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Ureteral segment replacement using an ovine fetal urachus duct (new xenogenic graft) in dogs

Ureteral segment replacement using an ovine fetal urachus duct (new xenogenic graft) in dogs The ureter is an important part of the urinary system that can be affected by several disorders such as congenital malformations, extensive iatrogenic ureteral obstruction, ureteritis, retroperitoneal fibrosis, trauma, necrosis, calculi, tumors, etc. We wished to determine whether ovine fetal urachus duct will be accepted when used as a ureteral replacement material in other species. The ureters of five adult native dogs were approached through a ventral midline laparotomy incision. A segment of 3-cm midureter was resected unilaterally. The left ureteral segments were replaced with ovine fetal urachus duct using 5-0 PDS interrupted sutures. Internal ureteral catheter was left for 6 weeks. The patency of the ureters was assessed by intravenous pyelography at 2 and 8 weeks after the surgery, while inflammation and regeneration were assessed grossly and histologically. All five urachus transplantations were accepted successfully in radiological, macroscopical, and histological evaluation. The ovine fetal urachus seems to be an embryonic tissue of extremely low antigenicity and therefore suitable for transplantation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Comparative Clinical Pathology Springer Journals

Ureteral segment replacement using an ovine fetal urachus duct (new xenogenic graft) in dogs

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References (30)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer-Verlag London Limited
Subject
Medicine & Public Health; Oncology ; Hematology; Pathology
eISSN
1618-565X
DOI
10.1007/s00580-008-0769-4
Publisher site
See Article on Publisher Site

Abstract

The ureter is an important part of the urinary system that can be affected by several disorders such as congenital malformations, extensive iatrogenic ureteral obstruction, ureteritis, retroperitoneal fibrosis, trauma, necrosis, calculi, tumors, etc. We wished to determine whether ovine fetal urachus duct will be accepted when used as a ureteral replacement material in other species. The ureters of five adult native dogs were approached through a ventral midline laparotomy incision. A segment of 3-cm midureter was resected unilaterally. The left ureteral segments were replaced with ovine fetal urachus duct using 5-0 PDS interrupted sutures. Internal ureteral catheter was left for 6 weeks. The patency of the ureters was assessed by intravenous pyelography at 2 and 8 weeks after the surgery, while inflammation and regeneration were assessed grossly and histologically. All five urachus transplantations were accepted successfully in radiological, macroscopical, and histological evaluation. The ovine fetal urachus seems to be an embryonic tissue of extremely low antigenicity and therefore suitable for transplantation.

Journal

Comparative Clinical PathologySpringer Journals

Published: Oct 18, 2008

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