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      Renal Allograft Arteriovenous Fistula due to Needle Biopsy with Late Onset of Symptoms – Diagnosis and Treatment

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          A post-biopsy arteriovenous (AV) fistula in a renal allograft was diagnosed using color-coded Doppler sonography. Because the patient was asymptomatic, no specific treatment was initiated. 15 months after the diagnosis was established, severe hematuria with obstruction of the bladder occurred. Angiography revealed a connection of the fistula to the renal pelvis. The patient was treated successfully by transarterial embolization of the fistula. As a conclusion, we suggest periodical follow-up examinations of asymptomatic AV fistulas in renal allografts using color-coded Doppler sonography during 3–6 months. When no spontaneous regression of the fistula can be observed, embolization therapy should be performed even when the fistula is asymptomatic, in order to prevent late onset of complications.

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          S. Karger AG
          11 December 2008
          : 59
          : 3
          : 482-485
          aDivision of Diagnostic Radiology, 2nd Department of Medicine, University of Vienna; bCentral Institute for Diagnostic Radiology, University of Vienna; c2nd Department of Medicine, University of Vienna, Austria
          186613 Nephron 1991;59:482–485
          © 1991 S. Karger AG, Basel

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          Pages: 4
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