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  • Title: [Effects of Salvia miltiorrhiza compound injection on serum endothelin, prostaglandin I2/thromboxane A2 ratio alteration following myocardial ischemia-reperfusion in patients undergoing intracardiac surgery].
    Author: Shi X, Xia Z, Fang J.
    Journal: Zhongguo Zhong Xi Yi Jie He Za Zhi; 2000 Dec; 20(12):896-8. PubMed ID: 11938858.
    Abstract:
    OBJECTIVE: To investigate the effects of Salvia miltiorrhiza compound injection (SMCI) on serum endothelin (ET), prostaglandin I2(PGI2), thromboxane A2(TXA2), and PGI2/TXA2 ratio following myocardial ischemia-reperfusion in patients undergoing intracardiac surgery. METHODS: Twenty patients, scheduled for selective surgery, were randomly divided into the SMCI group (group A, 10 cases) and the control group (group B, 10 cases). SMCI 200 mg/kg was given intravenously in group A before starting the operation and at the time of rewarming respectively, and equivalent volumes of normal saline were administered to group B. The central venous blood samples were collected to measure the serum concentration of ET, PGI2, TXA2, and PGI2/TXA2 ratio. RESULTS: ET significantly reduced, while PGI2 and TXA2 obviously raised in both groups at the beginning (T1) of extracorporeal cardiopulmonary bypass (CPB) (P < 0.05). After cardiac ischemia-reperfusion, ET in group B increased rapidly and significantly (P < 0.05) and evidently higher than the corresponding value in group A 30 min after reperfusion (T3) till 24 hrs after reperfusion (T5). During reperfusion, PGI2 and TXA2 in group A decreased more rapidly than that of group B, while group A maintained higher PGI2/TXA2 ratio than that of group B. At T5, PGI2 and TXA2 in group A were significantly lower than those in group B, while PGI2/TXA2 ratio was higher than that in group B (P < 0.05). The serum ET level was obviously negatively correlated to PGI2/TXA2 ratio. The postoperative cardiac function recovered much better in group A than in that group B. CONCLUSION: SMCI can significantly reduce serum ET level, raise PGI2/TXA2 ratio, thus facilitate the postoperative cardiac function recovery following intracardiac surgery under CPB.
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