患者,女,73岁。因慢性肾功能不全、动静脉瘘关闭术后左前臂肿胀加重入院。患者4年前因尿毒症首次行左腕部桡动脉-头静脉自体动静脉内瘘,后因内瘘失功,于左前臂原吻合口近心端又新建一自体动静脉瘘。入院前2个月因左前臂肿胀,CT检查显示左侧锁骨下静脉、无名静脉长段闭塞,遂于外院行瘘管结扎术。术后肿胀未好转,并有加重,晚 Patient, female, 73 years old. Due to chronic renal insufficiency, arteriovenous fistula closed postoperative left forearm swelling increased admission. 4 years ago due to uremia for the first time in patients with left wrist radial artery - the head vein autologous arteriovenous fistula, after fistula loss of power, in the left forearm near the original anastomosis and new autologous arteriovenous fistula. Two months before admission due to swelling of the left forearm, CT examination showed the left subclavian vein, anonymous vein long segment occlusion, then outside the hospital fistula ligation. Postoperative swelling did not improve, and aggravated, late