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  • Title: [Plasma level and effects of thromboxane A2 and 6-keto-PGF1 alpha in patients with acute obstructive suppurative cholangitis].
    Author: Miao XY.
    Journal: Zhonghua Wai Ke Za Zhi; 1990 Apr; 28(4):228-30, 253-4. PubMed ID: 2379443.
    Abstract:
    The changes of the plasma thromboxane B2 (TXB2) and 6-keto-PGF1 alpha, the stable metabolites of TXA2 and PGI2, respectively and their effects on platelet counts, platelet aggregation and hypotension were studied in patients with AOSC. The results showed that the plasma TXB2, 6-keto-PGF1 alpha and 6-keto-PGF1 alpha/TXB2 ratios in these patients were markedly increased, however, the platelet counts markedly decreased and platelet aggregation inhibited significantly. After operation, they recovered to normal gradually. There were negative correlation between TXB2 with platelet count and 6-keto-PGF1 alpha with platelet aggregation, as well as both TXB2 and 6-keto-PGF1 alpha with blood pressure. TXA2 was an important factor which lead to platelet decrement and take part in the pathological course of disseminated intravascular coagulation (DIC) and multiple organ failure (MOF), but PGI2 might play an important role in improving microcirculation and preventing DIC and MOF through the inhibition of platelet aggregation.
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