To explore the correlation between platelet function and immunity index in patients with sepsis.

The platelet function and immune indexes of one hundred and one patients with sepsis treated in Shanxi Dayi Hospital from July 1st, 2016 to October 31st, 2017 were analyzed retrospectively.According to their shock, they were divided into shock group (34 cases) and non shock group (67 cases). Another 50 healthy people in the same period in our hospital were selected as control group.The relationship between platelet function and immune indexes was compared.

(1)the incidence of maximum blood block intensity decreased in the thrombus map of the septic shock group was higher than that in the non shock group, and the difference was statistically significant (65.67%(44/67) vs.23.53%(8/34), χ²=41.28, P<0.05); (2) the CD4⁺ T lymphocyte and C3 in the septic shock group were all lower than those in the non shock group ((47.28%±7.78) vs.(54.93%±11.26), t=3.554, P<0.05; (0.42±0.23) g/L vs.(0.75±0.19) g/L, t=-3.057, P<0.05), the ratio of CD4⁺ /CD8⁺ T lymphocyte was higher than that in non shock group ((2.68±0.18) vs.(2.45±0.07), t=7.18, P<0.001)). (3) the maximum intensity of blood clots was correlated with the percentage of CD4⁺ T lymphocyte, CD4⁺ /CD8⁺ T lymphocyte ratio, complement C3, acute physiology and chronic health status score system II score, and sequential organ failure score (r=0.617, 0.411, 0.563, -0.631, -0.547, P<0.01, or P<0.05).

Thrombocytopenia is present in septic patients, which is correlated with changes in immune indices.

Sepsis; sepsis shock; thrombelastogram; immune index