Abstract
Purpose:
We evaluated the long-term outcome of retrograde endopyelotomy with the Acucise cutting balloon as a first-line treatment of ureteropelvic junction obstruction (UPJO) in 36 patients (median age 44 years).
Patients:
Twenty-three patients had a primary UPJO. The median follow-up in the series was 24 (6–42) months.
Results:
Success, defined as a subjective and objective improvement, was obtained in 27 (75%). In multivariate analysis, only the presence of a crossing vessel (45% ν 81%) was a significant covariate for success. The success rates for primary and secondary UPJO were 74% and 77% respectively. The grade of obstruction had no impact on results. The median time to the nine failures was 3 months, and no failure occurred more than 6 months after the endopyelotomy. In 75% of the failures with no crossing vessel, redo retrograde Acucise endopyelotomy was successful.
Conclusion:
Retrograde Acucise endopyelotomy is an efficient long-term treatment of UPJO with low morbidity. This technique is a reasonable choice for first-line treatment of UPJO.
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