The changes of cardiac output and peripheral vascular resistance were similar to that of mean arterial pressure.
心输出量和外周血管阻力的变化情况与血压改变相类似。
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Conclusions Pulmonary function of COPD decreased significantly from stable stage to exacerbation, the main reasons of which were hyperinflation and the increasing of peripheral airway resistance.
CONCLUSION: The main characteristics of CVHI indexes include less blood velocity, increased peripheralresistance and decreased integral scores of cerebral vascular function.