AI Article Synopsis
- 71 children underwent reconstructive plastic operations for primary obstructive megaureter from 1989 to 1998, with 35 receiving ureterocystoneostomy and 5 having nephrostomy due to complications.
- Long-term outcomes were positive, with 85.7% of the children recovering and 8.6% showing improvement; morphometric exams indicated a significant reduction in ureter diameter after surgery.
- The author advises against longitudinal ureter modelling in children, particularly infants, due to potential risks and the need for time to achieve recovery of ureter function.
Article Abstract
In 1989-1998 reconstructive plastic operations for primary obstructive megaureter (POM) were made in 71 children. Ureterocystoneostomy with antireflux defense was made in 35 children. Prior trocar nephrostomy was performed in 5 patients with bilateral megaureter and decompensation of the upper urinary tracts. Extensive resections of the dilated ureters with their longitudinal modelling were not used. Long-term results were good: 85.7% of the children recovered, 8.6% improved. Morphometric examinations of the distal obturating ureters before surgery and 6 months to 9 years after it showed that after operative reestablishment of ureteral patency diameter of the ureter reduced 6.2- and 5.5-fold, on the average, in children under 5 years and 6-14-year-olds, respectively. It was also demonstrated that recovery of ureteral contractility and diminution of its size need time (at least 1-1.5 years). The author does not recommend to make longitudinal modelling of the ureter in children, especially in infants.
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