Follow up showed 19 cases improved and 3 worsened.Stent placement across the left renal vein was performed in 5 cases.Superior mesenteric arteriectomy and replantation was performed in 2 patients.

• 5例患者行左肾静脉内支架植入术，2例患者行肠系膜上动脉切断再植术，随访均症状消失，左肾静脉无明显受压。