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目的探讨外周血白细胞(WBC)与ST抬高急性心肌梗死(STEMI)近期预后危险分层。方法住院STEMI患者431例,依据发病时WBC计数分组,WBC计数正常(<10×109/L,Ⅰ组)223例;WBC计数(>10×109/L,Ⅱ组)208例,取AMI后12内的WBC分析,并观察心梗部位、ST段抬高导联数及临床并发症。结果Ⅱ组梗死部位以前壁或复合前壁、ST段抬高导联数多及临床并发泵衰竭、严重心律失常、AMI扩展、EF指数低、病死率等发生率高(P<0.05～P<0.01)。结论 STEMI时WBC计数增高是临床预后险恶的重要指标。
Objective To investigate the near-term risk stratification of peripheral white blood cells (WBC) and ST-elevation acute myocardial infarction (STEMI). Methods A total of 431 STEMI patients were enrolled in this study. Based on the WBC count at onset, 223 patients with normal WBC count (<10 × 109 / L, group Ⅰ) and 208 patients with WBC count (> 10 × 109 / L, Ⅱ) 12 within the WBC analysis, and to observe myocardial infarction, ST segment elevation lead number and clinical complications. Results In group Ⅱ, the incidence of anterior or anterior wall infarction, ST segment elevation lead and clinical concurrent pump failure, severe arrhythmia, AMI expansion, low EF index and high mortality (P <0.05 ~ P < 0.01). Conclusion The increase of WBC count in STEMI is an important indicator of the clinical prognosis.