Gastric neobladder: an experimental study in dog

Document Type : Original Article

Authors

1 Department of Surgery, Anaethesiology and Radiology, Faculty of Veterinary Medicine Beni-Suef University

2 Department of Clinical Pathology, Faculty of Veterinary Medicine Beni-Suef University

Abstract

The urinary bladder of 15 clinically normal dogs was excised and the ureters were
implanted into an isolated, vagotomized gastric segment derived from the fundic region of the stomach. The gastric segment was closed to form a neobladder. Continence was maintained with a "nipple valve" created at the tubularized end of isolated segment of stomach. Clinical, radiological, ultrasonographical, urine and blood analysis and histopathological examination were carried out for assessment of the technique. Eleven cases showed an apparently normal bladder function. Two cases suffered from renal hydronephrosis and other two suffered from incontinence. It was concluded that gastric neobladder urinary diversion is satisfactory for clinical use in dogs.

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