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对１３４例２０岁以上健康人进行了血瘀证的调查，发现４５．５２％的健康人群表现血瘀征候，随着增龄血瘀征候检出率呈递增变化。采用放射免疫分析法检测血栓素Ｂ２（ＴＸＢ２）、６－酮－前列腺素Ｆ１ａ（６－ｋｅｔｏ－ＰＧＦ１α）及Ｔ／Ｋ比值。结果显示：中年及老年组ＴＸＢ２水平均明显高于青年人（Ｐ均＜０．０１）。而６－ｋｅｔｏ－ＰＧＦ１αｖ水平各年龄组变化不大，Ｔ／Ｋ比值老年人显著高于青年人（Ｐ＜０．０１）。表明随着年龄增长，血液逐渐呈现高凝倾向，并与上述指标相关。这对防治心脑血管疾病，防治中医血瘀证具有重要的理论意义和实际意义。
A total of 134 healthy people aged 20 and above were investigated for blood stasis. 45.52% of healthy people showed signs of blood stasis, and the detection rate of blood stasis increased gradually with age. Thromboxane B2 (TXB2), 6-keto-PGF1α, and T/K ratios were measured by radioimmunoassay. The results showed that: TXB2 levels in the middle-aged and elderly patients were significantly higher than those in young people (P <0.01). The 6-keto-PGF1αv levels did not change significantly in all age groups, and the T/K ratio in the elderly was significantly higher than that in young people (P<0.01). It shows that with the increase of age, the blood gradually shows a tendency of high coagulation, and is related to the above indicators. This has important theoretical and practical significance for the prevention and treatment of cardiovascular and cerebrovascular diseases and the prevention and treatment of blood stasis syndrome in traditional Chinese medicine.