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Giansetto et al: Preputial urethrostomy with preservation of the local anatomy in 4 dogs
Veterinary Surgery 8, 2022

🔍 Key Findings

  • Modified preputial urethrostomy without penile amputation was successfully performed in 4 male dogs with urethral stenosis or trauma.
  • The technique involved anastomosis of the pelvic urethra to the preputial mucosa via caudal celiotomy, avoiding perineal urethrostomy complications.
  • No cases of skin scalding or stoma stenosis were reported during short- and long-term follow-up.
  • Two dogs developed mild urinary incontinence, particularly when excited; one improved with phenylpropanolamine.
  • The approach preserved local anatomy, avoiding penile amputation, osteotomies, and preputial dissection.
  • Postoperative urinary catheterization was used to protect the anastomosis, although optimal duration remains debated.
  • Surgical access via the linea alba minimized tension at the anastomosis site and avoided complications from paramedian approaches.
  • This technique may serve as a viable alternative to prepubic urethrostomy, reducing urine-related skin complications and improving cosmetic outcome.

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← Articles

Giansetto et al: Preputial urethrostomy with preservation of the local anatomy in 4 dogs
Veterinary Surgery 8, 2022

🔍 Key Findings

  • Modified preputial urethrostomy without penile amputation was successfully performed in 4 male dogs with urethral stenosis or trauma.
  • The technique involved anastomosis of the pelvic urethra to the preputial mucosa via caudal celiotomy, avoiding perineal urethrostomy complications.
  • No cases of skin scalding or stoma stenosis were reported during short- and long-term follow-up.
  • Two dogs developed mild urinary incontinence, particularly when excited; one improved with phenylpropanolamine.
  • The approach preserved local anatomy, avoiding penile amputation, osteotomies, and preputial dissection.
  • Postoperative urinary catheterization was used to protect the anastomosis, although optimal duration remains debated.
  • Surgical access via the linea alba minimized tension at the anastomosis site and avoided complications from paramedian approaches.
  • This technique may serve as a viable alternative to prepubic urethrostomy, reducing urine-related skin complications and improving cosmetic outcome.

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Multiple Choice Questions on this study

In Giansetto 2022 et al., on preputial urethrostomy, why was the urethra passed through the linea alba during surgery?

A. To avoid pubic osteotomy
B. To reduce urine leakage
C. To minimize anastomotic tension
D. To facilitate penile amputation
E. To allow endoscopic guidance

Answer: To minimize anastomotic tension

Explanation: Passing the urethra through the linea alba reduced anastomotic tension compared to paramedian tunneling.
In Giansetto 2022 et al., on preputial urethrostomy, what role did postoperative urinary catheterization play?

A. Prevented urinary tract infection
B. Ensured full bladder drainage
C. Protected urethral anastomosis from urine during healing
D. Helped train the urinary sphincter
E. Facilitated endoscopic monitoring

Answer: Protected urethral anastomosis from urine during healing

Explanation: Urinary catheterization helped divert urine flow and protect the anastomosis during early healing.
In Giansetto 2022 et al., on preputial urethrostomy, what complication was observed in 2 out of 4 dogs following the procedure?

A. Perineal dermatitis
B. Urinary tract obstruction
C. Skin necrosis
D. Urinary incontinence
E. Postoperative hemorrhage

Answer: Urinary incontinence

Explanation: Urinary incontinence was noted in dogs 1 and 4, particularly during excitement, and was possibly due to urethral shortening.
In Giansetto 2022 et al., on preputial urethrostomy, which key benefit did the novel surgical technique provide over traditional prepubic urethrostomy?

A. Avoided need for urethral catheterization
B. Built-in support for stenting
C. Faster healing due to tension-free anastomosis
D. Eliminated urine dribbling and skin scalding
E. Facilitated use of endoscopic catheterization

Answer: Eliminated urine dribbling and skin scalding

Explanation: The internal anastomosis via the prepuce avoided contact with skin, reducing urine-induced complications.
In Giansetto 2022 et al., on preputial urethrostomy, what was the primary indication for performing the novel technique in all 4 dogs?

A. Urinary incontinence
B. Urethral rupture or stenosis
C. Prostate enlargement
D. Obstructive neoplasia
E. Perineal hernia

Answer: Urethral rupture or stenosis

Explanation: Each dog presented with a traumatic or acquired urethral lesion not manageable by standard techniques.

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