尿道スリング術後の排尿動態 ―閉塞か非閉塞か―

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尿道スリング手術7例について術後の排尿をPressure Flow Studyを用い尿流動態学的に検討した.スリング材料は人工材料のヘマシールドを用いた.最大尿流率,平均尿流量率,残尿検査において術前術後で有意差は認められなかった.閉塞と判定された症例はなかった.人工材料を用いた尿道スリング手術は,スリング材料の位置を慎重に選択し,膀胱三角部にかかることなく正確に膀胱頸部から中部尿道にかけて平坦に置き,張力をかけずに固定すれば,排尿時の膀胱頸部の開大も良好で閉塞機転には働かないと考えられたTo examine whether or not the suburethral sling operation produces obstruction during voiding, seven females who underwent the sling operation using synthetic material (Vesica Sling Kit) were studied postoperatively urodynamically. Uroflowmetry and residual urine measurement showed no overt voiding difficulties in any cases. However, in one case, a pressure flow study indicated equivocal and the position of the sling material was judged to be too proximal by fluoroscopic monitoring. In all other 6 cases pressure flow was shown to be non-obstructive. Fluoroscopic finding also demonstrated in these 6 cases an appropriate bladder neck opening at the time of voiding and the sling was positioned just from the bladder neck to mid-urethra. Thus, it is concluded that the suburethral sling operation produces no obstruction as long as the position of the sling material is carefully determined from bladder neck to mid-urethra and excessive tension is avoided.

尿道スリング術後の排尿動態 ―閉塞か非閉塞か―

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