re were no effective therapy inthe treatment ofHVOD Currently.Early anticoagulationtherapy and defibrotide Can achieve betterefficacy,End-stage patients should take liver transplantation. [Key words]Hepatic veno-occlusive disease;Pyrrolizidine alkaloids;Diagnose; Treatment;Prognosis ⅥI 浙江大学硕士学位论文英文缩略词表英文缩略词表ⅥII 目录致谢????????????????????????????????I 中文摘要??????????????????????????????..Ⅱ Abstract??..........???????..?..??????......????..????.????....?...........V 英文缩略词表???????.????????????????????.VIII 目录引言??????????????????????????????1 资料与方法???????????????????????????.3 结果??????????????????????????????5 讨论???????????????????????????????????????19 结论??????????????????????????????27 参考文献????????????????????????????28 综述????????????????????????????????..32 作者简历??????????????????????????????52