Diagnosis and treatment of portal vein thrombosis in patients with portal hypertension disconnection after operation WU Jian-li, YANG Zhen, WANG Chao, et al. Department of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan430030, China Corresponding author：YANG Zhen, E-mail： zyang@tjh.tjmu.edu.cn Abstract Objective To investigate diagnosis and treatment of portal vein thrombosis （PVT）in patients with portal hypertension disconnection after operation. Methods The clinical data of 71 cases of PVT after disconnection admitted between April 1993 and October 2008 at Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology were analyzed retrospectively. Results The predilection area of postoperative PVT was splenic vein and portal vein in 9—21d after operation.Among them, except for one case died of intestinal necrosis combined toxic shock, all cases were recovered. But one case occurred in short bowel syndrome. Conclusion Abdominal doppler ultrasound or CT is the road of definite diagnosis. Operation standardization, dynamic examining platelet count, routine doppler ultrasonography or CT examining, early thrombolysis and anticoagulation therapy are the effective methods in preventing and managing PVT postoperation for potal hypertension disconnection.