脑梗死患者的血液动力学改变

目的 :了解脑梗死患者脑循环血液动力学的变化及意义。方法 :使用MDCBACV -30 0型脑血管血液动力学检测仪 ,对 2 7例脑梗死患者和 32例正常人脑血流量、脑血管阻力等血液动力学参数进行了对比研究。结果 :脑梗死患者急性期颈动脉平均血流量、平均流速、最大流速和最小流速都低于对照组 ;脉搏波波速和特性阻抗都大于对照组 ;脑血管阻力和动态阻力增大 ;舒张压与临界压之差减小。治疗后 ,这些异常改变明显好转。结论 :脑梗死患者表现有多项血液动力学参数异常 ,这种异常改变可能在脑梗死发生前就已经存在 ,并且参与了脑梗死的发生 ;这种异常改变是可以纠正的 ,纠正这些异常可能有助于脑梗死的预防

Hemodynamic changes in patients with cerebral infarction

Objective To investigate the hemodynamic changes in patients with cerebral infarction.Methods Cerebrovascular Hemodynamics Analyzer (MD CBA CV-300) was used in 27 patients with cerebral infarction and 32 healthy adults.Relative hemodynamic parameters were evaluated and compared with the findings from control subjects.Results Many hemodynamic parameters in patients with cerebral infarction were abnormal.But 14 days later,most of them became normal or almost normal.Conclusion The patients with cerebral infarction showed many abnomal hemodynamic changes,and it is possible that these changes had been appeared before the cerebral infarction and played a role in the outset of cerebral infarction.However,these changes are curable,and thereby we can do better to prevent cerebral infarction.