Results patients with placement of indwelling silicone catheters reported no obvious discomfort in relation to the catheter placement and had significantly lower incidence of hematuiria identified microscopically than those with common latex catheters 结论插管过程中内固定囊压迫膀胱黏膜或者病人活动牵拉导管可能是造成尿道或膀胱损伤的原因之一。