Bladder Augmentation Without Integration of Intact Bowel Segments: Critical Review and Future Perspectives

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Abstract
We evaluated the long-term results of autoaugmentation in the pediatric age group and summarized technical adaptations, experimental options and future perspectives for treating these patients. A directed MEDLINE literature review was performed to assess different techniques and alternative options in autoaugmentation procedures. Of 150 studies 49 in the subgroup with the longest duration of followup to show the long-term outcome of the autoaugmentation procedures were chosen for this review. Information gained from these data was reviewed and new perspectives were summarized. Enterocystoplasy is an effective mode of therapy with acceptable morbidity and satisfactory clinical results, although it is major intraperitoneal surgery with various complications and patients need prolonged convalescence to adapt to these surgical procedures. On the other hand, patient selection seems to be the most crucial step for the success of autoaugmentation procedures because the clinical outcome does not appear to be durable. Achievement of better compliance after autoaugmentation procedures seems to be less pronounced and of shorter duration than that of conventional enterocystoplasty. On the other hand, the low morbidity and lack of side effects of bowel integration into the urinary tract are the definite advantages of this technique. It is the responsibility of the physician to determine the balance between the limited efficacy of the procedures vs the definite advantages. Although functionally improved parameters are obtained in tissue engineered autologous bladders, there is an absolute need for additional studies before this challenging technique could be applied widely.

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