经皮肾穿刺造瘘术最常见的并发症是肾造瘘管的意外脱出。虽然设计出很多不同的固定方法,但是都不安全满意。常用的固定方法有肾内气囊,保留Malecot头,缝合、捆扎在皮肤上,或用皮外扭扣固定等。肾内的保留固定装置满意,但可能损伤脆弱的肾实质。肾内气囊固定引起损伤少,但使引流腔缩小,可能会阻塞一个肾盏,另外气囊的巨大表面促进 The most common complication of percutaneous nephrostomy is accidental prolapse of the renal fistula. Although many different fixing methods are designed, none are safe and satisfactory. Commonly used methods of fixation of the kidney balloon, retaining the Malecot head, stitching, strapping the skin, or skin buckle buckle and so on. Renal retention retention devices are satisfactory, but may damage the fragile renal parenchyma. Intrarenal balloon fixation caused less damage, but the drainage cavity narrowing, may block a calyx, while the balloon’s huge surface to promote