用 Anderson-Hynes 肾盂成形术治疗小儿肾盂输尿管连接部狭窄,常需放置支架管和肾造瘘管。使用开放性外引流易发生逆行感染,而双 J 管既能起支架引流作用又可避免感染,是较理想的引流方法,然而,小儿输尿管长度、直径在不同的年龄相差悬殊,所需双 J 管的大小相差很大,目前尚无不同规 Anderson-Hynes pyeloplasty pediatric ureteropelvic junction stenosis, often need to place the stent tube and nephrostomy tube. The use of open external drainage is prone to retrograde infection, and double J tube can both serve as a stent drainage and can prevent infection, is an ideal drainage method, however, the length and diameter of pediatric ureteral disparity at different ages, the required double J The size of the pipe vary greatly, there is no different rules