Peer-reviewed veterinary case report
Dog with hypospadias and urinary infections treated by urethra
By Pavletic, Michael M·Published in Journal of the American Veterinary Medical Association·2007·Department of Surgery, United States·View original on PubMed →
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Original publication title: Reconstruction of the urethra by use of an inverse tubed bipedicled flap in a dog with hypospadias.
- Species:
- dog
Plain-English summary
A 1-year-old male German Shepherd was brought in for blood in his urine and difficulty urinating due to recurring urinary tract infections. The vet found he had a condition called hypospadias, where the urethra opens in the wrong place, leading to infections from fecal contamination. To fix this, the vet created a new section of urethra using a special surgical technique. After the surgery, the dog had only two urinary infections over the next three years, and regular grooming helped keep the area clean.
People also search for: dog blood in urine · German Shepherd urinary tract infection treatment · hypospadias surgery in dogs
Abstract
CASE DESCRIPTION: A 1-year-old castrated male German Shepherd Dog was evaluated because of a history of hematuria and stranguria secondary to recurrent urinary tract infections. CLINICAL FINDINGS: Physical examination revealed hypospadias with penile and preputial aplasia. The urethral orifice was just ventral to the ventral aspect of the anocutaneous junction. Ascending urinary tract infections, secondary to fecal contamination of the urethral orifice, were the presumed source of recurrent bouts of cystitis that developed despite periodic antimicrobial treatment. TREATMENT AND OUTCOME: A 1-cm-diameter urethral extension was constructed from the urethral mucosal remnant located along the midline of the perineum (urethral trough). Two parallel 4-cm incisions (3 cm apart) were made lateral to that urethral trough. The borders were sutured to form an inverted, epithelium-lined tube (bipedicled flap) attached to the dorsal urethral orifice. The lateral skin margins were sutured over the reconstructed urethral extension, completing the procedure. Postoperative swelling necessitated temporary catheterization of the urinary bladder. After closure of a small fistula from the reconstructed urethral segment, the dog subsequently had only 2 episodes of cystitis during a 3-year period. To minimize skin irritation secondary to urine exposure, the dog's owner regularly trimmed the hair around the new urethral orifice. CLINICAL RELEVANCE: In dogs, correction of perineal (subanal) hypospadias via urethral reconstruction should be considered among treatment options. By use of an inverse tubed urethral extension, direct fecal contamination to the lower urinary tract may be effectively eliminated, dramatically reducing the incidence of ascending urinary tract infections in dogs with hypospadias.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/17605666/