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Urinary diversion in children
1Chirurgische und Urologische Abteilung, DRK-Kinderklinik Siegen.
Insights
Urinary diversion in children, a last resort, carries significant long-term risks. Newer techniques improve quality of life but do not eliminate complications, necessitating careful consideration of reconstructive options.
Area of Science:
- Pediatric Urology
- Surgical Oncology
- Reconstructive Surgery
Background:
- Urinary diversion in children is a last resort for life-threatening conditions.
- All urinary diversion methods carry significant disadvantages for affected children.
- Long-term risks include metabolic and renal complications, and malignant degeneration.
Purpose of the Study:
- To evaluate the long-term implications of urinary diversion in pediatric patients.
- To address the defensibility of bowel segment urinary diversion for benign pediatric disorders.
- To determine appropriate follow-up examinations and intervals after urinary diversion.
Main Methods:
- Review of existing literature on urinary diversion techniques in children.
- Analysis of long-term complication data from various diversion procedures.
- Consideration of reconstructive therapy and prophylaxis strategies.
Main Results:
- Newer urinary diversion techniques improve quality of life but persistent risks remain.
- Long-term complications increase with time, as seen in ureterosigmoidostomy and ileal conduit.
- Evidence supporting reduced long-term complications with newer methods is not established.
Conclusions:
- Minimize urinary diversion in children through optimal primary reconstructive therapy and prophylaxis.
- The long-term risks associated with urinary diversion necessitate ongoing research and careful patient selection.
- Further investigation is required to establish the safety and efficacy of newer urinary diversion techniques over extended periods.
Abstract:
At the present time, urinary diversion in children remains an last resort type of treatment that must be carried out in selected cases when there is no alternative available. All forms of urinary diversion have the common goal of gaining control of a life-threatening situation; all, however, are fraught with serious disadvantages for the affected children. The newer forms (undiversion, pouch, ileocystoplasty, augmentation) undoubtedly improve the patient's quality of life, but the risks of long-term metabolic and renal complications and malignant degeneration persist. Harzmann, who for years has concerned himself with urinary diversion and, in particular, with malignant changes, has posed two difficult questions: 1. Is urinary diversion using bowel segments defensible for benign disorders, e.g., in children? 2. Which follow-up examinations should be performed after urinary diversion using bowel segments, and at what time intervals? Our goal should be to keep the number of urinary diversions as small as possible by means of appropriate treatment, prophylaxis, and in particular the means and type of primary reconstructive therapy. Children have a life-time ahead of them, and the complications of urinary diversion increase decade by decade. This fact has been demonstrated in children who have undergone ureterosigmoidostomy or ileal conduit. Grounds for the assumption that fewer serious long-term complications are to be expected after colon conduit, pouch, neobladder, or augmentation procedures have not been established.