Yeungnam Univ J Med.  2018 Dec;35(2):179-186. 10.12701/yujm.2018.35.2.179.

Retrograde balloon dilation as a therapeutic option for post-gynecologic surgery ureteral stricture followed by ureteroureterostomy: a comparative study regarding stricture length

• Lim GW
• Yu YD
• Choi KH
• Rhee SR
• Park DS
• Hong YK

• KMID: 2433736
• DOI: http://doi.org/10.12701/yujm.2018.35.2.179

Abstract

BACKGROUND
To evaluate the success rate of balloon dilation and the factors possibly influencing the outcomes of balloon dilation for the ureteric strictured portion of ureteroureterostomy (UUS) site in patients with post-gynecologic surgeries.
METHODS
A single institution data base was screened for the patients who received balloon dilation for a treatment of ureteral stricture diagnosed after gynecologic surgery. Overall 114 patients underwent primary intra-operative UUS due to ureteral injury during gynecologic surgery. Among them, 102 patients received balloon dilation, and their medical records were retrospectively reviewed. Success of balloon dilation was defined as the condition that requires no further clinical interventions after 6 months from balloon dilation.
RESULTS
The ureter injury rate of women treated with open radical abdominal hysterectomy was highest (32 cases, 31.4%). 60 patients (60.8%) showed successful outcomes regarding dilation. All patients underwent technically successful dilation with a full expansion of balloon during the procedure, but 40 patients (39.2%) were clinically unsuccessful as they showed a recurrence of ureteral stricture on the previous balloon dilation site after the first dilation procedure. Univariate logistic regression analyses showed that stricture length >2 cm was a significant predictor of successful dilation (odds ratio, 0.751; 95% confidence interval, 0.634-0.901; p-value, 0.030), but it failed to achieve independent predictor status in multivariate analysis.
CONCLUSION
Balloon dilation can an effective alternative treatment option for strictured portion of the primary UUS in post-gynecologic surgery patients when its length is < 2 cm.

Keyword

Gynecologic surgery; Postoperative complications; Surgical management; Ureter

MeSH Terms

Constriction, Pathologic*
Female
Gynecologic Surgical Procedures
Humans
Hysterectomy
Logistic Models
Medical Records
Multivariate Analysis
Postoperative Complications
Recurrence
Retrospective Studies
Ureter*

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