Static hydraulic urethral sphincter for treatment of urethral sphincter mechanism incompetence in 11 dogs

Delisser, Peter J; Friend, Ed; Parsons, Kevin

doi:10.1111/j.1748-5827.2012.01228.x

Cited by 24 publications

(49 citation statements)

References 15 publications

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“…This finding supports clinical observations that some USMI cases treated with AUSs will require greater cuff inflation volumes than others to reach continence, with some cases becoming continent following AUS placement without any additional inflation, while others necessitate repeated deflations or removal (Delisser et al . , Reeves et al . , Gomes et al .…”

Section: Discussionmentioning

confidence: 99%

Canine urethral sphincter pressure profile under incremental inflation of an artificial cuff: a cadaver study

Milodowski

Friend

Granger

et al. 2018

J of Small Animal Practice

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Objectives To determine whether artificial urethral sphincter filling volume is proportional to peak pressure exerted on the urethra. Materials and Methods Urethral pressure profilometry was performed in five female, medium‐sized, mixed‐breed canine cadavers following artificial urethral sphincter placement. Maximum urethral pressure was recorded following sequential incremental inflation of 0.15 mL and compared to baseline pressure and between dogs using two‐way analysis of variance. Results Artificial urethral sphincter placement in cadavers was associated with an increase in urethral pressure, which was significantly correlated with inflation volume. The correlation was non‐linear and demonstrated considerable individual variation. Maximum urethral pressures after artificial urethral sphincter placement exceeded those reported in conscious continent dogs within a narrow volume range, in which a 0.15 mL infusion more than doubled maximal urethral pressures. Clinical Significance Rapid increases in urethral pressure from the artificial urethral sphincter over a small range of filling volumes (0.15 mL increments) might explain why some clinical cases can become suddenly dysuric following incremental inflations. We suggest that smaller increments of filling (0.05 to 0.1 mL) may achieve finer pressure control.

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Section: Discussionmentioning

confidence: 99%

Canine urethral sphincter pressure profile under incremental inflation of an artificial cuff: a cadaver study

Milodowski

Friend

Granger

et al. 2018

J of Small Animal Practice

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“…Furthermore, the option exists to, postoperatively or at any time in the future, treat persistent incontinence or recurrence of incontinence by increasing the pressure around the urethra by inflating the occluder percutaneously (Reeves and others 2009, Delisser and others 2012). …”

Section: Discussionmentioning

confidence: 99%

“…AUSs have been used successfully in female and male dogs to treat refractory incontinence (Delisser and others 2012, Currao and others 2013, Reeves and others 2013, Bowlt and others 2015). This case report demonstrates the successful use of an AUS in a cat that had profound incontinence presumed due to USMI associated with genitourinary dysplasia.…”

Section: Discussionmentioning

confidence: 99%

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Resolution of incontinence using an artificial urethral sphincter in feline genitourinary dysplasia

Roundell¹,

Friend

2015

Vet Record Case Reports

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Limited information exists about surgical techniques to treat incontinence in cats. In this case, a four-month-old female entire domestic shorthair cat was presented with a history of severe urinary incontinence. Contrast studies supported a diagnosis of genitourinary and urethral dysplasia with urethral sphincter mechanism incompetence (USMI). The incontinence was unresponsive to medical treatment. At 10 months old, an artificial urethral sphincter (AUS) was surgically placed, restoring urinary continence completely. This case report demonstrates that an AUS—a technique previously described only for treatment in dogs with refractory incontinence—may be suitable for the management of refractory USMI in cats with congenital urinary incontinence. Also, in cases of persistent or recurrent incontinence, and at any time subsequent to the surgery, an increase in pressure around the urethra can be achieved, non-invasively, by inflating the AUS's percutaneous occluder.

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“…The initial pilot study performed on four dogs (Rose and others 2009) reported complete continence in three of the four dogs and improved continence in the fourth case, but subsequent studies have had mixed results (complete continence ranging from 36.4 per cent to 67 per cent) and still involve only relatively small case numbers (Delisser and others 2012, Reeves and others 2013). …”

mentioning

confidence: 99%

Urinary incontinence in dogs

Owen

2016

Veterinary Record

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Static hydraulic urethral sphincter for treatment of urethral sphincter mechanism incompetence in 11 dogs

Cited by 24 publications

References 15 publications

Canine urethral sphincter pressure profile under incremental inflation of an artificial cuff: a cadaver study

Canine urethral sphincter pressure profile under incremental inflation of an artificial cuff: a cadaver study

Resolution of incontinence using an artificial urethral sphincter in feline genitourinary dysplasia

Urinary incontinence in dogs

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