<正>肝静脉压力梯度(hepatic venous pressure gradient,HVPG)是与门静脉压力密切相关的间接测量指标,为肝静脉楔入压(wedged venous pressure gradient,WVPG)与肝静脉游离压(free venous pressure gradient,FVPG)的差值,可评估门静脉压力梯度。HVPG在窦性及窦后性门静脉高压测量中意义重大。