Preliminary experience with stenting for management of non-urolith urethral obstruction in eight cats
Abstract
OBJECTIVE: To (1) describe minimally invasive transurethral antegrade and retrograde techniques for the placement of self-expanding metallic stents (SEMS) to reestablish urethral patency in cats with non-urolith urethral obstructions and (2) to report the procedural complications, incontinence rates, and long-term effectiveness in maintaining a patent urethra.
STUDY DESIGN: Case series.
ANIMALS: Cats (n = 8).
METHODS: Signalment, history, clinical signs, physical examination, severity of stranguria and incontinence, clinicopathologic data, diagnostic procedures performed, diagnosis, interventional technique, type and dimensions of stent placed, complications and final outcome of 8 cats treated with SEMS for the management of urethral strictures or masses are presented. Each cat was followed for ≥12 months. Follow-up information was obtained from the medical record or by telephone interview of the owner and/or referring veterinarian.
RESULTS: Four cats were continent after stent placement, 2 were moderately incontinent, and 2 were severely incontinent. Long-term follow-up (median, 462 days) was available. At follow-up, 5 cats were alive and 3 had been euthanatized at 88, 233, and 305 days. Long-term outcome, as assessed by the authors, was good (1) to excellent (3) in 4 cats, and fair (2) to poor (2) in 4 cats. Owner reported outcomes were excellent in 3/8, good to excellent in 1/8, good in 2/8, and poor in 2/8.
CONCLUSION: Palliative stenting of urethral obstructions is a…
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