Suburethral pubovaginal sling placement is a common surgical procedure for the treatment of stress urinary incontinence. A wide variety of graft materials is available, each associated with inherent desirable and undesirable characteristics and complications. In this article, we discuss the rationale for and application of small intestinal submucosa (SIS) in lower urinary tract tissue engineering, with emphasis on the use of SIS as a suitable and biologically compatible sling material. In addition, we discuss exciting research regarding the engineering of true functional sphincter reconstruction using this biologic scaffold and pre-seeded muscle cells.
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