Histerocystoplasty: A Novel Surgical Procedure in the Rat

Background Enterocystoplasties are associated to complications. To avoid them, different types of tissue templates have been used to augment the bladder and induce native bladder regeneration. Materials and Methods A novel surgical technique for bladder reconstruction using autologous uterine tissue...

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Published in:The Journal of surgical research 2012-06, Vol.175 (1), p.157-162
Main Authors: Dapena, Lidia, D.V.M., Ph.D, Dapena, Isabel, M.D, Regadera, Javier, M.D., Ph.D, Gaspar, María Jesús, Pharm, Ph.D, González-Peramato, Pilar, M.D., Ph.D
Format: Article
Language:English
Subjects:
Animals
augmentation
bladder
Feasibility Studies
Female
hysterocystoplasty
Muscle, Smooth - transplantation
Rats
Rats, Wistar
Reconstructive Surgical Procedures
Surgery
surgical model
Urinary Bladder - surgery
Urologic Surgical Procedures - methods
uterus
Uterus - transplantation
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cited_by cdi_FETCH-LOGICAL-c408t-17666e205e0477071f2b1ff376f15e92a35271dfc1596092f2c1530b4450e11c3
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container_end_page 162
container_issue 1
container_start_page 157
container_title The Journal of surgical research
container_volume 175
creator Dapena, Lidia, D.V.M., Ph.D
Dapena, Isabel, M.D
Regadera, Javier, M.D., Ph.D
Gaspar, María Jesús, Pharm, Ph.D
González-Peramato, Pilar, M.D., Ph.D
description Background Enterocystoplasties are associated to complications. To avoid them, different types of tissue templates have been used to augment the bladder and induce native bladder regeneration. Materials and Methods A novel surgical technique for bladder reconstruction using autologous uterine tissue was evaluated in a rat model. Forty-two female Wistar rats were randomly allocated into three groups: sham-operation hysterocystorrhaphy ( n = 12), hysterocystoplasty ( n = 18), and control ( n = 12). Two weeks after surgery, ultrasound examination of the bladder was performed. At 2, 4, or 6 mo after surgery, the rats were anesthetized and blood and urine samples were taken. They were then euthanized and post-mortem and histologic examination were performed. Ultrasound examination, analytical parameters and weight control, as well as gross and histologic examination were performed in all the operated animals. The statistical analysis was performed using Kruskal-Wallis and the extension of Fisher’s exact tests. Significance was set at 5% ( P < 0.05). Results Serum chemistry, blood count and peripheral blood smears, electrolytes, and urinary parameters were all within the normal range for the rat. Histologic sections of the surgically augmented zone between the bladder and uterine horn demonstrated urothelial epithelization, providing adequate coverage of the transition area in 72.22% of the rats that underwent hysterocystoplasty. Conclusions The hysterocystoplasty was technically viable in all the cases and proved to be an easy and safe surgical model for bladder reconstruction. All animals were healthy after surgery and all systemic parameters analyzed were within normal physiologic range for the rat.
doi_str_mv 10.1016/j.jss.2011.03.002
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To avoid them, different types of tissue templates have been used to augment the bladder and induce native bladder regeneration. Materials and Methods A novel surgical technique for bladder reconstruction using autologous uterine tissue was evaluated in a rat model. Forty-two female Wistar rats were randomly allocated into three groups: sham-operation hysterocystorrhaphy ( n = 12), hysterocystoplasty ( n = 18), and control ( n = 12). Two weeks after surgery, ultrasound examination of the bladder was performed. At 2, 4, or 6 mo after surgery, the rats were anesthetized and blood and urine samples were taken. They were then euthanized and post-mortem and histologic examination were performed. Ultrasound examination, analytical parameters and weight control, as well as gross and histologic examination were performed in all the operated animals. The statistical analysis was performed using Kruskal-Wallis and the extension of Fisher’s exact tests. Significance was set at 5% ( P &lt; 0.05). Results Serum chemistry, blood count and peripheral blood smears, electrolytes, and urinary parameters were all within the normal range for the rat. Histologic sections of the surgically augmented zone between the bladder and uterine horn demonstrated urothelial epithelization, providing adequate coverage of the transition area in 72.22% of the rats that underwent hysterocystoplasty. Conclusions The hysterocystoplasty was technically viable in all the cases and proved to be an easy and safe surgical model for bladder reconstruction. All animals were healthy after surgery and all systemic parameters analyzed were within normal physiologic range for the rat.</description><identifier>ISSN: 0022-4804</identifier><identifier>EISSN: 1095-8673</identifier><identifier>DOI: 10.1016/j.jss.2011.03.002</identifier><identifier>PMID: 21529834</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Animals ; augmentation ; bladder ; Feasibility Studies ; Female ; hysterocystoplasty ; Muscle, Smooth - transplantation ; Rats ; Rats, Wistar ; Reconstructive Surgical Procedures ; Surgery ; surgical model ; Urinary Bladder - surgery ; Urologic Surgical Procedures - methods ; uterus ; Uterus - transplantation</subject><ispartof>The Journal of surgical research, 2012-06, Vol.175 (1), p.157-162</ispartof><rights>Elsevier Inc.</rights><rights>2012 Elsevier Inc.</rights><rights>Copyright © 2012 Elsevier Inc. 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To avoid them, different types of tissue templates have been used to augment the bladder and induce native bladder regeneration. Materials and Methods A novel surgical technique for bladder reconstruction using autologous uterine tissue was evaluated in a rat model. Forty-two female Wistar rats were randomly allocated into three groups: sham-operation hysterocystorrhaphy ( n = 12), hysterocystoplasty ( n = 18), and control ( n = 12). Two weeks after surgery, ultrasound examination of the bladder was performed. At 2, 4, or 6 mo after surgery, the rats were anesthetized and blood and urine samples were taken. They were then euthanized and post-mortem and histologic examination were performed. Ultrasound examination, analytical parameters and weight control, as well as gross and histologic examination were performed in all the operated animals. The statistical analysis was performed using Kruskal-Wallis and the extension of Fisher’s exact tests. Significance was set at 5% ( P &lt; 0.05). Results Serum chemistry, blood count and peripheral blood smears, electrolytes, and urinary parameters were all within the normal range for the rat. Histologic sections of the surgically augmented zone between the bladder and uterine horn demonstrated urothelial epithelization, providing adequate coverage of the transition area in 72.22% of the rats that underwent hysterocystoplasty. Conclusions The hysterocystoplasty was technically viable in all the cases and proved to be an easy and safe surgical model for bladder reconstruction. 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subjects Animals
augmentation
bladder
Feasibility Studies
Female
hysterocystoplasty
Muscle, Smooth - transplantation
Rats
Rats, Wistar
Reconstructive Surgical Procedures
Surgery
surgical model
Urinary Bladder - surgery
Urologic Surgical Procedures - methods
uterus
Uterus - transplantation
title Histerocystoplasty: A Novel Surgical Procedure in the Rat
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