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小肠袢常用作膀胱替代物,且目前更趋盛行。不过,它不是理想的膀胱替代物,原因有三:(1)小肠袢不能阻止溶质的重吸收,导致明显的全身代谢性改变;(2)常窝藏细菌,当有输尿管返流时增加肾功能损害的危险;(3)容量不足和顺应性差,可产生上尿路功能损害和/或尿失禁。后面这一问题用大肠作替代物可获得改善。如果大肠袢和它的形状证明对上尿路有最好的保护和维持尿自制,那么对小肠袢的贮存容量和容
Small intestine 袢 commonly used as bladder substitutes, and more prevalent. However, it is not an ideal bladder replacement for three reasons: (1) small intestine does not stop solute reabsorption and leads to significant systemic metabolic changes; (2) bacteria harboring bacteria that increase kidney damage when there is ureteral reflux (3) Insufficient capacity and poor compliance may result in upper urinary tract dysfunction and / or urinary incontinence. The latter problem can be improved by using the large intestine as a substitute. If the bowel and its shape proved to have the best protection of the upper urinary tract and maintain urine, then the storage capacity and capacity of the small intestine 袢