由不同病因引起的慢性输尿管梗阻(CUO),金属支架(MS)植入可以作为另一种治疗方法的选择。较之传统聚合物支架,其换管周期长,性价比更高,可以用作长期引流,尤其适合治疗恶性肿瘤压迫引起的输尿管梗阻,或治疗复杂的、常规方法治疗有困难的良性输尿管梗阻。术前仔细的病例筛选及术后密切随访,对预防和治疗MS植入的并发症是十分必要的。 Chronic ureteral obstruction (CUO) and metal stent (MS) implants caused by different causes can be used as an alternative treatment. Compared with the traditional polymer scaffolds, the tube has a long tube changeover period and is more cost-effective. It can be used for long-term drainage and is especially suitable for the treatment of ureteral obstruction caused by malignant tumor compression or benign ureteral obstruction which is difficult to be treated by conventional methods. Precise preoperative screening and follow-up after surgery are very necessary to prevent and treat the complications of MS implantation.