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采用彩色＋脉冲多普勒技术检测钙离子拮抗剂心痛定对肝硬化血液动力学的影响。其结果表明：心痛定可使大多数肝硬化患者门静脉内径扩张，血流速度减慢，血流量减少。上述血液动力学的改变受肝功能分级（Ｃｈｉｌｄ分级法）影响，差异不显著（Ｐ＞０．０５）。同时发现心痛定可使少数肝硬化患者的门静脉内径缩小，血流速度加快，血流量增加。提示临床医生在使用心痛定时应注意门静脉内径的变化。有条件的医院还应注意血流速度及血流量的变化。
Effect of Calcium Channel Blocker Assay on Hemodynamics in Liver Cirrhosis Using Color Doppler Pulse Doppler Imaging. The results show that: nifedipine can make most patients with cirrhosis of the portal vein diameter expansion, blood flow slowed down, blood flow decreased. The above hemodynamic changes were affected by the grading of liver function (Child grading), with no significant difference (P> 0.05). At the same time also found that cardiac pain can make a small number of patients with cirrhosis of the portal vein diameter narrowed, blood flow accelerated, increased blood flow. Tips clinicians should pay attention to changes in the diameter of the portal vein when using the heartache. Conditional hospitals should also pay attention to changes in blood flow velocity and blood flow.