期刊
REGENERATIVE MEDICINE
卷 3, 期 5, 页码 671-682出版社
FUTURE MEDICINE LTD
DOI: 10.2217/17460751.3.5.671
关键词
enterocystoplasty; neo-bladder; organ regeneration; organ repair; regulative development; tissue healing
Aims: To comparatively evaluate bladder regeneration following 80% cystectomy and augmentation using a synthetic biopolymer with autologous urothelial and smooth muscle cells (autologous neo-bladder augmentation construct [construct]) or autotransplantation of native bladder (reimplanted native urinary bladder [reimplant]) in canines. Materials & methods: Voiding function, urodynamic assessment and neo-organ capacity-to-body-weight ratio (C:BW) were assessed longitudinally for a total of 24 months following trigone-sparing augmentation cystoplasty in juvenile canines. Results: Within 30 days postimplantation, hematology and urinalysis returned to baseline. Constructs and reimplants yielded neo-organs with statistically equivalent urodynamics and histology. Linear regression analysis of C:BW showed that constructs regained baseline slope and continued to adapt with animal growth. Conclusions: Constructs and reimplants regained and maintained native bladder histology by 3 months, capacity at 3-6 months and compliance by 12-24 months. Furthermore, construct C:BW demonstrated the ability of regenerated bladder to respond to growth regulation.
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