title: [Bilateral uretero-common iliac arterial fistula with long term uretelal stent: a case report].
abstract: A 37-year-old man underwent Miles' operation and adjuvant irradiation therapy for rectum cancer in 1999. The patient suffered from bilateral ureteral stricture after the previous therapies. Bilateral double-J ureteral stents were inserted and exchanged at regular intervals. Four years after the start of ureteral stenting, he complicated with gross hematuria and dysuria. When the right double-J stent was exchanged, massive bleeding from external opening of urethra was observed. Retrograde pyelography showed right uretero-iliac arterial fistula. Since endovascular treatment with covered stents had failed, we performed right common iliac artery embolization and femoral-femoral artery bypass. Two days after the operation, gross hematuria developed again. When the left ureteral stent was exchanged, active bleeding from the external meatus of urethra was revealed. Angiography showed extravasation from left common iliac artery. We diagnosed left uretero-iliac arterial fistula. Although we tried endovascular treatment with covered stent that was made of artificial vessel graft and metallic stent, thromboembolism was occurred in the covered stent. Finally, right axillo-femoral artery bypass was indicated. The last treatment achieved long-term good control of uretero-arterial fistula. The present case shows that uretero-arterial fistula is a serious complication of long-term ureteral stenting, especially in the case of post pelvic surgery and irradiation.
authors.affiliation: Department of Urology, Tsukuba Medical Center Hospital.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Ando
authors.forename: Kazunori
authors.initials: K
authors.lastname: Hattori
authors.forename: Tsuyoshi
authors.initials: T
authors.lastname: Endo
authors.forename: Hiromu
authors.initials: H
authors.lastname: Inai
authors.forename: Kiyoshi
authors.initials: K
authors.lastname: Matsueda
authors.forename: Tomohiro
authors.initials: T
authors.lastname: Imazuru
authors.forename: Yuzuru
authors.initials: Y
authors.lastname: Sakakibara
authors.forename: Koji
authors.initials: K
authors.lastname: Kawai
authors.forename: Toru
authors.initials: T
authors.lastname: Shimazui
authors.forename: Hideyuki
authors.initials: H
authors.lastname: Akaza
mesh_terms: D000328:Adult; D013505:Digestive System Surgical Procedures / Q000009:adverse effects; D006801:Humans; D007083:Iliac Artery; D008297:Male; D011878:Radiotherapy / Q000009:adverse effects; D012004:Rectal Neoplasms / Q000628:therapy; D015607:Stents / Q000009:adverse effects*; D013997:Time Factors; D014513:Ureter; D014515:Ureteral Diseases / Q000209:etiology* / Q000628:therapy; D014517:Ureteral Obstruction / Q000209:etiology; D014548:Urinary Fistula / Q000209:etiology* / Q000628:therapy; D016157:Vascular Fistula / Q000209:etiology* / Q000628:therapy