Dec reased plasma NPY levels are correlated with the severity of liver damage and ma y be responsible for the changes of hemodynamics and ascitic formation in patie nts with liver cirrhosis.

• LC患者血浆NPY水平的下降与肝功能损害的程度有关,血中NPY的减少可能参与了LC血流动力学的改变及腹水的形成。