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  • Title: Renal allograft arteriovenous fistula due to needle biopsy with late onset of symptoms--diagnosis and treatment.
    Author: Hübsch P, Schurawitzki H, Traindl O, Karnel F.
    Journal: Nephron; 1991; 59(3):482-5. PubMed ID: 1758542.
    Abstract:
    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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