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本文测定了30例急性心肌梗塞患者外周血白细胞介素2（IL-2）及其游离受体（sIL-2R）水平，并进行动态观察，实验结果表明，发病后48h内IL-2水平最低，而sIL-2R水平最高，与正常对照组比较有显著性差异（P＜0.001）；发病后72hIL-2水平开始升高，sIL-2R水平开始下降，至2～3周时两者水平逐渐趋于正常，与对照组比较无显著性差异（P＞0．05）。研究表明急性心肌梗塞与机体免疫应答密切相关。
The levels of interleukin 2 (IL-2) and its free receptor (sIL-2R) in peripheral blood of 30 patients with acute myocardial infarction were measured and observed dynamically. The results showed that the level of IL-2 was the lowest within 48 hours after onset , While the level of sIL-2R was the highest (P <0.001). The level of IL-2 began to increase at 72 hours and the level of sIL-2R began to decline at 2h after onset, Tendency to normal, compared with the control group no significant difference (P> 0.05). Research shows that acute myocardial infarction is closely related to the immune response.