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Dekerle et al: Outcomes of 25 female dogs treated for ectopic ureters by open surgery or cystoscopic-guided laser ablation
Veterinary Surgery 4, 2022

🔍 Key Findings

  • Cystoscopic-guided laser ablation (CLA) was associated with significantly fewer minor complications (13%) than neoureterostomy (100%) (P < .01)
  • CLA resulted in significantly fewer recurrences of incontinence compared to neoureterostomy (0/7 vs 5/12; P < .05)
  • 80% of dogs achieved continence within 1 month postoperatively, with a median continence score of 10
  • Long-term continence was achieved in 88% of dogs, with or without adjunctive treatment, over a median of 66 months
  • Major complications occurred in only 8% of dogs, and all were successfully managed with surgical revision
  • Persistent ureteral remnants were seen only in neoureterostomy dogs, potentially contributing to incontinence recurrence
  • All dogs with incontinence recurrence responded to medical treatment, while only 1/5 with persistent incontinence after surgery did
  • CLA is recommended over open surgery for iEU correction, due to lower complication and recurrence rates

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← Articles

Dekerle et al: Outcomes of 25 female dogs treated for ectopic ureters by open surgery or cystoscopic-guided laser ablation
Veterinary Surgery 4, 2022

🔍 Key Findings

  • Cystoscopic-guided laser ablation (CLA) was associated with significantly fewer minor complications (13%) than neoureterostomy (100%) (P < .01)
  • CLA resulted in significantly fewer recurrences of incontinence compared to neoureterostomy (0/7 vs 5/12; P < .05)
  • 80% of dogs achieved continence within 1 month postoperatively, with a median continence score of 10
  • Long-term continence was achieved in 88% of dogs, with or without adjunctive treatment, over a median of 66 months
  • Major complications occurred in only 8% of dogs, and all were successfully managed with surgical revision
  • Persistent ureteral remnants were seen only in neoureterostomy dogs, potentially contributing to incontinence recurrence
  • All dogs with incontinence recurrence responded to medical treatment, while only 1/5 with persistent incontinence after surgery did
  • CLA is recommended over open surgery for iEU correction, due to lower complication and recurrence rates

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Multiple Choice Questions on this study

In Dekerle 2022 et al., on ectopic ureter correction, **what factor was significantly associated with recurrence of incontinence** after neoureterostomy?

A. Presence of preoperative UTI
B. Spaying status
C. Intramural ectopic ureter
D. Ureteral remnant distal to ligation
E. Incomplete ligation of the ureter

Answer: Ureteral remnant distal to ligation

Explanation: All recurrence cases after neoureterostomy had persistent ureteral remnants.
In Dekerle 2022 et al., on ectopic ureter correction, what **was the 1-month postoperative continence rate** in the studied female dogs?

A. 60%
B. 72%
C. 80%
D. 88%
E. 100%

Answer: 80%

Explanation: 80% of dogs were continent at 1 month postoperatively without medical therapy.
In Dekerle 2022 et al., on ectopic ureter correction, how did **CLA compare to neoureterostomy** in terms of recurrence of incontinence?

A. CLA had higher recurrence
B. CLA and neoureterostomy had equal recurrence
C. Neoureterostomy had lower recurrence
D. Only CLA showed recurrence
E. CLA had zero recurrence, while neoureterostomy had significantly more

Answer: CLA had zero recurrence, while neoureterostomy had significantly more

Explanation: Recurrence occurred in 5/12 neoureterostomy cases, but none in CLA-treated dogs (P < .05).
In Dekerle 2022 et al., on ectopic ureter correction, what was the **median duration of continence** after surgery in dogs that became continent?

A. 18 months
B. 36 months
C. 42 months
D. 66 months
E. 84 months

Answer: 66 months

Explanation: The median duration of continence postoperatively was 66 months.
In Dekerle 2022 et al., on ectopic ureter correction, which surgical technique was associated with the **lowest rate of minor complications**?

A. Neocystoureterostomy
B. Neoureterostomy
C. Cystoscopic-guided laser ablation (CLA)
D. Combination of neoureterostomy and ureteronephrectomy
E. Open ureteral resection with stent placement

Answer: Cystoscopic-guided laser ablation (CLA)

Explanation: CLA had a 13% minor complication rate compared to 100% with neoureterostomy.

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