Portal-azygous devascularization can maintain PVP and PG in portal vein and do not affect liver function of the control rats but it can damage liver cell in cirrhotic rats.

• 断流术能维持PVP及门脉血PG水平，对正常大鼠肝功能影响小，但对肝硬变大鼠的肝细胞有损害。