Number №4, 2020 - page 146-154

Delayed primary bladder’s closure in children with exstrophy, microcystis DOI: 10.29188/2222-8543-2020-13-4-146-154

For citation: Rudin Yu.E., Sokolov Yu.Yu., Rudin A.Yu., Marukhnenko D.V., Runenko V.I., Kirsanov A.S., Kartseva E.V., Medvedeva N.V. Delayed primary bladder’s closure in children with exstrophy, microcystis. Experimental and Clinical Urology 2020(4):146-154, https://doi.org/10.29188/2222-8543-2020-13-4-146-154
Yu.E. Rudin, Yu.Yu. Sokolov, A.Yu. Rudin, D.V. Marukhnenko, V.I. Runenko, A.S. Kirsanov, E.V. Kartseva, N.V. Medvedeva
Information about authors:
  • Rudin Yu.E. – Dr. Sc., Professor, head of the pediatric urology group of the N. A. Lopatkin research Institute of urology and interventional radiology – the branch of the National medical research centre radiology of the Ministry of health of Russia; Moscow, Russia; https://orcid.org/0000-0001-5973-615Х
  • Sokolov Yu.Yu. – Dr. Sc., Professor, head of the department of pediatric surgery of Russian medical Academy continuous professional education of the Ministry of health of Russia; Moscow, Russia; https://orcid.org/0000-0003-3831-768X
  • Rudin A.Yu. – pediatric urologist-andrologist of St. Vladimir's Moscow children's clinical hospital; Moscow, Russia; https://orcid.org/0000-0002-8098-6441
  • Marukhnenko D.V. – PhD, head of the children's uroandrological department of the N.A. Lopatkin research Institute of urology and interventional radiology – the branch of the National medical research centre radiology of the Ministry of health of Russia; Moscow, Russia; https://orcid.org/0000-0001-5194-2880
  • Runenko V.I. – PhD, head of the children's uroandrological department of St. Vladimir's Moscow children's clinical hospital; Moscow, Russia; https://orcid.org/0000-0002-8768-4171
  • Kirsanov A.S. – head of the surgical department for newborns and premature babies of St. Vladimir's Moscow children's clinical hospital; Moscow, Russia; https://orcid.org/0000-0001-8382-3544
  • Kartseva E.V. – PhD, pediatric surgeon of St. Vladimir's Moscow children's clinical hospital; Moscow, Russia
  • Medvedeva N.V. – pediatric surgeon of St. Vladimir's Moscow children's clinical hospital; Moscow, Russia
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Introduction. The small size of the bladder plate is a poor prognostic sign for successful treatment of exstrophy. Primary closure in newborns and infants with microcystisis often accompanied by complications and relapses; there for, the approach to the treatment of this group of patients requires a more detailed analysis.

The aim of the study. Identify advantages and disadvantages of delayed primary closure surgery in patients with bladder exstrophy and microcystis.

Materials and methods. During the period from 1994 to 2020, 265 children with bladder exstrophy were subjected to surgery, 123 patients were newborns. There were 37 children with microcystis (bladders plate <3 cm). In 30 children, primary closure was performed at the newborn age. Seven patients with microcystis were subjected to everyday manual and mechanical stretching of the bladder and injections of botulinotoxin type A into the bladder plate (2-3 times) for 1-2 years. In 5 children the size of the bladder plate was increased from 3 cm to 6 cm, they were underwenteded delayed primary closure at the age of 1-2 years, supplemented by ureteroneoimplantation, bladder neck reconstruction, with bilateral osteotomy.

Results. Complications of primary closure in patients operated on during the neonatal period (30) such as relapse of the exstrophywere observed in 10 patients (33.3%) and partial wound dehiscence in 3 children (10%). In patients with microcystis that underwent delayed primary closure after stretching the bladder, there was no relapse of exstrophy, and growth of the bladder was observed.

Conclusions. In our opinion, delayed primary closure of the bladder in children with microcystis after mechanical stretching of the bladder plate in combination with injections of botulinum toxin type A into the detrusor can improve the results of correction of exstrophy.

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bladder exstrophy, microcystis, delayed primary closure, stretching of the bladder plate.

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