ENTEROCYSTOPLASTY USING MODIFIED PEDICLED, DETUBULARIZED, DEEPITHELIALIZED SIGMOID PATCHES IN THE MINIPIG MODEL

被引:26
作者
LUTZ, N
FREY, P
机构
[1] Department of Pediatric Surgery, Centre Hospitalier Universitaire Vaudois, Lausanne
关键词
BLADDER; SIGMOID; SWINE; MINIATURE;
D O I
10.1016/S0022-5347(01)67197-0
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Enterocystoplasty and gastrocystoplasty have been developed to restore adequate bladder capacity but they still result in the undesired harmful contact of urine with the intestinal mucosa. In an attempt to prevent this nonphysiological interface we performed several modified enterocystoplasties in the mini-pig model using a pedicled, detubularized, de-epithelialized sigmoid patch. Five techniques of patch coverage were used to evaluate urothelial growth or survival on the sigmoid patch. All but 1 patch had intestinal mucosa remnants with mucocele formation. When no coverage was applied or a biodegradable polyglactin mesh was temporarily covering the pedicled, detubularized, de-epithelialized sigmoid patch, severe shrinkage occurred, Partial cover with autologous urothelium islets seemed to decrease shrinkage. Adequate urothelium survival and satisfactory elastic properties of the patch were observed when total cover of the sigmoid patch was achieved with a sheet of homologous urothelium recovering autologous urothelial islets or when the patch was applied to protruding urothelium obtained following sagittal posterior detrusor myotomy.
引用
收藏
页码:893 / 898
页数:6
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