The use of balloon cardiac catheters for vesicoureteral segment obstruction in pediatric urology
Aim. To establish the possibility of using balloon
catheters intended to cardio-thoracic surgery for the treatment of
vesicoureteral junction obstruction with high-pressure balloon dilatation
(HPBD) in children.
Material and methods. Between 2019 and 2021 a total of 51 children with
primary obstructive megaureter underwent HPBD. 27 boys and 24 girls were
included in the study. The mean age by the time of surgery in both groups was
19 months. The follow-up period for all patients was 1 year. According to data
analysis patients were divided in two groups by age: from 1 month to 1 year and
from 1 year to 4 years.
Results. In our study we found the following treatment
effectiveness criteria: the length of the stenotic area of the ureter, the
diameter of the stenosis and area of stenosis. The area of stenosis was
determined during the HPBD procedure based on targeted retrograde pyelography.
The overall effectiveness of primary obstructive megaureter treatment using HPBD
was 84%. This technique has shown a 93% efficiency rate in the first age group
(from 1 month to 1 year) and 75% – in the second (from 1 year to 4 years). We
found that all positive results were obtained when the length of the stenotic
area was lower than 1.8 mm, diameter of the stenosis was more than 0.6 mm, and
the stenosis area was less than 96.6%. HPBD failed in cases of 99% area of
stenosis and more.
Conclusion. The use of balloon catheters is applicable as a
transluminal method for the treatment of obstructive megaureter in children of
a younger age group. This technique is more effective combined with
high-frequency targeted pyelography for assessment of stenosis characteristics.
It allows to determine both indications for HPBD use and increases its effectiveness.
Keywords:Balloon catheter; ureter obstruction; balloon dilatation; megaureter
Funding. The study had no sponsor support.
Conflict of interest. The authors declare no conflict of interest.
For citation: Zorkin S.N., Galuzinskaya A.T., Petrov E.I., Filinov
I.V. The use of balloon cardiac catheters for vesicoureteral segment
obstruction in pediatric urology. Clinical and Experimental Surgery. Petrovsky
Journal. 2022; 10 (3): 108–13. DOI: https://doi.org/10.33029/2308-1198-2022-10-3-108-113
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