS and transcatheter arterial coil embolization therapy applied for AVF. The patient's renal function returned to baseline levels and is currently being followed up for 6 months.

Keyword

Renal biopsy of the transplanted kidney; Arteriovenous fistula; Transplant renal artery stenosis; Acute renal failure
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