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Evaluation of cardiac contractility with ascendant speed of artery systolic pressure



Evaluation of cardiac contractility with ascendant speed of artery systolic pressure



Hunan Yike Daxue Xuebao 21(2): 140-142



Evaluation of cardiac contractility with ascendant speed (dp/dt max and dp/dt mean) of artery systolic pressure was studied. Thirty patients for upper abdominal surgery were randomly allocated to one of the three groups: epidural anesthesia (T-3-4 apprx T-2-3 levels), low dose of fentanyl (10 mu-g/kg) anesthesia and medium close of fentanyl (20 apprx 30 mu-g/kg) anesthesia. In epidural group, MAP, CO, HR, RTm, dp/dt max and dp/dt mean decreased significantly at check-up for abdominal cavity (P lt 0.05). In fentanyl groups, dp/dt max and dp/dt mean decreased significantly (P lt 0.05), but MAP, HR, SV, CO and RTm did not change (P gt 0.05) before operation. The result showed that the ascendant speed of artery systolic pressure could reflex the change of cardiac contractility.

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