Cover Journal of the American Veterinary Medical Association
Journal of the American Veterinary Medical Association
ISSN:
0003-1488
Publication Date:
01 Dec 2018

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A minimally invasive surgical technique for ureteral ostioplasty in two fillies with ureteral ectopia

Andrew R. E. JonesDepartment of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164.

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Claude A. RagleDepartment of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164.

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DOI:
https://doi.org/10.2460/javma.253.11.1467
Volume/Issue:
Volume 253: Issue 11
Online Publication Date:
01 Dec 2018
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Abstract

CASE DESCRIPTION 2 fillies, aged 3 months and 1 month, were examined because of urinary incontinence and urine scalding.

CLINICAL FINDINGS In horse 1, ultrasonography did not reveal any structural abnormalities of the kidneys; however, unilateral ureteral ectopia was diagnosed cystoscopically. In horse 2, CT revealed bilateral nephropathy, bilateral distended ureters (up to 3.6 cm in diameter), and bilateral ureteral ectopia. Cystoscopy revealed intramural ureteral ectopia with abnormally caudally positioned ureteral ostia in both horses.

TREATMENT AND OUTCOME Ureteral ostioplasty was performed under cystoscopic guidance. Laparoscopic scissors (horse 1) or a vessel-sealing device (horse 2) was introduced, and the tissue separating the intramural portion of the ureter from the urethra and bladder was cut longitudinally in a cranial direction toward the trigone. After surgery, both horses were continent and voided normal streams of urine for the duration of the follow-up periods of 20 and 9 months for horse 1 and horse 2, respectively.

CLINICAL RELEVANCE Cystoscopically guided ureteral ostioplasty provided an effective and minimally invasive surgical treatment option for correction of ureteral ectopia in 2 fillies.

Abstract

CASE DESCRIPTION 2 fillies, aged 3 months and 1 month, were examined because of urinary incontinence and urine scalding.

CLINICAL FINDINGS In horse 1, ultrasonography did not reveal any structural abnormalities of the kidneys; however, unilateral ureteral ectopia was diagnosed cystoscopically. In horse 2, CT revealed bilateral nephropathy, bilateral distended ureters (up to 3.6 cm in diameter), and bilateral ureteral ectopia. Cystoscopy revealed intramural ureteral ectopia with abnormally caudally positioned ureteral ostia in both horses.

TREATMENT AND OUTCOME Ureteral ostioplasty was performed under cystoscopic guidance. Laparoscopic scissors (horse 1) or a vessel-sealing device (horse 2) was introduced, and the tissue separating the intramural portion of the ureter from the urethra and bladder was cut longitudinally in a cranial direction toward the trigone. After surgery, both horses were continent and voided normal streams of urine for the duration of the follow-up periods of 20 and 9 months for horse 1 and horse 2, respectively.

CLINICAL RELEVANCE Cystoscopically guided ureteral ostioplasty provided an effective and minimally invasive surgical treatment option for correction of ureteral ectopia in 2 fillies.

Contributor Notes

Dr. Jones' present address is San Luis Rey Equine Hospital, 4211 Holly Ln, Bonsall, CA 92003.

Address correspondence to Dr. Ragle (ragle@wsu.edu).