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The effects of stimulation at acupoint ST36 points against hemorrhagic shock in dogs

Published:October 11, 2010DOI:https://doi.org/10.1016/j.ajem.2010.07.009

      Abstract

      The aim of this study is to investigate the effects of electroacupuncturing (EA) zusanli points on levels of basic hemodynamics, lactate, and cytokines in dogs with hemorrhagic shock. Thirty healthy dogs were randomly divided into 5 groups: sham hemorrhagic shocked group, hemorrhagic shocked group, EA group, nonacupuncturing group, and EA after vagotomy group. Zusanli points were electroacupunctured with constant voltage (10-15 V, 30 Hz) for 30 minutes immediately after the shock models were established. Before the stimulation, a blood pressure transducer was implanted into the right femoral artery for continuous recording of mean arterial pressure (MAP), and a 5F Swan-Ganz pediatric catheter was implanted into the pulmonary artery. The levels of serum tumor necrosis factor α (TNF-α) in the femoral artery were detected at 0, 120, and 180 minutes after hemorrhage. The levels of serum lactate in the femoral artery were detected before hemorrhage (−45 minutes), at 0 minute, and at 180 minutes. In the hemorrhagic shocked group, the levels of MAP, cardiac output, cardiac index, central venous pressure, and pulmonary arterial wedge pressure decreased significantly; at the same time, the levels of serum TNF-α and serum lactate increased significantly. There were no differences between these groups and the hemorrhagic group, but they were different from the sham hemorrhagic shocked group. In the EA group, the levels of MAP, cardiac output, cardiac index, central venous pressure, and pulmonary arterial wedge pressure gradually increased, but the content of serum TNF-α and lactate obviously decreased. The results suggested that EA zusanli points produce a protective effect on hemorrhagic shock in dogs.
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