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Evaluation of Biomaterials for Bladder Augmentation using Cystometric Analyses in Various Rodent Models
Published on: August 9, 2012
Long-term follow up of enteric bladder augmentations: the risk for malignancy
1Department of Urology, Mayo Clinic, Rochester MN 55905, USA.
Journal of Pediatric Urology
|July 26, 2008
Summary
Bladder cancer risk is elevated after enteric bladder augmentation, with 4.5% of patients developing malignancy. Risk factors include smoking, immunosuppression, and bladder exstrophy, underscoring the need for long-term surveillance.
Area of Science:
- Urology
- Oncology
- Surgical Innovation
Background:
- Enteric bladder augmentation is a surgical procedure to reconstruct the bladder using intestinal segments.
- Long-term outcomes, particularly the risk of malignancy, require thorough investigation.
Purpose of the Study:
- To assess the incidence and characteristics of bladder cancer following enteric bladder augmentation.
- To identify potential risk factors associated with malignancy development in augmented bladders.
Main Methods:
- A registry of patients undergoing enteric bladder augmentation was reviewed.
- Individuals with a minimum 10-year follow-up were analyzed for malignancy development.
- Patient data included indication for augmentation, follow-up duration, and tumor characteristics.
Main Results:
- Seven out of 153 patients (4.5%) developed malignancy after a median follow-up of 27 years.
- Malignancies included transitional cell carcinoma and adenocarcinoma.
- Associated factors included heavy smoking, renal transplantation, and bladder exstrophy.
Conclusions:
- Malignancy is a significant long-term risk following enteric bladder augmentation.
- Coexisting factors like smoking, immunosuppression, and underlying conditions (e.g., bladder exstrophy) increase cancer risk.
- Long-term surveillance is crucial for patients with augmented bladders.
