Balloon dilation treatment of primary obstructive megaureter in children
- Authors: Lebedev D.A.1, Osipov I.B.1, Komissarov M.I.1, Sarychev S.A.1, Alekseeva L.A.1, Lifanova M.V.1, Nesterova N.V.1
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Affiliations:
- Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
- Issue: No 1 (2023)
- Pages: 76-82
- Section: Pediatric urology
- URL: https://journals.eco-vector.com/1728-2985/article/view/325801
- DOI: https://doi.org/10.18565/urology.2023.1.76-82
- ID: 325801
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Abstract
Purpose: Investigation of the results of ureteral stricture single balloon dilation in children with primary obstructive megaureter.
Materials and methods. Since 2012 to 2020 79 children (65 boys and 15 girls) with primary obstructive megaureter of II and III grades who had 92 affected ureters were operated on by method of ureteral stricture balloon dilation. Duration of postoperative stenting period was Me=68 [48; 91] days, bladder catheterization period – Me=15 [5; 61] days. Follow-up was from 1 to 10 years.
Results. There were no intraoperative complications in the group of investigation. Pyelonephritis exacerbation in the early postoperative period occurred in 15 cases (18,98%). Control comprehensive examination revealed that urodynamics of 63 children (79,74%) tended to normalization what persisted in the future. There was no positive dynamics in 16 cases (20,25%). Vesico-ureteral reflux was revealed in 4 cases.
Discussion. Assessment of impact of various predictors (passport, urodynamic, infectious, anatomic, operation and postoperative period characteristics) on the treatment results proved that the effectiveness of the procedure depends on the following factors: ureteral stricture length (M-U Test U=202,5 p=0,0002) and
features of the stricture rapture during ballooning (Fisher exact p=0,0006). There was significant difference in results in the group of up to 10 mm inclusive stricture length and the longer stricture group (Fisher exact p=0,00001). High activity of pyelonephritis in postoperative period was the predictor of adverse outcome (Fisher exact p=0,00001).
Conclusion. Practically 80% of children with primary obstructive megaureter may be reliably cured by the method of ureteral stricture balloon dilation. The risk of intervention failure is greatly increased in case of the stricture length is more than 10 mm and technical difficulties of ballooning indicating a high resistance of the narrowed portion of the ureter to dilation.
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About the authors
D. A. Lebedev
Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
Author for correspondence.
Email: Urolog.Lebedev@gmail.com
ORCID iD: 0000-0003-4078-5116
Cand.Med.Sci., MD, PhD, associate professor Urology Department’s
Russian Federation, Saint-PetersburgI. B. Osipov
Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
Email: osipovnir@mail.ru
ORCID iD: 0000-0002-1170-3436
Doctor Med.Sci., MD, PhD, professor, Urology Department’s Head
Russian Federation, Saint-PetersburgM. I. Komissarov
Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
Email: angio.gpma@gmail.com
ORCID iD: 0000-0003-4788-7561
Cand.Med.Sci., MD, PhD, associate professor, Cardiovascular surgery Department’s
Russian Federation, Saint-PetersburgS. A. Sarychev
Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
Email: serg_sarychev@mail.ru
ORCID iD: 0000-0002-8723-2976
Cand.Med.Sci., MD, PhD, children surgeon-urologist Urology Department’s
Russian Federation, Saint-PetersburgL. A. Alekseeva
Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
Email: k2madicin@yandex.ru
ORCID iD: 0000-0003-1006-828X
Cand. Med. Sci., MD, PhD, associate professor Urology Department’s
Russian Federation, Saint-PetersburgM. V. Lifanova
Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
Email: maria.lifanova@mail.ru
ORCID iD: 0000-0003-1626-7255
assistant professor Urology Department’s
Russian Federation, Saint-PetersburgN. V. Nesterova
Federal State Budget Educational Institution of Higher Education «St. Petersburg State Pediatric Medical University» of the Ministry of Health of Russian Federation
Email: natalya-spring@mail.ru
ORCID iD: 0000-0002-0296-1126
senior laboratory assistant Urology Department’s
Russian Federation, Saint-PetersburgReferences
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